BBB A+ Accredited Business
Description
Sierra 18-7703 Knock Sensor
Sierra replacement knock sensor for Mercruiser, Volvo Penta, and OMC Stern Drives.
- Fits: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines
Interchangeable with:
- EMP
- 1300-36040
- Mallory
- 9-33500
- Mercruiser Stern Drive
- 805544T
- 8M0077616
- OMC Stern Drive
- 3854512
- Volvo Penta
- 3854512
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.