NATIONAL SX-F8J7 Rear Outer Differential Pinion Seal Np American

( Brand: National ), ( Manufacturer Part Number: SX-F8J7 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C207 32-22 ), ( Placement On Vehicle: Driveline Axles Gaskets Sealing Systems ), ( Compatible Make: American Motors ), ( Compatible Model: Rebel ), ( Compatible Year: 1961 1960 1959 1958 ), ( Core Charge: Free No Core Charge ), ( Position: Rear Outer ), ( Type: Differential Pinion Seal ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Differential Pinion Seal )

Review NATIONAL Rear Outer Differential Pinion Seal For American Motors Np fits 1958–1961

Introducing the National SX-F8J7 Rear Outer Differential Pinion Seal, a crucial component designed specifically for American NP vehicles manufactured between 1958 and 1961. This seal plays a vital role in maintaining the differential fluid within your vehicle's rear axle, ensuring optimal performance and preventing potential leaks.

The National SX-F8J7 Rear Outer Differential Pinion Seal is meticulously engineered from high-quality materials that provide superior sealing abilities. Its design allows it to effectively prevent the differential fluid from escaping, while also allowing the necessary components to rotate freely. This balance between sealing and flexibility is what sets this seal apart.

The seal's outer diameter measures 1.98 inches, with an inner diameter of 1.01 inches, and it has a length of approximately 1.2 inches. The National SX-F8J7 seal features a double-lip design, which provides an extra layer of protection against leaks. The lip thickness is 0.080 inches, ensuring a snug fit and strong seal.

Installation of this seal is a straightforward process. However, it is essential to ensure that the old seal is removed completely before installing the new one. Remove the differential cover, and carefully extract the old seal, taking care not to damage the mating surfaces. Once the old seal is removed, the new National SX-F8J7 Rear Outer Differential Pinion Seal can be installed by pressing it into place.

In conclusion, the National SX-F8J7 Rear Outer Differential Pinion Seal is an essential upgrade for any 1958-1961 American NP vehicle. Its superior sealing abilities and durable construction will help keep your differential fluid contained, preventing potential leaks and ensuring the longevity of your vehicle's drivetrain.

Pros and Cons of Buying a National SX-F8J7 Rear Outer Differential Pinion Seal for 1958-1961 AmericanNP Cars

The National SX-F8J7 rear outer differential pinion seal is a crucial automotive part designed for specific models of AmericanNP cars from 1958 to 1961. Replacing a worn-out seal can prevent potential leakages and ensure the longevity of the differential system. In this analysis, we will discuss the advantages and disadvantages of purchasing this seal.

1. Precision fit: The National SX-F8J7 seal is engineered to fit seamlessly into the differential housing of the specified AmericanNP models. This precise fit ensures a secure seal, minimizing the chances of leaks and potential vehicle damage.

2. High-quality materials: The seal is manufactured using high-quality materials that can withstand the rigors of continuous use in a differential system. These materials guarantee durability and resistance to wear and tear.

3. OEM (Original Equipment Manufacturer) alternative: Purchasing this aftermarket seal can save you money compared to buying an original equipment manufacturer (OEM) seal directly from the car manufacturer. Aftermarket parts are typically more affordable while still providing reliable performance.

4. Reduces the risk of differential damage: A leaking differential pinion seal can cause damage to the differential system and other components. Replacing the seal promptly can prevent further damage and save you money on potential repairs.

1. Potential for installation difficulties: Depending on the vehicle's condition and the complexity of the differential system, installing the new seal might require professional assistance. This could add to the overall cost of the repair.

2. Additional parts may be needed: In some cases, replacing the pinion seal might necessitate the replacement of other related components, such as the pinion bearing or the differential cover gasket. These additional parts could increase the overall cost of the repair.

3. Availability: While the National SX-F8J7 seal is widely available through various automotive parts retailers, it may not be immediately accessible in every location. This could result in a delay in obtaining the part and completing the repair.

In conclusion, purchasing a National SX-F8J7 rear outer differential pinion seal for 1958-1961 AmericanNP cars offers several advantages, including a precise fit, high-quality materials, cost savings compared to OEM alternatives, and the prevention of potential differential damage. However, it also comes with some disadvantages, such as potential installation difficulties, the need for additional parts, and availability concerns. Ultimately, the decision to buy this seal depends on your budget, vehicle condition, and personal preferences. If you value a reliable and cost-effective solution, the National SX-F8J7 seal is an excellent option.

Details:

National Rear Outer Differential Pinion Seal for 1958-1961 American Motors np: Status: In Stock.

part #: sxf8j7 prices

• $15.26-$28.28

specifications parthick:

• for years: 1958-1961
• brand: National
• mpn: Sx-f8j7
• manufacturer warranty: 1 Year
• ipn: C207 32-22
• placement on vehicle: Driveline Axles Gaskets Sealing Systems
• compatible make: American Motors
• compatible model: Rebel
• compatible year: 1961 1960 1959 1958
• core charge: Free No Core Charge
• position: Rear Outer
• type: Differential Pinion Seal
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Differential Pinion Seal

offer parthick:

• quantity: 2
• availability: In Stock
• started: March 13, 2026
• options: Ship-to-home
• sold: 0

general parthick:

• condition: New
• Parts Accessories > Car Truck Parts Accessories > Other Car Truck Parts Accessories

seller parthick:

• rating: 99.5%
• city: Indianapolis, Indiana
• # reviews: 632636

shipping parthick:

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

payments parthick:

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

returns parthick:

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

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