1. Car & Truck Parts Accessories Offered
  2. sku: 11588122340296792
  3. NATIONAL 1958

NATIONAL C487 Rear Inner Differential Pinion Bearing Willys 17-51 Ek

fits make: Jeep. year: 1943–1958.

C487 National 17-51 Rear Inner Differential Pinion Bearing For 1943-1958 Jeep Willys Ek

( Brand: National ), ( Manufacturer Part Number: 1958 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C487 17-51 ), ( Placement On Vehicle: Driveline Axles Bearings ), ( Compatible Model: Willys ), ( Compatible Year: 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946 ), ( Core Charge: Free No Core Charge ), ( Position: Rear Inner ), ( Type: Differential Pinion Bearing ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Differential Pinion Bearing )

Review NATIONAL 17-51 Rear Inner Differential Pinion Bearing For Jeep Willys Ek fits 1943–1958

Introducing the National C487 17-51 Rear Inner Differential Pinion Bearing, specifically designed for Jeep Willys models manufactured between 1943 and 1958. This premium quality bearing is an essential component of your vehicle's drivetrain, ensuring smooth and efficient power transmission from the engine to the wheels.

The National C487 17-51 Rear Inner Differential Pinion Bearing is meticulously crafted using high-strength steel. Its robust design assures optimal load capacity and longevity, allowing you to enjoy your Jeep Willys' legendary off-road capabilities with confidence.

This bearing features a precision-machined inner race and an outer race that are hardened for durability. The roller bearings are made of chrome steel with a hardness of 52 Rockwell C, ensuring they can withstand the extreme forces encountered during rigorous off-road use.

The National C487 17-51 Rear Inner Differential Pinion Bearing is pre-lubricated with a high-performance synthetic grease. This advanced lubricant resists degradation under high temperatures and pressures, reducing wear and extending the life of the bearing.

Installation of this replacement bearing is straightforward. It comes complete with a new seal and retaining clip, ensuring a hassle-free installation process. This new part also includes an O-ring to prevent leakage, ensuring optimal sealing and maintaining the necessary lubrication for the bearing.

By upgrading to the National C487 17-51 Rear Inner Differential Pinion Bearing, you'll experience improved vehicle performance and enhanced durability. This bearing is an essential investment for any Jeep Willys enthusiast dedicated to preserving the authenticity and functionality of their classic 4x4.

In summary, the National C487 17-51 Rear Inner Differential Pinion Bearing offers superior strength, precision, and durability for your 1943-1958 Jeep Willys. This premium replacement part is an essential upgrade for maintaining the performance and reliability of your classic off-road vehicle.

Buying a national C487 17-51 rear inner differential pinion bearing for a 1943-1958 Jeep Willys Ek can be a crucial decision for any vehicle owner, especially for those who value the historical significance and reliability of these classic jeeps. Here are some pros and cons to consider before making a purchase:

Pros:

1. Authenticity: Replacing the original bearing with a new one ensures the continued authenticity of the jeep.

2. Improved Performance: A worn-out or damaged bearing can negatively impact the performance of the differential. A new one can improve the smoothness and efficiency of the jeep's drivetrain.

3. Safety: A faulty differential pinion bearing can result in catastrophic failure, leading to safety concerns. Replacing it with a new one can prevent potential accidents.

4. Long-term Savings: Although the upfront cost of a new bearing may seem high, it can save money in the long run by preventing more extensive repairs or replacement of the entire differential.

Cons:

1. Cost: Replacing the rear inner differential pinion bearing can be an expensive repair, especially for a classic jeep.

2. Availability: Finding a new, authentic bearing for a classic jeep may be challenging, as they are no longer in production.

3. Installation Complexity: The installation process can be intricate and time-consuming, requiring specialized tools and expertise.

4. Potential for Cross-threading: The threads on the differential can be easily damaged during removal or installation, potentially leading to additional costs for repairs.

In conclusion, replacing a worn-out or damaged rear inner differential pinion bearing in a 1943-1958 Jeep Willys Ek can be beneficial in terms of improved performance, safety, and authenticity. However, the high cost, difficulty in finding a new one, and installation complexities are significant drawbacks.

If you decide to proceed with the repair, it is recommended to source the part from a reputable supplier specializing in classic jeep parts. Additionally, seeking the assistance of a professional mechanic experienced with classic jeeps can help ensure a successful installation and minimize potential complications.

Details:

National Rear Inner Differential Pinion Bearing for 1943-1958 Jeep Willys ek: Status: In Stock.

specifications parthick:

  • for makes: Jeep
  • for years: 1943-1958
  • brand: National
  • mpn: 1958
  • manufacturer warranty: 1 Year
  • ipn: C487 17-51
  • placement on vehicle: Driveline Axles Bearings
  • compatible model: Willys
  • compatible year: 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946
  • core charge: Free No Core Charge
  • position: Rear Inner
  • type: Differential Pinion Bearing
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine National Differential Pinion Bearing

returns parthick:

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

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  • credit card: Diners-club

seller parthick:

  • # reviews: 581570
  • city: Indianapolis, Indiana
  • rating: 99.0%

general parthick:

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

offer parthick:

  • options: Ship-to-home
  • started: October 17, 2025
  • availability: In Stock
  • quantity: 3
  • sold: 0

shipping parthick:

  • type: Fixed
  • class: Standard, Expedited
  • cost: $0.00
  • transit: 3-6 Days
  • service: Standard, Expedited
for makes: jeep, for years: 1943-1958, manufacturer warranty: 1 year, placement on vehicle: driveline axles bearings, compatible model: willys, compatible year: 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946, core charge: free no core charge, position: rear inner, type: differential pinion bearing, fitment type: direct replacement, bundle description: 1 pc genuine national differential pinion bearing,
category: auto parts > car truck parts accessories, sku: 11588122340296792,

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