How to remove the Fuel Level Sensor and Fuel Pump on Buick LaCrosse?

To remove the fuel pump/fuel level sensor, start by relieving the system fuel pressure and equalizing tank pressure by removing the fuel filler cap. Then, disconnect the cable from the negative battery terminal and proceed to remove the fuel tank. Next, disconnect the electrical connector, fuel supply line, and EVAP hoses from the fuel pump/fuel level sensor, making sure to soak up any spilled fuel with a shop rag. Mark the orientation of the fuel pump in relation to the fuel tank for proper realignment during installation. Using large water pump pliers, unscrew the fuel pump/fuel level sensor locknut counterclockwise. If the locknut is tight, use a hammer and brass punch to loosen it, avoiding steel punches that could produce sparks. Carefully remove the pump assembly, being mindful not to damage the fuel level sensor float arm and float. Before installing the pump, remember to replace the O-ring. The installation process is the reverse of the removal steps.

How to check Fuel Pump on Buick LaCrosse?

The fuel pump check involves listening for the whirring sound made by the fuel pump when the ignition key is turned ON. If the pump does not come on, check the fuel pump fuse, relay, and wiring. If they all work, the fuel pump is likely defective. If the pump runs continuously, the PCM may be defective. Begin the engine and the gauge reading is compared to the proper pressure specifications. If the pressure is too low, there may be a faulty fuel inlet strainer or blockage in the fuel lines. If it is too high, replace the regulator. The key to the engine must be in the OFF position when checking the psi level. Any fuel leaks should be checked for and the system should be cleaned up.

How to remove the High Pressure Fuel Pump on Buick LaCrosse?

To remove the fuel pump, begin by relieving the fuel system pressure and disconnecting the negative battery terminal cable. Drain the cooling system and remove the thermostat housing. Disconnect the electrical connector and low-pressure fuel line from the pump. Use a wrench to unscrew the fuel line fittings from the pump and fuel rail.

