1
Confirm the Tahoe Year
Start with the exact model year because Chevrolet changed injector designs across different Tahoe generations.
Tahoe Fuel Injector
Tahoe Fuel Injectors
Choosing the correct Chevy Tahoe fuel injectors depends on the model year, engine, fuel type, engine code, and OEM part number. This guide covers the rebuilt OEM injector sets shown in our catalog for select 2000–2013 Chevrolet Tahoe 4.8L, 5.3L, 6.0L, and 6.2L applications, plus a high-flow option for modified LS-powered builds.
Use the fitment chart below to narrow your choice, then confirm the number printed on your original injector before ordering.
View the Tahoe Fitment Guide Shop Tahoe Fuel InjectorsDo Not Choose Tahoe Injectors by Engine Size Alone
Two Tahoes with the same 5.3L engine size may require different injectors because one is gasoline-only and the other is Flex Fuel/E85
How to Find the Correct Fuel Injectors for Your Chevy Tahoe
Start with the Year, Make, and Model search tool at the top of our website. Then compare the recommended product with your original injector and vehicle information.
2
Check the Engine and Fuel Type
Confirm the engine size, engine code, and whether the Tahoe is gasoline-only, Flex Fuel/E85, or hybrid.
Information to Verify
- Chevrolet Tahoe model year
- Engine size
- Gasoline, Flex Fuel or hybrid system
- Stock replacement or modified application
Use this chart as a general reference for the Tahoe injector products listed on this page. Confirm the OEM number, engine, fuel type, and complete vehicle application before ordering.
| Part Number | Years | Engine | Fuel Type | Product Link |
|---|---|---|---|---|
| Delphi 25317628 Factory OEM replacement | 2000–2006 | 4.8L / 5.3L V8 | Gasoline Non-flex |
View Injectors |
| Denso 12580426 / 25326903 Rebuilt OEM set | 2002–2006 | 5.3L V8 | Flex Fuel / E85 | View Injectors |
| Denso 25326903 Genuine 32 lb/hr OEM set | 2002–2006 | 5.3L V8 | Flex Fuel / E85 | View Injectors |
| Delphi 12580681 Factory OEM replacement | 2007–2009 | 4.8L / 5.3L Select 6.0L / 6.2L |
Gasoline / Hybrid | View Injectors |
| Denso 12594512 Factory Flex Fuel set | 2007–2009 | 5.3L V8 | Flex Fuel / E85 | View Injectors |
| GM 12613411 Factory OEM replacement | 2010–2013 | 5.3L / 6.0L V8 | Verify application | View Injectors |
| Denso 84 lb/hr High-flow performance | Modified builds | 4.8L / 5.3L / 6.0L | Gasoline / Flex Fuel / E85 | View Injectors |
2000–2006 Tahoe
Delphi 25317628 Fuel Injectors
4.8L and 5.3L gasoline / non-flex applications
2000–2006 Chevrolet Tahoe models with gasoline-only 4.8L or 5.3L V8 engines use genuine Delphi 25317628 fuel injectors. These are factory replacements.
- OEM number 25317628
- Manufacturer Delphi / GM
- Common years 2000–2006
- Engines 4.8L and 5.3L V8
- Fuel system Gasoline only
- Quantity 8
2002–2006 Tahoe
Denso 12580426 / 25326903 Injectors
5.3L Flex Fuel / E85 applications
2002–2006 Chevrolet Tahoe 5.3L Flex Fuel models use genuine Denso injectors carrying GM part numbers 12580426 and 25326903.
- OEM numbers 12580426 / 25326903
- Manufacturer Denso / GM
- Common years 2002–2006
- Engine 5.3L V8
- Fuel system Flex Fuel / E85 compatible
- Flow rating Approximately 32 lb/hr at 58 PSI
- Connector EV6 / USCAR
- Quantity 8
Genuine Denso OEM Set
Denso 25326903 32 lb/hr Injectors
Tahoe Flex Fuel applications
Customers searching specifically for the 25326903 marking can choose this dedicated genuine Denso injector set. It is intended for GM Flex Fuel vehicles originally equipped with the same injector family.
- OEM number 25326903
- Manufacturer Denso / GM
- Flow rating Approximately 32 lb/hr at 58 PSI
- Connector EV6 / USCAR
- Fuel system Flex Fuel
- Quantity 8
2007–2009 Tahoe
Delphi 12580681 Fuel Injectors
Select gasoline, hybrid, and 6.2L applications
Genuine Delphi 12580681 fuel injectors fit select 2007–2009 Chevrolet Tahoe applications, including verified gasoline 4.8L and 5.3L models, 2008–2009 6.0L hybrid models, and the 2008 Tahoe 6.2L.
- OEM number 12580681
- Manufacturer Delphi / GM
- Common years 2007–2009
- Applications 4.8L and 5.3L gasoline; 2008–2009 6.0L hybrid; 2008 6.2L gasoline
-
Quantity 8
2007–2009 Tahoe
Denso 12594512 Flex Fuel Injectors
5.3L Flex Fuel / E85 applications
Genuine Denso 12594512 fuel injectors are available for 2007–2009 Chevrolet Tahoe models equipped with a 5.3L Flex Fuel V8.
