zerk fitting size [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: zerk fitting size


itonoffun
06-28-2005, 01:08 AM
going to be doing my lift this weekend and while i was at it i was gonna change the zerk on the idler arm that you can hardly get to. what is the right size for sure? i have seen many post on this but didn't know if anyone found the right size. thanks:)

TC Dmax
06-28-2005, 07:15 AM
6.0mm

Siphon
06-30-2005, 10:24 AM
1/4-28, and then whatever ball check you want. Box of eight right-angle fittings is $4.75 at NAPA. Just bought some last week.

modified
07-02-2005, 11:08 PM
1/4-28 fit my Chev 2002 D/A 2500.
I know many said the 6mm, but that was too small for me.
Comparing zerks with a micrometer, the 1/4-28 was a match.