How to replace the fuel tank module on Buick LaCrosse?

It is essential to replace the Fuel Tank module by disconnecting the fuel sender module electrical connectors despite taking proper precautions to protect the fuel pipes from contact damage. Use the fuel sender lock ring wrench j 45722 to decouple the fuel sender lock ring clockwise while securing the Fuel Tank to stop rotation and abstaining from the use of impact tools. Discard the fuel sender seal while you separate the fuel sender lock ring and remove both components from the fuel sender module. A replacement lock ring needs to be installed whenever the flatness measurement of the ring exceeds 0.41 mm (0.016 in). The installation of the new fuel sender seal must begin with inserting it properly into the Fuel Tank seal groove before adding the fuel sender followed by the lock ring. Secure the lock ring with the fuel sender lock ring wrench (J 45722) by turning it clockwise to the upper position. To complete the procedure you need to reconnect both fuel pipes and fuel sender sensor electrical connectors before installing the Fuel Tank.

How to replace the fuel tank module on Buick Enclave?

The first step of Fuel Tank module replacement demands safety precautions that start with securing fuel line fittings with shop cloth before utilizing a suitable fuel collection container. Ensure your cleanup of all fuel pipe connections includes cleaning the hose terminals to stop any source of contamination. Begin the work by getting a new Fuel Tank module seal. Begin the replacement process by detaching the Fuel Tank followed by the removal of the fuel pump fuel feed line quick connect fitting along with the evaporative emission (EVAP) canister vent front pipe quick connect fitting present on the Fuel Tank module. First move the fuel lines to an alternative position then disconnect the electrical connectors that come from the Fuel Tank pressure sensor and Fuel Tank module. The Fuel Tank module lock ring installation requires a j 45722 tool which should be fitted without striking tools to hold the Fuel Tank steady while preventing rotation. The lock ring should be rotated counterclockwise to unlock before it can be unbolted. Lift the module with caution to view the fuel level sensor float arm as you tilt its position to avoid object interference while removing it from the tank opening. Drain the fuel from the module reservoir bucket into a proper container before taking out the Fuel Tank module seal. The procedure requires separation of the fuel level sensor. Check for any damage on the lock ring. Replace this component if its warpage reaches or surpasses 0.41 mm which equals 0.016 in. Install the fuel level sensor if needed before putting on a fresh Fuel Tank module seal to the Fuel Tank. Position the module at an angle to clear float arm obstruction while you insert it into the tank structure. Finally, install and positiontable the locking ring. Connect the fuel sender wiring harness electrical connectors to their respective modules following a clockwise lock of the ring using j 45722. Install the Fuel Tank module by reattaching the evap canister vent along with the front pipe as well as the fuel pump feed line quick connect fittings.

OEM Buick Fuel Tank

Gas Tank

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57 Fuel Tanks found

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Buick Fuel Tank Part Number: 13247863
$483.15 MSRP: $737.74
You Save: $254.59 (35%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank, Fuel
Fits the following Buick Models:
- LaCrosse | 2010 | CX, CXL, CXS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS
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Buick Fuel Tank Part Number: 85138839
$782.15 MSRP: $1174.43
You Save: $392.28 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank, Fuel
- Replaced by: 85743892
Fits the following Buick Models:
- Enclave | 2018-2020 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Fuel Tank Part Number: 84760125
$820.13 MSRP: $1231.46
You Save: $411.33 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank Kit, Fuel
- Replaced by: 42828709
Fits the following Buick Models:
- Regal Sportback | 2020 | Avenir, Base, Essence, GS, Preferred | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Regal TourX | 2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Fuel Tank Part Number: 85123711
$858.36 MSRP: $1288.86
You Save: $430.50 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank Kit, Fuel
- Replaced by: 42846552
- Replaces: 84446350, 84525442, 85117382, 84931275, 84598272
Fits the following Buick Models:
- Envision | 2021 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Fuel Tank Part Number: 23247270
$930.89 MSRP: $1397.73
You Save: $466.84 (34%)
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Product Specifications
- Other Name: Tank, Fuel
- Replaced by: 84666904
Fits the following Buick Models:
- Envision | 2016-2017 | Base, Essence, Preferred, Premium | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Fuel Tank Part Number: 86779198
$862.47 MSRP: $1295.03
You Save: $432.56 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tank Kit, Fuel
- Replaced by: 85091032
- Replaces: 84940679, 84446349, 84525441
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Fuel Tank Part Number: 42779252
$333.28 MSRP: $498.28
You Save: $165.00 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank, Fuel
- Replaced by: 42935045
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Fuel Tank Part Number: 84507517
$797.73 MSRP: $1197.79
You Save: $400.06 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank Kit, Fuel
- Replaces: 23151165, 84457348, 84017666
Fits the following Buick Models:
- LaCrosse | 2017-2018 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
- Regal Sportback | 2018-2019 | Avenir, Base, Essence, GS, Preferred, Preferred II | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Regal TourX | 2018-2019 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Fuel Tank Part Number: 42783761
$288.04 MSRP: $430.55
You Save: $142.51 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank, Fuel
- Replaced by: 42935047
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Fuel Tank Part Number: 84343947
$819.28 MSRP: $1230.18
You Save: $410.90 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank Kit, Fuel
Fits the following Buick Models:
- Regal Sportback | 2020 | Avenir, Base, Essence, GS, Preferred | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Regal TourX | 2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Fuel Tank Part Number: 85138842
$914.44 MSRP: $1373.03
You Save: $458.59 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank, Fuel
- Replaced by: 85743893
Fits the following Buick Models:
- Enclave | 2020-2021 | Avenir, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Fuel Tank Part Number: 15229311
$635.26 MSRP: $953.85
You Save: $318.59 (34%)
Product Specifications
- Other Name: Tank, Fuel
Fits the following Buick Models:
- Rainier | 2004 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Fuel Tank Part Number: 25973153
Product Specifications
- Other Name: Tank, Fuel
- Replaces: 15236132
Fits the following Buick Models:
- Rainier | 2005-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Fuel Tank Part Number: 15231628
Product Specifications
- Other Name: Tank, Fuel
Fits the following Buick Models:
- Rainier | 2004 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Fuel Tank Part Number: 10218495
Product Specifications
- Other Name: Tank, Fuel
- Replaces: 10207964
Fits the following Buick Models:
- Roadmaster | 1992-1996 | Base, Collector's Edition, Limited, Limited Collector's Edition | 8 Cyl 5.7 L GAS
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Buick Fuel Tank Part Number: 22555664
Product Specifications
- Other Name: Tank, Fuel; Tank Assembly; Tank
Fits the following Buick Models:
- Skyhawk | 1984-1989 | Custom, Limited, SE, Sport, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Skylark | 1985-1991 | Base, Custom, Gran Sport, Limited, Luxury Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Somerset | 1986-1987 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- Somerset Regal | 1985 | Base, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
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Buick Fuel Tank Part Number: 22505822
Product Specifications
- Other Name: Tank, Fuel
Fits the following Buick Models:
- Regal | 1984 | Base, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
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Buick Fuel Tank Part Number: 22527443
Product Specifications
- Other Name: Tank, Fuel; Tank Assembly
Fits the following Buick Models:
- Electra | 1984-1989 | Estate Wagon | 8 Cyl 5.0 L GAS
- LeSabre | 1984-1990 | Collector's Edition, Custom, Estate Wagon, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS
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Buick Fuel Tank Part Number: 25744936
Product Specifications
- Other Name: Tank, Fuel
- Replaces: 25696213
Fits the following Buick Models:
- LeSabre | 2000 | Custom, Limited | 6 Cyl 3.8 L GAS
View related parts
Buick Fuel Tank Part Number: 25635148
Product Specifications
- Other Name: Tank, Fuel (W/O Sender); Tank Assembly; Tank, Fuel
Fits the following Buick Models:
- Electra | 1985-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
- LeSabre | 1986-1988 | Base, Custom, Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS

