How to replace the fuel injector and fuel rail on Buick LaCrosse?

The replacement process for Fuel Injector and Fuel Rail begins with decreasing fuel system pressure using ch 48027 or without using it according to application requirements. The first step requires removing the upper Intake Manifold. First detach the retaining clip which holds the fuel pipe and then disconnect the fuel feed pipe from the Fuel Injector rail. Compressed air should be directed through the Intake Manifold opening to eliminate any remaining debris in that area. Before removing the Fuel Rail bolts you must protect the injector electrical connector terminals and spray tips then support the Fuel Rail during the extraction process. Adequately cap all fittings together with plugging the holes will prevent contamination. The procedure requires you to take out the Fuel Rail carrying fuel injectors before disconnecting their electrical connectors and unclipping the electrical connector lock. You should discard the seals along with removing the Fuel Injector retainer clip and the Fuel Injector. The installation process should include retention of fresh Fuel Injector seals before fitting the Fuel Injector while fastening it with the retainer clip. Connect the electrical connector of the Fuel Injector while activating the lock mechanism. Fasten the Fuel Rail with installed fuel injectors while tightening each Fuel Rail bolt to 10 n.m (89 lb in). After installing the retaining clip to the fuel pipe first you can connect it to the Fuel Rail for the final step of upper Intake Manifold reinstallation.

OEM Buick LaCrosse Fuel Rail

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11 Fuel Rails found

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Buick LaCrosse Fuel Rail
Part Number: 12629929
$147.45 MSRP: $299.50
You Save: $152.05 (51%)
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Product Specifications
- Other Name: Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016, 2010 Buick LaCrosse | Base, Convenience, CX, CXL, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuel Rail
Part Number: 12623366
$151.28 MSRP: $297.74
You Save: $146.46 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX, CXL, CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuel Rail
Part Number: 12623365
$163.31 MSRP: $295.58
You Save: $132.27 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX, CXL, CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuel Rail
Part Number: 12608366
$175.03 MSRP: $328.70
You Save: $153.67 (47%)
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Product Specifications
- Other Name: Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, Convenience, CX, CXL, Leather, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Fuel Rail
Part Number: 12701658
$168.62 MSRP: $302.46
You Save: $133.84 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12668188
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016, 2010 Buick LaCrosse | Base, Convenience, CX, CXL, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuel Rail
Part Number: 12706269
$115.00 MSRP: $180.94
You Save: $65.94 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12671079
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuel Rail
Part Number: 12709433
$115.57 MSRP: $207.30
You Save: $91.73 (45%)
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12671078
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuel Rail
Part Number: 12654644
$222.68 MSRP: $418.18
You Save: $195.50 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12627090
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Buick LaCrosse | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Fuel Rail
Part Number: 12596571
$147.57 MSRP: $267.11
You Save: $119.54 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12594224
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2008 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuel Rail
Part Number: 12593604
$252.28 MSRP: $512.37
You Save: $260.09 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rail Kit, Fuel Injection; Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
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Buick LaCrosse Fuel Rail
Part Number: 12579128
Product Specifications
- Other Name: Rail Kit-Multiport Fuel Injection Fuel; Rail Kit, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS

Buick LaCrosse Fuel Rail

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Buick LaCrosse Fuel Rail Parts Questions & Experts Answers

Fuel Rail
12596571
Q: How to replace the fuel injector and fuel rail on Buick LaCrosse?
A: The replacement process for Fuel Injector and Fuel Rail begins with decreasing fuel system pressure using ch 48027 or without using it according to application requirements. The first step requires removing the upper Intake Manifold. First detach the retaining clip which holds the fuel pipe and then disconnect the fuel feed pipe from the Fuel Injector rail. Compressed air should be directed through the Intake Manifold opening to eliminate any remaining debris in that area. Before removing the Fuel Rail bolts you must protect the injector electrical connector terminals and spray tips then support the Fuel Rail during the extraction process. Adequately cap all fittings together with plugging the holes will prevent contamination. The procedure requires you to take out the Fuel Rail carrying fuel injectors before disconnecting their electrical connectors and unclipping the electrical connector lock. You should discard the seals along with removing the Fuel Injector retainer clip and the Fuel Injector. The installation process should include retention of fresh Fuel Injector seals before fitting the Fuel Injector while fastening it with the retainer clip. Connect the electrical connector of the Fuel Injector while activating the lock mechanism. Fasten the Fuel Rail with installed fuel injectors while tightening each Fuel Rail bolt to 10 n.m (89 lb in). After installing the retaining clip to the fuel pipe first you can connect it to the Fuel Rail for the final step of upper Intake Manifold reinstallation.