How to replace the front transfer case output shaft seal with a transfer case seal on 2003 GMC Sonoma?

The first task for front transfer case output shaft seal replacement requires that you properly elevate the vehicle. Locate both the transfer case shield and front propeller shaft which needs to come off from the transfer case. Remove both the transfer case front output shaft dust seal and the front output shaft seal as the next installation step. The front output shaft repair procedure begins with mounting the front output shaft seal protector (J 44636-2) onto the transfer case front output shaft before inserting the front output shaft seal onto the protector. Install the front output shaft seal using the front output shaft seal installer (J 44636-1) after which remove the installer along with protector from the shaft. The last step includes installing the front output shaft dust seal after reattaching the front propeller shaft and checking the transfer case fluid level as well as reinstalling the shield before lowering the vehicle.

OEM 2003 GMC Sonoma Transfer Case Seal

Transfer Case Output Shaft Seal

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5 Transfer Case Seals found

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2003 GMC Sonoma Output Shaft Seal, Rear Part Number: 12547638
$81.04 MSRP: $137.98
You Save: $56.94 (42%)
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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 2003 GMC Sonoma Submodels:
- SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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2003 GMC Sonoma Extension Seal, Rear Part Number: 15661460
$26.67 MSRP: $43.93
You Save: $17.26 (40%)
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Product Specifications
- Other Name: Seal, Transfer Case Rear Output Shaft; Transfer Case Gasket; Seal, Transfer Case
- Position: Rear
- Item Weight: 0.40 Pounds
- Item Dimensions: 4.0 x 3.9 x 1.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15661460
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 GMC Sonoma Submodels:
- SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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2003 GMC Sonoma 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.
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Fits the following 2003 GMC Sonoma Submodels:
- SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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2003 GMC Sonoma Extension Housing Seal, Rear Part Number: 12549329
$11.25 MSRP: $17.85
You Save: $6.60 (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 Extension
- Position: Rear
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.1 x 3.2 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12549329
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Sonoma Submodels:
- SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
View related parts
2003 GMC Sonoma 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 2003 GMC Sonoma Submodels:
- SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS

2003 GMC Sonoma Transfer Case Seal

With a comprehensive array of OEM 2003 GMC Sonoma Transfer Case Seal, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 GMC Sonoma 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.

2003 GMC Sonoma Transfer Case Seal Parts and Q&A

Q: How to replace the front transfer case output shaft seal with a transfer case seal on 2003 GMC Sonoma?
A: The first task for front transfer case output shaft seal replacement requires that you properly elevate the vehicle. Locate both the transfer case shield and front propeller shaft which needs to come off from the transfer case. Remove both the transfer case front output shaft dust seal and the front output shaft seal as the next installation step. The front output shaft repair procedure begins with mounting the front output shaft seal protector (J 44636-2) onto the transfer case front output shaft before inserting the front output shaft seal onto the protector. Install the front output shaft seal using the front output shaft seal installer (J 44636-1) after which remove the installer along with protector from the shaft. The last step includes installing the front output shaft dust seal after reattaching the front propeller shaft and checking the transfer case fluid level as well as reinstalling the shield before lowering the vehicle.