National PTFE Transmission Output Shaft Seal 710732 Loaded Grease

Description

Product Overview

The National PTFE Output Shaft Seal model 710732 is a precision‑engineered component designed for automatic transmission applications. Constructed from high‑grade Polytetrafluoroethylene (PTFE) and featuring an integrated grease pack, this seal delivers exceptional chemical resistance and a low coefficient of friction. Its spring‑loaded, multi‑lip design ensures a tight seal across a wide temperature range, from -100°F to 450°F, while maintaining dry‑run capabilities that protect surrounding components. Dimensions measure 3.25 x 3.25 x 0.88 inches and the unit weighs just 1.06 ounces, making it easy to handle and install.

Usage

Ideal for automotive technicians and DIY enthusiasts, this seal is suited for replacing worn or damaged output shaft seals in automatic transaxles. Its robust construction handles high‑heat environments such as performance upgrades, heavy‑duty towing, and off‑road use. The seal’s resistance to hydrocarbon and oxygenate blends makes it reliable for both gasoline and diesel applications, ensuring long‑lasting performance in everyday driving and demanding conditions.

Why Choose Us

National’s reputation for quality automotive components backs this PTFE seal. Each unit undergoes rigorous testing to meet industry standards, guaranteeing consistent performance and durability. The integrated grease eliminates the need for separate lubrication steps, reducing installation time and potential errors. With a proven track record reflected in a 4‑star rating from 37 verified customers, you can trust this seal to deliver reliable service life.

Key Features

• Integrated grease pack simplifies installation and ensures immediate lubrication.
• Spring‑loaded multi‑lip design provides a tight seal even under extreme temperature fluctuations.
• Low friction PTFE material reduces wear on mating components, extending service intervals.
• Resistant to hydrocarbon and oxygenate blends, suitable for both gasoline and diesel transmissions.
• National’s customer support offers technical assistance and a hassle‑free return policy.

FAQ

What vehicles is the 710732 seal compatible with?

The seal fits a range of automatic transaxles that use a standard output shaft size. Refer to your vehicle’s service manual or contact National support with the VIN for exact compatibility.

Do I need to apply additional grease during installation?

No additional grease is required. The seal comes with an integrated grease pack that provides optimal lubrication from the moment it is installed.

Can this seal be used in high‑performance or racing applications?

Yes. Its temperature rating up to 450°F and low‑friction PTFE construction make it suitable for high‑heat, high‑stress environments typical of performance and racing setups.

How does the spring‑loaded design benefit the seal?

The spring maintains constant pressure on the sealing lips, compensating for shaft expansion and contraction, which helps prevent leaks across a wide temperature range.

What is the warranty on this product?

National offers a limited one‑year warranty covering manufacturing defects. Contact customer service with your purchase details for assistance.