I have a burned out bulb on my oil pressure gauge. It's easy to replace, and I'd do that in a heartbeat, if I knew what size. I've tried Sylvania 74, but that is just a hair too large diameter. It simply won't go into the holder.

What size bulb do I need?

This is for my '89 Trooper, 2.6.


1989 Trooper, 2.6
1989 Trooper, 2.8
1992 Ford F-350, 7.3

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