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SKF 21072A Differential Pinion Seal - Rear
Reliable Differential Pinion Seal for Chevrolet and GMC Trucks
The SKF 21072A differential pinion seal is engineered to provide a precise fit and dependable sealing performance for Chevrolet Canyon and GMC Colorado models. Designed with specific dimensions to match the shaft diameter and width requirements, this seal helps maintain drivetrain integrity and prevent fluid leaks.
- Seal Type: HMSA57 for effective sealing under various operating conditions
- Shaft Diameter: 2.106 inches ensuring a proper fit on compatible pinion shafts
- Width: 0.413 inches for optimal sealing surface contact
- Compatible with Chevrolet Canyon and GMC Colorado models
- Part Number: 21072A for accurate identification and replacement
Technical Details and Product Specifications
The SKF 21072A differential pinion seal is designed to fit pinion shafts with a diameter of 2.106 inches and a seal width of 0.413 inches. The HMSA57 seal type is known for its robust construction and ability to maintain a tight seal in driveline applications, reducing the risk of differential fluid leaks. This seal is manufactured to meet OEM standards, ensuring compatibility and durability in Chevrolet Canyon and GMC Colorado vehicles. Using the correct seal dimensions is critical to prevent premature wear and maintain the performance of the differential assembly.
Applications and Problem Solving
- Prevents differential fluid leaks that can lead to drivetrain damage
- Maintains proper lubrication within the differential assembly
- Reduces contamination ingress to protect internal components
- Helps avoid costly repairs related to seal failure
- Ensures consistent performance in Chevrolet Canyon and GMC Colorado differentials
Installation Notes and Tips
When installing the SKF 21072A differential pinion seal, ensure the shaft diameter matches the specified 2.106 inches for a secure fit. Clean the sealing surface thoroughly before installation to avoid debris interference. Use appropriate tools to press the seal evenly without distortion. Verify the seal width of 0.413 inches aligns with the differential housing specifications to maintain proper sealing pressure.
Quality Assurance and Warranty
SKF manufactures the 21072A differential pinion seal to meet stringent quality standards, providing reliable sealing performance for Chevrolet and GMC driveline applications. While specific warranty details are not provided, SKF products typically adhere to industry quality controls to ensure durability and fitment accuracy.
| Brand | SKF |
| Part Number | 21072A |
| Width | 0.413 |
| Seal Type | Hmsa57 |
| Shaft Diameter | 2.106 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Chevrolet | Colorado | Automatic | 2.5L | L4 | Rear | |
| 2020 | GMC | Canyon | Automatic | 2.5L | L4 | Rear | |
| 2019 | Chevrolet | Colorado | Automatic | 2.5L | L4 | Rear | |
| 2019 | GMC | Canyon | Automatic | 2.5L | L4 | Rear | |
| 2018 | Chevrolet | Colorado | Automatic | 2.5L | L4 | Rear | |
| 2018 | GMC | Canyon | Automatic | 2.5L | L4 | Rear |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.