WS8516N WJB Differential Pinion Trans

Review WJB Differential Pinion Speed Trans

The WJB WS8516N Differential Pinion Seal is an essential component for maintaining the performance and longevity of a 36RH transmission, specifically those found in A727 automatic transmissions. This seal is designed to prevent differential fluid from leaking out of the pinion shaft area, ensuring that the transmission operates efficiently and effectively.

The seal itself is made of a high-quality, durable material that is resistant to wear and tear, as well as the extreme temperatures and pressures that can be found in the differential housing. The sealing surface is precision-machined to ensure a perfect fit against the pinion shaft and housing, providing a reliable seal that keeps differential fluid where it belongs.

Installation of the WJB WS8516N Differential Pinion Seal is a straightforward process, but it is recommended that the job be done by a professional mechanic or experienced DIYer. The seal comes with all necessary installation hardware, including an O-ring and a gasket, to ensure a proper and leak-free installation.

It is important to note that a leaking pinion seal can lead to a number of issues, including loss of transmission fluid, reduced performance, and even damage to other components in the transmission. Replacing a worn or leaking seal with a new one, such as the WJB WS8516N, can help prevent these problems and keep your transmission running smoothly for years to come.

In summary, the WJB WS8516N Differential Pinion Seal is a vital component for the proper function and longevity of a 36RH transmission in an A727 automatic transmission system. Made of high-quality materials and precision-machined to ensure a perfect fit, this seal provides a reliable seal against differential fluid leakage, preventing potential damage and maintaining optimal transmission performance.

Pros and Cons of Buying a WJB WS8516N Differential Pinion Seal for A727 36-RH Transmission

The WJB WS8516N differential pinion seal is a crucial component in the A727 36-RH transmission system. It separates the differential and transmission fluids to prevent contamination. In this context, this text will provide an analysis of the potential advantages and disadvantages of purchasing this seal.

1. Enhanced Sealing: The WJB WS8516N differential pinion seal provides a more effective seal than OEM seals, reducing the likelihood of fluid leakage.

2. Durability: This seal is made of high-quality materials that can withstand the rigors of heavy-duty usage, ensuring longevity.

3. Improved Performance: A good seal can lead to improved transmission performance by maintaining proper fluid levels and reducing power loss.

1. Cost: Aftermarket seals tend to be more expensive than OEM seals, which could be a deterrent for some buyers.

2. Installation Complexity: Installing a differential pinion seal can be a complex process, requiring specialized tools and knowledge.

3. Potential for Damage: Improper installation can cause damage to the transmission, resulting in additional repair costs.

In conclusion, the WJB WS8516N differential pinion seal offers several advantages, including enhanced sealing, durability, and improved performance. However, it comes with some drawbacks, such as increased cost, installation complexity, and potential for damage if not installed properly.

If you are experiencing leaks or other transmission issues, and you are confident in your mechanical abilities or have access to a professional mechanic, the WJB WS8516N differential pinion seal can be a worthwhile investment for your A727 36-RH transmission. However, if you are unsure about the installation process or the cost outweighs the benefits for your specific situation, it may be safer to stick with an OEM seal or explore alternative solutions.

Details:

Finish material color shown in the listing image will often vary from actual part shipped. This part is sold as a part number only. The image usually shows all the pieces and qty included with part.

Differential pinion seal. Information like which side a part fits left or right and specific vehicle attributes transmission, AWD/RWD, other exclusions are included for your information in this left column.

specifications differentialsdepo:

• brand: Wjb
• mpn: Ws8516n
• type: Differential Pinion Seal

offer differentialsdepo:

• prices: $12.13–$25.50
• item condition: New
• availability: in stock
• sold #: 12
• started: november 8, 2025
• options: ship-to-home
• in stock #: 5

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Seals Gaskets

payments differentialsdepo:

• other
• credit card: diners-club
• wallet: google-pay

returns differentialsdepo:

• policy: returns accepted
• time: 30 days
• paid by: seller

seller differentialsdepo:

• # reviews: 13007
• rating: 97.8%
• city: bronx, new york

shipping differentialsdepo:

• class: standard
• transit: 5-9 days
• service: standard
• type: fixed