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For: Delco CS121, CS130 Series IR/EF Alternators (IR/EF- Internal Regulator/External Fan). OEM Version for CS121 and CS130 Alternators. Replaces: Delco 10457236,10457690, 1989658, D3991. We will do our best to resolve any issues found.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.