2012 Kia Optima Fuel and Emissions Systems
Find Your Specific 2012 Kia Optima Fuel and Emissions Systems
Below you will find various in-demand Kia Fuel and Emissions Systems, components and accessories for your 2012 Optima. Advance Auto Parts has popular Optima parts like Oxygen Sensors, Fuel Injectors, Fuel Pumps and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Optima model years including
2011,
2013,
2014,
2015,
2016,
2017,
2018,
2019,
2020 and more. Select a category of 2012 Kia Optima Fuel and Emissions Systems below and start saving instantly.
Popular 2012 Kia Optima Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 2012 Kia Optimas
Carquest Premium – Carquest New Map Sensor, ECE1023 (Part No.ECE1023)
from
$99.99
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.
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Carquest Premium – Carquest Remanufactured GDI Fuel Injector, A512-1074 (Part No.A512-1074)
from
$129.99
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.
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Dorman – Dorman Fuel Level Sensor / Fuel Sender, 911-050 (Part No.911-050)
from
$91.99
This fuel level sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.
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Delphi – Delphi Fuel Tank Cleaning Kit, FC01 (Part No.FC01)
from
$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.
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Carquest Premium – Carquest Premium GDI Seal Tool Kit Remanufactured, ATK-001 (Part No.ATK-001)
from
$129.99
This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.
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Carquest Premium – Carquest Vapor Canister Purge Solenoid: Includes Mounting Hardware, CPC1169 (Part No.CPC1169)
from
$81.99
Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.
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Carquest – Carquest Fuel Injector Seal Kit, 274838 (Part No.274838)
from
$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.
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Carquest Premium – Carquest Electric Fuel Pump, E2496080 (Part No.E2496080)
from
$105.99
Carquest Premium electric fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.
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Dorman – Dorman Fuel Tank Vent Valve, 911-821 (Part No.911-821)
from
$237.99
A malfunctioning vapor canister vent solenoid can cause the engine light to come on. This vapor canister vent solenoid is engineered of quality materials for durability to ensure proper operation of the vehicle’s evaporative emissions system.
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Carquest Premium – Carquest Fuel Pump Camshaft Follower, CSA5316 (Part No.CSA5316)
from
$114.99
The Fuel Pump Camshaft Follower rides on a camshaft lobe while the other side of the device drives the high pressure fuel pump actuator. This device is typically replaced whenever the high pressure fuel pump is replaced.
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Carquest Premium – Carquest GDI Fuel Feed Line Remanufactured, A400-39 (Part No.A400-39)
from
$82.99
CARQUEST premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure. Line requires replacement any time it is removed during servicing of fuel system.
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Carquest Premium – Carquest Vapor Canister Vent Solenoid, EGC1058 (Part No.EGC1058)
from
$55.99
Ensure that your vehicle’s emission control system performs at its best with Carquest premium Vapor Canister Vent Valves. Manufactured for long-lasting performance, these Vent Valves provide reliable operation and help maintain your vehicle’s compliance with environmental regulations. For cleaner emissions, optimal vehicle efficiency and perfomance, trust Carquest Vapor Canister Vent Valves.
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Delphi – Delphi Direct Injection High Pressure Fuel Pump: Without Gasket/Seal or Wiring Harness, HM10054 (Part No.HM10054)
from
$1017.00
Demand for Gasoline Direct injection (GDi) technology globally is expected to grow in excess of 10 percent annually through 2026. Delphi uses the latest generation of OE technology for our GDi, and our GDi service program includes the OE parts, tools and know-how to service this fast-growing, high-performance technology. Delphi is a leading Tier 1 supplier of GDi systems to global OEMs. We offer multiple GDi specific training classes, a technician support hotline staffed by ASE certified technicians, and a full line of GDi high-pressure fuel pumps. Learn more about our training programs and tech hotline at 1-877-463-3574.
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Carquest Premium – Carquest Fuel Tank Pressure Sensor, ECA2922 (Part No.ECA2922)
from
$104.99
Pressure sensors are used within several operating systems on the vehicle. Subjects in this category measure the pressure of both liquid and air to include air in a positive pressure and negative pressure range. Pressure sensors report out as the result of an electrical device called a strain gauge which produces an analog or digital signal output dependent on the needs of the circuit. Pressures may be very low such as barometric pressure, or extremely high such as in a high-pressure fuel injection system.
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NTK – "NTK Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 17.5"" Long, Heated, Direct Fit, 24370" (Part No.24370)
from
$146.99
NGK 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. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
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Carquest Premium – Carquest New Map Sensor, ECA2509 (Part No.ECA2509)
from
$77.99
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.
