Eaton Detroit Locker 30 Spline 1.31in Axle Differential — Fits 1967-1979 Ford Bronco & E-Series Dana 44

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Eaton

Eaton engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Eaton lineup with fast shipping and expert fitment support — order with confidence.

Ultimate Traction with Eaton Detroit Locker

The Eaton Detroit Locker is the industry standard for 100% automatic locking differentials, engineered to provide maximum traction in both mild and extreme off-road environments. Designed for the Dana 44 axle, this unit ensures both wheels receive power even when one is lifted off the ground, giving you the confidence to tackle challenging terrain.

Key Features and Benefits

  • 100% Automatic Locking: Seamlessly engages and disengages without driver input.
  • Bullet-Proof Reliability: Engineered for high-torque applications in forward and reverse.
  • Maintenance-Free: Built to withstand harsh conditions without the need for constant adjustment.
  • 30-Spline Compatibility: Precision-fit for 1.31-inch axle shaft diameters.

Whether you are restoring a classic 1967-1979 Ford Bronco or upgrading a heavy-duty E-Series van, this differential is the ultimate performance upgrade. Its robust design eliminates the need for manual locking mechanisms, providing a true "set it and forget it" solution for serious enthusiasts. Experience superior power delivery and unmatched durability on the trail. For all your high-performance drivetrain needs, trust the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1977-1980 Chrysler LeBaron Base
1977-1981 Chrysler LeBaron Medallion
1978 Chrysler LeBaron S
1979-1981 Chrysler LeBaron Salon
1980-1981 Chrysler LeBaron Special
1982-1988 Chrysler LeBaron Base
1983-1986 Chrysler LeBaron Mark Cross
1987-1988 Chrysler LeBaron Premium
1969-1972 Chrysler New Yorker Base
1972 Chrysler New Yorker Brougham
1988 Chrysler New Yorker Turbo
1969-1971 Chrysler Newport Base
1969-1974 Chrysler Newport Custom
1971-1972 Chrysler Newport Royal
1973-1974 Chrysler Newport Base
2001 Chrysler PT Cruiser Base
2001 Chrysler PT Cruiser Limited
2001 Chrysler PT Cruiser Touring
1969-1988 Chrysler Town & Country Base
1983-1986 Chrysler Town & Country Mark Cross
1981-1984 Dodge Aries Custom
1981-1985 Dodge Aries Base
1981-1986 Dodge Aries SE
1985-1987 Dodge Aries LE
1988-1989 Dodge Aries America
1976-1977 Dodge Aspen Custom
1976-1977 Dodge Aspen Special Edition
1976-1980 Dodge Aspen Base
1971-1980 Dodge Colt Base
1984-1991 Dodge Colt Vista
1986 Dodge Colt Vista Custom
1988-1990 Dodge Colt DL
1969-1970 Dodge Coronet Deluxe
1970 Dodge Coronet Super Bee
1970 Dodge Coronet 440
1970 Dodge Coronet 500
1970-1976 Dodge Coronet Base
1971 Dodge Coronet Brougham
1971-1975 Dodge Coronet Custom
1971-1976 Dodge Coronet Crestwood
1979-1980 Dodge D50 Base
1979-1982 Dodge D50 Sport
1981-1982 Dodge D50 Custom
1981-1982 Dodge D50 Royal
1977-1978 Dodge Diplomat Base
1977-1978 Dodge Diplomat Medallion
1978 Dodge Diplomat S
1979-1989 Dodge Diplomat Salon
1980-1981 Dodge Diplomat Base
1980-1983 Dodge Diplomat Medallion
1984-1989 Dodge Diplomat SE
1969-1978 Dodge Monaco Base
1974 Dodge Monaco Brougham
1974 Dodge Monaco Custom
1975-1976 Dodge Monaco Royal
1975-1976 Dodge Monaco Royal Brougham
1977 Dodge Monaco Brougham
1977-1978 Dodge Monaco Crestwood
1969 Dodge Polara 500
1969-1973 Dodge Polara Base

…and 294 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Eaton

Eaton engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Eaton lineup with fast shipping and expert fitment support — order with confidence.

