DB Electrical 400-12139 Alternator Compatible With/Replacement For Chevrolet Silverado 1500 HD 2003, 1500 2003-2005, Express Vans 2003-2005 90-01-4705N, 90-01-4705, 1-2320-21DR, 8247N (COLOR MAY VARY)

**Verify the part fits before purchasing**Product Specifications:Description: AlternatorVoltage: 12Amperage: 105Regulator Location: InternalPulley Type: SolidPulley Outer Diameter: 2.244"Compatible With:Cadillac Escalade 2002-2004, Escalade ESV 2003-2004, Escalade EXT 2002-2004Chevrolet Astro 2001-2004, Avalanche 1500 2002-2004, Avalanche 2500 2002-2004, Express 1500 2001-2004, Express 2500 2001-2004, Express 3500 2001-2004, Blazer 1999-2004, Silverado 1500 1999-2005, Silverado 1500 HD 2001-2003, 2005, Silverado 2500 1999-2004, Silverado 2500 HD 2001-2005, Silverado 3500 2001-2005, Suburban 1500 2000-2004, Suburban 2500 2000-2005, Tahoe 2000-2004, Suburban 1966, Avalanche 2007-2013, C1500 2000-2002GMC Jimmy 1999-2003, Safari 2001-2004, Savana 1500 2001-2004, Savana 2500 2001-2005, Savana 3500 2001-2004, Sierra 1500 1999-2005, Sierra 1500 HD 2001-2003, 2005, Sierra 2500 1999-2004, Sierra 2500 HD 2001-2005, Sierra 3500 2001-2005, Yukon 2000-2005, Yukon XL 1500 2000-2005, Yukon XL 2500 2000-2005, Yukon XL 2015-2026Replaces OEM Numbers:AC Delco Tools: 321-1748, 321-1798, 321-1811, 321-1815, 321-1850, 321-2104, 334-2482, 334-2491, 334-2491A, 334-2516, 334-2528, 334-2528A, 335-1086Arrowhead: ADR0187, ADR0215, ADR0319, ADR0358Bosch: AL8730N, AL8730X, AL8785X, AL8790XDelco: 10464404, 10464438, 10464451, 10464455, 10464481, 10480229, 10480229W, 10480326, 10480326M, 10480388, 10480476, 15755616, 15755616W, 15768829, 19136040, 19136049, 19136074, 19151891, 19151893, 19151894, 19244727, 19244728, 321-1798General Motors: 15755616, 15755616W, 19244727, 19244728, 19244731J&N Electrical Products: 400-12139, 400-12316, 400-12465JANNCO: 400-12139RLester: 8238, 8247, 8273, 8291Valeo: 423016

• RELIABLE PERFORMANCE: Trust this alternator for efficient charging. Its high output and dependable design ensure reliable power, even in demanding conditions. Keep your vehicle running smoothly with confidence.
• HIGH-QUALITY CONSTRUCTION: Our alternator is built to last with superior materials chosen for optimal performance, reliability, and durability.
• EASY INSTALLATION: This alternator has direct fit design, no vehicle modifications. Simple process for quick and easy installation. Maximum output and optimal performance assured.
• COMPATIBILITY: The DB Electrical 400-12139 alternator is compatible with/replacement for Cadillac Escalade 2002-2004, Escalade ESV 2003-2004, Escalade EXT 2002-2004, Chevrolet ASTRO VAN 2001-2004, Avalanche 1500 2002-2004, Avalanche 2500 2002-2004
• Please check the Amazon Confirmed Fit bar to ensure compatibility with your vehicle. If the confirmed fit bar has an "i" in a blue circle, this product has additional notes. Please hover over the “i” to see notes before making your purchase.