Sierra 18-5817 Raised Bracket Solenoid for Mercruiser, Mercury Sierra replacement starter solenoid for Mercruiser and Mercury engines. Sierra replacement parts are manufactured to meet or exceed OEM requirements. Fits Most Mercruiser and Mercury Marine Applications Curved Bracket. Stepped mounting plate Fits Outboard starters Mercruiser starter power trim Interchangeable with Arco SW058 GLM 72400 Mallory 9-15112 9-15112-10 Mercruiser Stern Drive 89-846070 89-94318 89-96158 89-96158T Mercury Ma