PAI part description

Features & Benefits

  • Durable steel construction
  • Direct replacement for OE part 28425R1
  • Multiple Engine Application
  • Genuine Original Equipment Manufactured part; includes OEM warranty
  • Quality You Can Trust - PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

Product Attributes

Material Steel
Inside Diameter 0.656 IN
Inside Diameter 16.66 MM
Thickness 4.78 MM
Outside Diameter 1.5 IN
Outside Diameter 38.1 MM
Notes Washer, 0.656 in I.D. x 1.5 in O.D. x 0.188 in Thick 16.66 mm I.D. x 38.1 mm O.D. x 4.78 mm Thick

Part Interchanges

Backed by 40 years of part manufacturing experience, PAI Industries® has been providing the heavy-duty truck industry with high-quality service parts for the engine, gearing, exhaust, suspension, and electrical systems. This brand has been manufacturing its products in the USA since 1973, and it owes its worldwide success to its dedicated and experienced employees. PAI takes pride in being an ISO 9001:2015-certified auto and truck parts manufacturer, operating in a 54,000 square feet facility that is equipped with state-of-the-art machinery. PAI’s technicians also perform 100% testing and inspection in its oil pump, water pumps, gear, synchronizer, and cylinder head to ensure durability and reliable performance.

PAI 442100 Cross Reference

We have 3 alternatives for the 442100 by PAI:

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