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

The replacement of the front transfer case output shaft seal starts with draining transfer case fluid followed by removing the front propeller shaft after bending out all staked areas on the yoke flange nut. Bend out the stakes on the yoke flange nut using a suitable punch tool so you can loosen the yoke flange nut by placing it in the flange and pulley holding tool (J 8614-01). The installation process requires removal of the yoke flange nut along with its o-ring and front output yoke flange. Discard the used flange nut and o-ring after removing them. A flat-bladed screwdriver should be tapped gently along the boundaries of the front output shaft seal before using it to pry the seal free from the transfer case. The front output shaft seal installer (J 37212) together with a hammer allows you to install the new front output shaft seal properly into the transfer case. The installation process starts with attaching the yoke flange to the front output shaft followed by lubricating the new yoke flange o-ring seal using transfer case fluid. After this fitting the yoke flange and new nut are secured. Use the flange and pulley holding tool (J 8614-01) to clamp the yoke flange before torquing the yoke flange nut to 137 nm (1101 ft. Lbs.). As a conclusion install the front propeller shaft followed by filling the transfer case with fluid.

How to replace the input transfer case seal on Chevrolet S10?

Vehicle elevation serves as a first step before starting Transfer Case input shaft seal replacement work. After lifting the vehicle begin by removing the Transfer Case from its position followed by removing the Transfer Case input shaft seal. When installing the new input shaft seal position the part numbers to be visible toward the technician. After installation position the Transfer Case input shaft seal perfectly straight along the input shaft and verify its evenness with the Transfer Case surface. The j 42738 seal installer (J 42738) serves to properly install the Transfer Case input shaft seal. Reinstall the Transfer Case into the vehicle before checking fluid levels followed by vehicle lowering.

OEM Chevrolet Transfer Case Seal

Transfer Case Output Shaft Seal

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48 Transfer Case Seals found

