How to replace the input transfer case seal on Buick Rainier?

First raise the vehicle and remove the Transfer Case assembly as the first step to replace the input shaft seal in the Transfer Case. Guard the Transfer Case sealing components as well as shafts during seal removal by ensuring to avoid damage which could result in fluid leakage or force component replacement. A flat-bladed screwdriver allows the front input shaft seal removal from the Transfer Case before extraction. The new input shaft seal should be placed onto the input shaft before you install it with the j 42733 seal installer (J 42733). Reinstall the Transfer Case assembly while inspecting the Transfer Case fluid level and finally 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
$75.70 MSRP: $118.56
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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
$6.81 MSRP: $10.80
You Save: $3.99 (37%)
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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
$14.36 MSRP: $23.64
You Save: $9.28 (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: 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
$13.41 MSRP: $22.09
You Save: $8.68 (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
$0.72 MSRP: $1.12
You Save: $0.40 (36%)
Ships in 1-3 Business Days
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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
$32.83 MSRP: $51.42
You Save: $18.59 (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
- 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
$39.82 MSRP: $62.37
You Save: $22.55 (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 | 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
$97.63 MSRP: $235.44
You Save: $137.81 (59%)
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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
$30.99 MSRP: $48.54
You Save: $17.55 (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
$44.13 MSRP: $69.11
You Save: $24.98 (37%)
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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
$1.92 MSRP: $3.00
You Save: $1.08 (36%)
Ships in 1-3 Business Days
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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
$9.46 MSRP: $14.83
You Save: $5.37 (37%)
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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
$17.31 MSRP: $28.51
You Save: $11.20 (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
$30.92 MSRP: $48.44
You Save: $17.52 (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
$20.19 MSRP: $31.62
You Save: $11.43 (37%)
Ships in 1-3 Business Days
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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 Parts Questions & Experts Answers

Extension Housing Seal, Rear
24232325
Q: How to replace the input transfer case seal on Buick Rainier?
A: First raise the vehicle and remove the Transfer Case assembly as the first step to replace the input shaft seal in the Transfer Case. Guard the Transfer Case sealing components as well as shafts during seal removal by ensuring to avoid damage which could result in fluid leakage or force component replacement. A flat-bladed screwdriver allows the front input shaft seal removal from the Transfer Case before extraction. The new input shaft seal should be placed onto the input shaft before you install it with the j 42733 seal installer (J 42733). Reinstall the Transfer Case assembly while inspecting the Transfer Case fluid level and finally lower the vehicle.

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Enclave Encore Roadmaster Encore GX Envision Rainier