NATIONAL C789 Shaft Seal Kit Gran Sport Manual Vz 81-9

( Brand: National ), ( Manufacturer Part Number: 1967 ), ( Type: Manual Transmission Output Shaft Seal Kit ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C789 81-9 ), ( Item Length: 2.750 ), ( Placement On Vehicle: Transmission Gaskets Sealing Systems ), ( Compatible Model: Gran Sport ), ( Compatible Year: 1967 1966 1965 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Manual Transmission Output Shaft Seal Kit )

Review NATIONAL 81-9 Output Shaft Seal Kit For Buick Gran Sport Manual Vz fits 1965–1967

Introducing the National C789 81-9 Shaft Seal Kit, specifically designed for the manual V8 engines found in the 1965-1967 Buick Gran Sport. This essential kit includes all the necessary components to keep your engine's power transmission system running smoothly and leak-free.

The heart of this seal kit is the pair of 81-9 lip seals, which are expertly manufactured to provide an effective seal between the crankshaft and the oil pump housing. These seals are made from a high-quality, durable material that can withstand the extreme pressures and temperatures generated by your engine. The design of the lip seals features an angled, tapered lip that conforms to the contours of the crankshaft and oil pump housing, ensuring a snug and leak-free fit.

In addition to the lip seals, the kit also includes two O-rings, which are used to seal the oil pump housing to the crankshaft. These O-rings are precision-molded to ensure a perfect seal and are made from a material that offers excellent resistance to oil and other fluids.

To facilitate easy installation, the National C789 81-9 Shaft Seal Kit comes with a set of seal installation tools. These tools include a seal driver, a seal compressor, and a seal puller, all designed to make the installation process as straightforward and hassle-free as possible.

This seal kit is an excellent choice for any Buick Gran Sport owner looking to maintain the performance and longevity of their manual V8 engine. The high-quality components in this kit are manufactured to meet or exceed OEM specifications, ensuring a perfect fit and reliable performance. Whether you're a seasoned mechanic or a DIY enthusiast, this seal kit is an essential addition to your toolbox.

In summary, the National C789 81-9 Shaft Seal Kit is a must-have for any 1965-1967 Buick Gran Sport with a manual V8 engine. This comprehensive kit includes everything you need to keep your engine's power transmission system running smoothly and leak-free, with high-quality lip seals, O-rings, and installation tools all included. Trust National to provide you with the best parts for your classic Buick.

Buying a National C789 81-9 Shaft Seal Kit for 1965-1967 Buick Gran Sport Manual V8: Pros, Cons, and Conclusion

The National C789 81-9 Shaft Seal Kit is designed for the manual V8 transmission of the 1965-1967 Buick Gran Sport. As with any automotive part purchase, there are pros and cons to consider before making a decision.

1. OEM Quality: The National C789 81-9 Shaft Seal Kit is manufactured by National Sealing, a reputable supplier of OEM (Original Equipment Manufacturer) parts.

2. Improved Performance: A worn-out shaft seal can cause power loss, leaks, and other issues. Replacing it with a new seal can improve your vehicle's performance.

3. Peace of Mind: By using an OEM part, you can have confidence that the part will function as intended and last longer than aftermarket alternatives.

4. Availability: This seal kit is specifically designed for the 1965-1967 Buick Gran Sport, ensuring a perfect fit.

1. Price: OEM parts, like the National C789 81-9 Shaft Seal Kit, can be more expensive than aftermarket alternatives.

2. Installation Complexity: Installing the shaft seal kit can be a complex process, requiring specialized tools and knowledge.

3. Potential for Unforeseen Issues: Depending on the condition of your vehicle, there might be other related issues that need addressing once the new seal is installed.

The National C789 81-9 Shaft Seal Kit offers several advantages, including OEM quality, improved performance, and peace of mind. However, the higher price point and potential installation complexities are drawbacks to consider. Ultimately, if you're looking for a reliable and long-lasting solution for your 1965-1967 Buick Gran Sport's manual V8 transmission, the National C789 81-9 Shaft Seal Kit is a worthwhile investment. If budget is a concern, consider researching aftermarket alternatives or seeking advice from a trusted mechanic.

Details:

National Output Shaft Seal Kit for 1965-1967 Buick Gran Sport Manual vz: Status: In Stock.

specifications manutransmission:

• for makes: Buick
• for years: 1965-1967
• brand: National
• mpn: 1967
• type: Manual Transmission Output Shaft Seal Kit
• manufacturer warranty: 1 Year
• ipn: C789 81-9
• item length: 2.750
• placement on vehicle: Transmission Gaskets Sealing Systems
• compatible model: Gran Sport
• compatible year: 1967 1966 1965
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Manual Transmission Output Shaft Seal Kit

general manutransmission:

• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts
• condition: New

returns manutransmission:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

payments manutransmission:

• other
• wallet: Google-pay
• credit card: Visa

offer manutransmission:

• quantity: 7
• sold: 0
• availability: In Stock
• started: August 23, 2025
• options: Ship-to-home

shipping manutransmission:

• type: Fixed
• cost: $0.00
• service: Standard, Expedited
• transit: 4-7 Days
• class: Standard, Expedited

seller manutransmission:

• # reviews: 563528
• rating: 98.7%
• city: Indianapolis, Indiana

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