Skip to main content
Welcome to the NEW WCCC Cougar Parts Catalog
(Click here to tell us what you think)
Our warehouse is closed for New Years Jan 1-4th.
Orders placed after 12PM PST on Tuesday 12/30/2025 may not ship until Monday (1/5/2026).
International Customers Click Here [Updated 6/2025]
Differential / 3rd Member - 9 Inch - 3.00:1 Open Ratio - Used ~ 1968 - 1973 Mercury Cougar / 1968 - 1973 Ford Mustang 1968,1968 cougar,1968 mustang,1969,1969 cougar,1969 mustang,1970,1970 cougar,1970 mustang,1971,1971 cougar,1971 mustang,1972,1972 cougar,1972 mustang,1973,1973 cougar,1973 mustang,3rd,c8w,c8z,c9w,c9z,cougar,d0w,d0z,d1w,d1z,d2w,d2z,d3w,d3z,differential,ford,ford mustang,inch,member,mercury,mercury cougar,mustang,third,used,pumpkin,chunk,differential,ring,and,pinion,center,section,open,locking,posi,case,gear,ratio,drop,out,ribbed,third,member,25079

Differential / 3rd Member - 9 Inch - 3.00:1 Open Ratio - Used ~ 1968 - 1973 Mercury Cougar / 1968 - 1973 Ford Mustang
Item #: 25079

0.00 stars, based on 0 reviews
D0OZ-4204-9A300 1968-1973 9 Inch Third Member - Used Also called a pumpkin, 3.00:1 open ratio. 28 splined axle. These 3rd members will have the fill plug. Check your door tag under "Axle".