2012 Ram 2500 Fuel and Emissions Systems

Below you will find various in-demand Ram Fuel and Emissions Systems, components and accessories for your 2012 2500. Advance Auto Parts has popular 2500 parts like Fuel Injectors, Gas Caps, Oxygen Sensors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other 2500 model years including 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and more. Select a category of 2012 Ram 2500 Fuel and Emissions Systems below and start saving instantly.

Popular 2012 Ram 2500 Fuel and Emissions Systems Categories

Air- Fuel Ratio Sensors

Fuel Tank Cleaning Kits

Fuel Pressure Sensors

Air Flow Meters and Mass Air

EGR Pressure Feedback Sensors

Gas Caps

Diesel Particulate Filters

Fuel Pumps

Oxygen Sensors

Vapor Canister Purge Valves

Diesel Fuel Injector Connector Tubes

Fuel Injection Pumps

Fuel Injection Pressure Sensors

EGR System Service Kits

Fuel Vapor Leak Detection Pumps

MAP-Barometric Pressures

Manifold Air Pressure Sensors

Canister Purge Solenoids

Diesel Oxidation Catalysts

Fuel Injection Fuel Rail Pressure Sensors

Fuel Injection Fuel Feed Pipes

Injection Pressure Regulating Valves

Pressure Regulators

Air Charge Temperature Sensors

Ambient Air Temperature Sensors

Fuel Injector O-Ring Kits

Fuel Injector Seal Kits

Fuel Tank Straps

Fuel Injector Gaskets

EGR Lines

Fuel Tank Lock Rings

Fuel Tank Filler Necks

EGR Tube Seals

Fuel Injector Connectors

Fuel Tank Sending Units

Evaporative Emissions System Detection Pump Filters

Mass Air Flow Sensor Connectors

Fuel Injection Manifold Pressure Sensors

Fuel Injection Fuel Rails

Exhaust Gas Differential Pressure Sensors

Fuel Pump Tank Seals

Diesel Emissions Filler Caps

EGR Valve Gaskets

EGR Gasket Sets

Ambient Air Temperature Sensor Clip

Exhaust Gas Recirculation (EGR) Pipe Gaskets

Fuel Injection Nozzle O-Ring Kits

Fuel Injector Set

Fuel Cap Tester Adapters

Exhaust Gas Recirculation (EGR) Cooler Seals

Essential Fuel and Emissions Systems for 2012 Ram 2500s

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$52.99

This evaporative emissions system leak detection pump is designed to match the fit and function of the original pump on specified applications, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this evaporative emissions system leak detection pump is designed to match the fit and function of the original pump on specified applications.
Restores functionality – reliable replacement for an original part that has clogged or failed due to emissions control system damage.
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$39.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

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$70.90

NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. NTK oxygen sensors meet or exceed original equipment specifications and are equipped with waterproof factory fitted connectors to ensure a perfect fit every time. Every NTK oxygen sensor is individually tested to ensure the highest level of quality and reliability.

Product Features:

OE-Equivalent.
Direct fit for easy installation.
Extensively Tested During Manufacture to Guarantee Quality and Reliability
Supplied With a Factory-Fitted OEM Connector for Easy Installation

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$599.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks. End of line testing using the exact OE test specifications. Guaranteed to provide OE performance and meet all emission specifications. Continuous improvement, manufactured with the latest upgrades to components and specifications. Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

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$222.48

All Bosch High Pressure Sensors provide very reliable and accurate measurements and have extremely fast response times to ensure your vehicle runs as intended.

Product Features:

Built-in circuit protection to ensure your electronics and computer systems stay unharmed
High reliability of pressure sensing proved in gasoline and diesel direct injection systems
Sturdy design, vibration resistant and thermal stability

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$1279.99

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 60507. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 2007-2010 Dodge Ram 2500, 2007-2010 Dodge Ram 3500, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Product Features:

Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
Simplifies installation with essential gaskets and hardware being included in the box.
Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.

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$39.99

The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$290.99

This DPF differential pressure sensor is designed to match the fit and function of the original part on specified makes, years and models, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this replacement exhaust gas differential pressure sensor, also known as a diesel particulate filter (DPF) sensor, is designed to match the fit and function of the original sensor on specified makes, years and models.
Restores functionality – reliable replacement for an original sensor that has broken, burned out, corroded or otherwise stopped working.
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$12.49

When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:

Helps avoid premature fuel pump failure
Lint free towel included
Low suds formulation
Removes harmful contaminants from the fuel tank

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$26.99

Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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$20.99

Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.

