DB Electrical 400-12424 12V 100A Alternator Compatible With/Replacement For Chevrolet Astro 1986, Blazer 1987-1988, 1991, G20 1991-1993, G30 1991-1993 321-1041, 321-278, 321-279, 321-304, Clockwise

**Verify part fits before purchasing**Specs:Unit Type: AlternatorVoltage: 12Rotation: CWAmperage: 100Clock: 11Pulley Class: S5Regulator: IRFan Type: EFReplaces OEM Numbers: AC DELCO: 321-341, 321-342, 334-2339, 334-2340, 334-2431ARROWHEAD: 400-12424CARGO: 110984, 112635, 112644DELCO: 10463047, 10463048, 10463421, 10480090, 1101465, 1101807, 1101815, 1105718, 1105720J & N: 400-12424LESTER: 7802-11, 7894-11, 8167-11LESTER (OLD): 7891-11, 7892-11NSA: ALT-1308C, ALT-1333CREMY LIGHT DUTY: 20341, 20342, 20380, 21041Compatible With/Replacement For: CHEVROLET: BLAZER 1987-1988, C / K / R / V SERIES PICKUPS 1987-1988, P SERIES TRUCKS 1987-1995, SUBURBAN 1987-1988CHEVROLET / GMC: P-Series Trucks Vans Etc. 1987-1995GMC: C / K / R / V SERIES PICKUPS 1987-1988, JIMMY 1987-1988, P SERIES TRUCKS 1987-1995, SUBURBAN 1987-1988

• Specs: Alternator, Voltage: 12, Amperage: 100, Rotation Direction: Clockwise, Regulator Location: Internal, Pulley Type: Solid, Pulley Outer Diameter: 2.323"
• Replaces OEM Numbers: AC Delco Tools: 321-1041, 321-278, 321-279, 321-304, 321-309, 321-341, 321-342, 321-471, 334-2290, 334-2291, 334-2304, 334-2322, 334-2339, 334-2340, 334-2431, 335-1010, 335-1223; Arrowhead: ADR0017, ADR0119, ADR0119-220
• Compatible With/Replacement For: Chevrolet Astro 1986, Blazer 1987-1988, 1991, G20 1991-1993, G30 1991-1993, P20 1987-1989, P30 1987-1996, R10 1987, R10 Suburban 1987-1988, R1500 Suburban 1991, R20 1987-1988, R20 Suburban 1987-1988
• Reliable Performance: Engineered to meet OEM specifications for consistent operation, dependable fit, and long service life in compatible applications.
• Ideal for Repairs: Suitable for professional technicians, service shops, fleet maintenance teams, and DIY replacement tasks.