ARCO Marine Premium Replacement Inboard Alternator w/Single Groove Pulley - 12V 55A One Size. M.C. Cobra. Prestolite/Motorola 12 Volt 55 Amp Internal regulator Negative ground 2-inch mounting foot Single groove pulley included.Features:All alternators are engineered for performance and reliabilityAll alternators are engineered and manufactured with precision and qualityAll alternators must meet or exceed OEM performance before being boxedWarranty Information:When properly installed all ARCO products are warrantied against defects in materials and workmanship for a period of 12 months for leisure use and 90 days for commercial or racing applications.Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors Alternators Outboard Starters and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com/product-registrationReplaces:BRP-OMC Alternator 983424BRP-OMCAlternator 984565BRP-OMC Alternator 985465BRP-OMC Alternator 985466BRP-OMC Alternator 986008BRP-OMC Alternator 988247BRP-OMC Alternator 3853853BRP-OMC Alternator 3854182BRP-OMC Alternator 3854809BRP-OMC Alternator 3857298BRP-OMC Alternator 3860769VOLVO Alternator 3850927-9VOLVO Alternator 3853853-4VOLVO Alternator 3854182-7VOLVO Alternator 3854809-5VOLVO Alternator 3857298VOLVO Alternator 3860173VOLVO Alternator 857298SIERRA Alternator 18-6260SIERRA Alternator 18-6842This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications for ARCO Marine Premium Replacement Inboard Alternator w/Single Groove Pulley: Manufacturer: ARCO Marine Application: Outdoor Color: Black Package Contents: ARCO Marine Premium Replacement Inboard Alternator w/Single Groove Pulley ARCO Marine 60125: Premium Replacement Inboard Alternator w/Single Groove Pulley - 12V 55A One Size