RAREELECTRICAL Brand Compatible With BOSCH CHEVROLET DELCO GM GMC APS 66GMCSC6FS 8237HO 8247HO200A 8292HO270A 8206HO CAN ALSO REPLACE THE FOLLOWING BOSCH AL873N AL873X DELCO 10464443 10480390 AL8515X 10464476 15226003 15754097M 15200109 321-1798 321-2104 321-2491 10480388 10464438 GM 19244727 ALTERNATOR ITEM DESCRIPTION: ALTERNATOR UNIT TYPE: GM VOLTAGE: 12 AMPERAGE: 280 CONDITION: NEW REGULATOR CLOCK: 2: 00 FAN: INTERNAL REGULATOR: INTERNAL STUD SIZE: M8-1.25 POLARITY: NEGATIVE PULLEY GROOVES: 6 PULLEY TYPE: SOLID NOTES: 170A AT IDLE DIRECT OE COMPATIBLE (2) MOUNTING EARS 10.0MM ID UNTHREADED PLUG CODE P L IF S PLEASE VERIFY YOUR OEM PART NUMBER FROM YOUR ORIGINAL UNIT TO HELP ENSURE FITMENT. CHEVROLET MILITARY ARMORED 6.0L 6.6L 2001-2006 GMC TRUCKS MILITARY ARMORED 6.0L 6.6L 2001-2006 CHEVROLET AVALANCHE 5.3L 6.0L 6.6L 8.1L CHEVROLET EXPRESS 5.3L 6.0L 6.6L 8.1L CHEVROLET SILVERADO 4.8L 5.3L 6.0L 6.6L 8.1L CHEVROLET SILVERADO 2500 3500 5.3L 6.0L 6.6L 8.1L CHEVROLET TRUCK 5.3L 6.0L 6.6L 8.1L GMC TRUCKS SIERRA 1500 2500 4.8L 5.3L 6.0L 6.6L 8.1L GMC TRUCKS SUBURBAN 4.8L 5.3L 6.0L 6.6L 8.1L GMC TRUCKS YUKON 4.8L 5.3L 6.0L 6.6L 8.1L