Skipper's Locker

Sierra 70A Spool Mount Serpentine Alternator 18-5984

Brand:
Sierra
Part no:
18-5984

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Specifications

Output
70A

This Sierra alternator, part 18-5984, is rated at 70A. It uses a spool mount and is made for a serpentine belt drive. No engine application list or ignition protection detail is given, so confirm the mount style and belt arrangement against your engine before fitting it. Output is the only electrical figure stated. Warranty questions go to the manufacturer.

Our take

A 70A rating with a spool mount and serpentine drive tells you the two things to match first: how it bolts to the engine and how the belt runs. Nothing else about fitment is stated, so compare these against your old alternator.

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Sources