How to replace the rear transfer case output shaft seal with a new transfer case seal on Buick Rainier?

You need to start by jacking up the vehicle then removing its rear propeller shaft before proceeding. Inspection of the rear output shaft bushing should follow the removal of the rear output shaft seal. Check for any signs of scoring or wear during this step. Rephrase this procedure with the transfer case rear bushing remover and installer (J 45380). Begin by setting the finger section of this tool in front of the bushing then attach the tube and forcing screw to the finger section. Finish by rotating the forcing screw with a wrench to remove the bushing. To mount the new output shaft bushing professionals should use the j 45380 by positioning the tool and bushing into the case while hammering them together for security. Install the rear output shaft seal with the output shaft seal installer (J 37668-A) when ready. Reinstall the rear propeller shaft before checking the transfer case fluid level then lower the vehicle.

OEM Buick Transfer Case Seal

Transfer Case Output Shaft Seal

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16 Transfer Case Seals found

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Buick Extension Seal, Rear Part Number: 88935685
$73.42 MSRP: $120.93
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Product Specifications
- Other Name: Seal, Transfer Case Rear Output Shaft; Transfer Case Gasket; Seal, Transfer Case
- Position: Rear
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Extension Housing Seal, Front Part Number: 8673526
$6.74 MSRP: $10.80
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Product Specifications
- Other Name: Seal, Propeller Shaft Front Slip Yoke Oil; Automatic Transmission Extension Housing Seal; Transmission Seal; Seal, Transmission Rear Main Bearing; Overdrive Clutch; Rear Bearing Retaining; Extension; Transfer Case
- Position: Front
Fits the following Buick Models:
- Roadmaster | 1991-1995 | Base, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Buick Extension Housing Seal, Rear Part Number: 24232325
$14.64 MSRP: $24.12
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Product Specifications
- Other Name: Seal, Rear Bearing Retaining; Automatic Transmission Extension Housing Seal; Transmission Seal; Seal, Transmission Rear Main Bearing; Seal, Transmission Extension
- Position: Rear
- Replaces: 24201470
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Extension Housing Seal, Rear Part Number: 24232324
$12.30 MSRP: $20.27
You Save: $7.97 (40%)
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Product Specifications
- Other Name: Seal, Rear Bearing Retaining; Automatic Transmission Extension Housing Seal; Transmission Seal; Seal, Transmission Rear Main Bearing; Seal, Transmission Extension
- Position: Rear
- Replaces: 24204540
Fits the following Buick Models:
- Roadmaster | 1996 | Collector's Edition, Estate Wagon Collector's Edition, Limited Collector's Edition | 8 Cyl 5.7 L GAS
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Buick Oil Slinger Seal Part Number: 23321677
$0.60 MSRP: $0.95
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Product Specifications
- Other Name: Seal, Propeller Shaft To Differential Carrier Interface (O Ring); Retainer, Differential Clutch; Seal, Differential Clutch; Seal, Transfer Case
- Replaces: 23269752
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 Adapter Gasket Part Number: 84703592
$8.04 MSRP: $12.61
You Save: $4.57 (37%)
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Product Specifications
- Other Name: Seal, Transfer Case
- Replaces: 23432722
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Output Shaft Seal Part Number: 84681932
$31.84 MSRP: $52.46
You Save: $20.62 (40%)
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Product Specifications
- Other Name: Seal-Power Transfer U Output Shaft; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal; Seal, Transfer Case
- Replaced by: 85732461
- Replaces: 23432724, 84585185
Fits the following Buick Models:
- Envision | 2016-2021 | Avenir, Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Output Shaft Seal Part Number: 84666372
$37.86 MSRP: $62.37
You Save: $24.51 (40%)
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Product Specifications
- Other Name: Seal-Power Transfer U Output Shaft; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal; Seal, Transfer Case
Fits the following Buick Models:
- Encore GX | 2021-2023 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Input Shaft Seal Part Number: 84601624
$151.25 MSRP: $240.14
You Save: $88.89 (38%)
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Product Specifications
- Other Name: Seal Kit, Power Transfer U Intermediate Drive Shaft; Automatic Transmission Seals.
- Replaced by: 85634029
Fits the following Buick Models:
- Enclave | 2018-2021 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Output Shaft Seal Part Number: 84501584
$30.58 MSRP: $48.54
You Save: $17.96 (37%)
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Product Specifications
- Other Name: Seal-Power Transfer U Output Shaft; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal; Seal, Transfer Case
Fits the following Buick Models:
- Encore GX | 2020 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Input Shaft Seal Part Number: 84501576
$42.80 MSRP: $70.50
You Save: $27.70 (40%)
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Product Specifications
- Other Name: Seal, Transfer Case; Automatic Transmission Input Shaft Seal; Transfer Case Input Shaft Seal
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 Input Shaft Seal Part Number: 84297549
$2.32 MSRP: $3.63
You Save: $1.31 (37%)
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Product Specifications
- Other Name: Seal-Power Transfer U Face; Automatic Transmission Input/Transfer Case Shaft Seals.; Seal, Transfer Case
- Replaces: 23432719
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Adapter Gasket Part Number: 55579921
$9.18 MSRP: $15.13
You Save: $5.95 (40%)
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Product Specifications
- Other Name: Seal, Transfer Case; Transfer Case Adapter Seal
Fits the following Buick Models:
- Encore | 2013-2020 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Output Shaft Seal Part Number: 42419031
$17.66 MSRP: $29.09
You Save: $11.43 (40%)
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Product Specifications
- Other Name: Seal, Transfer Case; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal
- Position: Rear
- Replaces: 55579992
Fits the following Buick Models:
- Encore | 2013-2020 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Output Shaft Seal Part Number: 23432721
$31.12 MSRP: $49.40
You Save: $18.28 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal, Transfer Case; Automatic Transmission Output/Input Shaft Seals
- Replaced by: 85732462
Fits the following Buick Models:
- Envision | 2016-2021 | Avenir, Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Input Shaft Seal Part Number: 19260629
$20.32 MSRP: $32.26
You Save: $11.94 (38%)
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Product Specifications
- Other Name: Seal, Transfer Case; Automatic Transmission Input Shaft Seal; Transfer Case Input Shaft Seal; Seal Kit, Transfer Case
- Position: Front
Fits the following Buick Models:
- Encore | 2013-2020 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS

Buick Transfer Case Seal

Choose OEM Transfer Case Seal, 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 ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Transfer Case Seal. 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 Transfer Case Seal helps to retain the fluid in the drives of the car where it is needed to ensure no difficulties in the daily operations of the vehicle. With more than 100 years of experience integrating soft ride comfort, serene interiors, and sure-footed road manners, Buick has demonstrated that contemporary technology still can be paired with the easy-going attitude that owners look for when they see the name on the car. Since the early 1903 runabouts, the brand promises a positive move without losing its carefree DNA and moving forward to the futuristic Wildcat EV concept. Buyers can see the quiet silence at highway velocity, the plain looking dashboards, which prefer clear gauges to flashing gimmicks and how the suspension tuning effortlessly handles potholes and confidently negotiates turns, characteristics that make long trips seem short. Transfer Case Seal is installed between the transfer case and driveshaft housing and it can seal transmission fluid in the case and keep road splash and grit out, thus the gears can keep cool, bearings can keep oiled and torque routing can remain crisp even after years of stop and go commutes or roadside freeze blasts. Once a Transfer Case Seal has solidified, the fluid leaks, movements become jagged, and the only thing to do is easily change it before collateral damage can begin to multiply. Ordinary motorists like the fact that Buick transforms that small circle of rubber into serenity every mile.

Buick Transfer Case Seal Parts and Q&A

Extension Seal, Rear
88935685
Q: How to replace the rear transfer case output shaft seal with a new transfer case seal on Buick Rainier?
A:
You need to start by jacking up the vehicle then removing its rear propeller shaft before proceeding. Inspection of the rear output shaft bushing should follow the removal of the rear output shaft seal. Check for any signs of scoring or wear during this step. Rephrase this procedure with the transfer case rear bushing remover and installer (J 45380). Begin by setting the finger section of this tool in front of the bushing then attach the tube and forcing screw to the finger section. Finish by rotating the forcing screw with a wrench to remove the bushing. To mount the new output shaft bushing professionals should use the j 45380 by positioning the tool and bushing into the case while hammering them together for security. Install the rear output shaft seal with the output shaft seal installer (J 37668-A) when ready. Reinstall the rear propeller shaft before checking the transfer case fluid level then lower the vehicle.