How to replace the front output transfer case seal on 2006 GMC Sierra 3500?

To replace the transfer case output shaft seal, front propeller shaft, and transfer case shield must be removed. Use a screwdriver to push back the inner race and take out the seal. Remove the current seal and install new one with Output Shaft Seal Installer and reinstall the front propeller shaft. Check for fluid levels and replace the shield.

OEM 2006 GMC Sierra 3500 Transfer Case Seal

Transfer Case Output Shaft Seal

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7 Transfer Case Seals found

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2006 GMC Sierra 3500 Output Shaft Seal, Rear Part Number: 12547638
$81.04 MSRP: $137.98
You Save: $56.94 (42%)
Ships in 1-2 Business Days
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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
- Item Weight: 0.50 Pounds
- Item Dimensions: 4.0 x 3.8 x 1.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12547638
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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2006 GMC Sierra 3500 Extension Housing Seal, Rear Part Number: 24232325
$14.64 MSRP: $24.12
You Save: $9.48 (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
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.7 x 3.8 x 1.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24232325
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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2006 GMC Sierra 3500 Extension Housing Seal, Rear Part Number: 24232324
$12.30 MSRP: $20.27
You Save: $7.97 (40%)
Ships in 1-2 Business Days
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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
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.4 x 3.5 x 0.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24232324
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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2006 GMC Sierra 3500 Extension Housing Seal, Rear Part Number: 23049496
$11.05 MSRP: $17.31
You Save: $6.26 (37%)
Ships in 1-2 Business Days
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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
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.0 x 3.1 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 23049496
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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2006 GMC Sierra 3500 Extension Housing Seal, Front Part Number: 8677463
$9.59 MSRP: $15.01
You Save: $5.42 (37%)
Ships in 1 Business Day
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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
- Item Weight: 0.50 Pounds
- Item Dimensions: 3.5 x 3.7 x 1.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8677463
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
View related parts
2006 GMC Sierra 3500 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
- Item Weight: 0.40 Pounds
- Item Dimensions: 7.0 x 2.3 x 1.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 23049636
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
View related parts
2006 GMC Sierra 3500 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
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.7 x 3.8 x 0.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12478060
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 GMC Sierra 3500 Submodels:
- Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS

2006 GMC Sierra 3500 Transfer Case Seal

With a comprehensive array of OEM 2006 GMC Sierra 3500 Transfer Case Seal, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2006 GMC Sierra 3500 Transfer Case Seal are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2006 GMC Sierra 3500 Transfer Case Seal Parts and Q&A

Q: How to replace the front output transfer case seal on 2006 GMC Sierra 3500?
A: To replace the transfer case output shaft seal, front propeller shaft, and transfer case shield must be removed. Use a screwdriver to push back the inner race and take out the seal. Remove the current seal and install new one with Output Shaft Seal Installer and reinstall the front propeller shaft. Check for fluid levels and replace the shield.