8x 12613411GM Flex Fuel Injectors For 2010-14 Chevy Tahoe GMC Sierra 4.8 5.3 6.0
8x 12613411GM Flex Fuel Injectors For 2010-14 Chevy Tahoe GMC Sierra 4.8 5.3 6.0
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Flex Fuel Injectors for Chevrolet/GMC
This 8-piece flex fuel injector set replaces GM part number 12613411GM, providing accurate fuel delivery for 2010-2014 Chevrolet Tahoe and GMC Sierra models with 4.8L, 5.3L, or 6.0L engines.
Overview
These flex fuel injectors are designed for the 4.8L, 5.3L, and 6.0L V8 engines in 2010-2014 Chevrolet Tahoe and GMC Sierra trucks. Engineered for ethanol blends up to E85, they deliver a consistent spray pattern that supports efficient combustion. When worn injectors cause rough idle or misfires, this flex fuel injector set restores factory drivability.
Built For Performance
- High-impedance coil matches OE electrical specs for reliable triggering
- Precision-ground nozzle promotes fine fuel atomization and complete burn
- Stainless-steel internal components resist ethanol-related corrosion
- Flow-rate calibration within OEM tolerance helps maintain fuel trim
- Pre-installed O-rings ensure a tight seal at both rail and port
- Each injector is ultrasonically cleaned and flow-tested before packaging
Fits These Machines
- for Chevrolet Tahoe (2010-2014)
- for GMC Sierra (2010-2014)
On-The-Job Use
- Fuel system rebuild on high-mileage flex-fuel trucks
- Correcting lean/rich conditions after injector clogging
- Maintaining smooth power delivery for towing and hauling
- Supporting ethanol fuel strategy to manage fleet fuel costs
- Replacing a full set when servicing fuel rails or intake manifolds
Specs At A Glance
| Part Number(s) | 12613411GM |
| Quantity | 8 Injectors |
| Fuel Compatibility | Gasoline / E85 Flex Fuel |
| Application | 2010-2014 Chevrolet Tahoe & GMC Sierra 4.8L / 5.3L / 6.0L |
Good To Know
Q: Do these injectors include new O-rings? A: Yes, each injector arrives with pre-lubricated upper and lower O-rings for a leak-free installation; always check seals before mounting.
Q: Will these flex fuel injectors work with the factory ECU? A: They are calibrated to stock flow rates and impedance, so no tuning changes are needed for unmodified vehicles.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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