How to remove fuel injectors and Fuel Rail on V8 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?

First, remove the intake manifold cover to get it off the fuel injectors on a vehicle. It is also necessary to relieve the fuel system pressure and disconnect the negative battery terminal cable. After that, air intake and manifold cover bracket bolts are removed as well as the nut holding engine wiring harness bracket to intake manifold. Electrical leads in engine wiring harness traced and disconnected from various components including alternator, EVAP purge solenoid, ignition coils, MAP sensor and throttle body. Also, electrical connectors from fuel injectors were disconnected; engine wiring harness clips were detached too. The PCV hose is disconnected from the intake manifold while the fuel line is disconnected from the fuel rail. The EVAP canister purge solenoid is removed from the intake manifold while the fuel rail mounting bolts are removed. Thereafter, injectors are disengaged from engine as an assembly through lifting them out of top of intake manifold by each individual injector retainer with its old o-ring removed.New o-rings should be installed after which they are lubricated with clean engine oil before reassembling both injectors and fuel rail. This process however must be done in reverse starting by tightening up of fuel rail mounting bolts and then pressurizing of fuel system so as to ensure there are no leaks occurring during installation.

Genuine GMC Yukon Fuel Rail

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23 Fuel Rails found

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GMC Yukon Rail Assembly, Multiport Fuel Injection Fuel
Part Number: 12602113
$95.46 MSRP: $198.23
You Save: $102.77 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Replaces: 89017375
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2006 GMC Yukon | 1/2 TON, 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
View related parts
GMC Yukon Rail, F/Injn Fuel
Part Number: 12707882
$97.82 MSRP: $203.12
You Save: $105.30 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaced by: 12729464
- Replaces: 12684180, 12623129, 12659650, 12668400, 12685360, 12701132, 12669883
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2021 GMC Yukon | 1/2 TON, 1500 4 DOOR, 1500 4 DOOR SUV, 1500 4 DOOR UTILITY, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 5.3L, 8 Cyl 6.2L
View related parts
GMC Yukon Rail Assembly, Sequential Multiport Fuel Injection Fuel
Part Number: 12660710
$153.61 MSRP: $318.96
You Save: $165.35 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Replaces: 12621665, 12621563
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2014 GMC Yukon | 1/2 TON, 3/4 TON, XL 3/4 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L
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GMC Yukon Rail Assembly, Sequential Multiport Fuel Injection Fuel
Part Number: 12621662
$144.75 MSRP: $273.12
You Save: $128.37 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Replaces: 89017110, 89018110, 12621560
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2009 GMC Yukon | 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 5.3L Flex
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GMC Yukon Rail Asm,Multiport Fuel Injection Fuel (Right Hand)
Part Number: 17113695
$134.22 MSRP: $278.67
You Save: $144.45 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Position: Passenger Side
- Replaces: 89017376
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Yukon | 1/2 TON, 3/4 TON, XL 1/2 TON, XL 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
View related parts
GMC Yukon Rail Assembly, Sequential Multiport Fuel Injection Fuel
Part Number: 12660709
$162.28 MSRP: $306.18
You Save: $143.90 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Replaces: 12621668, 12621566
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2014 GMC Yukon | 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex
View related parts
GMC Yukon Rail Assembly, Sequential Multiport Fuel Injection Fuel
Part Number: 12621663
$181.71 MSRP: $342.84
You Save: $161.13 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Replaces: 12621561
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2013 GMC Yukon | 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 6.2L Flex
View related parts
GMC Yukon Rail Assembly, High Press Dsl F/Injn
Part Number: 55505909
$168.04 MSRP: $302.78
You Save: $134.74 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021 GMC Yukon | 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 6 Cyl 3.0L Diesel
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GMC Yukon Rail, F/Injn Fuel
Part Number: 12701134
$97.82 MSRP: $203.12
You Save: $105.30 (52%)
Ships in 1-2 Business Days

