How to remove and replace fuel injectors and Fuel Rail?

Do not swap fuel injectors between different applications because they have different flow rates. Relief of the fuel system pressure is necessary to start the removal process as well as disconnecting the cable from the negative battery terminal. Remove intake manifold for inline engines and clean the fuel rail/fuel injector area. Take off the fuel pressure regulator vacuum line, fuel injector harness connector, and fuel line fitting(s). VS engines involve removing the outlet duct from air filter housing and labeling and disconnecting all interfering engine hoses, wiring harnesses, and electrical components. The purge control solenoid valve should be removed and quick-connect fuel filling disconnected from the fuel rail. Unbolt the fuel rail attaching bolts for all engines and apply some gentle even outward pressure on it towards cylinder head to free it. Disconnect electrical connector(s) from injector(s) being removed then remove retaining clip(s) and injector(s) from the fuel rail assembly. Replace O-rings of injectors, lubricate with clean engine oil then press injectors into the fuel rail until they are seated. Finally, install injector retaining clips, inspect and clean cylinder head injector holes if required. The remaining part of installation is reverse of removal only taking care that one has tightened down on the bolts mounting a fuel rail properly. After installation turn your ignition switch to ON without operating starter to activate the pump. Turn ignition ON/OFF several times checking for any leakage in fuel lines, fuel rail or injectors.

Genuine Chevrolet Colorado Fuel Rail

Engine Fuel Rail

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12 Fuel Rails found

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Chevrolet Colorado Rail Kit,Multiport Fuel Injection Fuel
Part Number: 12574343
$88.14 MSRP: $183.02
You Save: $94.88 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL KIT, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2012 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 5 Cyl 3.5L, 5 Cyl 3.7L
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Chevrolet Colorado Rail,Fuel Injection Fuel
Part Number: 12629929
$133.80 MSRP: $277.82
You Save: $144.02 (52%)
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:
- 2015-2016 Chevrolet Colorado | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
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Chevrolet Colorado 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:
- 2009-2012 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 8 Cyl 5.3L
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Chevrolet Colorado Rail,Fuel Injection Fuel (LH)
Part Number: 12633593
$141.08 MSRP: $292.92
You Save: $151.84 (52%)
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:
- 2015-2016 Chevrolet Colorado | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
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Chevrolet Colorado Rail Assembly, High Press Dsl F/Injn
Part Number: 55510920
$314.75 MSRP: $653.56
You Save: $338.81 (52%)
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaces: 55487651
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2022 Chevrolet Colorado | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX | 4 Cyl 2.8L Diesel
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Chevrolet Colorado Rail, Fuel Injection Fuel
Part Number: 12654644
$205.60 MSRP: $387.92
You Save: $182.32 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: RAIL, Fuel Injection; Fuel Rail
- Replaces: 12627090
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2022 Chevrolet Colorado | CREW CAB - 5'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX | 4 Cyl 2.5L
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Chevrolet Colorado Rail, F/Injn Fuel
Part Number: 12709433
$107.21 MSRP: $192.30
You Save: $85.09 (45%)
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaces: 12671078
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Colorado | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
View related parts
Chevrolet Colorado RAIL,F/INJN FUEL
Part Number: 12729341
$98.53 MSRP: $176.74
You Save: $78.21 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaces: 12688001
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Colorado | CREW CAB - 5'2" BOX, LS CREW CAB - 5'2" BOX, LS CREW CAB-5'2" BOX(I), LT CREW CAB - 5'2" BOX, LT CREW CAB-5'2" BOX(I), LTZ CREW CAB-5'2" BOX, SPORT CREW-5'2" BOX(NA) | 4 Cyl 2.7L
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Chevrolet Colorado Rail, F/Injn Fuel
Part Number: 12706269
$106.68 MSRP: $167.85
You Save: $61.17 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Rail
- Replaces: 12671079
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Colorado | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
View related parts
Chevrolet Colorado Rail Kit,Multiport Fuel Injection Fuel
Part Number: 12575801
Product Specifications
- Other Name: RAIL KIT, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2012 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 4 Cyl 2.8L, 4 Cyl 2.9L
View related parts
Chevrolet Colorado Rail Assembly, Multiport Fuel Injection Fuel
Part Number: 12571747
Product Specifications
- Other Name: RAIL KIT, Fuel Injection; Fuel Rail
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 5 Cyl 3.5L
View related parts
Chevrolet Colorado RAIL KIT,M/PORT F/INJN FUEL
Part Number: 19417778
Product Specifications
- Other Name: Fuel Rail
- Replaces: 12571748
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Chevrolet Colorado | CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP | 4 Cyl 2.8L

Chevrolet Colorado Fuel Rail

Each OEM Chevrolet Colorado 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 Colorado Fuel Rail Parts Questions & Experts Answers

Rail Kit,Multiport Fuel Injection Fuel
12574343
Q: How to remove and replace fuel injectors and Fuel Rail?
A: Do not swap fuel injectors between different applications because they have different flow rates. Relief of the fuel system pressure is necessary to start the removal process as well as disconnecting the cable from the negative battery terminal. Remove intake manifold for inline engines and clean the fuel rail/fuel injector area. Take off the fuel pressure regulator vacuum line, fuel injector harness connector, and fuel line fitting(s). VS engines involve removing the outlet duct from air filter housing and labeling and disconnecting all interfering engine hoses, wiring harnesses, and electrical components. The purge control solenoid valve should be removed and quick-connect fuel filling disconnected from the fuel rail. Unbolt the fuel rail attaching bolts for all engines and apply some gentle even outward pressure on it towards cylinder head to free it. Disconnect electrical connector(s) from injector(s) being removed then remove retaining clip(s) and injector(s) from the fuel rail assembly. Replace O-rings of injectors, lubricate with clean engine oil then press injectors into the fuel rail until they are seated. Finally, install injector retaining clips, inspect and clean cylinder head injector holes if required. The remaining part of installation is reverse of removal only taking care that one has tightened down on the bolts mounting a fuel rail properly. After installation turn your ignition switch to ON without operating starter to activate the pump. Turn ignition ON/OFF several times checking for any leakage in fuel lines, fuel rail or injectors.

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