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Specifications

The AFA Industries 1393550 Regulator Housing Gasket is engineered to meet OEM specifications for Caterpillar C15, C16, and 3406E series dual-regulator coolant assemblies. With dimensions of 7.50 in length × 7.50 in width × 1.00 in height and weighing roughly 0.32 lb, this gasket offers both size accuracy and robust sealing performance. Made from composite rubber/fiber material rated for high-temperature coolant environments, it prevents leakage between the regulator housing and engine block under dynamic operating conditions. Ideal for for use on heavy-duty truck engines and stationary industrial units, it supports engine cooling integrity in demanding fleet and industrial operations.



 
Weight
0.32

Compatibility

Caterpillar C15, C16, 3400 / 3406E series dual-regulator engines (mid‑1990s onward)
Freightliner Class 8 trucks with Cat C15/C16 engines (1995+ years)
Kenworth and Peterbilt heavy-duty models powered by Cat dual-regulator engines
Industrial and marine power units with C15/C16 coolant regulator setups

Alternative Part Numbers

  • Caterpillar 139-3550
  • Caterpillar 1393550
  • Interstate‑McBee M‑1393550
  • Reliance Power Products H1393550
  • TRP PARTS‑1393550CAT
  • TruckPro CA139‑3550, FP1393550

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