How to replace the underhood fuse box on Buick LaCrosse?

The replacement of underhood electrical center or junction block requires starting with disconnection of the negative Battery Cable. The procedure begins with releasing the remote positive Battery Cable stud cover while repositioning it afterward. Subsequently remove the nut from this same cable lead that connects to the underhood accessory wiring junction block before moving the cable lead away from the junction block. First disconnect the coolant recovery tank hose retainer from the junction block before letting go of the 4 tabs holding the junction block to its retainer for block repositioning. The technician disconnects individual connectors from the junction block both for the instrument panel (I/P) wiring harness and loosens the bolts connecting engine and i/p and forward lamp wiring harness connectors before separating engine wiring harness, i/p wiring harness, and forward lamp wiring harness connectors from the junction block. The accessory wiring junction block retainer can be detached through a procedure involving releasing positive Battery Cable lead retainers from the junction block retainer, taking off the nut retaining the junction block retainer to the strut tower and lifting the junction block retainer to release its lower tab. The junction block retainer installation requires placing it against the strut tower then inserting its lower tab into the tower slot before securing the junction block retainer to the strut tower nut by torquing it to 3 n.m (27 lb in). Lead the positive Battery Cable through the slot of the junction block retainer while securing the retaining cables. Fasten the forward lamp wiring harness connector with the i/p wiring harness connector and Engine Wiring Harness Connector to the junction block by securing the retaining bolts at 7 n.m (62 lb in). Attach all i/p wiring harness individual connectors to the junction block then position the wiring harnesses with the accessory wiring junction block into the junction block retainer before aligning the 4 retaining tabs for block retention. First attach the retainer of the coolant recovery tank hose to the junction block before you install and tighten the positive Battery Cable lead to the junction block stud to a torque of 10 n.m (89 lb in). Place the remote positive Battery Cable stud cover while connecting back the negative Battery Cable.

OEM Buick LaCrosse Fuse Box

Fuse Holder Box

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

22 Fuse Boxes found

View related parts
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
View related parts
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
View related parts
Buick LaCrosse Fuse & Relay Box, Front Part Number: 20831466
$318.57 MSRP: $571.42
You Save: $252.85 (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
View related parts
Buick LaCrosse Fuse & Relay Box Part Number: 26212085
$182.96 MSRP: $287.83
You Save: $104.87 (37%)
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
View related parts
Buick LaCrosse Distribution Box Part Number: 84335370
$86.30 MSRP: $135.20
You Save: $48.90 (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
View related parts
Buick LaCrosse Junction Block Part Number: 84499606
$57.25 MSRP: $114.94
You Save: $57.69 (51%)
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
View related parts
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)
View related parts
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
View related parts
Buick LaCrosse Distribution Box Part Number: 84139184
$54.81 MSRP: $85.86
You Save: $31.05 (37%)
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)
View related parts
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

| Page 1 of 2 |Next >

1-20 of 22 Results

Buick LaCrosse Fuse Box

Want to cut long-term maintenance and repair costs? Choose OEM Fuse Box. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Buick LaCrosse parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Buick LaCrosse Fuse Box includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

Buick LaCrosse Fuse Box Parts and Q&A

Junction Block
15826039
Q: How to replace the underhood fuse box on Buick LaCrosse?
A:
The replacement of underhood electrical center or junction block requires starting with disconnection of the negative Battery Cable. The procedure begins with releasing the remote positive Battery Cable stud cover while repositioning it afterward. Subsequently remove the nut from this same cable lead that connects to the underhood accessory wiring junction block before moving the cable lead away from the junction block. First disconnect the coolant recovery tank hose retainer from the junction block before letting go of the 4 tabs holding the junction block to its retainer for block repositioning. The technician disconnects individual connectors from the junction block both for the instrument panel (I/P) wiring harness and loosens the bolts connecting engine and i/p and forward lamp wiring harness connectors before separating engine wiring harness, i/p wiring harness, and forward lamp wiring harness connectors from the junction block. The accessory wiring junction block retainer can be detached through a procedure involving releasing positive Battery Cable lead retainers from the junction block retainer, taking off the nut retaining the junction block retainer to the strut tower and lifting the junction block retainer to release its lower tab. The junction block retainer installation requires placing it against the strut tower then inserting its lower tab into the tower slot before securing the junction block retainer to the strut tower nut by torquing it to 3 n.m (27 lb in). Lead the positive Battery Cable through the slot of the junction block retainer while securing the retaining cables. Fasten the forward lamp wiring harness connector with the i/p wiring harness connector and Engine Wiring Harness Connector to the junction block by securing the retaining bolts at 7 n.m (62 lb in). Attach all i/p wiring harness individual connectors to the junction block then position the wiring harnesses with the accessory wiring junction block into the junction block retainer before aligning the 4 retaining tabs for block retention. First attach the retainer of the coolant recovery tank hose to the junction block before you install and tighten the positive Battery Cable lead to the junction block stud to a torque of 10 n.m (89 lb in). Place the remote positive Battery Cable stud cover while connecting back the negative Battery Cable.