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 Ignition Coil
  • Meets or exceeds the original equipment quality
  • Sierra part number: 18-5436
  • Interchangeable with the following: Mallory 9-29707, Volvo Penta 35254
  • Fit specific, check part numbers to ensure proper fit



Each Sierra product meets or exceeds the original equipment part it replaces.



Manufacturer's Technical Support: 1-877-663-8396



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