See More
Felpro – Felpro Fuel Injector O-Ring Kit, ES 70599 (Part No.ES 70599)
from
$8.49
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Carquest Premium – Carquest Multi-Use Connector, PTA1482 (Part No.PTA1482)
from
$37.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Carquest Premium – Carquest Vapor Canister: Includes Mounting Hardware, CPN1139 (Part No.CPN1139)
from
$624.99
CARQUEST advanced Vapor Canisters are a crucial component for reducing emissions and enhancing vehicle performance. Designed to capture and store fuel vapors from the fuel tank to ensure compliance with environmental regulations and improve overall fuel efficiency. Choose CARQUEST Vapor Canisters for enhanced performance and a greener future.
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DENSO – "DENSO Wideband Oxygen Sensor: Upstream, 5 Wire, 17.80"" Long, Heated, Exact Fit, 234-5029" (Part No.234-5029)
from
$249.99
DENSO Air/Fuel Ratio 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. DENSO gives you the right part and the right fit at the first time.
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Carquest Premium – Carquest Fuel Pressure Sensor, FPA1054 (Part No.FPA1054)
from
$254.99
Pressure sensors are used within several operating systems on the vehicle. Subjects in this category measure the pressure of both liquid and air to include air in a positive pressure and negative pressure range. Pressure sensors report out as the result of an electrical device called a strain gauge which produces an analog or digital signal output dependent on the needs of the circuit. Pressures may be very low such as barometric pressure, or extremely high such as in a high-pressure fuel injection system.
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Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10825 (Part No.10825)
from
$14.99
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.
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Felpro – Felpro Fuel Injection Plenum Gasket Set, MS 96864 (Part No.MS 96864)
from
$15.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Dorman – Dorman Evaporative Emissions Purge Solenoid Valve, 911-800 (Part No.911-800)
from
$51.99
Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge valve. It is critical to the evaporative emissions system and fulfills government requirements.
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Carquest Premium – Carquest Fuel Injector Connector, PTA1064 (Part No.PTA1064)
from
$4.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Dorman – Dorman Vacuum Switching Valve, 911-797 (Part No.911-797)
from
$91.99
This replacement vacuum switching valve matches the fit and function of the original part on specified vehicles. It uses a factory-style connector for plug-and-play installation.
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Carquest Premium – Carquest Ambient Air Temperature Sensor, WTA1336 (Part No.WTA1336)
from
$59.99
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.
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Upgrade your 2012 Kia Optima with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2012 Kia Optima, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Kia or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Optima functioning at its best. At Advance Auto Parts, we offer a wide selection of 67 Fuel and Emissions Systems for the 2012 Kia Optima, designed to meet your needs without breaking the bank.
From
Oxygen Sensor
replacements to
Fuel Injectors
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 Kia Optima at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $2.65 to $896.99, with
an average price of $126.26.
Our 67 Fuel and Emissions Systems in stock come from 14 trusted brands, so you’re sure to find the right part for your 2012 Kia Optima 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 Kia Optima, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names
like NTK, Carquest Premium, Delphi, and more.
NTK Fuel and Emissions Systems
start at just $119.99 and boast an impressive 4.6 stars average rating from customers.
Carquest Premium and Delphi also bring quality to the table, with Fuel and Emissions Systems available starting at $14.29, and at an average 4.5 stars rating.
With 2,124 customer reviews and counting, our 2012 Kia Optima 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 Kia Optima is always ready to roll. We’re committed to providing you with everything you need to keep your Optima in top shape, all in one place.
Start shopping confidently below for your 2012 Kia Optima!
Best-Selling Oxygen Sensors for 2012 Kia Optimas
Enhance the driving experience in your Kia with 12 quality Oxygen Sensor components, starting at $104.99.
NTK – "NTK Switching Oxygen Sensor: 4 Wire, 19.75"" Long, Heated, Direct Fit, 25199" (Part No.25199)
from
$119.99
NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. NTK is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive market support and OE application technology.
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NTK – "NTK Switching Oxygen Sensor: 4 Wire, 17.5"" Long, Heated, Direct Fit, 25201" (Part No.25201)
from
$149.99
NGK 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, 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.
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MANDO – MANDO New OE Oxygen Sensor, Direct Replacement, 18A1414 (Part No.18A1414)
from
$169.99
An Oxygen (O2) Sensor helps calculate/monitor the air & fuel mixture for combustion. Most modern vehicles have more than just one O2 sensor, and should be replaced all together. A faulty O2 sensor can easily cause a check engine light (trouble code), rough/erratic engine idle, poor fuel economy, and even engine start up issues. HL Mando O2 sensors are OE replacements with factory precision specs. Choose HL Mando O2 Sensors to re-maximize your Hyundai or Kia’s original engine efficiency and performance – We Are OE!
