Quick view Add to Cart Sierra 18-7677 Knock Sensor $122.99 $85.99 Sierra 18-7677 Knock Sensor Add to Cart
Quick view Add to Cart Sierra 18-7703 Knock Sensor $88.99 $57.92 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... Add to Cart