Product Features:

Engineered to meet or exceed all OEM specifications
Precision stamped and are treated with a rust proof finish to ensure durability and strength

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$67.99

This EGR system service kit includes the necessary gaskets, seals and O-rings to complete the filter service. The components are designed to match the fit of the original parts on specified vehicles.

Product Features:

Direct replacements – components in this exhaust gas recirculation (EGR) system service kit are designed to match the function of the original parts on specified vehicles
Ideal solution – engineered to reliably replace EGR components that are damaged or due for service
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$56.99

Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:

Direct replacement – this fuel tank strap matches the fit, function and performance of the original part.
Ideal solution – recommended for replacement when the fuel tank is serviced or replaced.
Durable construction – manufactured from quality materials for superior service and reliability
Trustworthy design – backed by 100 years of automotive aftermarket experience

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$182.99

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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$75.99

This exhaust gas recirculation (EGR) line is designed to match the fit of an original EGR line on specified vehicles. It is engineered to help restore proper air-fuel balance when a line is malfunctioning due to deposits built up in the EGR valve.

Product Features:

Direct replacement – this exhaust gas recirculation line is designed to match the fit and function of the original equipment EGR line.
Ideal solution – engineered to help restore proper air-fuel balance when a line is malfunctioning due to deposits built up in the EGR valve.
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$782.99

A1 CARDONE Remanufactured EGR Coolers offer a replacement option at a fraction of the cost of a new unit. From the factory, many EGR coolers come with a radiator/fin style core which is prone to failure. CARDONE upgrades those EGR coolers to a stainless steel tube style core. This upgrade reduces the likelihood of failure and improves EGR system efficiency. All units are built to meet or exceed OEM performance, providing a quality product both you and your vehicle can rely on.

Product Features:

All necessary installation hardware is included for hassle-free replacement
Radiator-style units are replaced with stainless steel tubing to reduce the likelihood of future clogging and excess coking
Each unit is 100% pressure tested to ensure optimal performance
Flow-testing is performed on every unit to measure the unit’s ability to properly flow NOX gases throughout the engine
Guaranteed fit and function

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$57.99

This fuel injection fuel feed pipe is designed to match the fit and function of the original pipe on specified applications, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this fuel injection fuel feed pipe is designed to match the fit and function of the original pipe on specified applications.
Restores functionality – reliable replacement for an original part that has failed due to heat or vibration.
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$39.99

This fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles.
Restores functionality – reliable replacement for an original part that has failed due to fatigue or due for replacement during fuel pump tank service.
Durable construction – recommended for replacement when the fuel pump or sensor is replaced
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$1361.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.

Product Features:

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.
End of line testing using the exact OE test specifications.
Guaranteed to provide OE performance and meet all emission specifications.
Continuous improvement, manufactured with the latest upgrades to components and specifications.

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$37.99

Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

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$4.29

Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:

Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
Quality material – this retainer is made of durable material for long-lasting service
Versatile design – this retainer is suitable for a variety of automotive uses
Excellent value – this part offers original equipment quality at a competitive cost

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$368.99

Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:

Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles.
Durable construction – made of corrosion-resistant materials to reduce future failure potential.
Regulatory compliant – built to meet emission and inspection standards
Trustworthy value – backed by team of engineers and quality control experts in the United States

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$371.99

This fuel pressure regulator is engineered to match the function of the original equipment regulator on specified vehicles. It is engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning.

Product Features:

Direct replacement – this fuel pressure regulator is designed to match the fit and function of the original equipment regulator on specified vehicle.
Ideal solution – engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning.
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$1.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$9.10

Fuel Injector O-Ring

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$3.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$1744.99

CARQUEST premium remanufactured high-pressure fuel pumps are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each pump is 100% tested on a sophisticated flow bench under multiple operating parameters to meet or exceed OE specifications.

Product Features:

Each unit is 100% tested to OE specifications
Includes pump mounted regulator

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$1091.99

100% of pumps are end of line tested using the exact OE test specifications and equipment
Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

Upgrade your 2012 Ram 2500 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2012 Ram 2500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Ram or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your 2500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 123 Fuel and Emissions Systems for the 2012 Ram 2500, designed to meet your needs without breaking the bank. From Fuel Injector replacements to Gas Caps upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2012 Ram 2500 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $1.99 to $2,457.99, with an average price of $150.10. Our 123 Fuel and Emissions Systems in stock come from 24 trusted brands, so you’re sure to find the right part for your 2012 Ram 2500 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2012 Ram 2500, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like FELPRO, NTK, Carquest Premium, and more. FELPRO Fuel and Emissions Systems start at just $1.99 and boast an impressive 5 stars average rating from customers. NTK and Carquest Premium also bring quality to the table, with Fuel and Emissions Systems available starting at $8.99, and at an average 5 stars rating. With 5,272 customer reviews and counting, our 2012 Ram 2500 Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2012 Ram 2500 is always ready to roll. We’re committed to providing you with everything you need to keep your 2500 in top shape, all in one place. Start shopping confidently below for your 2012 Ram 2500!

Best-Selling Fuel Injectors for 2012 Ram 2500s

Enhance the driving experience in your Ram with 26 quality Fuel Injector components, starting at $1.99.

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$7.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$14.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$49.99

CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:

Each unit is 100% tested to OE specifications
Includes new O-rings and seals made of premium OE quality materials
Includes application specific technical bulletin, where applicable

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$73.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
Stainless steel calibration slide and spring assembly prevents corrosion within the fuel control body leading to an extended service life
Precision wound and trimmed solenoid windings allow the computer to command efficient delivery of fuel
High-temp Viton O-rings enable prolonged sealing of injector under extreme heat conditions
Fiber optic yttrium aluminum garnet “YAG” laser welding and 100 million cycle testing ensure quality in every box
With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
BWD is a global manufacturer of original equipment and aftermarket fuel injection products, complete quality control is maintained through the manufacturing process from componentry to finished product

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$32.49

Premium quality materials for longer service life
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$57.99

Direct replacement – this fuel injection fuel feed pipe is designed to match the fit and function of the original pipe on specified applications.
Restores functionality – reliable replacement for an original part that has failed due to heat or vibration.
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$139.99

Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:

CARQUEST MAF use all new high-quality components at the highest quality standards.
Manufactured with new and advanced technology to perform, fit and function at OE specifications.
All new product that is tested with OEM equipment to OEM standards
Outperforms competition when tested in extreme environmental conditions

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$9.10

Fuel Injector O-Ring

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$8.99

Complete injector seal kit includes all necessary components to properly reseal injector when installed. All parts in kit are manufactured using premium OE quality materials.

Product Features:

Premium OE quality materials
Includes injector body o-ring
Includes copper combustion seal
Fuel inlet tube o-ring

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$8.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
High-quality materials withstand extreme conditions
Undergoes extensive testing to ensure reliability
As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process

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$1.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$188.99

Continental mass air flow sensors, or MAFS, are the genuine OEM part. Continental sensors are made and manufactured to the highest quality and original equipment specifications. They are identical in fit, form, and function and provide the genuine quality of OE components supplied to auto manufacturers worldwide. MAFS are essential in optimizing fuel economy and ensure your vehicle is running at peak performance and efficiency.

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$148.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.

Product Features:

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.
End of line testing using the exact OE test specifications.
Guaranteed to provide OE performance and meet all emission specifications.
Continuous improvement, remanufactured with the latest upgrades to components and specifications.

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$6.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$432.99

CARQUEST premium remanufactured injectors are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each injector is 100% tested on a sophisticated automated flow bench under multiple operating parameters to meet or exceed OE specifications.

Product Features:

Includes 100% new nozzle to ensure precise fuel delivery under all operating parameters
Includes copper combustion seal
Includes fuel inlet tube O-ring
Includes application specific technical bulletin which highlights critical aspects of the job and offers technical tips for proper installation

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$371.99

Direct replacement – this fuel pressure regulator is designed to match the fit and function of the original equipment regulator on specified vehicle.
Ideal solution – engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning.
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$152.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.

Product Features:

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.
End of line testing using the exact OE test specifications.
Guaranteed to provide OE performance and meet all emission specifications.
Continuous improvement, manufactured with the latest upgrades to components and specifications.

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$40.49

The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:

Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles.
Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$481.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.End of line testing using the exact OE test specifications.Guaranteed to provide OE performance and meet all emission specifications.Continuous improvement, manufactured with the latest upgrades to components and specifications. Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, And Asian vehicles.

Product Features:

100% of injectors are end of line tested using the exact OE test specifications and equipment
Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

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$465.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.End of line testing using the exact OE test specifications.Guaranteed to provide OE performance and meet all emission specifications.Continuous improvement, manufactured with the latest upgrades to components and specifications. Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, And Asian vehicles.

Product Features:

100% of injectors are end of line tested using the exact OE test specifications and equipment
Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

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$321.99

Encore Automotive Genuine OE Air Flow Meter measures the precise amount of air and communicates with the Engine Control Unit (ECU) for the ideal amount of fuel injection. Encore Automotive is dedicated to bringing the latest original equipment technologies to the Aftermarket to provide the highest overall value.

Product Features:

Genuine OE Part
Highly accurate sensing elements that respond quickly to airflow changes for an efficient air/fuel mixture
No moving parts

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$319.99

The Carquest line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function.

Product Features:

Includes eight premium fuel injectors
Each unit is 100% tested to OE specifications
Includes new o-rings and seals made of premium OE quality materials
Includes application specific technical bulletin, where applicable

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$59.99

VDO original equipment fuel injectors are identical fit, form, and function and provide the exact quality of OE components supplied to auto manufacturers worldwide. Professional technicians and DIYers alike want quality products for ease of installation, fit, and performance. VDO fuel injectors are designed for long service life and simplified installation. They are built in OE ISO TS certified facilities and manufactured to the highest quality standards. They offer dependable performance and robust design by being original equipment while still maintaining a competitive price.

Product Features:

The exact OEM part
Exact form fit and function
Simplified plug-and-play Installation
Durable long-lasting design
Made in the USA
Made in ISO certified facilites

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$37.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$10.99

MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
MAHLE gaskets is the leader in Domestic, Asian and European applications
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$8.79

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

Most Popular 2012 Ram 2500 Gas Caps

Customize your Ram with 10 Gas Caps products like Gas Caps, all priced under $25.99.

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$14.29

None

Product Features:

Protects your fuel from theft and vandalism
Manufactured from durable, long-life materials
Independently tested for emission control
Passes all state and federal emissions tests
Reduces air pollution with proper sealing and venting

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$17.79

Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$17.79

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$24.99

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$24.99

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$25.99

Come pre-assembled for quick and easy installation.
Several fastener options to work with any fuel cap compartment configuration
Fits vehicles orginally equipped with tether
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

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$12.99

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$23.99

None

Product Features:

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$17.49

Protects your fuel from theft and vandalism
Manufactured from durable, long-life materials
Independently tested for emission control
Passes all state and federal emissions tests
Reduces air pollution with proper sealing and venting

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$14.29

Come pre-assembled for quick and easy installation.
Several fastener options to work with any fuel cap compartment configuration
Fits vehicles orginally equipped with tether
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

Top Picks for 2012 Ram 2500 Oxygen Sensors

Upgrade Ram 2500s with top-quality Oxygen Sensors parts, including 10 OEM and aftermarket selections for your 2012 model.

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$79.99

NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

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$37.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

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$56.99

OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

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$79.99

Advanced Wideband sensing element for exact air/fuel measurement
Robust sensor design increases sensor longevity
Seared protection tube due to 100% functional quality test
True Direct-fit
Pre-coated threads with anti-seize compound right out of the box

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$51.97

The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:

OE-Equivalent.
Direct fit for easy installation.
OE Style connectors and wire lengths.
Base ceramic probe of Zirconium and Yttrium.
Patented Platinum Power Grid.

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$75.99

DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit, the first time.

Product Features:

Specifically designed to meet the increasing demands of today’s engines
100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$84.99

OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

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$46.99

Specifically designed to meet the increasing demands of today’s engines
100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$151.66

Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.

Product Features:

SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.

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$99.99

Specifically designed to meet the increasing demands of today’s engines
100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

In-Demand Air Flow Sensors for 2012 Ram 2500s

Select from 16 premium Air Flow Sensors parts for your 2012 Ram 2500, with prices ranging from $4.29 to $129.99.

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$4.29

Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:

Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
Quality material – this retainer is made of durable material for long-lasting service
Versatile design – this retainer is suitable for a variety of automotive uses
Excellent value – this part offers original equipment quality at a competitive cost

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$39.99

CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:

CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.

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$42.99

Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

NTK’s Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.

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$26.99

NTK’s Ambient Air Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper reading of outside air temperature.
The Ambient Air Temperature Sensor measures outside air temperature and is used by the heating and cooling control system, along with other vehicle cabin sensors, to control temperature and blower speed.