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Bosch – "Bosch Oxygen Sensor: 4 Wire, 23.62"" Long, Heated, Exact Fit, 18043" (Part No.18043)
from
$127.99
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.
See More
NTK – "NTK Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 17.5"" Long, Heated, Direct Fit, 24370" (Part No.24370)
from
$146.99
NGK 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. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
See More
MANDO – MANDO New Oxygen Sensor Original Equipment 392102G200, 18A1478 (Part No.18A1478)
from
$117.99
An Oxygen (O2) Sensor helps calculate/monitor the air & fuel mixture for combustion. Most modern vehicles have more than just one O2 sensor, and should be replaced all together. A faulty O2 sensor can easily cause a check engine light (trouble code), rough/erratic engine idle, poor fuel economy, and even engine start up issues. HL Mando O2 sensors are OE replacements with factory precision specs. Choose HL Mando O2 Sensors to re-maximize your Hyundai or Kia’s original engine efficiency and performance – We Are OE!
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DENSO – "DENSO Oxygen Sensor: Downstream, 4 Wire, 23.43"" Long, Heated, Exact Fit, 234-4238" (Part No.234-4238)
from
$161.99
DENSO Oxygen 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; 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.
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Bosch – "Bosch Oxygen Sensor: 4 Wire, 20.67"" Long, Heated, Exact Fit, 18046" (Part No.18046)
from
$179.99
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.
See More
MANDO – MANDO New Oxygen Sensor Original Equipment 392102G550, 18A1462 (Part No.18A1462)
from
$104.99
An Oxygen (O2) Sensor helps calculate/monitor the air & fuel mixture for combustion. Most modern vehicles have more than just one O2 sensor, and should be replaced all together. A faulty O2 sensor can easily cause a check engine light (trouble code), rough/erratic engine idle, poor fuel economy, and even engine start up issues. HL Mando O2 sensors are OE replacements with factory precision specs. Choose HL Mando O2 Sensors to re-maximize your Hyundai or Kia’s original engine efficiency and performance – We Are OE!
See More
Bosch – Bosch OE MFR of Oxygen Sensors, 18089 (Part No.18089)
from
$229.99
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.
See More
DENSO – "DENSO Oxygen Sensor: Downstream, 4 Wire, 20.08"" Long, Heated, Exact Fit, 234-4448" (Part No.234-4448)
from
$149.99
DENSO Oxygen 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; 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.
See More
NTK – "NTK Switching Oxygen Sensor: 4 Wire, 20.5"" Long, Heated, Direct Fit, 25257" (Part No.25257)
from
$106.99
NTK is the sensor specialist for import and domestic applications. Established under the NGK product family, NTK oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramics company at the heart of our concerns, NTK uses cutting-edge technology to control the ceramics used in our oxygen sensors, from raw material to finished product. NTK is the world’s largest supplier and manufacturer of original oxygen sensors. Combining expertise and innovation, NTK oxygen sensors offer superior fit, form and function. NTK oxygen sensors are extensively tested during manufacturing to ensure quality and reliability meet or exceed OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive market support and OE application technology.
See More
Most Popular 2012 Kia Optima Fuel Injectors
Customize your Kia with 14 Fuel Injectors products
like Fuel Injector Gaskets,
Fuel Injectors, and
Fuel Injector O-Ring Kits, all
priced under $129.99.
Felpro – Felpro Fuel Injector O-Ring Kit, ES 70599 (Part No.ES 70599)
from
$8.49
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Carquest – Carquest Fuel Injector Connector, PT2318 (Part No.PT2318)
from
$4.29
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.
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ACDelco – ACDelco Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings, 217-3365 (Part No.217-3365)
from
$9.99
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.
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Felpro – Felpro Fuel Injection Throttle Body Mounting Gasket, 61504 (Part No.61504)
from
$6.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
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Carquest – Carquest Fuel Injector Seal Kit, 274838 (Part No.274838)
from
$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.
See More
Carquest Premium – Carquest Remanufactured GDI Fuel Injector, A512-1064 (Part No.A512-1064)
from
$89.99
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.
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Carquest Premium – Carquest Remanufactured Multi Port Fuel Injector, A212-3664 (Part No.A212-3664)
from
$59.99
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.
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Carquest Premium – Carquest Remanufactured GDI Fuel Injector, A512-1074 (Part No.A512-1074)
from
$129.99
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.
See More
Carquest Premium – Carquest Premium GDI Seal Tool Kit Remanufactured, ATK-001 (Part No.ATK-001)
from
$129.99
This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.
See More
Carquest Premium – Carquest Fuel Injector Seal Kit Remanufactured, AS062 (Part No.AS062)
from
$12.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Includes hard to find or previously dealer-only components. Use CARQUEST tool kit ATK-001 or equivalent for proper installation of combustion seal.
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Victor Reinz – Victor Reinz Fuel Injector O-Ring Kit, 18-10027-01 (Part No.18-10027-01)
from
$11.49
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.
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Felpro – Felpro Fuel Injection Throttle Body Mounting Gasket, 61880 (Part No.61880)
from
$9.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Victor Reinz – Victor Reinz Fuel Injection Throttle Body Mounting Gasket, 71-15043-00 (Part No.71-15043-00)
from
$7.99
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.
See More
Carquest Premium – Carquest Fuel Injector Connector, PTA1064 (Part No.PTA1064)
from
$4.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
See More
Top Picks for 2012 Kia Optima Fuel Pumps
Upgrade Kia Optimas with top-quality Fuel Pumps parts, including 9 OEM and aftermarket selections for your 2012 model.
Delphi – Delphi Electric Fuel Pump: With Hose Clamps, Hose Piece, Isolator, Pall Nut, FE0351 (Part No.FE0351)
from
$93.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.
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Encore Automotive – Encore Automotive Direct Injection High Pressure Fuel Pump, Genuine OE, HPF-K10001 (Part No.HPF-K10001)
from
$772.99
Encore Automotive Genuine OE High Pressure Fuel Pump pressurizes the fuel and adjusts injection per your vehicle’s specification to different engine loads. Encore Automotive partners with the world€™s leading automakers to bring the latest Genuine OE and high-quality aftermarket components to market. You€™re willing to do the work to keep your car or truck going €“ so, it only makes sense to go with Encore Automotive parts because when it comes to quality, fit and convenience, Encore has you covered.
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Motorcraft – Motorcraft Original Equipment Oil Filter: Ideal for Any Type Oil, Built To Meet Ford’s Standards, FL-810-A (Part No.FL-810-A)
from
$14.99
The Motorcraft Original Equipment Oil Filter is designed, engineered and recommended by Ford Motor Company. This filter helps protect against engine wear by screening out abrasives, such as carbon, sand, dust and bits of metal before they can get into your oil.
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Delphi – Delphi Direct Injection High Pressure Fuel Pump: Without Gasket/Seal or Wiring Harness, HM10016 (Part No.HM10016)
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$896.99
Demand for Gasoline Direct injection (GDi) technology globally is expected to grow in excess of 10 percent annually through 2026. Delphi uses the latest generation of OE technology for our GDi, and our GDi service program includes the OE parts, tools and know-how to service this fast-growing, high-performance technology. Delphi is a leading Tier 1 supplier of GDi systems to global OEMs. We offer multiple GDi specific training classes, a technician support hotline staffed by ASE certified technicians, and a full line of GDi high-pressure fuel pumps. Learn more about our training programs and tech hotline at 1-877-463-3574.
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Carquest Premium – Carquest Fuel Pump, E4521139 (Part No.E4521139)
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$153.99
Carquest Premium electric fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.
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Carquest Premium – Carquest Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer, M2528788 (Part No.M2528788)
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$639.99
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.
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Carquest Premium – Carquest Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer, M2528816 (Part No.M2528816)
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$374.99
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.
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Carquest Premium – Carquest Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer, M2528817 (Part No.M2528817)
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$171.99
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.
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Carquest Premium – Carquest Fuel Pump Camshaft Follower, CSA5316 (Part No.CSA5316)
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$114.99
The Fuel Pump Camshaft Follower rides on a camshaft lobe while the other side of the device drives the high pressure fuel pump actuator. This device is typically replaced whenever the high pressure fuel pump is replaced.
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In-Demand Gas Caps for 2012 Kia Optimas
Select from 7 premium Gas Caps parts for your 2012 Kia Optima, with prices ranging from $14.29 to $28.99.
Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17508 (Part No.17508)
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$14.29
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.
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Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10838 (Part No.10838)
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$15.99
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.
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Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10842 (Part No.10842)
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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.
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Carquest Premium – Carquest Locking Fuel Tank Cap, 10508 (Part No.10508)
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$24.99
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.
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Carquest Premium – Carquest Locking Fuel Tank Cap, 10512 (Part No.10512)
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$24.99
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.
