Quick view Add to Cart Sierra O-Ring 18-0659 $4.49 $3.49 Sierra O-Ring 18-0659 Sierra pressure control valve o-ring meets or exceeds OEM specs. For use with Yamaha 40-70HP, 200-300HP All Models and Years. Interchangeable with: Yamaha... Add to Cart
Quick view Add to Cart Sierra 18-7961 O-Ring $4.49 $3.49 Sierra 18-7961 O-Ring Sierra replacement O-Ring for use on Mercury Marine engines. I.D.: 3.650" Width: 0.135" Interchangeable with: Mallory 9-76569 Mercury Marine 25-47254 Add to Cart
Quick view Add to Cart Sierra 18-7409 O-Ring $1.99 $1.49 Sierra 18-7409 OMC O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For use on OMC Stern Drives. I.D.: 1.175" Width: 0.100" Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-7151 O-Ring $0.54 $0.41 Sierra 18-7151 O-Ring I.D.: 3.000" or 76.2mm Width: 0.135" or 3.4mm Interchangeable with: GLM 82340 Mallory 9-76540 Mercruiser Stern Drive 25-39572 25-20081 Mercury... Add to Cart