How to remove and install fuel injectors and fuel rails on Chevrolet Express?

To replace the fuel injectors and fuel rails, relieve the fuel system pressure, disconnect the negative battery terminal, and disconnect the vacuum hose from the fuel pressure regulator. Disconnect the fuel injector electrical connectors and the fuel supply and return lines from the fuel rail. To install, coat the new O-rings with engine oil and insert the injectors. Install the injector retaining clip and mount the assembly onto the intake manifold.

Genuine Chevrolet Express Fuel Rail

Engine Fuel Rail

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32 Fuel Rails found

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Chevrolet Express Rail Assembly, Fuel Injection Fuel
Part Number: 12651989
$358.48 MSRP: $724.94
You Save: $366.46 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Replaces: 12620533
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
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Chevrolet Express 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:
- 2003-2007 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Express Rail Assembly, Fuel Injection Fuel <Split>
Part Number: 12620532
$326.39 MSRP: $660.04
You Save: $333.65 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
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Chevrolet Express 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:
- 2004-2007 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Express 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:
- 2008-2020 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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Chevrolet Express 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
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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:
- 2008-2009 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS | 8 Cyl 5.3L
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Chevrolet Express 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:
- 2008-2017 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L
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Chevrolet Express Rail Assembly, Fuel Injection Fuel <Split>
Part Number: 97361353
$362.42 MSRP: $683.83
You Save: $321.41 (47%)
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2010 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
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Chevrolet Express RAIL-F/INJN FUEL
Part Number: 12729464
$116.99 MSRP: $238.66
You Save: $121.67 (51%)
Ships in 1-2 Business Days
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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:
- 2021-2023 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 8 Cyl 6.6L
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Chevrolet Express 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:
- 2021-2023 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 8 Cyl 6.6L
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Chevrolet Express Rail, F/Injn Fuel
Part Number: 12707886
$102.14 MSRP: $192.72
You Save: $90.58 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaced by: 12729465
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2023 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 6 Cyl 4.3L
View related parts
Chevrolet Express RAIL-F/INJN FUEL
Part Number: 12729463
$102.14 MSRP: $192.72
You Save: $90.58 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaces: 12687245, 12707885, 12659651, 12701135, 12628429, 12669882, 12668401
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2023 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 6 Cyl 4.3L
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Chevrolet Express Rail Kit, Sequential Multiport Fuel Injection Fuel
Part Number: 22900042
$1399.06 MSRP: $1885.53
You Save: $486.47 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL KIT, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2015 Chevrolet Express | 1 TON COMMERCIAL/RV CUTAWAY | 8 Cyl 6.0L
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Chevrolet Express Rail Assembly, High Press Dsl F/Injn
Part Number: 55510921
$439.16 MSRP: $828.60
You Save: $389.44 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaces: 55484516
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 4 Cyl 2.8L Diesel
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Chevrolet Express 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:
- 2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 8 Cyl 6.6L
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Chevrolet Express Rail Assembly, Cng Tank Frame Upper
Part Number: 52371551
$36.18 MSRP: $894.54
You Save: $858.36 (96%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection
- Position: Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
View related parts
Chevrolet Express 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:
- 2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 8 Cyl 6.6L
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Chevrolet Express Rail Assembly, Fuel Tank Skid
Part Number: 22899978
$654.56 MSRP: $846.22
You Save: $191.66 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2015 Chevrolet Express | 1 TON COMMERCIAL/RV CUTAWAY | 8 Cyl 6.0L
View related parts
Chevrolet Express Rail Kit, Sequential Multiport Fuel Injection Fuel
Part Number: 22900043
$1399.06 MSRP: $1885.53
You Save: $486.47 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL KIT, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2015 Chevrolet Express | 1 TON COMMERCIAL/RV CUTAWAY | 8 Cyl 6.0L
View related parts
Chevrolet Express Rail Assembly, Fuel Injection Fuel <Split>
Part Number: 97361352
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2010 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel

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1-20 of 32 Results

Chevrolet Express Fuel Rail

The Chevrolet Express Fuel Rail carries pressurized gasoline to each injector, allowing the van's engine to have just the right spray for smooth power and clean emissions. The early versions of 1990s Express models applied throttle body injection. This was a compact setup where a single injector was above the throttle plates. The rail, regulator, and nozzle formed a single unit that replaced carburetor hardware. As engineering progressed, the majority of vans incorporated multiport systems. They fitted an injector onto every intake valve and fed them through a tubular Fuel Rail that maintains a constant pressure. The powertrain computer pulses each nozzle depending on load. Recent gasoline engines have transitioned to direct and common-rail style injection, utilizing common-rail style systems. This change has resulted in a significant increase in line pressure, allowing the Fuel Rail to withstand thousands of psi. Consequently, multiple fine sprays can be injected directly into the chamber, enhancing torque and improving fuel efficiency. In later diesel versions of the Chevrolet van, each Fuel Rail works at common-rail pressures for solenoid-controlled injectors. The Fuel Rail connects the electric pump to the injectors and is a sealed unit. Leaks or signs of rough idle or hard starts mean it's likely faulty, and so replacement will keep all Chevrolet Express running.

Each OEM Chevrolet Express 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.

Chevrolet Express Fuel Rail Parts Questions & Experts Answers

Rail Assembly, Sequential Multiport Fuel Injection Fuel
12660709
Q: How to remove and install fuel injectors and fuel rails on Chevrolet Express?
A:
To replace the fuel injectors and fuel rails, relieve the fuel system pressure, disconnect the negative battery terminal, and disconnect the vacuum hose from the Fuel Pressure Regulator. Disconnect the fuel injector electrical connectors and the fuel supply and return lines from the fuel rail. To install, coat the new O-rings with engine oil and insert the injectors. Install the injector retaining clip and mount the assembly onto the intake manifold.