How to replace the front output transfer case seal on Chevrolet K3500?

The replacement process of the front transfer case output shaft seal begins by raising the vehicle with additional steps directing the removal of transfer case shields when present. First remove the front propeller shaft together with the exhaust crossover pipe. Begin the front output shaft seal removal process by uninstalling the inner sleeve and then continuing to detach the outer part of the seal. Replacements for front output shaft seals necessitate the use of either j35870 front output shaft seal installer from production start through mid-1999 or j43484 front output shaft seal installer after mid-1999. A layer of dexron(R) iii oil from gm p/n 12346143 must lubricate both seal mating surfaces before the seal installation process. Place the seal in a straight position. Verify the installment of transfer case oil level before you may need to add extra oil. Reinstall the front propeller shaft as well as the exhaust crossover pipe and transfer case shields if equipped before lowering the vehicle.

OEM Chevrolet K3500 Transfer Case Seal

Transfer Case Output Shaft Seal

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8 Transfer Case Seals found

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Chevrolet K3500 Output Shaft Seal
Part Number: 15580225
$21.75 MSRP: $29.77
You Save: $8.02 (27%)
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Product Specifications
- Other Name: Seal, Transfer Case; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-2000 Chevrolet K3500 | Base, Cheyenne, LS, Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet K3500 Output Shaft Seal
Part Number: 12474423
$24.57 MSRP: $38.49
You Save: $13.92 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Transfer Case Input Shaft; Automatic Transmission Transfer Shaft Seals; Transfer Case Input Shaft Seal; Input Shaft Seal; Seal, Transfer Case
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 Chevrolet K3500 | Base, Cheyenne, LS, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet K3500 Output Shaft Seal, Front
Part Number: 12384477
$19.36 MSRP: $30.33
You Save: $10.97 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal, Transfer Case Front Output Shaft; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal; Seal, Transfer Case
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1990 Chevrolet K3500 | Cheyenne, Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet K3500 Extension Housing Seal, Rear
Part Number: 23049496
$10.84 MSRP: $16.98
You Save: $6.14 (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:
- 1988-1998 Chevrolet K3500 | Base, Cheyenne, Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet K3500 Extension Housing Seal
Part Number: 24236132
$9.83 MSRP: $15.40
You Save: $5.57 (37%)
Ships in 1-2 Business Days
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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
- Replaces: 08675730, 8675730
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2000 Chevrolet K3500 | Base, Cheyenne, LS, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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Chevrolet K3500 Heater Core
Part Number: 8655031
Product Specifications
- Other Name: Seal, Automatic Transmission Case Extension; Output Shaft Seal; Transfer Case Gasket.; Output Shaft Seal; Extension Housing Seal; Transmission Rear Main Bearing; Rear Bearing Retaining; Transfer Case Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1990 Chevrolet K3500 | Cheyenne, Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
Chevrolet K3500 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:
- 1999-2000 Chevrolet K3500 | Base, LS | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
Chevrolet K3500 Output Shaft Seal
Part Number: 15580329
Product Specifications
- Other Name: Seal, Transfer Case; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990 Chevrolet K3500 | Cheyenne, Scottsdale, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS

Chevrolet K3500 Transfer Case Seal

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Chevrolet K3500 Transfer Case Seal Parts Questions & Experts Answers

Output Shaft Seal
12474423
Q: How to replace the front output transfer case seal on Chevrolet K3500?
A: The replacement process of the front transfer case output shaft seal begins by raising the vehicle with additional steps directing the removal of transfer case shields when present. First remove the front propeller shaft together with the exhaust crossover pipe. Begin the front output shaft seal removal process by uninstalling the inner sleeve and then continuing to detach the outer part of the seal. Replacements for front output shaft seals necessitate the use of either j35870 front output shaft seal installer from production start through mid-1999 or j43484 front output shaft seal installer after mid-1999. A layer of dexron(R) iii oil from gm p/n 12346143 must lubricate both seal mating surfaces before the seal installation process. Place the seal in a straight position. Verify the installment of transfer case oil level before you may need to add extra oil. Reinstall the front propeller shaft as well as the exhaust crossover pipe and transfer case shields if equipped before lowering the vehicle.

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