Out of Stock
Product Specifications
- Other Name: Fuel Rail
- Replaced by: 12729466
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2021 GMC Yukon | 1/2 TON, 1500 4 DOOR, 1500 4 DOOR SUV, 1500 4 DOOR UTILITY, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 5.3L, 8 Cyl 6.2L
View related parts
GMC Yukon Pipe Kit,Fuel Injection Fuel Return
Part Number: 89017381
Product Specifications
- Other Name: PIPE KIT, Fuel Line
- Replaces: 88894359
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2004 GMC Yukon | 1/2 TON, 3/4 TON, XL 1/2 TON, XL 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
View related parts
GMC Yukon Pipe Kit,Fuel Injection Fuel Feed & Return
Part Number: 17113214
Product Specifications
- Other Name: PIPE KIT, Fuel Line
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2004 GMC Yukon | 1/2 TON, XL 1/2 TON, YUKON/DENALI/ESCALADE
- 1996-1997 GMC Yukon | CLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON
View related parts
GMC Yukon Rail Asm,Multiport Fuel Injection Fuel (Left Hand)
Part Number: 17113696
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2003 GMC Yukon | 1/2 TON, 3/4 TON, XL 1/2 TON, XL 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
View related parts
GMC Yukon Rail Asm,Multiport Fuel Injection Fuel
Part Number: 88894358
Product Specifications
- Other Name: RAIL, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2004 GMC Yukon | 1/2 TON, XL 1/2 TON, YUKON/DENALI/ESCALADE | 8 Cyl 5.3L Flex
View related parts
GMC Yukon Rail Asm,Direct Fuel Injection Fuel
Part Number: 97303659
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 GMC Yukon | 3/4 TON
View related parts
GMC Yukon Rail Asm,Multiport Fuel Injection Fuel (Left Hand)
Part Number: 17113701
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001 GMC Yukon | XL 1/2 TON, XL 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L
View related parts
GMC Yukon Rail Asm,Multiport Fuel Injection Fuel(RH)
Part Number: 17113637
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 GMC Yukon | XL 1/2 TON, XL 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
View related parts
GMC Yukon Rail Asm,Multiport Fuel Injection Fuel(LH)
Part Number: 17113638
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 GMC Yukon | XL 1/2 TON, XL 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
View related parts
GMC Yukon Rail Assembly, Sequential Multiport Fuel Injection Fuel
Part Number: 12599737
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 GMC Yukon | 1/2 TON, YUKON/DENALI/ESCALADE | 8 Cyl 5.3L Flex
View related parts
GMC Yukon Pipe Kit,Fuel Injection Fuel Feed & Return
Part Number: 17113204
Product Specifications
- Other Name: PIPE KIT, Fuel Line
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC Yukon | CLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON | 8 Cyl 5.7L
View related parts
GMC Yukon Rail Asm,Direct Fuel Injection Fuel
Part Number: 97303658
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 GMC Yukon | 3/4 TON

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GMC Yukon Fuel Rail Parts Questions & Experts Answers

Rail Assembly, Sequential Multiport Fuel Injection Fuel
12621662
Q: How to remove fuel injectors and Fuel Rail on V8 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: First, remove the intake manifold cover to get it off the fuel injectors on a vehicle. It is also necessary to relieve the fuel system pressure and disconnect the negative battery terminal cable. After that, air intake and manifold cover bracket bolts are removed as well as the nut holding engine wiring harness bracket to intake manifold. Electrical leads in engine wiring harness traced and disconnected from various components including alternator, EVAP purge solenoid, ignition coils, MAP sensor and Throttle Body. Also, electrical connectors from fuel injectors were disconnected; engine wiring harness clips were detached too. The PCV hose is disconnected from the intake manifold while the fuel line is disconnected from the fuel rail. The EVAP canister purge solenoid is removed from the intake manifold while the fuel rail mounting bolts are removed. Thereafter, injectors are disengaged from engine as an assembly through lifting them out of top of intake manifold by each individual injector retainer with its old o-ring removed.New o-rings should be installed after which they are lubricated with clean engine oil before reassembling both injectors and fuel rail. This process however must be done in reverse starting by tightening up of fuel rail mounting bolts and then pressurizing of fuel system so as to ensure there are no leaks occurring during installation.