2012 Peterbilt 386 Fuel and Emissions Systems

Below you will find various in-demand Peterbilt Fuel and Emissions Systems, components and accessories for your 2012 386. Advance Auto Parts has popular 386 parts like Exhaust Gas Recirculation (EGR) Parts, Fuel Sensors, Fuel Pumps and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other 386 model years including 2007, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 2016 and more. Select a category of 2012 Peterbilt 386 Fuel and Emissions Systems below and start saving instantly.

Popular 2012 Peterbilt 386 Fuel and Emissions Systems Categories

Fuel Pressure Sensors

Diesel Particulate Filters

Fuel and Water Separators

EGR Coolers

Water In Fuel Sensors

Fuel Injector O-Ring Kits

Fuel Tank Sending Units

Exhaust Gas Differential Pressure Sensors

Diesel Particulate Filter Gaskets

Diesel Particulate Filter Hardware Kits

Diesel Particulate Filter Clamps

Diesel Exhaust Fluid (DEF) Urea Filter

EGR Cooler Clamps

Essential Fuel and Emissions Systems for 2012 Peterbilt 386s

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$113.99

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

Product Features:

Direct replacement – this fuel pressure sensor is designed to match the fit and function of the original sensor on specified vehicle
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a 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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$80.99

The components in this diesel particulate filter (DPF) hardware kit are designed to match the function of the original parts on specified vehicles. They are engineered to be reliable replacements for components that are missing or damaged.

Product Features:

Direct replacements – the components in this diesel particulate filter (DPF) hardware kit are designed to match the function of the original parts on specified vehicles
Ideal solution – engineered to be reliable replacements for components that are missing or 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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$186.99

Direct replacements – the components in this diesel particulate filter (DPF) hardware kit are designed to match the function of the original parts on specified vehicles
Ideal solution – engineered to be reliable replacements for components that are missing or 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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$171.99

When the diesel particulate filter (DPF) is failed or damaged, service it thoroughly by installing this direct replacement gasket. Made of durable materials for reliable service, it matches the function of the factory part and ensures a tight seal to the DPF.

Product Features:

Direct replacement – this diesel particulate filter (DPF) gasket matches the original gasket required to repair the DPF on specified vehicles
Ideal solution – this gasket is a reliable replacement for an original part that is damaged, failed or missing
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
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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$26.99

Direct replacement – this diesel particulate filter (DPF) gasket matches the original gasket required to repair the DPF on specified vehicles
Ideal solution – this gasket is a reliable replacement for an original part that is damaged, failed or missing
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
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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$223.99

This fuel tank sending unit is designed to match the fit and function of the original unit on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
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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$211.99

Product Features:

Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
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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$45.99

Carquest Premium Fuel/Water Separator Filters remove water and other impurities from the fuel before it reaches your engine fuel system. These filters effectively separate water from the fuel, preventing corrosion and damage to fuel injectors, pumps and other critical engine components. By keeping the fuel clean and water-free, these filters help ensure optimal combustion, improve engine efficiency, and reduce emissions. Carquest Premium Fuel/Water Separator Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Made in USA

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$35.99

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Application engineered media which aids in stripping water in diesel fuels
Patent pending drain, metal end caps, which hold media in place
Rust resistant can, ensuring no leakage from inside
Made in USA
CAUTION: Furnished D-Ring must be installed on post for seal.
Use with 99185

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$179.99

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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$97.99

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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$117.99

This replacement water-in-fuel (WiF) sensor matches the function and performance of the original equipment sensor to prevent water damaging a diesel fuel injector. Made of quality materials, it has undergone extensive testing to ensure durability.

Product Features:

Ideal replacement – this water-in-fuel (WiF) sensor matches the original equipment sensor’s function and performance
Durable construction – this sensor is made of durable materials to withstand exposure to diesel fuel
Cost-effective solution – offers original equipment quality at competitive price
Quality tested – this part has undergone vehicle try-on and bench testing to ensure a quality fit and long service life

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$266.99

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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$141.99

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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$1990.99

This EGR cooler has been engineered to match the fit and function of the original EGR cooler on specific vehicle years, makes and models. It has undergone rigorous testing and OEM benchmarking to ensure reliability.

Product Features:

Direct replacement – this EGR cooler is made to match the fit and function of the original part on specific applications
Rigorously tested – heat transfer testing, burst testing and vehicle try-on testing ensures fit and reliability
Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
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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$31.99

Exhaust gas recirculation (EGR) cooler gaskets are designed to provide a tight, reliable seal between the EGR cooler and mating components. Check the product attributes to choose the right gasket or gasket kit for your application.

