GDI Fuel Injectors Fit 2014-18 Chevy GM
specification & Features
Manufacturer Part Number
12668390
OE/OEM Part Number
FJ1217
Interchange Part Number
FJ1217, 12656932, 12661028, 12668649, 12672368, 12684125
Type
Fuel Injector
Fuel Type
Gasoline
Material
Metal+Plastic
Manufacturer Warranty
1 Year
About Product
Our OEM 12668390 GDI Fuel Injectors are made for Chevy and GM trucks and SUVs from 2014 to 2018 (Silverado 1500/2500, Tahoe, Suburban, Sierra, Yukon). They dispense fuel with precision and come with direct-fit EV6 connectors for easy installation. These injectors have laser-drilled nozzles (SAE J2719-certified) and are made of 316L stainless steel. They help prevent carbon buildup in high-mileage Chevy 5.3L V8 engines and resist corrosion from ethanol (up to E15). They restore factory MPG and throttle response, making them perfect for fixing P0300/P0171 problems or improving towing performance in GMC Sierra 1500 5.3L models.
Products Advantage
Our OEM 12668390 GDI Fuel Injectors are made to work best with 2014–2018 Chevy and GM trucks and SUVs. They are both precise and tough. These injectors come with direct-fit EV6 connectors, so you can plug them in and play them right away on Chevy Silverado 1500/2500 and GMC Sierra 1500 vehicles without having to recalibrate the ECU. The laser-drilled multi-hole nozzles (SAE J2719-certified) break up the fuel into very small particles, which helps keep carbon from building up in high-mileage engines like the 2015 Chevy Tahoe 5.3L V8 with more than 150,000 miles.
The bodies are made of pressure-forged 316L stainless steel, which can handle intense heat and pressure cycles of over 100 PSI. This makes them perfect for turbocharged 2016 GMC Yukon XL 5.3L projects or pulling large loads with the 2017 Chevy Suburban 5.3L. Teflon-coated seals protect against ethanol corrosion (up to E15), thus the 2014–2018 Silverado 1500 4.3L V6 engines will last longer in areas where ethanol is mixed with gasoline. Pre-calibrated dynamic flow rates (±1.5%) bring back factory-level fuel efficiency and fix common OBD-II errors (such P0300 and P0171) in older 2018 GMC Sierra 1500 5.3L fleet cars.
The self-cleaning nozzle design reduces cold-start lag in 2015–2018 Chevy Tahoe/Suburban SUVs, making them more reliable in cold weather.
Main application scenarios
How to keep your Chevy Suburban and GMC Yukon in good shape for your family
Direct-fit GDI Fuel Injectors made for the 2015–2018 Chevy Suburban 5.3L V8 and GMC Yukon XL 5.3L will keep your family SUV running smoothly. These injectors stop the engine from stalling or rough idling whether you pick up your kids from school or go on a road trip. This is because the nozzles clean themselves and stop carbon from building up in stop-and-go traffic. Our injectors bring back OEM-level fuel efficiency, which can decrease annual maintenance expenses by up to 20% for family cars that drive a lot. This is great for parents who care about safety and reliability.
Driving to work every day in a Chevy Silverado 1500 or GMC Sierra 1500
Ethanol-resistant GDI Fuel Injectors fit 2014–2018 Chevy GM trucks such the 2016 Chevy Silverado 1500 5.3L and 2018 GMC Sierra 1500 4.3L V6. They make it easy to get through rush hour traffic. The Teflon-coated seals keep ethanol-blended fuel from corroding, which makes it easier to start your car in the winter. These injectors cut down on fuel waste by 15% because they come with pre-calibrated flow rates. They are great for people who drive more than 500 miles a week in cities and suburbs.
Fixing problems for high-mileage GMC Yukon and Chevy Tahoe
Fix check engine lights that keep coming on (P0300/P0171) in 2014–2018 Chevy Tahoe 5.3L or GMC Yukon 5.3L SUVs with OEM 12668390 injectors. The laser-drilled nozzles stop misfires that happen when stock injectors get clogged in cars with more than 120,000 miles on them. Dynamic pressure testing makes sure that old engines don't leak. Mechanics say these injectors are the best choice for quick, cheap repairs that don't cost more at the dealership.
Performance Improvements for Towing and the Turbocharged Silverado 2500
Heavy-duty GDI Fuel Injectors are made for customized 2016 Chevy Silverado 2500 5.3L and 2017 GMC Sierra 1500 5.3L models. They will make your vehicle more powerful. The bodies are made of 316L stainless steel and can handle up to 120 PSI in turbocharged or supercharged installations. The multi-hole spray patterns make sure that the air and fuel mix well for heavy pulling, like boats and trailers. People who love off-roading and contractors rely these injectors to give them 15% more torque while still being CARB-compliant.
why choose us
why choose our products
Our own production base is centered on one-stop manufacturing of basic components including automobile sensors and engine iniectors. With 0 middleman costs, Ne can achieve a price reduction of 17%+; support order response and customized mass production within 30lays; independently control every link from precision laser weldingechnology to strict quality inspection to ensure that the quality is aligned with OE standards, so helping global customers to reduce cost-effective purchase without worries.
Frequently Asked Questions
1. What vehicles are compatible with OEM 12668390 GDI Fuel Injectors?
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These injectors work with Chevy and GM trucks and SUVs from 2014 to 2018, such as the Chevy Silverado 1500/2500 (5.3L V8), the GMC Sierra 1500 (4.3L V6), the Chevy Tahoe/Suburban 5.3L, and the GMC Yukon/Yukon XL 5.3L.
2. Do these fuel injectors need to be recalibrated for the ECU in a 2016 Chevy Silverado 1500 5.3L?
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No, the direct-fit EV6 connector design makes it easy to install without having to change the ECU for 2014–2018 Chevy Silverado 1500 5.3L V8 engines.
3. In what ways do these injectors help a 2017 GMC Yukon XL 5.3L get better gas mileage?
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The SAE J2719-certified laser-drilled nozzles improve atomization, which increases MPG by 8% to 12% in 2015–2018 GMC Yukon XL 5.3L SUVs that are used for highway commuting.
4. Do these injectors work with ethanol in a 2018 Chevy Suburban 5.3L?
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Yes, Teflon-coated seals can handle up to E15 ethanol blends. This is great for 2016–2018 Chevy Suburban 5.3L models in parts of the Midwest where there is a lot of ethanol.
15. Where are these fuel injectors made?
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They are made in a factory that is ISO 9001-certified, which guarantees that they are of OE quality for Chevy and GM vehicles and SUVs from 2014 to 2018.
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