Aftermarket Alternators

Sierra G Alternator 18-5966

Arco Starting & Charging P New Mer 55A Alternat(60000) 6005012 volt - 55 ampFits: late model MercruiserReplaces: Mercruiser 817119A1Internal regulatorSingle groove pulley2" mounting foot

Sierra Alternator 18-6293

Sierra Alt Conv Kit 3.7L MerCruiser #804916A 1 18-5953-1Includes new 68 AMP alternator; mounting brackets 18-5968; pulley; wiring; hardware and instructions. Converts model 470 aluminum block MerCruiser engines serial number 4625580 & up with stator...

Sierra Alternator-51Amp Presto-Motor 18-6260

Sierra Alternator-65Amp 2-Wire Serp 18-5960

Sierra Alternatr-Yan#119773-77200 80A 18-6849These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor...

Arco Starting & Charging Alternator 105A 6012212 volt - 105 ampSelf exciting integral regulatorIsolated groundWith tach terminal & ext. voltage adjustment Single groove pulley

Arco Starting & Charging Alternator 12V 105A Sgl Groove 6012112 volt - 105 ampSelf exciting integral regulatorIsolated groundWith tach terminal & ext. voltage adjustment Single groove pulley

Arco Starting & Charging Alternator 12V 55A Sgl Grv OMC 6012512 volt - 55 ampReplaces: Prestolite/Motorola Internal regulatorNegative groundSingle groove pulley2" mounting foot

Arco Starting & Charging Alternator 12V/50Amp Int'L Fan 2085012 Volt - 50 AMPInternal FanMulti-groove serpentine pulley includedIncludes wire/plug connectorWill not replace Mercury 821663A 1

Arco Starting & Charging Alternator 12V/70Amp Int'L Fan 20800Fits: Mercruiser 4.3L - 8.2L 1998-Up 12 Volt, 70 AMPInternal Fan65-mm multi-groove serpentine pulley included

Arco Starting & Charging Alternator Diesel 12V 61 Amp 20100Fits many diesel enginesSelf exciting internal regulatorNegative ground1-wire connectionSingle groove pulley2" mounting foot

Arco Starting & Charging Alternator Pleasurecraft 65Mm 20822Fits: Pleasurecraft RA097007CReplaces: Delco 840002765mm serpentine pully

Arco Starting & Charging Alternator Westerbeke 30594 8605012 volt - 50 amp Internal regulatorSingle groove pully included

Arco Starting & Charging Alterntor Mando Multi Gv Serp 60071Mando Fits: Late model Volvo PentaReplaces: Volvo Penta 385781312 Volt, 65 Amp Internal regulatorMulti-groove serpentine pulley2" mounting foot

Arco Starting & Charging Crus/Yam/Mp New Alternator 55 60075O.E.M. Universal alternator w/ many applicationsFits: Yamaha, Marine Power, CrusaderReplaces: Motorola 12 Volt, 55 Amp, Internal regulatorIncludes: Tachometer terminal, indicator light terminal,...

Arco Starting & Charging I/B Alternator F/Valeo Volvo 80108Fits: Late Model Volvo PentaReplaces: Paris Rhone/Valeo: A13N1M, A13N2M, A13N147M, A13N148M, Volvo Penta: 841762, 841762-8, 841378-3, 841765-1, 872018-7, 872235-7, 841766-9, 858838-6, 858839-4,...

Arco Starting & Charging Inboard Alternator 20815Fits: MercrusierInternal fan50-mm multi-groove serpentine pulley included

Arco Starting & Charging P -Alternator Mul Groove Pull 6005512 volt - 55 ampLate model MercruiserInternal regulator2-inch mounting foot Multi-groove serpentine pulley included