National® - Front Crankshaft Repair Sleeve

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1964 Checker Marathon
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Product Details

Checker Marathon 3.7L 1964, Front Crankshaft Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built to the original equipment specifications to ensure factory-like fit, quality, and reliability.



Material: Stainless Steel
Flanged Outside Diameter (in): 2.469
Flanged Outside Diameter (mm): 62.710
Installation Depth (in): 1.375
Installation Depth (mm): 34.930
Overall Width (in): 0.938
Overall Width (mm): 23.830
Shaft Size Maximum (in): 2.063
Shaft Size Maximum (mm): 52.400
Shaft Size Minimum (in): 2.057
Shaft Size Minimum (mm): 52.250
Width on Shaft (in): 0.781
Width on Shaft (mm): 19.840


  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

National, one of the most respected brands in the automotive industry and the leader in wheel end technology, provides complete wheel end solutions to keep your vehicle running smoothly and performing at its best. If you are looking for the part that fits and performs exactly like the stock one and lasts even longer, this company will have you covered with quality components that meet or surpass OE requirements. National selects only sturdy materials to ensure every product delivers long-lasting durability. Choose National if you are looking for an effective wheel end solution at a perfect price-quality ratio.

National®, a brand of Federal-Mogul Corporation, is a well-known name not only in the automotive industry, but also on the agricultural and industrial markets. For over 60 years in the game, National has built a well-earned reputation offering high-end, premium products that meet and exceed the OE requirements across a wide array of wheel bearings and oils seal needs. The team at National keeps pace with the industry and provides ultimate solutions to meet the needs of today’s vehicles. The company has modern equipment, technology, and expertise to coordinate the development, manufacturing, and testing of a product for maximum satisfaction of customers' needs. National is a premier choice when it comes to complete wheel end solutions.

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Warranty Information

National warrants its products to be free from defects in materials or workmanship for a period of 24 months. The warranty period begins on the date the product is delivered.

The warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance.

During the warranty period, National will repair or replace, at no charge, a product that is defective in materials or workmanship. National reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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Low Prices Price match guarantee
In-House Experts We know our products
Guaranteed Fitment Always the correct part
Easy Returns Quick & Hassle Free

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