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Buick Fuel Tank

Choose OEM Fuel Tank, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsGiant.com, you'll find it easy to get top-quality OEM Buick Fuel Tank. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Fuel Tank Parts and Q&A

Fuel Tank
22878267
Q: How to replace the fuel tank module on Buick LaCrosse?
A:
It is essential to replace the Fuel Tank module by disconnecting the fuel sender module electrical connectors despite taking proper precautions to protect the fuel pipes from contact damage. Use the fuel sender lock ring wrench j 45722 to decouple the fuel sender lock ring clockwise while securing the Fuel Tank to stop rotation and abstaining from the use of impact tools. Discard the fuel sender seal while you separate the fuel sender lock ring and remove both components from the fuel sender module. A replacement lock ring needs to be installed whenever the flatness measurement of the ring exceeds 0.41 mm (0.016 in). The installation of the new fuel sender seal must begin with inserting it properly into the Fuel Tank seal groove before adding the fuel sender followed by the lock ring. Secure the lock ring with the fuel sender lock ring wrench (J 45722) by turning it clockwise to the upper position. To complete the procedure you need to reconnect both fuel pipes and fuel sender sensor electrical connectors before installing the Fuel Tank.
Fuel Tank
20953811
Q: How to replace the fuel tank module on Buick Enclave?
A:
The first step of Fuel Tank module replacement demands safety precautions that start with securing fuel line fittings with shop cloth before utilizing a suitable fuel collection container. Ensure your cleanup of all fuel pipe connections includes cleaning the hose terminals to stop any source of contamination. Begin the work by getting a new Fuel Tank module seal. Begin the replacement process by detaching the Fuel Tank followed by the removal of the fuel pump fuel feed line quick connect fitting along with the evaporative emission (EVAP) canister vent front pipe quick connect fitting present on the Fuel Tank module. First move the fuel lines to an alternative position then disconnect the electrical connectors that come from the Fuel Tank pressure sensor and Fuel Tank module. The Fuel Tank module lock ring installation requires a j 45722 tool which should be fitted without striking tools to hold the Fuel Tank steady while preventing rotation. The lock ring should be rotated counterclockwise to unlock before it can be unbolted. Lift the module with caution to view the fuel level sensor float arm as you tilt its position to avoid object interference while removing it from the tank opening. Drain the fuel from the module reservoir bucket into a proper container before taking out the Fuel Tank module seal. The procedure requires separation of the fuel level sensor. Check for any damage on the lock ring. Replace this component if its warpage reaches or surpasses 0.41 mm which equals 0.016 in. Install the fuel level sensor if needed before putting on a fresh Fuel Tank module seal to the Fuel Tank. Position the module at an angle to clear float arm obstruction while you insert it into the tank structure. Finally, install and positiontable the locking ring. Connect the fuel sender wiring harness electrical connectors to their respective modules following a clockwise lock of the ring using j 45722. Install the Fuel Tank module by reattaching the evap canister vent along with the front pipe as well as the fuel pump feed line quick connect fittings.