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Motorad – Motorad Direct Fit Tethered Non-Locking Gas Fuel Tank Cap:, MGC837T (Part No.MGC837T)
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$28.99
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.
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Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17512 (Part No.17512)
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$17.49
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.
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Most Sold 2012 Kia Optima Fuel Tanks
Explore our best-selling Kia parts for the 2012 Optima among 1 OEM and aftermarket options starting from $12.49.
Delphi – Delphi Fuel Tank Cleaning Kit, FC01 (Part No.FC01)
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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.
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Top-Rated Fuel and Emissions Systems Brands For Your 2012 Kia Optima
Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2012 Kia Optimas. Below you’ll find some of our best rated Fuel and Emissions Systems from NTK, Carquest Premium, and Delphi, and more. Fuel and Emissions Systems from these brands that fit a 2012 Optima start at just $14.29 and are rated as high as 4.6 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.
Popular NTK 2012 Kia Optima Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2012 Kia Optima, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. NTK ticks all of those boxes. We offer a wide selection of NTK Fuel and Emissions Systems, specifically designed for the 2012 Kia Optima. With over 2 NTK 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 $119.99, with an average price of just $134.99. Plus, with over 3 customer reviews and an average rating of 4.6 stars, you can trust that our NTK 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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$149.99
(1)
"NTK Switching Oxygen Sensor: 4 Wire, 17.5"" Long, Heated, Direct Fit, 25201"
“good”
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$119.99
(2)
"NTK Switching Oxygen Sensor: 4 Wire, 19.75"" Long, Heated, Direct Fit, 25199"
“Perfect replacement for my 2012 Sonata. Lance was very helpful at the Merritt Island store.”
Popular Carquest Premium 2012 Kia Optima Fuel and Emissions Systems
Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2012 Kia Optima owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2012 Optima, Advance Auto Parts carries a full inventory of 3 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your Kia in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range from $14.29 to $17.79, plus, with more than 231 customer reviews and an impressive 4.5 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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$14.29
(5)
Carquest Keyed Alike Locking Fuel Cap, 17508
“I was a bit worried about someone stealing gas from my car. No more!”
FAQs for 2012 Kia Optima Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 2012 Kia Optimas?
Out of 67 Fuel and Emissions Systems that fit 2012 Kia Optimas, the following parts are the top sellers:
- Felpro Fuel Injector O-Ring Kit, ES 70599 (3504360) – $8.49
- Motorad Direct Fit Tethered Non-Locking Gas Fuel Tank Cap:, MGC837T (12102515) – $28.99
- Delphi Electric Fuel Pump: With Hose Clamps, Hose Piece, Isolator, Pall Nut, FE0351 (20771936) – $93.99
What’s the price range for 2012 Kia Optima Fuel and Emissions Systems?
Fuel and Emissions System prices for the 2012 Kia Optima start at $2.65 and go up to $896.99 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 2012 Kia Optima?
The average price for Fuel and Emissions Systems for the 2012 Kia Optima is $126.26. 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 Kia Optima model years?
What are the cheapest Fuel and Emissions Systems for my 2012 Kia Optima?
The cheapest 2012 Kia Optima Fuel and Emissions Systems we carry in stock are:
- Carquest Fuel Injector Connector, PT2318 (11477998) – $4.29
- Carquest Fuel Injector Connector, PTA1064 (12541458) – $4.99
- Felpro Fuel Injection Throttle Body Mounting Gasket, 61504 (20780146) – $6.29
- Victor Reinz Fuel Injection Throttle Body Mounting Gasket, 71-15043-00 (12575995) – $7.99
- Felpro Fuel Injector O-Ring Kit, ES 70599 (3504360) – $8.49
What are the top-rated Fuel and Emissions Systems that fit the 2012 Kia Optima?
Out of 2,124 reviews by customers, our 2012 Kia Optima 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 Kia Optima and their top-rated products:
- Vapor Canister Purge Valves
- Dorman Evaporative Emissions Canister Vent Valve, 911-803 (10012207) – $69.99
- Oxygen Sensors
- Dorman Evaporative Emissions Canister Vent Valve, 911-803 (10012207) – $69.99
What types of Fuel and Emissions Systems do you sell for my 2012 Kia Optima?
As of 8/2/26, these are some of the most in-demand types of Fuel and Emissions Systems for a 2012 Kia Optima:
Can I get help with 2012 Kia Optima 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 Kia Fuel and Emissions Systems and more.
What is your return policy for Kia Optima Fuel and Emissions Systems?
Advance Auto Parts keeps returns simple. For new Kia Optima 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.
