Delivery info

Delivery is generally
within 2-10 days, depending
on your location.

30 days returns

Return will not accepted if the product is opened or after use. All returns requests need to be within 30 days of when the original order was received. Original shipping costs will not be refunded.


  • Sierra Impeller Repair Kit
  • Meets or exceeds the original equipment quality
  • Sierra part number: 18-3239
  • Interchangeable with the following: GLM 12270
  • Fit specific, check part numbers to ensure proper fit



Sierra's 18-3239 Impeller Repair Kit is designed for use with Mercury/Mariner outboard engines. The kit contains: (1) Sierra 18-3039 Impeller, (1) Sierra 18-3139 Impeller Plate, and (1) Sierra 18-7409 O-Ring.

It is interchangeable with GLM 12270. Each Sierra product meets or exceeds the original equipment part it replaces.



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