Alternator V-Belt – Fits Yanmar 3JH2, 3JH3, 3JH4E Marine Diesel Series (Replaces 129940-42310, 129940-42310E) 465HP Remove the old impeller using

Remove the old impeller using pliers or an impeller puller tool

2 x Exhaust Elbow Gasket (Replaces 3850495/908013)

Tighten the mounting bolts securely to the manufacturer's recommended torque specifications

removing all old gasket material

Alternator V-Belt – Fits Yanmar 3JH2, 3JH3, 3JH4E Marine Diesel Series (Replaces 129940-42310, 129940-42310E) 465HP Remove the old impeller usingProduct Details This is a genuine replacement Alternator V Belt designed for a range of Yanmar marine diesel engines, specifically the 3JH series models including 3JH2 E, 3JH2 TE, 3JH3E, and 3JH4E (1999present). It ensures reliable power transmission from the crankshaft to the alternator, maintaining your engine's electrical system performance. This part is a direct interchange for Yanmar part numbers 129940 42310, 129940 42310E, 171087 42280, and