How to replace the rear door opening Weather Strip on Buick LaCrosse?

The process of replacing the rear door opening weather strip begins by removing the lower center pillar trim through Center Pillar Lower Trim Panel Replacement and the rear quarter lower trim by performing Rear Quarter Lower Trim Panel Replacement. Start by pulling the weather strip from the pinch-weld flange at the center bottom position until it clears the door opening entirely. The new weather strip installation starts at the pinch-weld flange central bottom position followed by retainer and weather strip application to the flange while verifying complete seat of components before rear carpet retainer installation. The reinstallation order consists of the lower center pillar trim (Center Pillar Lower Trim Panel Replacement) followed by the rear quarter lower trim (Rear Quarter Lower Trim Panel Replacement). Check the door operation before finishing by closing the door.

How to replace the front door window belt inner Weather Strip on Buick LaCrosse?

Begin the replacement of the front door window belt inner sealing strip by taking out the front door trim panel followed by fully lowering the window. The technician will have to lift off the window belt inner sealing strip from its position on the pinch-weld flange. Install the new window belt inner sealing strip against the door flange by directing the front end beneath the window weather strip and door inner panel gap while keeping the rear end level with the window weather strip back leg. Apply pressure to the complete length of the sealing strip before conducting a window functioning check before you put back the front door trim panel.

OEM Buick LaCrosse Weather Strip

Door Weatherstripping

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78 Weather Strips found

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Buick LaCrosse Weatherstrip On Body, Driver Side Part Number: 23493716
$90.40 MSRP: $134.54
You Save: $44.14 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Weatherstrip, Door Weatherstrip; Door Seal; Weatherstrip
- Position: Driver Side
- Replaces: 20887853
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, 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 Run Weatherstrip, Rear Outer Passenger Side Part Number: 15807191
$118.05 MSRP: $297.04
You Save: $178.99 (61%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Weatherstrip Assembly-Rear Side Door Window Outer; Weatherstrip, Rear Door Window Frame; Weatherstrip
- Position: Passenger Side
- 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
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Buick LaCrosse Belt Weatherstrip, Rear Passenger Side Part Number: 20867209
$77.95 MSRP: $142.95
You Save: $65.00 (46%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sealing Strip, Rear Side Door Window Glass Running (Outer & Inner); Weatherstrip
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, 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 Front Weatherstrip Part Number: 26233816
$14.97 MSRP: $22.59
You Save: $7.62 (34%)
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Product Specifications
- Other Name: Weatherstrip Assembly-Hood Front; Weatherstrip, Hood Panel
- Position: Front
- Replaces: 26211196
- 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 Run Weatherstrip, Rear Outer Driver Side Part Number: 15807190
$126.36 MSRP: $188.92
You Save: $62.56 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Weatherstrip Assembly-Rear Side Door Window Outer; Weatherstrip, Rear Door Window Frame; Weatherstrip
- Position: Driver Side
- 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
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Buick LaCrosse Weatherstrip, Rear Part Number: 22762765
$143.19 MSRP: $214.08
You Save: $70.89 (34%)
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Product Specifications
- Other Name: Weatherstrip Assembly-Rear Compartment Lid; Weatherstrip, Rear Compartment Lid Or Tailgate
- Position: Rear
- Replaces: 20863986
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, 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 Run Weatherstrip Part Number: 25859682
$0.37 MSRP: $0.55
You Save: $0.18 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Weatherstrip, Side Door Window Glass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, 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 Belt Weatherstrip, Front Passenger Side Part Number: 26688193
$7.85 MSRP: $11.69
You Save: $3.84 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sealing Strip, Front Door Window Channel; Weatherstrip; Door Seal
- Position: Passenger Side
- 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 Belt Weatherstrip, Front Driver Side Part Number: 26688192
$7.85 MSRP: $11.69
You Save: $3.84 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sealing Strip, Front Door Window Channel; Weatherstrip; Door Seal
- Position: Driver Side
- 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 Rear Weatherstrip Part Number: 26700179
$9.83 MSRP: $14.64
You Save: $4.81 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Weatherstrip, Hood Panel; Weatherstrip
- Position: Rear
- 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 Belt Weatherstrip, Rear Passenger Side Part Number: 26688195
$11.11 MSRP: $16.54
You Save: $5.43 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sealing Strip, Rear Side Door Window Glass Running (Outer & Inner); Weatherstrip
- Position: Passenger Side
- 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 Belt Weatherstrip, Rear Driver Side Part Number: 26688194
$11.11 MSRP: $16.54
You Save: $5.43 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sealing Strip, Rear Side Door Window Glass Running (Outer & Inner); Weatherstrip
- Position: Driver Side
- 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 Rear Weatherstrip, Passenger Side Part Number: 26679893
$11.24 MSRP: $16.74
You Save: $5.50 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Weatherstrip Assembly-Rear Side Door Below Belt Rear Auxiliary; Weatherstrip, Door Weatherstrip; Weatherstrip
- Position: Passenger Side
- 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 Rear Weatherstrip, Driver Side Part Number: 26679892
$11.24 MSRP: $16.74
You Save: $5.50 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Weatherstrip Assembly-Rear Side Door Below Belt Rear Auxiliary; Weatherstrip, Door Weatherstrip; Weatherstrip
- Position: Driver Side
- 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 Belt Weatherstrip, Rear Driver Side Part Number: 20867208
$12.07 MSRP: $17.97
You Save: $5.90 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sealing Strip, Rear Side Door Window Glass Running (Outer & Inner); Weatherstrip
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, 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 Fixed Glass Side Seal, Passenger Side Part Number: 20805904
$16.46 MSRP: $24.50
You Save: $8.04 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal, Roof Vent (Window); Seal, Roof Vent(Window)
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, 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 Rear Weatherstrip, Passenger Side Part Number: 20921784
Product Specifications
- Other Name: Sealing Strip, Door Weatherstrip; Weatherstrip
- Position: Passenger Side
- Replaces: 20830794
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, 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 Rear Weatherstrip Part Number: 10250195
Product Specifications
- Other Name: Weatherstrip, Hood Panel; Weatherstrip
- Position: Rear
- 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
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Buick LaCrosse Lower Weatherstrip, Driver Side Part Number: 20830939
Product Specifications
- Other Name: Weatherstrip, Side Door Opening; Weatherstrip, Door Weatherstrip
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, 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 Sealing Strip Part Number: 10415944
Product Specifications
- Other Name: Sealing Strip, Windshield; Lower Seal Strip
- Replaces: 10409094
- 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

