Premium Replacement Alternator with Single-Groove Pulley - 12V, 70AReplacement alternator that will fit Mercruiser 3.0L, 1999-Up, 12 Volt, 70 AMP, Internal Fan, 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 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-registration Replaces:DELCO Alternator 19020600DELCO Alternator 19020604MERCURY Alternator 862030TMERCURY Alternator 862030T01SIERRA Alternator 18-5983PROTORQUE Alternator PH300-0033PROTORQUE Alternator PH300-0034MPPARTS Alternator ADR0317MPPARTS Alternator ADR0299QUICKSILVER Alternator 862030T01QUICKSILVER Alternator 862031TThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.