Eaton ELocker4 27 Spline 3.54 Ratio Differential — Fits Dana 30 Axles

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SKU: EAT19817-020
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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.

Watch in action

Traction On-Demand with Eaton ELocker4

The Eaton ELocker4 is the ultimate selectable differential for off-road enthusiasts who refuse to compromise. Whether you are tackling rocky trails or muddy paths, this electronic locking differential allows you to switch from an open differential to a 100-percent locked unit with the simple flip of a dash switch. It provides the versatility needed for daily driving and the extreme traction required for serious off-roading.

Performance and Durability

  • Spline Count: 27 Spline
  • Gear Ratio: 3.54
  • Axle Compatibility: Dana 30
  • Operation: Electronic Selectable
  • Construction: Net-forged gears for maximum strength

Engineered for reliability, the ELocker4 features a robust design that handles the toughest terrain. By locking both wheels on the axle, you ensure maximum power delivery to the ground, preventing wheel spin in low-traction situations. This unit is compatible with classic 4x4s including the Ford Bronco, International Scout, and various Jeep models. The selectable nature of the locker means you can disengage it instantly for smooth, street-legal handling on pavement. When you need dependable performance in the backcountry, choose the Eaton ELocker4 from the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1966-1971 Ford Bronco Base
1968-1969 Ford Bronco Roadster
1968-1971 Ford Bronco Wagon
1967-1970 International Scout Base
1971-1974 International Scout II Base
1975 International Scout II XLC
1976-1977 International Scout II Base
1976-1977 International Scout II Terra
1976-1977 International Scout II Traveler
1971-1983 Jeep CJ5 Base
1975-1983 Jeep CJ5 Renegade
1977-1980 Jeep CJ5 Golden Eagle
1980-1983 Jeep CJ5 Laredo
1982-1983 Jeep CJ5 Limited
1970-1975 Jeep CJ6 Base
1976-1986 Jeep CJ7 Base
1976-1986 Jeep CJ7 Renegade
1977-1979 Jeep CJ7 Golden Eagle
1980 Jeep CJ7 Golden Hawk
1980-1983 Jeep CJ7 Laredo
1982-1983 Jeep CJ7 Limited
1985-1986 Jeep CJ7 Laredo
1984-1993 Jeep Cherokee Base
1985-1988 Jeep Cherokee Chief
1985-1990 Jeep Cherokee Pioneer
1985-1992 Jeep Cherokee Laredo
1987-1992 Jeep Cherokee Limited
1989-2001 Jeep Cherokee Sport
1991-1992 Jeep Cherokee Briarwood
1993-1997 Jeep Cherokee Country
1994-2001 Jeep Cherokee SE
1996 Jeep Cherokee Classic
1998-2001 Jeep Cherokee Classic
1998-2001 Jeep Cherokee Limited
1986 Jeep Comanche Custom
1986 Jeep Comanche X
1986 Jeep Comanche XLS
1987-1988 Jeep Comanche Chief
1987-1988 Jeep Comanche Laredo
1987-1992 Jeep Comanche Base
1987-1992 Jeep Comanche Pioneer
1988-1992 Jeep Comanche Eliminator
1993 Jeep Grand Cherokee Base
1993-2004 Jeep Grand Cherokee Laredo
1993-2004 Jeep Grand Cherokee Limited
1994-1995 Jeep Grand Cherokee SE
1995 Jeep Grand Cherokee Orvis
1997 Jeep Grand Cherokee Orvis
1997-1998 Jeep Grand Cherokee TSi
1998 Jeep Grand Cherokee 5.9 Limited
2002 Jeep Grand Cherokee Sport
2002-2004 Jeep Grand Cherokee Overland
2004 Jeep Grand Cherokee Special Edition
1982-1983 Jeep Scrambler SL
1982-1984 Jeep Scrambler SR
1982-1985 Jeep Scrambler Base
1985 Jeep Scrambler Laredo
1985 Jeep Scrambler Renegade
1987-1988 Jeep Wrangler Sport
1987-1990 Jeep Wrangler Laredo

…and 35 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.