Product Features:

Direct replacement – these EGR gaskets are designed to match the fit, function and performance of the original gaskets on specified vehicle makes, models and years
Ideal solution – engineered to ensure a tight, reliable seal between the EGR cooler and mating components when the original gaskets have failed or when the EGR cooler is serviced or replaced
Durable construction – made of quality materials for reliable performance and long service life
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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$134.99

This diesel particulate filter (DPF) clamp is designed to match the fit and function of the original clamp on specified vehicles. It is engineered to help tightly secure the DPF filter when the original clamp is fatigued from normal use, damaged, or missing.

Product Features:

Direct replacement – this DPF clamp matches the fit and function of the original equipment clamp on specified vehicles
Ideal solution – engineered to help tightly secure the DPF filter when the original clamp is fatigued from normal use, damaged, or missing
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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$67.99

Direct replacement – this DPF clamp matches the fit and function of the original equipment clamp on specified vehicles
Ideal solution – engineered to help tightly secure the DPF filter when the original clamp is fatigued from normal use, damaged, or missing
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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$3929.99

HD DPF

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$2778.99

This diesel particulate filter (DPF) is designed to match the fit and function of the original filter on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this diesel particulate filter (DPF) is designed to match the fit and function of the original filter on specified vehicles
Restores functionality – reliable replacement for an original part that has failed due to clogging
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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$3040.99

Direct replacement – this diesel particulate filter (DPF) is designed to match the fit and function of the original filter on specified vehicles
Restores functionality – reliable replacement for an original part that has failed due to clogging
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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$108.99

Carquest Premium Diesel Exhaust Fluid (DEF) Filters help reduce harmful emissions and improve air quality. DEF filters remove impurities such as dirt, debris, and particulates from the diesel exhaust fluid before entering your vehicle’s emission control system. These filters allow clean fluid to break down harmful nitrogen oxide (NOx) gases produced during diesel combustion. By ensuring proper DEF flow and helping protect system components, DEF filters help diesel engines meet strict emission standards. Carquest Premium Diesel Exhaust Fluid (DEF) Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Contains Plug and Filter Removal Tool

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$65.99

This exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp on specified vehicles and is recommended for replacement during EGR cooler service. It is engineered from stainless steel for reliable service life.

Product Features:

Direct replacement – this exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp and is recommended for replacement during EGR cooler service
Ideal solution – engineered from stainless steel to withstand extreme heat and to resist corrosion
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

Upgrade your 2012 Peterbilt 386 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2012 Peterbilt 386, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Peterbilt or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your 386 functioning at its best. At Advance Auto Parts, we offer a wide selection of 19 Fuel and Emissions Systems for the 2012 Peterbilt 386, designed to meet your needs without breaking the bank. From Exhaust Gas Recirculation (EGR) Part replacements to Fuel Sensors 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 Peterbilt 386 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $31.99 to $6,734.99, with an average price of $566.58. Our 19 Fuel and Emissions Systems in stock come from 2 trusted brands, so you’re sure to find the right part for your 2012 Peterbilt 386 without overspending.

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, Fluids and Chemicals and more to make sure your 2012 Peterbilt 386 is always ready to roll. We’re committed to providing you with everything you need to keep your 386 in top shape, all in one place. Start shopping confidently below for your 2012 Peterbilt 386!

Best-Selling Exhaust Gas Recirculation (EGR) Parts for 2012 Peterbilt 386s

Enhance the driving experience in your Peterbilt with 3 quality Exhaust Gas Recirculation (EGR) Part components, starting at $31.99.

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$141.99

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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$65.99

Direct replacement – this exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp and is recommended for replacement during EGR cooler service
Ideal solution – engineered from stainless steel to withstand extreme heat and to resist corrosion
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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$31.99

Direct replacement – these EGR gaskets are designed to match the fit, function and performance of the original gaskets on specified vehicle makes, models and years
Ideal solution – engineered to ensure a tight, reliable seal between the EGR cooler and mating components when the original gaskets have failed or when the EGR cooler is serviced or replaced
Durable construction – made of quality materials for reliable performance and long service life
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

Top Picks for 2012 Peterbilt 386 Fuel Pumps

Upgrade Peterbilt 386s with top-quality Fuel Pumps parts, including 1 OEM and aftermarket selections for your 2012 model.

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$45.99

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Made in USA

In-Demand Fuel Tanks for 2012 Peterbilt 386s

Select from 2 premium Fuel Tanks parts for your 2012 Peterbilt 386, with prices ranging from $211.99 to $223.99.

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$211.99

Product Features:

Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
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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$223.99

Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
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

Most Sold 2012 Peterbilt 386 Fuel Injectors

Explore our best-selling Peterbilt parts for the 2012 386 among 1 OEM and aftermarket options starting from $179.99.

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$179.99

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

FAQs for 2012 Peterbilt 386 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2012 Peterbilt 386s?

Out of 19 Fuel and Emissions Systems that fit 2012 Peterbilt 386s, the following parts are the top sellers:

Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10556575) – $45.99
Heavy Duty Fuel Sender (10453440) – $211.99
Diesel Exhaust Fluid Filter for SCR Systems (12005494) – $108.99

What’s the price range for 2012 Peterbilt 386 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2012 Peterbilt 386 start at $31.99 and go up to $6,734.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2012 Peterbilt 386?

The average price for Fuel and Emissions Systems for the 2012 Peterbilt 386 is $566.58. 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 Peterbilt 386 model years?

Yes, we currently carry Fuel and Emissions Systems for 9 model years of Peterbilt 386s between 2006 and 2016. Fuel and Emissions Systems are bought most frequently for the following model years: 2016, 2015, 2014, 2013, 2011, 2010, 2009, 2008, and 2007.

What are the cheapest Fuel and Emissions Systems for my 2012 Peterbilt 386?

The cheapest 2012 Peterbilt 386 Fuel and Emissions Systems we carry in stock are:

EGR Cooler Gasket Kit (50211347) – $31.99
Diesel Particulate Filter Gasket Kit (12088647) – $40.99
Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10556575) – $45.99
EGR Cooler V-Band Clamp (12102351) – $65.99
DPF Exhaust Clamp (11971346) – $67.99

What types of Fuel and Emissions Systems do you sell for my 2012 Peterbilt 386?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2012 Peterbilt 386:

Can I get help with 2012 Peterbilt 386 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 Peterbilt Fuel and Emissions Systems and more.

What is your return policy for Peterbilt 386 Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Peterbilt 386 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 Peterbilt 386 Fuel and Emissions Systems

Dorman – HD Solutions – Fuel Pressure Sensor (Part No.904-7110)

Dorman – HD Solutions – Exhaust V-Band Clamp and Gasket (Part No.674-9047)

Dorman – HD Solutions – Exhaust V-Band Clamp and Gasket (Part No.674-9046)

Dorman – HD Solutions – Diesel Particulate Filter Gasket Kit (Part No.674-9053)

Dorman – HD Solutions – Diesel Particulate Filter Gasket Kit (Part No.674-9017)

Dorman – HD Solutions – Heavy Duty Fuel Sender (Part No.285-5402)

Dorman – HD Solutions – Heavy Duty Fuel Sender (Part No.285-5401)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86651XE)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.96064)

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8052)

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8053)

Dorman – HD Solutions – Water In Fuel Sensor (Part No.904-7242)

Dorman – HD Solutions – DPF Differential Pressure Sensor (Part No.904-7106)

Dorman – HD Solutions – Dpf Differential Pressure Sensor (Part No.904-7127)

Dorman – HD Solutions – Heavy Duty Exhaust Gas Recirculation Cooler Kit (Part No.904-5024)

Dorman – HD Solutions – EGR Cooler Gasket Kit (Part No.904-5155)

Dorman – HD Solutions – Diesel Particulate Filter Exhaust Clamp (Part No.674-7022)

Dorman – HD Solutions – DPF Exhaust Clamp (Part No.674-7002)

DAYTON PARTS – HD DPF (Part No.674-2092)

Dorman – HD Solutions – HD Diesel Particulate Filter – Not For Sale – CA (Part No.674-2011)

Dorman – HD Solutions – HD Diesel Particulate Filter – Not For Sale – CA (Part No.674-2022)

Carquest Premium – Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)

Dorman – HD Solutions – EGR Cooler V-Band Clamp (Part No.904-5154)

Dorman – HD Solutions – Dpf Differential Pressure Sensor (Part No.904-7127)

Dorman – HD Solutions – EGR Cooler V-Band Clamp (Part No.904-5154)

Dorman – HD Solutions – EGR Cooler Gasket Kit (Part No.904-5155)

Dorman – HD Solutions – Water In Fuel Sensor (Part No.904-7242)

Dorman – HD Solutions – Fuel Pressure Sensor (Part No.904-7110)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86651XE)

Dorman – HD Solutions – Heavy Duty Fuel Sender (Part No.285-5401)

Dorman – HD Solutions – Heavy Duty Fuel Sender (Part No.285-5402)

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8052)