Fits Delco Electronic Ignition Distributors (before 2002) Found on Mercury, OMC, and Volvo Penta 4, 6 and 8 cylinder engines

OEM: Mercury Replaces: Mercury 811637001 | 811637T

For 1990-2005 V8 GM & MIE engines.

also crosses with: Sierra: 18-5107-1 CDI: E11-0003 GLM: 73190 Indmar: S556096 Mallory: 9-29800