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$45.99

NTK’s Air Charge Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring of air temperature entering the engine.
The Air Charge Temperature Sensor is used by the Engine Control Unit (ECU) to measure air density for fuel mixture control, which allows it to make continuous adjustments to the engine’s air / fuel mixture for maximum fuel efficiency.

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$24.99

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$16.79

ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

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$108.85

SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.

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$129.99

CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:

CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.

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$52.00

Air Temp. Sensor

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$72.14

SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.

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$115.99

DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance.; Each component is precision-built for exact replacement+ and a first time fit.; DENSO gives you the right part and the right fit+ the first time.

Product Features:

Specifically designed to meet the increasing demands of today’s engines
100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$54.23

Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet and exceed all original equipment specification and test requirements.

Product Features:

Improved Engine Response and Performance
Lower Emissions
Improved Fuel Economy
Longer Sensor Life
Meets OEM Specifications Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install

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$39.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$28.99

Delphi MAP sensors use the latest OE technology; Internally protected against moisture intrusion and vibration; Manufactured to meet or exceed OE requirements for 100,000 miles.

Product Features:

Insulated with silicone gel over the integrated circuit chip to protect against shock and vibration for increased durability
Internally protected against moisture intrusion and vibration
Long lasting and durable
Designed and engineered with Delphi expertise

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$28.18

Air Temp. Sensor

Most Sold 2012 Ram 2500 Fuel Pumps

Explore our best-selling Ram parts for the 2012 2500 among 13 OEM and aftermarket options starting from $36.99.

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$238.99

Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:

Meets or exceeds OE specifications for fit, form and function
100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
OE upgraded turbine impellers greatly reduce fuel pulsation
All fuel pumps are 100% performance tested
Includes installation gaskets or seals where applicable

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$299.99

Continental fuel modules are a genuine OEM part. They are identical in fit, form, and function and provide the genuine quality of OE components supplied to auto manufacturers worldwide. Professional technicians and DIYers alike want quality products for ease of installation, fit, and performance. Continental fuel modules are designed for long service life and simplified installation. They are built in OE ISO TS certified facilities and manufactured to the highest quality standards. They offer dependable performance and robust design by being a genuine OEM part while still maintaining a competitive price.

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$36.99

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$386.99

100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

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$321.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

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$1744.99

Each unit is 100% tested to OE specifications
Includes pump mounted regulator

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$1301.14

Bosch High Pressure Pumps come standard on the majority of diesel vehicles, providing superior performance and durability.

Product Features:

Built with Bosch OE components
End of line testing using the exact OE test specifications
Guaranteed to provide OE performance and meet all emission specifications

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$1214.99

The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe’s POWER DFS780 Diesel Fuel System, with its patent-pending design, is capable of removing power-robbing debris such as air, water and other contaminants. The DFS780 also boosts fuel pressure ensuring constant availability for the high-pressure pump, improving throttle response and horsepower at all RPMs.

Product Features:

Clear High Impact Polycarbonate Sight Glass
Helical Spur Gears Runs Quieter That Straight Cut Gears
Marine Grade Motor Protects Against Dust And Water
Contoured CNC Manifold Enhances Flow

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$1091.99

100% of pumps are end of line tested using the exact OE test specifications and equipment
Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

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$841.99

100% of pumps are end of line tested using the exact OE test specifications and equipment
Remanufactured pumps include all OE updates, so they can often be superior to the OE pumps that they replace
Manufactured using all OE tools and processes
Remanufactured Pumps receive new OE parts for all wearable or critical components

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$729.00

FUEL PUMP ASSEMBLY

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$679.99

This diesel fuel injection pump is a direct replacement for the original equipment injection pump and has been remanufactured to stringent industry standards for optimum performance and efficiency.

Product Features:

Direct replacement – this diesel fuel injection pump matches the fit and functionality of the original equipment injection pump
Durable construction – this injection pump is remanufactured from quality materials for durability
Cost-effective dealer alternative – offers original manufacturer quality at lower cost than a dealer replacement
Quality tested – this diesel fuel injection pump has been tested for quality and fit for this vehicle application

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$39.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

Top-Rated Fuel and Emissions Systems Brands For Your 2012 Ram 2500

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2012 Ram 2500s. Below you’ll find some of our best rated Fuel and Emissions Systems from FELPRO, NTK, and Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 2012 2500 start at just $1.99 and are rated as high as 5 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular FELPRO 2012 Ram 2500 Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2012 Ram 2500, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Fuel and Emissions Systems, specifically designed for the 2012 Ram 2500. With over 16 FELPRO brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $1.99, with an average price of just $13.00. Plus, with over 124 customer reviews and an average rating of 5 stars, you can trust that our FELPRO Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