Watch in action

Traction On-Demand with Eaton ELocker4

The Eaton ELocker4 is the ultimate selectable differential for off-road enthusiasts who refuse to compromise. Whether you are tackling rocky trails or muddy paths, this electronic locking differential allows you to switch from an open differential to a 100-percent locked unit with the simple flip of a dash switch. It provides the versatility needed for daily driving and the extreme traction required for serious off-roading.

Performance and Durability

  • Spline Count: 27 Spline
  • Gear Ratio: 3.54
  • Axle Compatibility: Dana 30
  • Operation: Electronic Selectable
  • Construction: Net-forged gears for maximum strength

Engineered for reliability, the ELocker4 features a robust design that handles the toughest terrain. By locking both wheels on the axle, you ensure maximum power delivery to the ground, preventing wheel spin in low-traction situations. This unit is compatible with classic 4x4s including the Ford Bronco, International Scout, and various Jeep models. The selectable nature of the locker means you can disengage it instantly for smooth, street-legal handling on pavement. When you need dependable performance in the backcountry, choose the Eaton ELocker4 from the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1966-1971 Ford Bronco Base
1968-1969 Ford Bronco Roadster
1968-1971 Ford Bronco Wagon
1967-1970 International Scout Base
1971-1974 International Scout II Base
1975 International Scout II XLC
1976-1977 International Scout II Base
1976-1977 International Scout II Terra
1976-1977 International Scout II Traveler
1971-1983 Jeep CJ5 Base
1975-1983 Jeep CJ5 Renegade
1977-1980 Jeep CJ5 Golden Eagle
1980-1983 Jeep CJ5 Laredo
1982-1983 Jeep CJ5 Limited
1970-1975 Jeep CJ6 Base
1976-1986 Jeep CJ7 Base
1976-1986 Jeep CJ7 Renegade
1977-1979 Jeep CJ7 Golden Eagle
1980 Jeep CJ7 Golden Hawk
1980-1983 Jeep CJ7 Laredo
1982-1983 Jeep CJ7 Limited
1985-1986 Jeep CJ7 Laredo
1984-1993 Jeep Cherokee Base
1985-1988 Jeep Cherokee Chief
1985-1990 Jeep Cherokee Pioneer
1985-1992 Jeep Cherokee Laredo
1987-1992 Jeep Cherokee Limited
1989-2001 Jeep Cherokee Sport
1991-1992 Jeep Cherokee Briarwood
1993-1997 Jeep Cherokee Country
1994-2001 Jeep Cherokee SE
1996 Jeep Cherokee Classic
1998-2001 Jeep Cherokee Classic
1998-2001 Jeep Cherokee Limited
1986 Jeep Comanche Custom
1986 Jeep Comanche X
1986 Jeep Comanche XLS
1987-1988 Jeep Comanche Chief
1987-1988 Jeep Comanche Laredo
1987-1992 Jeep Comanche Base
1987-1992 Jeep Comanche Pioneer
1988-1992 Jeep Comanche Eliminator
1993 Jeep Grand Cherokee Base
1993-2004 Jeep Grand Cherokee Laredo
1993-2004 Jeep Grand Cherokee Limited
1994-1995 Jeep Grand Cherokee SE
1995 Jeep Grand Cherokee Orvis
1997 Jeep Grand Cherokee Orvis
1997-1998 Jeep Grand Cherokee TSi
1998 Jeep Grand Cherokee 5.9 Limited
2002 Jeep Grand Cherokee Sport
2002-2004 Jeep Grand Cherokee Overland
2004 Jeep Grand Cherokee Special Edition
1982-1983 Jeep Scrambler SL
1982-1984 Jeep Scrambler SR
1982-1985 Jeep Scrambler Base
1985 Jeep Scrambler Laredo
1985 Jeep Scrambler Renegade
1987-1988 Jeep Wrangler Sport
1987-1990 Jeep Wrangler Laredo

…and 35 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.

Watch in action

Traction On-Demand with Eaton ELocker4

The Eaton ELocker4 is the ultimate selectable differential for off-road enthusiasts who refuse to compromise. Whether you are tackling rocky trails or muddy paths, this electronic locking differential allows you to switch from an open differential to a 100-percent locked unit with the simple flip of a dash switch. It provides the versatility needed for daily driving and the extreme traction required for serious off-roading.

Performance and Durability

  • Spline Count: 27 Spline
  • Gear Ratio: 3.54
  • Axle Compatibility: Dana 30
  • