5.0 Mercruiser 99 Oil Plug Size

A

addohm

Recruit
Joined
May 4, 2011
Messages
1
What size and thread pitch is the oil drain plug on a 99 Mercruiser 5.0 (305)?

Thanks in advance!

Adam
 
Bondo

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,525
Re: 5.0 Mercruiser 99 Oil Plug Size

Ayuh,... Chevy's have always been 1/2"x 20, but I hear they finally went to metric...

Donno when that was though...
 
Don S

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: 5.0 Mercruiser 99 Oil Plug Size

It's metric, M12 X 1.75
 
You must log in or register to reply here.
Top