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Professional; Remanufactured; 42 Amp
  • All ACDelco Alternators and Starters are remanufactured from original equipment cores. Obsolete and damaged parts are replaced with OEM components or high-quality, new aftermarket parts. Plus all ACDelco Alternators and Starters are remanufactured with 100% new bearings, bushings, and brushes.
  • Performance and reliability testing includes sound room tests, vibration tests, exposure to hot and cold rooms, and speed testing from 5000 RPM to 8000 RPM to meet original specifications.
Not Sure Your Alternator Is The Problem? Read These Electrical Troubleshooting Tips
Pulley Outside Diameter3.0 IN
Pulley Outside Diameter76 mm
Voltage12 2H
DE to Pulley 1st Groove1.02 IN
DE to Pulley 1st Groove26.0 MM
DE to Rotor Shaft End1.22 in
DE to Rotor Shaft End31.0 MM
Plug Clock Rear View Main Mounting Ear at 6 O Clock3
Terminal Connection Quantity2
Alternator Case MaterialAluminum
FinishSame as OE
Fan TypeExternal
Ground TypeNegative
Rotation DirectionClockwise
External Fan IncludedYes
Pulley IncludedYes
FamilyDelco 10 DN
Pulley Groove Quantity1
Pulley Belt TypeV-Belt
Regulator TypeExternal
Amperage Rating42 68
Mounting Type1 Pivot Foot
Alternate/OEM Part Number(s): 12321162, 19135666

Warranty Information:
24 Months
Warranty Details