Ultimate Traction with Eaton Detroit Locker

The Eaton Detroit Locker is the industry standard for 100% automatic locking differentials, engineered to provide maximum traction in both mild and extreme off-road environments. Designed for the Dana 44 axle, this unit ensures both wheels receive power even when one is lifted off the ground, giving you the confidence to tackle challenging terrain.

Key Features and Benefits

  • 100% Automatic Locking: Seamlessly engages and disengages without driver input.
  • Bullet-Proof Reliability: Engineered for high-torque applications in forward and reverse.
  • Maintenance-Free: Built to withstand harsh conditions without the need for constant adjustment.
  • 30-Spline Compatibility: Precision-fit for 1.31-inch axle shaft diameters.

Whether you are restoring a classic 1967-1979 Ford Bronco or upgrading a heavy-duty E-Series van, this differential is the ultimate performance upgrade. Its robust design eliminates the need for manual locking mechanisms, providing a true "set it and forget it" solution for serious enthusiasts. Experience superior power delivery and unmatched durability on the trail. For all your high-performance drivetrain needs, trust the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1977-1980 Chrysler LeBaron Base
1977-1981 Chrysler LeBaron Medallion
1978 Chrysler LeBaron S
1979-1981 Chrysler LeBaron Salon
1980-1981 Chrysler LeBaron Special
1982-1988 Chrysler LeBaron Base
1983-1986 Chrysler LeBaron Mark Cross
1987-1988 Chrysler LeBaron Premium
1969-1972 Chrysler New Yorker Base
1972 Chrysler New Yorker Brougham
1988 Chrysler New Yorker Turbo
1969-1971 Chrysler Newport Base
1969-1974 Chrysler Newport Custom
1971-1972 Chrysler Newport Royal
1973-1974 Chrysler Newport Base
2001 Chrysler PT Cruiser Base
2001 Chrysler PT Cruiser Limited
2001 Chrysler PT Cruiser Touring
1969-1988 Chrysler Town & Country Base
1983-1986 Chrysler Town & Country Mark Cross
1981-1984 Dodge Aries Custom
1981-1985 Dodge Aries Base
1981-1986 Dodge Aries SE
1985-1987 Dodge Aries LE
1988-1989 Dodge Aries America
1976-1977 Dodge Aspen Custom
1976-1977 Dodge Aspen Special Edition
1976-1980 Dodge Aspen Base
1971-1980 Dodge Colt Base
1984-1991 Dodge Colt Vista
1986 Dodge Colt Vista Custom
1988-1990 Dodge Colt DL
1969-1970 Dodge Coronet Deluxe
1970 Dodge Coronet Super Bee
1970 Dodge Coronet 440
1970 Dodge Coronet 500
1970-1976 Dodge Coronet Base
1971 Dodge Coronet Brougham
1971-1975 Dodge Coronet Custom
1971-1976 Dodge Coronet Crestwood
1979-1980 Dodge D50 Base
1979-1982 Dodge D50 Sport
1981-1982 Dodge D50 Custom
1981-1982 Dodge D50 Royal
1977-1978 Dodge Diplomat Base
1977-1978 Dodge Diplomat Medallion
1978 Dodge Diplomat S
1979-1989 Dodge Diplomat Salon
1980-1981 Dodge Diplomat Base
1980-1983 Dodge Diplomat Medallion
1984-1989 Dodge Diplomat SE
1969-1978 Dodge Monaco Base
1974 Dodge Monaco Brougham
1974 Dodge Monaco Custom
1975-1976 Dodge Monaco Royal
1975-1976 Dodge Monaco Royal Brougham
1977 Dodge Monaco Brougham
1977-1978 Dodge Monaco Crestwood
1969 Dodge Polara 500
1969-1973 Dodge Polara Base

…and 294 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Eaton

Eaton engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Eaton lineup with fast shipping and expert fitment support — order with confidence.

