Delco Marine 12V 105 Amp 10SI Three-Wire Alternator Replacement for Volvo Penta Mercruiser Boats Drop-In OEM Match Includes 1100186 78403A2 92497A3 982364 18-5957 18-5951

Marine 12V 105A 10SI alternator replacement for Volvo Penta
✔️ 12V 105A, CW rotation, V1 pulley, IR regulator, EF fan, OEM 400-12485

A 12V, 105A three-wire marine alternator replacement designed to drop into Volvo Penta and MerCruiser boats. This unit matches OEM specifications for reliable charging on the water.

✅ 12V output
✅ 105A capacity
✅ Rotation: CW
✅ Pulley: V1 class
✅ Regulator: IR
✅ Fan: EF type
✅ Interchanges: Arrowhead 400-12485; FAMILY 10SI; J & N 400-12485

💡 What is a 12V 105A marine alternator used for in boat engines? This handy unit keeps your electrical system charged while on the water. - Keeps 12V charging for engine and house batteries - Drops in as a direct replacement for Volvo Penta MerCruiser boats - Matches OEM numbers like Arrowhead 400-12485 and 10SI family - Backed by a 1-year warranty and responsive support