NATIONAL 7412S Transmission Shaft Seal Gm 15635337

( Brand: National ), ( Manufacturer Part Number: 7412S ), ( Seal Outside Diameter: 1.78 ), ( Type: Transmission Input Shaft Seal ), ( Ipn: 15635337 ), ( Seal Width: 0.250 ), ( Vintage Part: No ), ( Country Of Origin: Mexico )

Review NATIONAL Transmission Input Shaft Seal Ford Gm Jeep

National 7412S Transmission Shaft Seal - Compatible with Ford, GM, and Jeep Vehicles

The National 7412S Transmission Shaft Seal is an essential component designed to prevent transmission fluid leakage in various automobiles, including Ford, GM, and Jeep models. This premium seal ensures the efficient operation of your vehicle's transmission system by maintaining the correct fluid level and securing the connection between the transmission and the driveshaft.

This seal is specifically engineered to fit perfectly in the transmission shaft housing of your vehicle, providing a tight and reliable seal against transmission fluid and contaminants. Its high-quality design ensures a long-lasting and effective solution for common transmission leaks.

Manufactured using advanced materials, this seal boasts superior durability, resistance to wear and tear, and the ability to withstand the harsh conditions within a vehicle's transmission system. Its elastomeric properties enable it to expand and contract with temperature changes, allowing for a snug fit and consistent performance.

Installing this National 7412S Transmission Shaft Seal is a straightforward process, making it an excellent choice for DIY enthusiasts and professional mechanics alike. Replacing a damaged or worn-out seal with this new one can save you the cost of extensive transmission repairs or replacements.

In summary, the National 7412S Transmission Shaft Seal is an essential upgrade for your Ford, GM, or Jeep vehicle. By preventing transmission fluid leaks and ensuring a secure connection between the transmission and driveshaft, this seal guarantees improved performance, increased efficiency, and extended vehicle life.

Buying a national 7412S transmission shaft seal for Ford, GM, or Jeep vehicles can be an essential repair for maintaining the proper functioning of the transmission system. Here are some pros and cons to consider before making a purchase.

1. Ensures Proper Sealing: A worn-out or damaged transmission shaft seal can cause leaks, leading to transmission fluid loss and potential damage to other transmission components. Replacing the seal can prevent these issues and ensure proper sealing, thereby extending the life of the transmission.

2. Improved Transmission Performance: A well-sealed transmission can lead to improved performance. Seals help prevent fluid leaks, which can result in smoother shifting, better acceleration, and more consistent power delivery.

3. Long-Term Cost Savings: Addressing transmission issues like leaks promptly can save you money in the long run. Ignoring the problem and allowing it to worsen could result in more extensive repairs or even the need for a transmission replacement.

4. Enhanced Safety: A malfunctioning transmission can pose safety risks, particularly in heavy traffic or on highways. Replacing the transmission shaft seal can help prevent transmission failure, ensuring safe operation on the road.

1. Cost: A new transmission shaft seal may come with a significant price tag, depending on the make, model, and year of the vehicle. Labor costs for the installation process can add to the overall expense.

2. Installation Complexity: Transmission shaft seals can be challenging to replace, particularly for those without mechanical expertise. Incorrect installation could lead to leaks or other complications.

3. Potential for Additional Repairs: Transmission issues often arise due to the failure of multiple components, not just the seal. Replacing the seal may reveal other underlying problems that require additional repairs and expenses.

A national 7412S transmission shaft seal is an essential component for maintaining the proper functioning of the transmission system in Ford, GM, and Jeep vehicles. While the cost and installation complexity may be concerns, the benefits of improved performance, long-term cost savings, and enhanced safety make the investment worthwhile.

If you suspect a transmission shaft seal issue or notice signs of leaking, it's recommended to consult a professional mechanic. They can diagnose the problem accurately and provide you with a reliable and cost-effective solution. If you're confident in your mechanical abilities and have the necessary tools and knowledge, you may opt to replace the seal yourself. However, remember that a well-installed seal is crucial to ensuring the longevity and performance of your transmission system.

Details:

Ford:F-Series trucks 1965-1992, Mustang 1983-2019. If Product has been installed or hooked up. Trans model: T5 NWC/WC, T4, T45, T56, T18, T19, 3650, 3150, 6060.

Jeep:CJ5, CJ6, CJ7, Cherokee, Wagoneer 1965-1986, Scrambler 1981-1985, and various J-Series trucks. Some boxes may show signs of wear and smudging from being handled but pictures will the condition part contents that comes with product. Please look at pictures closely. National7412S Transmission Input Shaft Seal, Ford, GM, Jeep 1.758 ODx1.20 ID x.250.

GM Chevy/Buick/Old's/Pontiac: Extensive coverage for classic and modern cars/trucks, including Camry, Suburban, various Buick model's.

part #: 7412s prices

• $6.00-$12.94

specifications manutransmission:

• for makes: Ford, Jeep
• brand: National
• mpn: 7412s
• seal outside diameter: 1.78
• type: Transmission Input Shaft Seal
• ipn: 15635337
• seal width: 0.250
• vintage part: No
• country of origin: Mexico

general manutransmission:

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

seller manutransmission:

• # reviews: 1637
• city: Swea City, Iowa
• rating: 99.9%

returns manutransmission:

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

offer manutransmission:

• options: Ship-to-home
• sold: 0
• started: April 1, 2026
• quantity: 1
• availability: In Stock

shipping manutransmission:

• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• cost: $0.00
• transit: 3-8 Days
• type: Fixed

payments manutransmission:

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

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