What tools are required to service and repair the front output transfer case seal on Chevrolet Suburban 1500?

The necessary tools to service or repair the front output shaft seal are j 43484 front output shaft seal installer (midyear 1999 and later seal) along with j 35870 front output shaft seal installer (start of production to midyear 1999 seal). Begin the job by lifting the vehicle while removing safety shields from the Transfer Case if your truck model includes them. The service procedure begins with front propeller shaft removal followed by removal of the front output shaft seal starting from the inner sleeve which aids Transfer Case Seal extraction before moving onto the outer area of the seal. The installation process begins by applying dexron(R) iii oil gm p/n 12346143 to the seal mating surfaces before using j 35870 for the start of production to midyear 1999 seal or j 43484 for the midyear 1999 and later seal to place the seal correctly during installation. The installation process requires verification of Transfer Case oil quantity and adding oil when necessary before fixing the front propeller shaft along with optional Transfer Case shields and finally placing the vehicle back on the ground.

How to replace the front output transfer case seal on Chevrolet Suburban 1500?

The first step to replace the front output shaft seal of the Transfer Case involves vehicle elevation. Start by elevating the vehicle before proceeding to remove the front propeller shaft if present along with the Transfer Case shields. You should begin by extracting the inner sleeve and then moving on to the outer segment of the front output shaft seal. You need to apply dexron(R) iii oil gm p/n 12346143 as lubricant to the seal mating surfaces during installation. The front output shaft seal must be placed straight when installing the j 35870 for start of production to midyear 1999 seals or j 43484 for midyear 1999 later seals. Regularly check the Transfer Case oil level subsequently adding oil when necessary after the installation period. Before lowering the vehicle reinstall both the front propeller shaft as well as any installed Transfer Case shields.

OEM Chevrolet Suburban 1500 Transfer Case Seal

Transfer Case Output Shaft Seal

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Chevrolet Suburban 1500 Extension Housing Seal Part Number: 8681168
$7.99 MSRP: $12.51
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Product Specifications
- Other Name: Seal, Automatic Transmission Case Extension; Automatic Transmission Extension Housing Seal; Transmission Seal; Seal, Transmission Rear Main Bearing; Seal, Rear Bearing Retaining; Seal, Transmission Extension; Seal, Transfer Case
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 Chevrolet Suburban 1500 | LT, LTZ | 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 1500 | Base, LS, LT, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Suburban 1500 Extension Housing Seal, Rear Part Number: 24232324
$12.30 MSRP: $20.27
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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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 1500 | Base, LS, LT, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Suburban 1500 Output Shaft Seal, Rear Part Number: 12547638
$81.04 MSRP: $137.98
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Product Specifications
- Other Name: Seal, Transfer Case Rear Output Shaft; Automatic Transmission Seal; Gasket; Extension Seal; Seal, Transfer Case
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 1500 | Base, LS, LT, LTZ, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Extension Housing Seal, Front Part Number: 8677463
$9.59 MSRP: $15.01
You Save: $5.42 (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; Seal, Rear Bearing Retaining; Seal, Transmission Extension
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 1500 | Base, LS, LT, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Suburban 1500 Extension Housing Seal, Rear Part Number: 23049496
$11.05 MSRP: $17.31
You Save: $6.26 (37%)
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Product Specifications
- Other Name: Seal, Rear Bearing Retaining; Manual Transmission Extension Housing Seal and Gasket Set.; Seal, Transmission Rear Main Bearing; Seal, Transmission Extension
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 1500 | Base, LS, LT, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Suburban 1500 Extension Housing Seal, Rear Part Number: 23049636
Product Specifications
- Other Name: Seal, Rear Bearing Retaining; Manual Transmission Extension Housing Seal and Gasket Set.; Seal, Transmission Rear Main Bearing; Seal, Transmission Extension
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 1500 | Base, LS, LT, LTZ, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Suburban 1500 Extension Housing Seal Part Number: 12478060
Product Specifications
- Other Name: Seal, Transmission Extension; Manual Transmission Housing Seal; Gasket Set.; Seal, Transmission Main Shaft; Seal, Rear Bearing Retaining
- Position: Rear
- Replaces: 15635281
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 1500 | Base, LS, LT, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

Chevrolet Suburban 1500 Transfer Case Seal

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Chevrolet Suburban 1500 Transfer Case Seal Parts and Q&A

Extension Housing Seal, Front
8677463
Q: What tools are required to service and repair the front output transfer case seal on Chevrolet Suburban 1500?
A:
The necessary tools to service or repair the front output shaft seal are j 43484 front output shaft seal installer (midyear 1999 and later seal) along with j 35870 front output shaft seal installer (start of production to midyear 1999 seal). Begin the job by lifting the vehicle while removing safety shields from the Transfer Case if your truck model includes them. The service procedure begins with front propeller shaft removal followed by removal of the front output shaft seal starting from the inner sleeve which aids Transfer Case Seal extraction before moving onto the outer area of the seal. The installation process begins by applying dexron(R) iii oil gm p/n 12346143 to the seal mating surfaces before using j 35870 for the start of production to midyear 1999 seal or j 43484 for the midyear 1999 and later seal to place the seal correctly during installation. The installation process requires verification of Transfer Case oil quantity and adding oil when necessary before fixing the front propeller shaft along with optional Transfer Case shields and finally placing the vehicle back on the ground.
Extension Housing Seal
12478060
Q: How to replace the front output transfer case seal on Chevrolet Suburban 1500?
A:
The first step to replace the front output shaft seal of the Transfer Case involves vehicle elevation. Start by elevating the vehicle before proceeding to remove the front propeller shaft if present along with the Transfer Case shields. You should begin by extracting the inner sleeve and then moving on to the outer segment of the front output shaft seal. You need to apply dexron(R) iii oil gm p/n 12346143 as lubricant to the seal mating surfaces during installation. The front output shaft seal must be placed straight when installing the j 35870 for start of production to midyear 1999 seals or j 43484 for midyear 1999 later seals. Regularly check the Transfer Case oil level subsequently adding oil when necessary after the installation period. Before lowering the vehicle reinstall both the front propeller shaft as well as any installed Transfer Case shields.