Genuine Buick LaCrosse Fuel Pump

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25 Fuel Pumps found

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Buick LaCrosse Fuel Pump Assembly
Part Number: 12641847
$244.20 MSRP: $504.01
You Save: $259.81 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Assembly, Fuel ; Pump, Fuel Pump; Fuel Pump
- Replaces: 12639694, 12633423
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN | 4 Cyl 2.4L
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Buick LaCrosse Fuel Pump Assembly
Part Number: 12691016
$194.73 MSRP: $401.90
You Save: $207.17 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Assembly, Fuel; Fuel Pump
- Replaces: 12633594, 12677329, 12669005, 12733943, 12677328, 12641740, 12622475
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L
- 2010 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN | 6 Cyl 3.0L
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Buick LaCrosse Fuel Level Sensor Assembly
Part Number: 13512503
$39.42 MSRP: $119.63
You Save: $80.21 (68%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Fuel Level; Fuel Gauge Sending Unit, Level Sensor
- Replaced by: 19541082
- Replaces: 19208886, 13505180, 13581648
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2015 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit Without Fuel Level Sensor
Part Number: 13578371
$212.96 MSRP: $439.57
You Save: $226.61 (52%)
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Product Specifications
- Other Name: Module Kit, Fuel Tank Fuel Pump (W/O Fuel Level Se); Fuel Pump, Fuel Tank
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick LaCrosse Fuel Tank Fuel Pump Module KIT (Acdelco)
Part Number: 19351633
$261.57 MSRP: $493.51
You Save: $231.94 (47%)
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Product Specifications
- Other Name: Module Kit,F/Tnk F/Pmp (Acdelco)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L
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Buick LaCrosse Fuel Pump
Part Number: 12658552
$299.99 MSRP: $522.62
You Save: $222.63 (43%)
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Product Specifications
- Other Name: Pump,Fuel
- Replaces: 12626234, 12639260, 12614934, 12647344, 12634492, 12676667
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 6 Cyl 3.6L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit (Acdelco)
Part Number: 19301258
$330.64 MSRP: $623.83
You Save: $293.19 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Kit,Fuel Tank Fuel Pump (Acdelco)
- Replaces: 19210880
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Buick LaCrosse | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.8L
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Buick LaCrosse Fuel Pump Assembly
Part Number: 12672144
$190.48 MSRP: $343.20
You Save: $152.72 (45%)
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Product Specifications
- Other Name: Pump Assembly, Fuel; Fuel Pump
- Replaced by: 28290014
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Buick LaCrosse | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK | 4 Cyl 2.5L
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Buick LaCrosse Fuel Pump Assembly
Part Number: 12691088
$180.52 MSRP: $372.59
You Save: $192.07 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Assembly, Fuel; Fuel Pump
- Replaces: 12733944, 12647366, 12673750, 12673141
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK, 4 DOOR CXS EXT NOTCHBACK | 6 Cyl 3.6L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit (Without Fuel Level Se)
Part Number: 13578374
$174.50 MSRP: $329.24
You Save: $154.74 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Kit, Fuel Tank Fuel Pump (W/O Fuel Level Se); Fuel Pump
- Replaced by: 19541041
- Replaces: 13505208, 13505206
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick LaCrosse Fuel Tank Meter/Pump Sender
Part Number: 13505217
$84.34 MSRP: $174.07
You Save: $89.73 (52%)
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Product Specifications
- Other Name: Sender Asm,Auxiliary Fuel ; Sender, Fuel Tank Meter/Pump; Fuel Gauge Sending Unit, Sending Unit
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CXL 4 DOOR SEDAN | 6 Cyl 3.0L, 6 Cyl 3.6L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit Without Fuel Level Sensor
Part Number: 23120347
$291.54 MSRP: $601.75
You Save: $310.21 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Kit, Fuel Tank Fuel Pump (W/O Fuel Level Se); Fuel Pump, Sending Unit
- Replaces: 19179785, 19168390
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.8L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit (Acdelco)
Part Number: 19257809
$323.08 MSRP: $666.82
You Save: $343.74 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Kit,Fuel Tank Fuel Pump (Acdelco)
- Replaces: 19208883
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L
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Buick LaCrosse Fuel Pump MODULE
Part Number: 13578384
$144.72 MSRP: $296.10
You Save: $151.38 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Kit,Fuel
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit Without Fuel Level Sensor
Part Number: 13594131
$214.11 MSRP: $403.96
You Save: $189.85 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Kit, Fuel Tank Fuel Pump (W/O Fuel Level Se); Fuel Pump
- Replaces: 13578375
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN | 4 Cyl 2.4L
- 2010 Buick LaCrosse | CX 4 DOOR SEDAN | 4 Cyl 2.4L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit
Part Number: 19331943
$396.13 MSRP: $747.42
You Save: $351.29 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Kit,Fuel Tank Fuel Pump; Fuel Pump, Sending Unit
- Replaces: 19122342, 19122340, 88965402, 88965426, 19133580, 19152995, 19133582, 88965427
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Buick LaCrosse | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN) | 6 Cyl 3.6L, 6 Cyl 3.8L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit (Without Fuel Level Se)
Part Number: 23120337
$481.91 MSRP: $909.26
You Save: $427.35 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Kit, Fuel Tank Fuel Pump (W/O Fuel Level Se); Fuel Pump
- Replaces: 19257914, 19168396, 19179824
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.8L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit Without Fuel Level Sensor
Part Number: 13518163
$177.37 MSRP: $334.65
You Save: $157.28 (47%)
ADD TO CART
Product Specifications
- Other Name: Module Kit, Fuel Tank Fuel Pump (W/O Fuel Level Sensor); Fuel Pump, Fuel Tank
- Replaced by: 19541079
- Replaces: 13578379
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick LaCrosse Fuel Tank Fuel Pump Module Kit Without Fuel Level Sensor
Part Number: 13578372
$228.49 MSRP: $491.56
You Save: $263.07 (54%)
ADD TO CART
Product Specifications
- Other Name: Module Kit, Fuel Tank Fuel Pump (W/O Fuel Level Se); Fuel Pump
- Replaced by: 19541045
- Replaces: 13505204, 19208884, 19208939, 13505188
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L
- 2010-2011 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Fuel Tank Fuel Pump Module Kit Without Fuel Level Sensor
Part Number: 13578385
$246.75 MSRP: $465.57
You Save: $218.82 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Kit, F/Tnk F/Pmp (W/O Fuel Lvl Se); Fuel Pump
- Replaces: 13505213, 19208945
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CXL 4 DOOR SEDAN | 6 Cyl 3.0L, 6 Cyl 3.6L

