How can oil leaks from the transfer case seal be addressed without removing the transmission on Chevrolet Express?

Oil leaks frequently occur due to wear of the extension housing oil seal, which is relatively easy to replace without removing the transmission from the vehicle. The extension housing oil seal is located at the extreme rear of the transmission, where the driveshaft is attached. If leakage at the seal is suspected, raise the vehicle and support it securely on jackstands. A leaking seal will result in transmission lubricant building up on the front of the driveshaft and possibly dripping from the rear of the transmission. Remove the driveshaft, then use a seal removal tool or a large screwdriver to carefully pry the oil seal out of the rear of the transmission, taking care not to damage the splines on the output shaft. Install the new oil seal using a seal driver or a very large deep socket as a drift, ensuring it is driven into place squarely and completely seated. Lubricate the splines of the transmission output shaft and the outside of the driveshaft yoke with lightweight grease before reinstalling the driveshaft, being cautious not to damage the lip of the new seal.

Genuine Chevrolet Express Transfer Case Seal

Transfer Case Output Shaft Seal

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15 Transfer Case Seals found

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Chevrolet Express Seal,Transfer Case Rear Output Shaft
Part Number: 89059495
$41.25 MSRP: $70.52
You Save: $29.27 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Transfer Case; Output Shaft Seal
- Position: Rear
- Replaces: 88984500
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2014 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
View related parts
Chevrolet Express Seal,Propeller Shaft Front Slip Yoke Oil(Booted)
Part Number: 24232325
$14.58 MSRP: $24.12
You Save: $9.54 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Rear Bearing Retaining; Extension Housing Seal
- Position: Front
- Replaces: 24201470
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2014 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.0L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.5L Diesel, 8 Cyl 6.6L Diesel
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Chevrolet Express Seal,Transfer Case Input Shaft
Part Number: 12474423
$23.72 MSRP: $39.26
You Save: $15.54 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Transfer Case; Input Shaft Seal, Output Shaft Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2014 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
View related parts
Chevrolet Express Seal,Transfer Case Front Output Shaft
Part Number: 88984501
$28.22 MSRP: $46.70
You Save: $18.48 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Transfer Case; Output Shaft Seal
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2014 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
View related parts
Chevrolet Express Seal Assembly, Propeller Shaft Front Slip Yoke Oil
Part Number: 24226707
$33.91 MSRP: $56.12
You Save: $22.21 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Transmission Extension; Extension Housing Seal
- Position: Front
- Replaces: 19133151
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2023 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA, Van 3/4 Ton Cargo Express | 8 Cyl 4.8L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel
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Chevrolet Express Seal,Transfer Case Adapter
Part Number: 15969051
$7.91 MSRP: $12.62
You Save: $4.71 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Transfer Case
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2014 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
View related parts
Chevrolet Express Seal Assembly, Propeller Shaft Trans Flange Fluid
Part Number: 24228886
$13.00 MSRP: $20.59
You Save: $7.59 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Universal Joint Sleeve Yoke; Extension Housing Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 4 Cyl 2.8L Diesel, 6 Cyl 4.3L, 8 Cyl 6.6L
View related parts
Chevrolet Express Seal,Propeller Shaft Front Slip Yoke Oil
Part Number: 24232324
$12.24 MSRP: $20.27
You Save: $8.03 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Rear Bearing Retaining; Extension Housing Seal
- Position: Front
- Replaces: 24204540
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Chevrolet Express | 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.3L
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Chevrolet Express Seal,Automatic Transmission Case Extension
Part Number: 1358899
$2.96 MSRP: $4.09
You Save: $1.13 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Transfer Case
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1997 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 5.0L, 8 Cyl 5.7L
View related parts
Chevrolet Express Seal,Output Shaft
Part Number: 3764601
$5.27
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Propeller Shaft Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2014 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.0L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.5L Diesel, 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Seal,Automatic Transmission Case Extension
Part Number: 8681168
$8.98 MSRP: $12.51
You Save: $3.53 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Rear Bearing Retaining; Extension Housing Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2009 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.0L, 8 Cyl 5.3L, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.5L Diesel, 8 Cyl 6.6L Diesel, 8 Cyl 7.4L, 8 Cyl 8.1L
View related parts
Chevrolet Express Seal,Automatic Transmission Case Extension
Part Number: 24236132
$9.31 MSRP: $15.40
You Save: $6.09 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Rear Bearing Retaining; Extension Housing Seal
- Replaces: 08675730, 8675730
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2009 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Seal,Propeller Shaft Front Slip Yoke Oil
Part Number: 8677463
$20.53
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: SEAL, Rear Bearing Retaining; Extension Housing Seal
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2009 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.0L, 8 Cyl 5.3L, 8 Cyl 5.7L, 8 Cyl 6.0L, 8 Cyl 6.5L Diesel, 8 Cyl 6.6L Diesel, 8 Cyl 7.4L, 8 Cyl 8.1L
View related parts
Chevrolet Express Seal, Automatic Transmission Case Front Cover
Part Number: 24251906
$6.25 MSRP: $9.96
You Save: $3.71 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: SEAL, Transmission Case
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2018 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 4 Cyl 2.8L Diesel
View related parts
Chevrolet Express Seal, Automatic Transmission Case Front Cover
Part Number: 24281790
$12.77 MSRP: $20.36
You Save: $7.59 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, A/Trns Case Frt Cvr
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2022 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 4 Cyl 2.8L Diesel

Chevrolet Express Transfer Case Seal

The Chevrolet Express Transfer Case Seal protects the transfer gears of the van by keeping the lubricant inside the case and preventing damaging leaks. Positioned around the rear output shaft, the Transfer Case Seal creates a snug and greased barrier so fluid cannot escape when the shaft and yoke are turning. It maintains the exact oil level that allows gears to turn easily instead of overheating or grinding. When the seal gets old or damaged, puddles form under the vehicle, the fluid volume decreases, the hydraulic pressure decreases, and the parts may wear out quickly. Chevrolet drivers of Express vans should replace the Transfer Case Seal before severe loss occurs. Replacement involves raising the vehicle, removing the driveshaft, prying out the worn ring, cleaning the housing, and then pressing the fresh Transfer Case Seal evenly with a light coat of grease to ensure an even seat and proper alignment of the yoke splines on the van's drivetrains. Over the years, Chevrolet has remained with a single lip-style elastomer design that has proven simple, durable, and cost-effective. This reliable Transfer Case Seal concept still protects every Express model today.

Each OEM Chevrolet Express Transfer Case Seal we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Express Transfer Case Seal Parts Questions & Experts Answers

Seal,Transfer Case Rear Output Shaft
89059495
Q: How can oil leaks from the transfer case seal be addressed without removing the transmission on Chevrolet Express?
A:
Oil leaks frequently occur due to wear of the extension housing oil seal, which is relatively easy to replace without removing the transmission from the vehicle. The extension housing oil seal is located at the extreme rear of the transmission, where the driveshaft is attached. If leakage at the seal is suspected, raise the vehicle and support it securely on jackstands. A leaking seal will result in transmission lubricant building up on the front of the driveshaft and possibly dripping from the rear of the transmission. Remove the driveshaft, then use a seal removal tool or a large screwdriver to carefully pry the oil seal out of the rear of the transmission, taking care not to damage the splines on the output shaft. Install the new oil seal using a seal driver or a very large deep socket as a drift, ensuring it is driven into place squarely and completely seated. Lubricate the splines of the transmission output shaft and the outside of the driveshaft yoke with lightweight grease before reinstalling the driveshaft, being cautious not to damage the lip of the new seal.