- OEM number 12594512
- Manufacturer Denso / GM
- Common years 2007–2009
- Engine 5.3L V8
- Fuel system Flex Fuel
- Quantity 8
2010–2013 Tahoe
GM 12613411 Fuel Injectors
Compatible 5.3L and 6.0L applications
GM 12613411 fuel injectors are available for 2010–2013 Chevrolet Tahoe 5.3L and 6.0L applications.
- OEM number 12613411
- Manufacturer GM OEM
- Common years 2010–2013
- Engines 5.3L and 6.0L V8
- Quantity 8
Modified Tahoe LS Builds
Denso 84 lb/hr High-Flow Injectors
Modified 4.8L, 5.3L, and 6.0L LS combinations
Decapped genuine Denso 84 lb/hr high-flow injectors are available for compatible modified LS-powered Tahoe builds that require substantially more fuel than the factory injector can supply.
- Injector type Decapped genuine Denso
- Flow rating 84 lb/hr high flow
- Engines Modified 4.8L, 5.3L, and 6.0L LSx
- Fuel options Gasoline / Flex Fuel / E85 builds
- Application Modified performance use
- Tuning Professional ECU calibration required
These are not stock replacements. Confirm injector compatibility, fuel-system capacity, and calibration requirements with your tuner.
Symptoms of Failing Chevy Tahoe Fuel Injectors
A clogged, leaking, electrically failing, or uneven injector may contribute to noticeable drivability problems, including:
Rough or uneven idle
Hard starting or extended cranking
Hesitation during acceleration
Loss of power under load
Poor fuel economy
Strong gasoline odor
Random or cylinder-specific misfires
P0300 through P0308 trouble codes
Rich or lean fuel-trim codes
Black exhaust smoke
Fuel leaking into a cylinder
Check Engine Light
Diagnostic note: These symptoms can have more than one cause. Proper diagnosis is recommended before replacing parts. An injector can pass a basic resistance check and still have a restricted internal filter, poor spray pattern, delayed opening, leakage, or uneven flow.
Why Flow Matching Matters on a Chevy Tahoe V8
Every Tahoe cylinder depends on its injector to deliver a consistent amount of fuel. A restricted or leaking injector can cause one cylinder to not receive the appropriate amount of fuel which leads to rough running conditions.
Precision Auto Injectors dynamically tests and matches injectors as a complete set. We target approximately 2% flow balance across the set to support consistent fuel delivery from cylinder to cylinder.
Our Chevy Tahoe Fuel Injector Rebuilding Process
Visual inspection of the body, connector, and nozzle
Electrical resistance and coil-response testing
Opening-consistency, leak-down, and pressure testing
Ultrasonic cleaning and reverse flushing
New filters, O-rings, caps, and spacers as applicable
Dynamic and static flow testing on ASNU equipment
Spray-pattern verification
Flow matching across the complete set
Final quality inspection before shipment
Why Choose Genuine OEM Tahoe Injectors?
Genuine OEM injectors were engineered for the Tahoe’s original fuel system.
Low-cost aftermarket injectors may look similar while differing internally and result in a product that doesn't perform to par and leads to you having to redo the job.
Why Buy Chevy Tahoe Injectors From Us?
We help Tahoe owners identify the correct genuine OEM injector set and provide professionally tested products with warranty and return support.
Genuine OEM Injector Cores
Our Tahoe injector sets use genuine GM, Delphi, and Denso OEM cores instead of unknown replica parts.
Professionally Tested Sets
Injectors are leak tested; spray-pattern verified, dynamically flow tested, and matched as a complete set.
Fitment Help
Send us your Tahoe year, engine, fuel type, injector number, and photos if you need help choosing a listing.
Warranty and Return Support
Shop with our lifetime replacement warranty and 60-day hassle-free returns.
Frequently Asked Questions About Chevy Tahoe Fuel Injectors
1. How much does it cost to replace fuel injectors on a Chevy Tahoe?
The total cost depends on your Tahoe’s model year, and engine.
2. What fuel injectors fit a 2003 Chevy Tahoe 5.3L?
gasoline-only 2003 Tahoe 5.3L may use Delphi 25317628 injectors. A factory Flex Fuel/E85 model may use Denso 12580426 or 25326903 instead
3. What fuel injectors fit a 2007 Chevy Tahoe 5.3L?
Gasoline-only 2007 Tahoe 5.3L may use Delphi 12580681 injectors, factory Flex Fuel model use Denso 12594512 you must confirm your type.
4. Which injectors fit a 2015, 2016, or 2017 Chevy Tahoe?
The stock replacement injectors on this page cover select Tahoe applications through 2013 and should not be used automatically in a 2015–2017 Tahoe. These newer models use a different high-pressure direct-injection system.
5. Should I replace one Tahoe fuel injector or all eight?
All 8 is the best way to guarantee a fix to your injector related issue as this will make sure you have all even flowing injectors providing the best conditions for your engine fuel wise.
Shop Chevy Tahoe Fuel Injectors
Browse our available rebuilt genuine OEM fuel injector sets for Chevrolet Tahoe SUVs. For the most accurate result, use the Year, Make, and Model search tool and compare the recommended injector with the number printed on your original part.
View All Tahoe Fuel Injectors Review the Fitment Chart