AM132 NATIONAL Transmission Shaft Seal International

Review NATIONAL 42-14 Transmission Input Shaft Seal For International Xl

Introducing the National C156 42-14 transmission shaft seal, specifically designed for International Harvester models Am132 XL from the years 1957 to 1960. This essential component is engineered to provide an effective seal between the transmission shaft and the oil pan, preventing any unwanted leakage and ensuring the smooth operation of your vehicle's powertrain.

The C156 42-14 transmission shaft seal is manufactured using high-quality, durable rubber material. This material offers exceptional resistance to wear and tear, ensuring a long service life and maintaining optimal sealing performance. The seal's design includes a precision-machined, steel backing plate that securely attaches to the transmission shaft and a molded rubber seal that seals against the oil pan.

This seal is an essential part in maintaining the hydraulic system in your vehicle's transmission. By preventing oil leakage, it ensures proper lubrication of the transmission components, which in turn enhances the overall performance and longevity of the powertrain. Additionally, this seal keeps the transmission fluid contained within the system, reducing the risk of messy spills and potential damage to other vehicle components.

When it comes to installation, the National C156 42-14 transmission shaft seal is designed to be a straightforward process. It comes pre-lubricated with a high-quality, synthetic sealant that facilitates easy installation and helps to prevent leaks in the initial stages. The seal is also compatible with both new and rebuilt transmissions, making it a versatile solution for a wide range of restoration projects.

In conclusion, the National C156 42-14 transmission shaft seal is a crucial upgrade for any International Harvester Am132 XL from 1957 to 1960. This high-quality seal ensures optimal sealing performance, reduces the risk of transmission fluid leakage, and contributes to the overall longevity and performance of your vehicle's powertrain. With its durable design and easy installation process, this seal is an essential investment for any serious classic vehicle enthusiast.

Pros and Cons of Buying a National C156 42-14 Transmission Shaft Seal for 1957-1960 International Harvester AM132 XL

a. **Availability:** This is a commonly used seal for International Harvester trucks of this era. It's relatively easy to find and purchase from various automotive parts suppliers.

b. **Durability:** National Seals are known for their high-quality products. This transmission shaft seal should last a long time, providing a reliable seal for the transmission shaft.

c. **Fitment:** This seal is specifically designed for the 1957-1960 International Harvester AM132 XL. It should fit perfectly and require minimal adjustments during installation.

a. **Price:** Compared to some aftermarket seals, the National C156 42-14 seal can be more expensive. However, the higher price may be justified by its superior quality and long-lasting performance.

b. **Installation:** Installing a transmission shaft seal can be a complex process, especially for those without automotive experience. It may be necessary to remove the transmission to access the seal, which can be time-consuming and labor-intensive.

The National C156 42-14 transmission shaft seal for the 1957-1960 International Harvester AM132 XL is a high-quality part with excellent fitment and durability. While it may come with a higher price tag and require professional installation, the long-term benefits often outweigh the initial investment. Ultimately, this seal is a smart choice for those seeking reliable performance and a proper seal for their International Harvester transmission shaft.

If you're in need of a new transmission shaft seal for your 1957-1960 International Harvester AM132 XL, consider investing in a National C156 42-14 seal. Its proven durability, precise fitment, and high-quality materials make it an excellent option for restoring the performance and functionality of your vehicle.

Details:

specifications differentialsdepo:

• for years: 1957–1960
• brand: National
• mpn: 1960
• placement on vehicle: Transmission Gaskets Sealing Systems
• type: Manual Transmission Input Shaft Seal
• item length: 3.250
• manufacturer warranty: 1 Year
• ipn: C156 42-14
• compatible make: International
• compatible model: Am132
• compatible year: 1960 1959 1958 1957
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Manual Transmission Input Shaft Seal

payments differentialsdepo:

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

seller differentialsdepo:

• city: indianapolis, indiana
• rating: 99.3%
• # reviews: 603027

general differentialsdepo:

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

offer differentialsdepo:

• availability: in stock
• sold #: 14
• options: ship-to-home
• in stock #: 5
• started: december 14, 2025
• prices: $13.56–$18.35
• item condition: New

returns differentialsdepo:

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

shipping differentialsdepo:

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