Ultimate Traction with Eaton Detroit Locker

The Eaton Detroit Locker is the industry standard for 100% automatic locking differentials, engineered to provide maximum traction in both mild and extreme off-road environments. Designed for the Dana 44 axle, this unit ensures both wheels receive power even when one is lifted off the ground, giving you the confidence to tackle challenging terrain.

Key Features and Benefits

  • 100% Automatic Locking: Seamlessly engages and disengages without driver input.
  • Bullet-Proof Reliability: Engineered for high-torque applications in forward and reverse.
  • Maintenance-Free: Built to withstand harsh conditions without the need for constant adjustment.
  • 30-Spline Compatibility: Precision-fit for 1.31-inch axle shaft diameters.

Whether you are restoring a classic 1967-1979 Ford Bronco or upgrading a heavy-duty E-Series van, this differential is the ultimate performance upgrade. Its robust design eliminates the need for manual locking mechanisms, providing a true "set it and forget it" solution for serious enthusiasts. Experience superior power delivery and unmatched durability on the trail. For all your high-performance drivetrain needs, trust the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1977-1980 Chrysler LeBaron Base
1977-1981 Chrysler LeBaron Medallion
1978 Chrysler LeBaron S
1979-1981 Chrysler LeBaron Salon
1980-1981 Chrysler LeBaron Special
1982-1988 Chrysler LeBaron Base
1983-1986 Chrysler LeBaron Mark Cross
1987-1988 Chrysler LeBaron Premium
1969-1972 Chrysler New Yorker Base
1972 Chrysler New Yorker Brougham
1988 Chrysler New Yorker Turbo
1969-1971 Chrysler Newport Base
1969-1974 Chrysler Newport Custom
1971-1972 Chrysler Newport Royal
1973-1974 Chrysler Newport Base
2001 Chrysler PT Cruiser Base
2001 Chrysler PT Cruiser Limited
2001 Chrysler PT Cruiser Touring
1969-1988 Chrysler Town & Country Base
1983-1986 Chrysler Town & Country Mark Cross
1981-1984 Dodge Aries Custom
1981-1985 Dodge Aries Base
1981-1986 Dodge Aries SE
1985-1987 Dodge Aries LE
1988-1989 Dodge Aries America
1976-1977 Dodge Aspen Custom
1976-1977 Dodge Aspen Special Edition
1976-1980 Dodge Aspen Base
1971-1980 Dodge Colt Base
1984-1991 Dodge Colt Vista
1986 Dodge Colt Vista Custom
1988-1990 Dodge Colt DL
1969-1970 Dodge Coronet Deluxe
1970 Dodge Coronet Super Bee
1970 Dodge Coronet 440
1970 Dodge Coronet 500
1970-1976 Dodge Coronet Base
1971 Dodge Coronet Brougham
1971-1975 Dodge Coronet Custom
1971-1976 Dodge Coronet Crestwood
1979-1980 Dodge D50 Base
1979-1982 Dodge D50 Sport
1981-1982 Dodge D50 Custom
1981-1982 Dodge D50 Royal
1977-1978 Dodge Diplomat Base
1977-1978 Dodge Diplomat Medallion
1978 Dodge Diplomat S
1979-1989 Dodge Diplomat Salon
1980-1981 Dodge Diplomat Base
1980-1983 Dodge Diplomat Medallion
1984-1989 Dodge Diplomat SE
1969-1978 Dodge Monaco Base
1974 Dodge Monaco Brougham
1974 Dodge Monaco Custom
1975-1976 Dodge Monaco Royal
1975-1976 Dodge Monaco Royal Brougham
1977 Dodge Monaco Brougham
1977-1978 Dodge Monaco Crestwood
1969 Dodge Polara 500
1969-1973 Dodge Polara Base

…and 294 additional fitments. Contact us to confirm yours.

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