91GJTY78 NATIONAL Rear Outer Pinion Seal Magnette Mgb Midget

Review NATIONAL Rear Outer Pinion Seal For Magnette Mgb Midget Za Zb for MGA 1954–1956

National 91GJTY78 Rear Outer Pinion Seal for Magnette MGA, MGB, Midget, ZA, and ZB (1954-1956)

The National 91GJTY78 Rear Outer Pinion Seal is an essential component for the drivetrain system of classic vehicles such as the Magnette MGA, MGB, Midget, ZA, and ZB manufactured between 1954 and 1956. This high-quality seal is designed to prevent oil leakage from the pinion shaft, ensuring a reliable and efficient power transmission from the gearbox to the differential.

The seal is made from a robust, oil-resistant rubber compound, which is specifically formulated to withstand the rigors of continuous use in high-torque applications. Its unique design features an O-ring seal that creates a tight seal around the pinion shaft, preventing oil from escaping.

The National 91GJTY78 Rear Outer Pinion Seal is an exact fit for the specified Magnette and MG models, ensuring a seamless installation process. It comes complete with all necessary fitting tools and instructions, making it easy for enthusiasts to replace the old, worn-out seal themselves.

Installing the new seal not only stops oil leaks but also helps to maintain the overall performance and longevity of the vehicle's drivetrain system. By preventing oil loss, the seal ensures that the pinion shaft and other related components are adequately lubricated, reducing the risk of wear and tear that can lead to more significant issues down the line.

Additionally, this premium quality seal is backed by National's commitment to excellence and their extensive knowledge and experience in manufacturing automotive sealing solutions. With a focus on precision engineering and rigorous quality control, you can trust that the National 91GJTY78 Rear Outer Pinion Seal will provide reliable service for your cherished classic car.

Buying a National 91gjty78 Rear Outer Pinion Seal for Magnette MGA MGB Midget (1954-1955-1956): Pros, Cons, and Conclusion

The National 91gjty78 rear outer pinion seal is a crucial component for several classic car models, including the Magnette MGA, MGB, Midget, and ZB, manufactured between 1954 and 1956. This article aims to provide an unbiased analysis of the pros and cons of purchasing this seal to help potential buyers make an informed decision.

1. Availability: The National 91gjty78 rear outer pinion seal is readily available from various automotive parts suppliers, both online and offline. This wide availability makes it a convenient choice for car owners looking to replace their worn-out seals.

2. High-Quality: National is a reputable automotive parts manufacturer known for producing high-quality components. The 91gjty78 rear outer pinion seal is no exception, as it is designed to meet or exceed original equipment specifications.

3. Reliable: Once installed, the National 91gjty78 rear outer pinion seal is expected to provide reliable service, preventing leaks and ensuring the smooth operation of the drivetrain.

4. Cost-Effective: Compared to the cost of a complete differential rebuild or a new car, the National 91gjty78 rear outer pinion seal is a cost-effective solution for addressing a leaking differential.

1. Cost: While the National 91gjty78 rear outer pinion seal is a cost-effective solution compared to a complete differential rebuild, it can still be a significant investment for some car owners. The price may vary depending on the supplier and the availability of any promotions or discounts.

2. Installation: Installing the National 91gjty78 rear outer pinion seal can be a challenging task, especially for those without prior experience in automotive repairs. Car owners may need to seek professional help, which could add to the overall cost.

3. Potential for Other Issues: A leaking differential may indicate underlying issues, such as worn-out bearings or damaged gears. Installing a new seal without addressing these issues could lead to further damage and additional costs.

The National 91gjty78 rear outer pinion seal is a reliable and high-quality solution for addressing a leaking differential on Magnette MGA, MGB, Midget, and ZB models from 1954 to 1956. Its wide availability and cost-effectiveness make it an attractive choice for car owners. However, the installation process and potential for other underlying issues should be carefully considered before making a purchase.

For car owners with experience in automotive repairs, the National 91gjty78 rear outer pinion seal can be a cost-effective and reliable solution for a leaking differential. However, for those without the necessary skills or tools, it may be wise to consult a professional mechanic to ensure a successful installation. Additionally, it's essential to consider the potential for other underlying issues and address them accordingly to prevent further damage and additional costs.

Details:

Rear outer pinion seal 91GJTY78 for magnette Mga mgb midget za zb 1954 1955 1956: position: brand: National condition: new, notes differential with british leyland axle features: design type: spring loaded; single-lip. Delivers quality and reliable performance for every type of repair. Low swell in hydrocarbon fluids. Good low temperature capability.

Detailed applications vehicle, 1956-1962 mg Mga, 1962-1967 mgb, 1959-1962 magnette, 1960, 1962-1979 midget, 1954-1956 za, 1957-1958 zb. Temperature range: -40f to 225f / -40c 107c.

specifications differentialsdepo:

• for models: Mga
• for years: 1954–1956
• brand: National
• mpn: 91gjty78
• type: Pinion Seal
• placement on vehicle: Rear Outer
• fits 1: 1959-1962 Mg Magnette
• fits 2: 1956-1962 Mg Mga
• fits 3: 1962-1967 Mg Mgb
• fit note: Differential Pinion Seal With British Leyland Axle
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

offer differentialsdepo:

• prices: $13.49–$22.46
• item condition: New
• sold #: 14
• availability: in stock
• in stock #: 2
• options: ship-to-home
• started: october 19, 2025

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

shipping differentialsdepo:

• class: standard
• service: standard
• transit: 3-6 days
• type: fixed

returns differentialsdepo:

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

seller differentialsdepo:

• # reviews: 52959
• city: portland, tennessee
• rating: 91.5%

payments differentialsdepo:

• other
• wallet: paypal
• credit card: mastercard