How to remove fuel injectors and Fuel Rail on V8 engine on GMC Yukon?

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

Engine Fuel Rail

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26 Fuel Rails found

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GMC Yukon Rail Asm,Multiport Fuel Injection Fuel (Right Hand)
Part Number: 17113695
$104.50 MSRP: $327.45
You Save: $222.95 (69%)
Ships in 1-2 Business Days
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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
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GMC Yukon Multiport Fuel Injection Fuel Rail Assembly
Part Number: 12602113
$114.18 MSRP: $232.93
You Save: $118.75 (51%)
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
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GMC Yukon Rail Assembly, Sequential Multiport Fuel Injection Fuel
Part Number: 12660710
$183.72 MSRP: $374.78
You Save: $191.06 (51%)
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
$180.88 MSRP: $341.28
You Save: $160.40 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Replaces: 89018110, 89017110, 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 Assembly, Sequential Multiport Fuel Injection Fuel
Part Number: 12660709
$190.67 MSRP: $359.76
You Save: $169.09 (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
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GMC Yukon RAIL-F/INJN FUEL
Part Number: 12729464
$116.99 MSRP: $238.66
You Save: $121.67 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaces: 12669883, 12701132, 12707882, 12685360, 12623129, 12668400, 12659650, 12684180
- 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 SUV, 1500 4 DOOR UTILITY, 4 DOOR, 4 DOOR SUV, YUKON/DENALI/ESCALADE | 8 Cyl 5.3L, 8 Cyl 6.2L
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GMC Yukon RAIL-F/INJN FUEL
Part Number: 12729466
$116.99 MSRP: $238.66
You Save: $121.67 (51%)
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaced by: 12729462
- Replaces: 12659649, 12701134, 12684181, 12669884, 12623121, 12668399, 12687244, 12707884
- 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 SUV, 1500 4 DOOR UTILITY, 4 DOOR, 4 DOOR SUV, 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: 12621663
$226.74 MSRP: $427.82
You Save: $201.08 (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
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GMC Yukon Rail Assembly, High Press Dsl F/Injn
Part Number: 55505909
$223.41 MSRP: $421.52
You Save: $198.11 (47%)
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:
- 2021-2022 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 ASM-HIGH PRESS DSL F/INJN
Part Number: 40009114
$157.48 MSRP: $286.32
You Save: $128.84 (45%)
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaced by: 40009602
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 GMC Yukon | 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV | 6 Cyl 3.0L Diesel
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GMC Yukon RAIL-F/INJN FUEL
Part Number: 12719352
$129.39 MSRP: $235.26
You Save: $105.87 (45%)
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2024 GMC Yukon | 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV | 8 Cyl 5.3L, 8 Cyl 6.2L
View related parts
GMC Yukon RAIL-F/INJN FUEL
Part Number: 12719353
$126.56 MSRP: $229.32
You Save: $102.76 (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:
- 2022-2024 GMC Yukon | 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV | 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,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

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GMC Yukon Fuel Rail

Fuel Rail of GMC Yukon delivers pressurized gasoline to every single injector so that the engine gets the precise nozzle spray which is needed for smooth powering and clean burning. The early throttle body systems found in this GMC SUV applied one or two centrally located injectors, but it still had a Fuel Rail section integrated with the throttle body's regulator to maintain pressure. With the advancement of technology, a multiport injection system was designed where the injectors were placed in each intake runner. Moreover, an external Fuel Rail was introduced which acts as a manifold. This Fuel Rail is supplied with fuel by a Fuel Pump from the tank and maintains a constant pressure in the injection system for balanced delivery. The powertrain computer adjusts the pulse width from the idle position to the heavy load position once the injector is supplied with fuel, which is at constant pressure throughout the injection cycle. The updated Yukon direct injection variants are taking things to another level. They have a common rail layout where the fuel is stored at extremely high pressure. This way, smaller droplets are injected directly into the combustion chamber, which increases efficiency and reduces emissions. Although variations arise from injector placement, pressure differences, and whether the Fuel Rail feeds a central throttle body or individual cylinders, every Fuel Rail in a GMC or Yukon is still designed for the same purpose, feeding the engine reliably.

Each OEM GMC Yukon Fuel Rail we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Yukon Fuel Rail Parts Questions & Experts Answers

Rail Assembly, Sequential Multiport Fuel Injection Fuel
12660709
Q: How to remove fuel injectors and Fuel Rail on V8 engine on GMC Yukon?
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.