New Sierra 18-3581 circulating water pump for Chrysler LM318, and 360 cu.in. engines. Bi-Rotational bronze impeller, for both LH and RH engines. Supplied with mounting gaskets. 1-year limited warranty. 

Please make sure this pump fits your moto before ordering.

Replaces Chrysler 3004886, 3745985, 4417905, Mallory 9-42602

  • Used on Chrysler LM318, M340 and M360 engines from 1975 and up
Sierra 18-3581 circulating water pump for Chrysler LM318, and 360 cu.in. engines. Bi-Rotational bronze impeller, for both LH and RH engines. Supplied with mounting gaskets.Replaces Chrysler 3004886, 3745985, 4417905, Mallory 9-42602

Interchangeable with:

  • Chrysler Inboard
    • 3004886
    • 3745985
    • 3619542
    • 4417905
  • GLM
    • 15500
  • Mallory
    • 9-42602
Box has been damaged some from storage and shipping but pump is new, includes gasket.