How to replace the rear transfer case output shaft seal with a transfer case seal on Chevrolet K3500?

Before you replace the rear transfer case output shaft seal, raise the vehicle. If there are shields on the transfer case, take them off. After that, take out the rear propeller shaft. After that, disconnect the rear output shaft seal in the transmission. For the installation process, use the j29162 (Rear Output Shaft Seal Installer) and prior to installing, put a small amount of automatic transfer case oil gm p/n 12378396 on the seal's mating surface. After that, install the rear propeller shaft again. Examine the level of oil in the transfer case and place more as necessary. After that, fit the transfer case shields and then set the vehicle down on the ground.

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

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

8 Transfer Case Seals found

View related parts
Chevrolet K3500 Output Shaft Seal Part Number: 12474423
$24.73 MSRP: $39.26
You Save: $14.53 (38%)
Ships in 1-2 Business Days
ADD TO CART
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
View related parts
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
ADD TO CART
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
View related parts
Chevrolet K3500 Extension Housing Seal, Rear Part Number: 23049496
$11.05 MSRP: $17.31
You Save: $6.26 (37%)
Ships in 1-2 Business Days
ADD TO CART
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
View related parts
Chevrolet K3500 Output Shaft Seal Part Number: 15580329
$30.01 MSRP: $60.24
You Save: $30.23 (51%)
ADD TO CART
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
View related parts
Chevrolet K3500 Extension Housing Seal Part Number: 24236132
$9.35 MSRP: $15.40
You Save: $6.05 (40%)
Ships in 1-2 Business Days
ADD TO CART
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
View related parts
Chevrolet K3500 Output Shaft Seal Part Number: 15580225
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
View related parts
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

Chevrolet K3500 Transfer Case Seal

Want to cut long-term maintenance and repair costs? Choose OEM Transfer Case Seal. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Chevrolet K3500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet K3500 Transfer Case Seal 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.

The Chevrolet K3500 Transfer Case Seal operates as a core automotive part which enhances the operational stability of Chevrolet K3500 vehicles manufactured between 1988 and 2002. The Transfer Case Seal functions as a vital element for maintaining prevention of fluid leakage that threatens the transmission system and vehicle efficiency. The Transfer Case Seal protects fluid levels in order to allow transfer gears smooth operation thus improving performance alongside safety enhancement. The K3500 model-compatible Transfer Case Seal withstands heavy-duty requirements making it an approved solution for Chevrolet K3500 users who need their vehicles for tough work. The Chevrolet K3500 provides powerful performance through its Vortec engine family together with the robust construction to support the efficient operation of the Transfer Case Seal across demanding conditions. Two important specifications of the Transfer Case Seal are its robust construction and simple installation process because these features work together to extend K3500 operational life. To maintain peak performance of the Chevrolet car the owner must perform regular maintenance along with proper scheduling of Transfer Case Seal replacements. The Chevrolet model Transfer Case Seal presents itself as one of the top preferences in automotive markets because it combines reliability with efficiency and essential roles maintaining both safety and vehicle performance.

Chevrolet K3500 Transfer Case Seal Parts and Q&A

Extension Housing Seal
24236132
Q: How to replace the rear transfer case output shaft seal with a transfer case seal on Chevrolet K3500?
A:
Before you replace the rear transfer case output shaft seal, raise the vehicle. If there are shields on the transfer case, take them off. After that, take out the rear propeller shaft. After that, disconnect the rear output shaft seal in the transmission. For the installation process, use the j29162 (Rear Output Shaft Seal Installer) and prior to installing, put a small amount of automatic transfer case oil gm p/n 12378396 on the seal's mating surface. After that, install the rear propeller shaft again. Examine the level of oil in the transfer case and place more as necessary. After that, fit the transfer case shields and then set the vehicle down on the ground.
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.