PAI part description

Features & Benefits

  • Precise construction ensuring proper fit, quality electronic design ensuring sensor longevity.
  • Direct replacement for OE oil pump part number 21636091
  • Mack Multiple Engine Application
  • Genuine PAI product including a factory 2-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

Product Attributes

Connector Shape Rectangular
Color/Finish Black
Notes NOx Sensor Mack Multiple Application
Pin Count 4
Sensor Type NOx
Thread Size M20x1.5

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 853761 Cross Reference

We have 11 alternatives for the 853761 by PAI:

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