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Chevrolet Extension Housing Seal, Front Part Number: 24226707
$34.07 MSRP: $56.12
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Product Specifications
- Other Name: Seal Assembly-Propeller Shaft Front Slip Yoke Oil; Automatic Transmission Extension Housing Seal; Transmission Seal; Seal, Rear Bearing Retaining; Seal, Transmission Extension; Seal, Transfer Case
- Position: Front
- Replaces: 19133151
Fits the following Chevrolet Models:
- Express 2500 | 2018-2020 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
- Express 3500 | 2018-2020 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
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Chevrolet Extension Housing Seal Part Number: 24228876
$27.87 MSRP: $45.93
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Product Specifications
- Other Name: Seal, Transmission Input And Turbine Shaft; Automatic Transmission Extension Housing Seal; Transmission Seal; Seal, Universal Joint Sleeve Yoke
- Replaces: 24238075
Fits the following Chevrolet Models:
- Camaro | 2016-2022 | LS, LT | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Colorado | 2015-2022 | Base, LT, WT, Z71 | 4 Cyl 2.5 L GAS, 4 Cyl 2.8 L DIESEL, 6 Cyl 3.6 L GAS
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Chevrolet Input Shaft Seal Part Number: 19299082
$15.41 MSRP: $25.40
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Product Specifications
- Other Name: Seal, Transfer Case Input Shaft; Automatic Transmission Input Shaft Seal.; Seal, Transfer Case
- Replaces: 19257407
Fits the following Chevrolet Models:
- Silverado 2500 HD | 2020-2023 | Custom, High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS
- Silverado 3500 HD | 2020-2023 | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS
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Chevrolet Adapter Gasket Part Number: 24245110
$8.33 MSRP: $13.71
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Product Specifications
- Other Name: Gasket-Transfer Case Adapter; Transfer Case Adapter Seal
- Replaced by: 86816628
Fits the following Chevrolet Models:
- Colorado | 2023 | LT, Trail Boss, WT, Z71, ZR2 | 4 Cyl 2.7 L GAS
- Silverado 1500 | 2019-2022 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT, ZR2 | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Suburban | 2021-2022 | Commercial, High Country, LS, LT, Premier, RST, Z71 | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Tahoe | 2021-2022 | Commercial, High Country, LS, LT, PPV, Premier, RST, SSV, Z71 | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Extension Seal, Rear Part Number: 15661460
$26.67 MSRP: $43.93
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Product Specifications
- Other Name: Seal, Transfer Case Rear Output Shaft; Transfer Case Gasket; Seal, Transfer Case
- Position: Rear
Fits the following Chevrolet Models:
- Blazer | 1995-2005 | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
- S10 | 1994-2004 | Base, LS, SS, Xtreme, ZR2, ZR5 | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
- S10 Blazer | 1994 | Base, LT, Tahoe, Tahoe LT | 6 Cyl 4.3 L GAS
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Chevrolet 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
Fits the following Chevrolet Models:
- Suburban 1500 | 2007 | LT, LTZ | 8 Cyl 6.0 L GAS
- Suburban 2500 | 2007 | LS, LT, LTZ | 8 Cyl 6.0 L GAS
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Chevrolet Extension Housing Seal, Rear Part Number: 24232324
$12.30 MSRP: $20.27
You Save: $7.97 (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: 24204540
Fits the following Chevrolet Models:
- Avalanche 1500 | 2002-2006 | Base, LS, LT, On Road Edition, WBH, Z66 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Avalanche 2500 | 2002-2006 | Base, LT | 8 Cyl 8.1 L GAS
- Camaro | 1996-2001 | Base, RS, Z28, Z28 SS | 6 Cyl 3.8 L GAS, 8 Cyl 5.7 L GAS
- Caprice | 1996 | Classic | 8 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS
- Express 1500 | 2003-2005 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L GAS
- Express 2500 | 2003-2005 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
- Express 3500 | 2003-2005 | Base, LS | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
- Impala | 1996 | SS | 8 Cyl 5.7 L GAS
- Silverado 1500 | 1999-2013 | Base, Hybrid, LS, LT, LTZ, SS, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
- Silverado 1500 Classic | 2007 | Hybrid, LS, LT, SS, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Extension Seal Part Number: 97238997
$19.00 MSRP: $29.75
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Product Specifications
- Other Name: Seal, Transfer Case Rear Output Shaft; Transfer Case Gasket; Seal, Transfer Case
- Position: Rear
Fits the following Chevrolet Models:
- Colorado | 2004-2012 | Base, LS, LT, Sport, Sport LS, WT, Z71, Z71 LS, Z85, Z85 LS | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS, 8 Cyl 5.3 L GAS
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Chevrolet Extension Housing Seal, Rear Part Number: 24286193
$1.18 MSRP: $1.95
You Save: $0.77 (40%)
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Product Specifications
- Other Name: Seal, Rear Bearing Retaining; Automatic Transmission Extension Housing Seal; Transmission Seal
- Position: Rear
Fits the following Chevrolet Models:
- Silverado 2500 HD | 2020-2023 | Custom, High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS
- Silverado 3500 HD | 2020-2023 | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS
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Chevrolet Output Shaft Seal Part Number: 84681932
$33.04 MSRP: $52.46
You Save: $19.42 (38%)
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Product Specifications
- Other Name: Seal-Power Transfer U Output Shaft; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal; Seal, Transfer Case
- Replaced by: 85732461
- Replaces: 23432724, 84585185
Fits the following Chevrolet Models:
- Equinox | 2018-2023 | L, LS, LT, Premier, RS | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L DIESEL, 4 Cyl 2.0 L GAS
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Chevrolet 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
Fits the following Chevrolet Models:
- Avalanche 1500 | 2002-2006 | Base, LS, LT, On Road Edition, WBH, Z66 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Avalanche 2500 | 2002-2006 | Base, LT | 8 Cyl 8.1 L GAS
- Express 1500 | 2003-2009 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Express 2500 | 1996-2009 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL
- Express 3500 | 1996-2009 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 7.4 L GAS, 8 Cyl 8.1 L GAS
- G10 | 1993-1995, 1991 | Beauville, Chevy Van, Sportvan | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- G20 | 1993-1995, 1991 | Beauville, Chevy Van, Sportvan | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- G30 | 1993-1996, 1991 | Beauville, Chevy Van, Hi-Cube, Sportvan | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- Silverado 1500 | 2000-2006 | Base, Hybrid, LS, LT, SS, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Silverado 1500 HD | 2005-2006, 2001-2003 | Base, LS, LT | 8 Cyl 6.0 L GAS
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Chevrolet 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
Fits the following Chevrolet Models:
- Avalanche 1500 | 2002-2006 | Base, LS, LT, On Road Edition, WBH, Z66 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Avalanche 2500 | 2002-2006 | Base, LT | 8 Cyl 8.1 L GAS
- Blazer | 1992-1994 | Base, Cheyenne, Silverado, Silverado Sport | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- C1500 | 1988-1998 | 454 SS, Base, Cheyenne, Scottsdale, Silverado, WT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- C1500 Suburban | 1992-1998 | Base, LS, LT, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- C2500 | 1988-1998 | Base, Cheyenne, Scottsdale, Silverado, WT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1992-1998 | Base, LS, LT, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- C3500 | 1988-1998 | Base, Cheyenne, Scottsdale, Silverado | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- K1500 | 1988-1998 | Base, Cheyenne, Scottsdale, Silverado, Sport, WT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- K1500 Suburban | 1992-1998 | Base, LS, LT, Silverado | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Output Shaft Seal, Front Part Number: 84124168
$12.86 MSRP: $20.41
You Save: $7.55 (37%)
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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
Fits the following Chevrolet Models:
- Silverado 1500 | 2019-2023 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Suburban | 2021-2022 | Commercial, High Country, LS, LT, Premier, RST, Z71 | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Tahoe | 2021-2022 | Commercial, High Country, LS, LT, PPV, Premier, RST, SSV, Z71 | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Extension Housing Seal, Rear Part Number: 12530278
$18.49 MSRP: $30.46
You Save: $11.97 (40%)
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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
Fits the following Chevrolet Models:
- Camaro | 1993-1998 | Base, Indianapolis 500 Pace Car, RS, Z28, Z28 SS | 6 Cyl 3.4 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Input Shaft Seal Part Number: 19260629
$20.32 MSRP: $32.26
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Product Specifications
- Other Name: Seal, Transfer Case; Automatic Transmission Input Shaft Seal; Transfer Case Input Shaft Seal; Seal Kit, Transfer Case
- Position: Front
Fits the following Chevrolet Models:
- Trax | 2015-2022 | LS, LT, LTZ, Premier | 4 Cyl 1.4 L GAS
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Chevrolet Output Shaft Seal Part Number: 84666372
$37.86 MSRP: $62.37
You Save: $24.51 (40%)
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Product Specifications
- Other Name: Seal-Power Transfer U Output Shaft; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal; Seal, Transfer Case
Fits the following Chevrolet Models:
- Trailblazer | 2021-2022 | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Input Shaft Seal Part Number: 84501576
$42.80 MSRP: $70.50
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Product Specifications
- Other Name: Seal, Transfer Case; Automatic Transmission Input Shaft Seal; Transfer Case Input Shaft Seal
Fits the following Chevrolet Models:
- Trailblazer | 2021-2022 | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Output Shaft Seal, Front Part Number: 84368195
$6.94 MSRP: $10.87
You Save: $3.93 (37%)
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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, Intermediate Transfer Case; Seal, Transfer Case
- Position: Front
Fits the following Chevrolet Models:
- Colorado | 2023 | LT, Trail Boss, WT, Z71, ZR2 | 4 Cyl 2.7 L GAS
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Chevrolet Extension Housing Seal Part Number: 55579988
$9.44 MSRP: $14.79
You Save: $5.35 (37%)
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Product Specifications
- Other Name: Seal, Transfer Case; Transfer Case Extension Housing Seals
- Position: Rear
Fits the following Chevrolet Models:
- Trax | 2015-2022 | LS, LT, LTZ, Premier | 4 Cyl 1.4 L GAS
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Chevrolet Output Shaft Seal Part Number: 29536379
$10.98 MSRP: $17.19
You Save: $6.21 (37%)
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Product Specifications
- Other Name: Seal, Transmission Planet Carrier; Automatic Transmission Transfer Shaft Seals; Transfer Case Output Shaft Seal; Seal, Universal Joint Sleeve Yoke
Fits the following Chevrolet Models:
- Silverado 2500 HD | 2011-2014 | LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Silverado 3500 HD | 2011-2014 | LT, LTZ, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL

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Chevrolet Transfer Case Seal

Choose OEM Transfer Case Seal, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Chevrolet's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Chevrolet Transfer Case Seal. You can shop at highly competitive prices and protect your budget. All our genuine Chevrolet parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Chevrolet Transfer Case Seal Parts and Q&A

Extension Seal
97238997
Q: How to replace the front output transfer case seal on Chevrolet Colorado?
A:
The replacement of the front transfer case output shaft seal starts with draining transfer case fluid followed by removing the front propeller shaft after bending out all staked areas on the yoke flange nut. Bend out the stakes on the yoke flange nut using a suitable punch tool so you can loosen the yoke flange nut by placing it in the flange and pulley holding tool (J 8614-01). The installation process requires removal of the yoke flange nut along with its o-ring and front output yoke flange. Discard the used flange nut and o-ring after removing them. A flat-bladed screwdriver should be tapped gently along the boundaries of the front output shaft seal before using it to pry the seal free from the transfer case. The front output shaft seal installer (J 37212) together with a hammer allows you to install the new front output shaft seal properly into the transfer case. The installation process starts with attaching the yoke flange to the front output shaft followed by lubricating the new yoke flange o-ring seal using transfer case fluid. After this fitting the yoke flange and new nut are secured. Use the flange and pulley holding tool (J 8614-01) to clamp the yoke flange before torquing the yoke flange nut to 137 nm (1101 ft. Lbs.). As a conclusion install the front propeller shaft followed by filling the transfer case with fluid.
Extension Housing Seal, Rear
12549329
Q: How to replace the input transfer case seal on Chevrolet S10?
A:
Vehicle elevation serves as a first step before starting Transfer Case input shaft seal replacement work. After lifting the vehicle begin by removing the Transfer Case from its position followed by removing the Transfer Case input shaft seal. When installing the new input shaft seal position the part numbers to be visible toward the technician. After installation position the Transfer Case input shaft seal perfectly straight along the input shaft and verify its evenness with the Transfer Case surface. The j 42738 seal installer (J 42738) serves to properly install the Transfer Case input shaft seal. Reinstall the Transfer Case into the vehicle before checking fluid levels followed by vehicle lowering.