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Buick LaCrosse Weather Strip

Want to cut long-term maintenance and repair costs? Choose OEM Weather Strip. 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 Weather Strip 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.

One generally vital product that increases the dependability and effectiveness of the Buick LaCrosse automobiles is the Buick LaCrosse Weather Strip. The purpose of this component is to cover the gaps in the door, window, and roof rail; thus, the Weather Strip would not allow water or air to enter the cabin spoiling the feel of the car. This LaCrosse weather strip is made from rubber or silicone that is strong and does not degrade easily due to excess heat, cold or any car liquids thus can serve for many models of LaCrosse car for a long time. Being suited to both the first and second generation LaCrosse vehicles it is a crucial component of the vehicle's structure and performance. Aside from improving vehicular performance through the dampening of noises and exclusion of water, the discharging of duty by a Weather Strip is vital in safety as it assures the maintenance of a tightly enclosed cabin space. Various characteristics like; Some of the features are additional coating whereby the Buick LaCrosse Weather Strip has features that resist chemicals and UV radiation differentiate this car from the other automobiles in the automotive industry. Combining the elimination of well-known problems such as cracks and gaps that let light and air in, the Weather Strip positively influences the durability and dependability of the Buick LaCrosse. Altogether, it can be stated that the Buick LaCrosse Weather Strip is critical to improving the functionality, safety, and reliability of all Buick LaCrosse automobiles, placing the component among aesthetically pleasing and efficacious inventions in the automotive industry.

Buick LaCrosse Weather Strip Parts and Q&A

Weatherstrip
10331659
Q: How to replace the rear door opening Weather Strip on Buick LaCrosse?
A:
The process of replacing the rear door opening weather strip begins by removing the lower center pillar trim through Center Pillar Lower Trim Panel Replacement and the rear quarter lower trim by performing Rear Quarter Lower Trim Panel Replacement. Start by pulling the weather strip from the pinch-weld flange at the center bottom position until it clears the door opening entirely. The new weather strip installation starts at the pinch-weld flange central bottom position followed by retainer and weather strip application to the flange while verifying complete seat of components before rear carpet retainer installation. The reinstallation order consists of the lower center pillar trim (Center Pillar Lower Trim Panel Replacement) followed by the rear quarter lower trim (Rear Quarter Lower Trim Panel Replacement). Check the door operation before finishing by closing the door.
Inner Weatherstrip, Front
15906271
Q: How to replace the front door window belt inner Weather Strip on Buick LaCrosse?
A:
Begin the replacement of the front door window belt inner sealing strip by taking out the front door trim panel followed by fully lowering the window. The technician will have to lift off the window belt inner sealing strip from its position on the pinch-weld flange. Install the new window belt inner sealing strip against the door flange by directing the front end beneath the window weather strip and door inner panel gap while keeping the rear end level with the window weather strip back leg. Apply pressure to the complete length of the sealing strip before conducting a window functioning check before you put back the front door trim panel.