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1-20 of 25 Results

Buick LaCrosse Fuel Pump

The Fuel Pump of the Buick LaCrosse moves the gasoline from the tank to a carburetor or a fuel injection system. This ensures that your engine burns clean and pressurized fuel. The first Buick LaCrosse models offered carbureted engines with a camshaft-driven mechanical Fuel Pump that was mounted on the engine. The lever and diaphragm would pull fuel at about 6 to 15 psi, not so high as to overwhelm the float bowl but more than adequate for a daily driver. As the line of LaCrosse moved towards the fuel-injected version, designers applied an in-tank electric Fuel Pump which now sits inside the sending unit. Being bathed in fuel for cooling, this new pump can develop 40 to 60 psi, the pressure the injectors require. Many of today's Buick owners enjoy the quieter operation and extra safety. Both types of equipment are designed to produce a constant flow. The differences are in location, pressure capability, and activation method. Mechanical units work only when the cam turns. Conversely, electric units get energized with a relay when there's a return signal from the monitored circuit. When the performance rating is stated in gallons or liters per hour, it allows the driver to match a Fuel Pump to the horsepower demand readily. If cranking fails, a quick check of the voltage supplied to the Fuel Pump confirms whether or not it's at fault.

Each OEM Buick LaCrosse Fuel Pump 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.

Buick LaCrosse Fuel Pump Parts Questions & Experts Answers

Fuel Pump
12658552
Q: How to remove the Fuel Level Sensor and Fuel Pump on Buick LaCrosse?
A:
To remove the fuel pump/fuel level sensor, start by relieving the system fuel pressure and equalizing tank pressure by removing the fuel filler cap. Then, disconnect the cable from the negative battery terminal and proceed to remove the Fuel Tank. Next, disconnect the electrical connector, fuel supply line, and EVAP hoses from the fuel pump/fuel level sensor, making sure to soak up any spilled fuel with a shop rag. Mark the orientation of the fuel pump in relation to the fuel tank for proper realignment during installation. Using large water pump pliers, unscrew the fuel pump/fuel level sensor locknut counterclockwise. If the locknut is tight, use a hammer and brass punch to loosen it, avoiding steel punches that could produce sparks. Carefully remove the pump assembly, being mindful not to damage the fuel level sensor float arm and float. Before installing the pump, remember to replace the O-ring. The installation process is the reverse of the removal steps.
Fuel Pump Assembly
12641847
Q: How to check Fuel Pump on Buick LaCrosse?
A:
The fuel pump check involves listening for the whirring sound made by the fuel pump when the ignition key is turned ON. If the pump does not come on, check the fuel pump fuse, relay, and wiring. If they all work, the fuel pump is likely defective. If the pump runs continuously, the PCM may be defective. Begin the engine and the gauge reading is compared to the proper pressure specifications. If the pressure is too low, there may be a faulty fuel inlet strainer or blockage in the fuel lines. If it is too high, replace the regulator. The key to the engine must be in the OFF position when checking the psi level. Any fuel leaks should be checked for and the system should be cleaned up.
Fuel Pump Assembly
12691016
Q: How to remove the High Pressure Fuel Pump on Buick LaCrosse?
A:
To remove the fuel pump, begin by relieving the fuel system pressure and disconnecting the negative battery terminal cable. Drain the cooling system and remove the thermostat housing. Disconnect the electrical connector and low-pressure fuel line from the pump. Use a wrench to unscrew the fuel line fittings from the pump and Fuel Rail.

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