PAI part description

Product Description

High Performance Maindrive Gear

Application Summary

  • Fuller RTLO 16918 Transmission Application

Features & Benefits

  • Durable construction
  • Direct replacement for OE part 4304510
  • Fuller RTLO 16918 Transmission Application
  • High Performance product including a factory 3-Year 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

PAI High Performance Main Drive Gear

The PAI high performance main gear offers improved power transfer and durability than the competition. It is suitable for demanding heavy duty vehicle applications.

Product Attributes

Material Steel
Color Gray
Color/Finish Gray
Inner Tooth Quantity 18
Material Steel
Outer Tooth Quantity 52
Tooth Count (inner) 18
Tooth Count (outer) 52

Additional Information

Country of Origin (Primary) US
Harmonized Tariff Code (Schedule B) 8708401150
Harmonized Tariff Code (HTS) 8708407570
Warranty Time 3
Warranty Time UOM YR
UPC 00193807108328

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 EF89530HP Cross Reference

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