How to replace the underhood fuse box on Buick LaCrosse?

The replacement of an underhood electrical center requires beginning with disconnecting the negative Battery Cable. Animal verses the positive cable nut inside the underhood junction block cover to remove its positive Battery Cable nut and move the cable somewhere far from the block. Through the tabs you should pull out the junction block from its housing while using a screwdriver to disconnect all engine and forward lamp wiring harness connectors from the junction block. The necessity to extract the junction block housing requires unbolting its nuts followed by raising the housing to free its tab from the strut tower before removing the housing from the vehicle. The junction block installation requires users to position the housing across the strut tower after inserting the lower tab into the tower slot. Next, install and tighten junction block housing studs on strut tower studs to 3 n.m (27 lb in). Tighten all engine, ip and forward lamp wiring harness connector bolts to the junction block until they reach 10 n.m (89 lb in). Synchronize the housing tabs with the junction block before securing it within position. Apply the positive Battery Cable lead to the junction block stud before securing it with the positive cable lead nut and tightening the nut to 16 n.m (12 lb ft). To complete the procedure return the cover to the junction block and restore power to the negative Battery Cable and secure it in place.

OEM Buick LaCrosse Fuse Box

Fuse Holder Box

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22 Fuse Boxes found

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Buick LaCrosse Fuse & Relay Box
Part Number: 20922936
$99.90 MSRP: $132.28
You Save: $32.38 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Block, Main Wiring Junction And Fuse Block; Junction Boxes; Fuse Box
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2012 Buick LaCrosse | Base, Convenience, CX, CXL, CXS, Leather, Premium, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuse & Relay Box, Front
Part Number: 20922940
$76.83 MSRP: $254.34
You Save: $177.51 (70%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011 Buick LaCrosse | CX, CXL | 4 Cyl 2.4 L GAS
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Buick LaCrosse Fuse & Relay Box, Front
Part Number: 20831466
$292.26 MSRP: $524.24
You Save: $231.98 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010 Buick LaCrosse | 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 LaCrosse Distribution Box
Part Number: 84139184
$54.81 MSRP: $85.86
You Save: $31.05 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Battery Distribution Fuse; Block, Main Wiring Junction And Fuse Block
- Replaces: 23359001
- 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 Fuse & Relay Box
Part Number: 26212085
$167.85 MSRP: $264.06
You Save: $96.21 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Block; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- 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 | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
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Buick LaCrosse Distribution Box
Part Number: 84335370
$79.17 MSRP: $124.04
You Save: $44.87 (37%)
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Battery Distribution Fuse; Block, Main Wiring Junction And Fuse Block
- Replaces: 26698299, 84139183
- 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 Junction Block
Part Number: 84499606
$67.32 MSRP: $105.45
You Save: $38.13 (37%)
ADD TO CART
Product Specifications
- Other Name: Block Assembly-Battery Distribution Engine Compartment Fuse; Junction Boxes; Relay Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Replaces: 20914309, 13358924, 25918134
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, Convenience, CX, CXL, CXS, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Fuse & Relay Box, Front
Part Number: 20831465
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010 Buick LaCrosse | CX, CXL, CXS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS
View related parts
Buick LaCrosse Fuse & Relay Box
Part Number: 20781773
Product Specifications
- Other Name: Block, Wiring Junction; Junction Boxes; Fuse Box
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2012 Buick LaCrosse | Base, Convenience, CX, CXL, CXS, Leather, Premium, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
View related parts
Buick LaCrosse Fuse & Relay Box, Front
Part Number: 22873730
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Replaces: 22739300
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012 Buick LaCrosse | Base, Convenience, Leather | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
View related parts
Buick LaCrosse Fuse & Relay Box
Part Number: 90767240
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Fuse & Relay Box, Front
Part Number: 20922925
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012 Buick LaCrosse | Base, Convenience, Leather, Premium, Touring | 6 Cyl 3.6 L FLEX
View related parts
Buick LaCrosse Junction Block
Part Number: 25918681
Product Specifications
- Other Name: Block Assembly-Accessory Wiring Junction; Junction Boxes; Relay Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Replaces: 15812628, 25790580
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2009 Buick LaCrosse | CX, CXL, CXS | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS
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Buick LaCrosse Fuse & Relay Box, Front
Part Number: 20994160
$188.55 MSRP: $338.20
You Save: $149.65 (45%)
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Replaces: 20922937
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011 Buick LaCrosse | CX, CXL, CXS | 6 Cyl 3.6 L GAS
View related parts
Buick LaCrosse Fuse & Relay Box, Front
Part Number: 22928789
$208.84 MSRP: $328.60
You Save: $119.76 (37%)
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013 Buick LaCrosse | Base, Leather | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
View related parts
Buick LaCrosse Junction Block
Part Number: 10320101
$388.30 MSRP: $610.97
You Save: $222.67 (37%)
Product Specifications
- Other Name: Block Assembly-Accessory Wiring Junction; Junction Boxes; Relay Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Buick LaCrosse | CX, CXL, CXS | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS
View related parts
Buick LaCrosse Fuse & Relay Box
Part Number: 25901661
Product Specifications
- Other Name: Block, Main Wiring Junction And Fuse Block; Junction Boxes; Fuse Box
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010 Buick LaCrosse | CX, CXL, CXS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS
View related parts
Buick LaCrosse Junction Block
Part Number: 15826039
Product Specifications
- Other Name: Block Assembly-Accessory Wiring Junction; Junction Boxes; Relay Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
View related parts
Buick LaCrosse Fuse & Relay Box
Part Number: 90767242
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
View related parts
Buick LaCrosse Fuse & Relay Box
Part Number: 90767246
Product Specifications
- Other Name: Block Assembly-Front Compartment Fuse; Junction Boxes; Fuse Box; Block, Main Wiring Junction And Fuse Block
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS

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Buick LaCrosse Fuse Box

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Buick LaCrosse Fuse Box Parts Questions & Experts Answers

Junction Block
25918680
Q: How to replace the underhood fuse box on Buick LaCrosse?
A: The replacement of an underhood electrical center requires beginning with disconnecting the negative Battery Cable. Animal verses the positive cable nut inside the underhood junction block cover to remove its positive Battery Cable nut and move the cable somewhere far from the block. Through the tabs you should pull out the junction block from its housing while using a screwdriver to disconnect all engine and forward lamp wiring harness connectors from the junction block. The necessity to extract the junction block housing requires unbolting its nuts followed by raising the housing to free its tab from the strut tower before removing the housing from the vehicle. The junction block installation requires users to position the housing across the strut tower after inserting the lower tab into the tower slot. Next, install and tighten junction block housing studs on strut tower studs to 3 n.m (27 lb in). Tighten all engine, ip and forward lamp wiring harness connector bolts to the junction block until they reach 10 n.m (89 lb in). Synchronize the housing tabs with the junction block before securing it within position. Apply the positive Battery Cable lead to the junction block stud before securing it with the positive cable lead nut and tightening the nut to 16 n.m (12 lb ft). To complete the procedure return the cover to the junction block and restore power to the negative Battery Cable and secure it in place.

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