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This is a 160 amp CS130-style alternator with a serpentine pulley, built for GM small block and big block V8s and related GM engines from the mid-1980s through the early 1990s. Its main draw is the high output: 160 amps supports electric fans, upgraded lighting, audio and winches that a stock alternator cannot carry. It fits a wide range of Chevrolet, Oldsmobile and GM diesel applications, so check the pulley type and mounting on your engine before ordering. Compared with a factory replacement, it trades originality for capacity, and buyers of high-output CS130 units generally note the extra output while flagging pulley alignment and wiring as things to get right.
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Lowest price we've seen: $126.00 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
This black 160 amp CS130 alternator comes with a serpentine pulley. It is made for GM and Chevrolet small block (SBC) and big block (BBC) engines. Its part numbers are ES1006BK and A1006BK.
It fits a range of GM engines, including Chevrolet big block and small block V8s, GM diesel V8s, GM inline 4 and inline 6 engines, GM V6 engines and Oldsmobile V8s. It is commonly used in GM vehicles from 1985 to 1993.
