Thread
: WA
GM block heater
View Single Post
02-21-2024, 11:03 PM
#
3
Accelo
Senior Member
Join Date: Mar 2015
Location: washington
Posts: 2,259
Re: GM block heater
The metal part with the "O" ring is 1.445
The OD of the "O" ring is 1.64"
It has to fit a 1.5" soft plug.
Accelo
View Public Profile
Find More Posts by Accelo