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$3.99

This product is not rated

EGR/EXHAUST AIR SUPPLY GASKET

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$1.99

This product is not rated

Fuel Injection Throttle Body Mounting Gasket

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$4.79

This product is not rated

Exhaust Gas Recirculation (EGR) Valve Gasket

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Popular NTK 2012 Ram 2500 Fuel and Emissions Systems

NTK auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2012 Ram 2500 owner should feel confident when installing genuine NTK parts in their vehicle. To ensure the best fit and performance for your 2012 2500, Advance Auto Parts carries a full inventory of 6 NTK Fuel and Emissions Systems. Plus you will be keeping your Ram in peak condition while saving money because prices on these NTK Fuel and Emissions Systems range from $26.99 to $84.99, plus, with more than 14 customer reviews and an impressive 5 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

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$45.99

This product is not rated

Air Charge Temperature Sensor

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$26.99

This product is not rated

Ambient Air Temperature Sensor

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$42.99

This product is not rated

Manifold Absolute Pressure Sensor

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FAQs for 2012 Ram 2500 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2012 Ram 2500s?

Out of 123 Fuel and Emissions Systems that fit 2012 Ram 2500s, the following parts are the top sellers:

Fuel Injector O-Ring Kit (3504360) – $7.49
Tethered Fuel Cap (12102515) – $25.99
Switching Oxygen Sensor: 4 Wire, 10" Long, Heated, Direct Fit (11000230) – $79.99

What’s the price range for 2012 Ram 2500 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2012 Ram 2500 start at $1.99 and go up to $2,457.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2012 Ram 2500?

The average price for Fuel and Emissions Systems for the 2012 Ram 2500 is $150.10. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other Ram 2500 model years?

Yes, we currently carry Fuel and Emissions Systems for 13 model years of Ram 2500s between 2011 and 2024. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Fuel and Emissions Systems for my 2012 Ram 2500?

The cheapest 2012 Ram 2500 Fuel and Emissions Systems we carry in stock are:

EGR/EXHAUST AIR SUPPLY GASKET (10109334) – $1.99
Fuel Injection Throttle Body Mounting Gasket (10067895) – $1.99
EGR/EXHAUST AIR SUPPLY GASKET (11138836) – $1.99
Exhaust Gas Recirculation Valve Gasket (10599264) – $3.49
EGR/EXHAUST AIR SUPPLY GASKET (20688251) – $3.49

What are the top-rated Fuel and Emissions Systems that fit the 2012 Ram 2500?

Out of 5,272 reviews by customers, our 2012 Ram 2500 Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2012 Ram 2500 and their top-rated products:

Fuel Injector Connectors
- Fuel Inlet Tube (11477859) – $41.99

What types of Fuel and Emissions Systems do you sell for my 2012 Ram 2500?

As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2012 Ram 2500:

Can I get help with 2012 Ram 2500 Fuel and Emissions System orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Ram Fuel and Emissions Systems and more.

What is your return policy for Ram 2500 Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Ram 2500 Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2012 Ram 2500 Fuel and Emissions Systems

Dorman – Evaporative System Integrity Module (Part No.310-218)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

NTK – NTK Oxygen Sensor (Part No.C5010379903NTK)

Bosch – Fuel Injector: New (Part No.0986435621)

Bosch – Fuel Pressure Sensor (Part No.C30011333901BOS)

MagnaFlow – OEM Grade Federal / EPA Compliant Diesel Oxidation Catalyst (Part No.60507)

Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1031)

Dorman – Differential Pressure Sensor (Part No.904-475)

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1032)

Carquest Premium – Fuel Tank Lock Ring LO1582928 (Part No.LO1582928)

Dorman – Exhaust Gas Recirculation Service Kit Without Crank Case Ventilation Filter (Part No.904-482)

Dorman – Fuel Tank Strap Set (Part No.578-305)

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGE1484)

Dorman – Exhaust Gas Recirculation Tube (Part No.598-166)

Cardone – Remanufactured EGR Cooler (Part No.4E-3001)

Dorman – Injector Connector Tube (Part No.904-437)

Dorman – Fuel Tank O-Ring (Part No.911-245)

