Yukon Gear & Axle Yukon Zip Locker Replacement Seal Housing for Ford 9in w/31 Spline YZLASH-06
YUK Seals
Differential Air System Seal Housing
SEAL HOUSING FOR F9-31 FORD, ZIP LOCKER (includes O-Rings)
The 31 spline Ford 9" Zip Locker and seal housing work with 2.89 in. & 3.06 in. drop out cases.
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability.
High Nickel 4320 Chrome-Moly Spider Gears. 8620 Steel Case. Quick Connect Air Fittings. Optional Collateral Damage Warranty of $2000. The 31 spline Ford 9" Zip Locker and seal housing work with 2.89 in. & 3.06 in. drop out cases.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1966 - 1974 | Ford | Bronco | Base |
| 1975 - 1986 | Ford | Bronco | Custom |
| 1985 - 1986 | Ford | Bronco | Eddie Bauer |
| 1975 - 1978 | Ford | Bronco | Northland |
| 1975 | Ford | Bronco | Ranger |
| 1978 - 1981 | Ford | Bronco | Ranger XLT |
| 1968 - 1969 | Ford | Bronco | Roadster |
| 1975 - 1977 | Ford | Bronco | Sport |
| 1968 - 1973 | Ford | Bronco | Wagon |
| 1982 - 1983 | Ford | Bronco | XLS, XLT Lariat |
| 1984 - 1986 | Ford | Bronco | XLT |
| 1969 - 1982 | Ford | E-100 Econoline | Base |
| 1975 - 1982 | Ford | E-100 Econoline | Chateau |
| 1969 - 1974 | Ford | E-100 Econoline | Club Wagon |
| 1975 - 1983 | Ford | E-100 Econoline | Custom |
| 1975 - 1978 | Ford | E-100 Econoline | Northland |
| 1983 | Ford | E-100 Econoline | XL |
| 1979 - 1986 | Ford | E-150 Econoline | Base |
| 1979 - 1982 | Ford | E-150 Econoline | Chateau |
| 1979 - 1988 | Ford | E-150 Econoline | Custom |
| 1983 - 1988 | Ford | E-150 Econoline | XL |
| 1971 - 1972 | Ford | E-200 Econoline | Chateau Wagon |
| 1969 - 1974 | Ford | E-200 Econoline | Club Wagon, Base |
| 1970 - 1974 | Ford | E-200 Econoline | Custom Wagon |
| 1975 - 1980 | Ford | E-250 Econoline | Chateau, Base, Custom |
| 1975 - 1978 | Ford | E-250 Econoline | Northland |
| 1957 - 1983 | Ford | F-100 | Base |
| 1975 - 1982 | Ford | F-100 | Custom |
| 1975 - 1978 | Ford | F-100 | Northland |
| 1978 - 1981 | Ford | F-100 | Ranger Lariat |
| 1975 - 1981 | Ford | F-100 | Ranger, Ranger XLT |
| 1977 | Ford | F-100 | XLT |
| 1982 - 1983 | Ford | F-100 | XLT Lariat, XL, XLS |
| 1976 - 1986 | Ford | F-150 | Base |
| 1975 - 1987 | Ford | F-150 | Custom, Ranger |
| 1975 - 1978 | Ford | F-150 | Northland |
| 1978 - 1981 | Ford | F-150 | Ranger Lariat |
| 1975 - 1981 | Ford | F-150 | Ranger XLT |
| 1982 - 1987 | Ford | F-150 | XL, XLT Lariat |
| 1982 - 1983 | Ford | F-150 | XLS |
| 1977 - 1984 | Ford | F-150 | XLT |
| 1965 - 1973 | Ford | Mustang | Base |
| 1969 - 1971 | Ford | Mustang | Boss 302 |
| 1971 - 1972 | Ford | Mustang | Boss 351 |
| 1969 - 1970 | Ford | Mustang | Boss 429 |
| 1970 - 1973 | Ford | Mustang | Grande, Mach 1 |
| 1965 - 1970 | Ford | Mustang | Shelby GT-350 |
| 1966 | Ford | Mustang | Shelby GT-350H |
| 1967 - 1970 | Ford | Mustang | Shelby GT-500 |
| 1968 | Ford | Mustang | Shelby GT-500KR |
| 1967 - 1979 | Ford | Ranchero | 500 |
| 1967 | Ford | Ranchero | 500 XL |
| 1957 - 1971 | Ford | Ranchero | Base |
| 1957 - 1966 | Ford | Ranchero | Custom |
| 1968 - 1979 | Ford | Ranchero | GT |
| 1970 - 1979 | Ford | Ranchero | Squire |