Alternator for MerCruiser 2.5-3.0L, 120-140 Hp | 4.1L, 6-cyl 160-165 Hp | 5.0-7.4L, V8 200-460 Hp engines.

OEM: Mercury Replaces: Mercury 78403A2 | 78477 | 78403A1 | 90794 | 69729 | 59755 | 56045

For Ford, GM & MIE 2.5-3.0L, 120-140 Hp | 4.1L, 6-cyl 160-165 Hp | 5.0-7.4L, V8 200-460 Hp engines.

also crosses with: Sierra: 18-5956