Bosch – Fuel Rail (Part No.0445226044)

Bosch – Wideband Oxygen Sensor: 4 Wire, 17.72" Long, Heated, Exact Fit (Part No.15510)

Dorman – Hyundai Molding Retainer (Part No.963-571D)

Dorman – Fuel Filler Neck Tube (Part No.577-347)

Dorman – Fuel Control Actuator (Part No.904-581)

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61586)

Mahle – Fuel Injector O-Ring (Part No.C10132590067MAH)

Felpro – EGR/EXHAUST AIR SUPPLY GASKET (Part No.71221)

Carquest Premium – Remanufactured Diesel High Pressure Fuel Pump (Part No.AM93053)

Bosch – Common Rail Pump (Part No.0445020146)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61372)

Carquest Premium – Reman Multi Port Fuel Injector (Part No.A212-1631)

Carquest – Fuel Injector (Part No.67314)

Carquest Premium – ABS Wheel Speed Sensor Connector (Part No.PTA1071)

Dorman – Injector Connector Tube (Part No.904-437)

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6259)

Mahle – Fuel Injector O-Ring (Part No.C10132590067MAH)

Carquest Premium – Fuel Injector Seal Kit (Part No.AC20532)

Carquest – Fuel Injector Seal Kit (Part No.274838)

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61586)

Continental – Mass Air Flow Sensor (Part No.5WK97506Z)

Bosch – Hydraulic Pressure Relief Valve (Part No.1110010013)

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61740)

Carquest Premium – Remanufactured Diesel Fuel Injector (Part No.AD25041)

Dorman – Fuel Control Actuator (Part No.904-581)

Bosch – Metering Unit (Part No.0928400642)

Dorman – Fuel Injector O-Ring Kit (Part No.904-315)

Bosch – Diesel Fuel Injector: Remanufactured (Part No.0445120193)

Bosch – Fuel Injector (Part No.0986435518)

Encore Automotive – Air Flow Meter (Part No.AFM-D20002)

Carquest Premium – Reman Multi Port Fuel Injector – 8 Pack (Part No.A212-1631-8PK)

Continental – Multi-port Fuel Injector (Part No.FI11369S)

Felpro – FUEL INJECTOR O-RING SET (Part No.ES 73188)

MAHLE Original – Injector Nozzel O-Ring (Part No.GS33614)

Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17508)

Carquest Premium – Fuel Cap: 10838, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10838)

Carquest Premium – Fuel Cap (Part No.10842)

Carquest Premium – Locking Fuel Cap: 10508, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10508)

Carquest Premium – Locking Fuel Cap: 10512, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10512)

Motorad – Tethered Fuel Cap (Part No.MGC837T)

Carquest Premium – Fuel Cap (Part No.10838D)

Carquest Premium – Locking Fuel Cap (Part No.10508D)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17512)

Motorad – Tethered Fuel Cap (Part No.MGC537T)

NTK – Switching Oxygen Sensor: 4 Wire, 10" Long, Heated, Direct Fit (Part No.23162)

Bosch – Wideband Oxygen Sensor: 4 Wire, 17.72" Long, Heated, Exact Fit (Part No.15510)

NTK – Switching Oxygen Sensor: 4 Wire, 14" Long, Heated, Direct Fit (Part No.23161)

Bosch – Wideband Oxygen Sensor: 5 Wire, 13.07" Long, Heated, Exact Fit (Part No.17212)

Bosch – Bosch Oxygen Sensor (Part No.C5010149908BOS)

DENSO – Oxygen Sensor: 4 Wire, 10.08" Long, Heated, Exact Fit (Part No.234-4545)

NTK – Switching Oxygen Sensor: 4 Wire, 18" Long, Heated, Direct Fit (Part No.23165)

DENSO – Oxygen Sensor: 4 Wire, 14.17" Long, Heated, Exact Fit (Part No.234-4547)

DENSO – First Time Fit Oxygen Sensor (Part No.C5010344453ND)

DENSO – Oxygen Sensor: 4 Wire, 18.11" Long, Heated, Exact Fit (Part No.234-4579)

Dorman – Hyundai Molding Retainer (Part No.963-571D)

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1018)

NTK – Manifold Absolute Pressure Sensor (Part No.MA0182)

NTK – Ambient Air Temperature Sensor (Part No.AN0009)

NTK – Air Charge Temperature Sensor (Part No.AJ0012)