DB Electrical HO-ADR0334-140AMP-10SI-Marine New Alternator for 140+ Amp Delco Marine Mercruiser 1-Wire 20051 20102 1100576 1100577 1102393 1102496 1105478 56045 59755 69729 983424 983836 988247 100% New aftermarket unit built to meet OEM specifications 1-year warranty protects you after your purchase Factory direct pricing with no middleman markup delivers exceptional value Fits Mercrusier, OMC, Volvo Penta and many other applications Specs: Delco alternator, 140+ amp, 1-wire. Output at idle is 85 amps; maximum output of 140+ amps is achieved at 1200 engine rpms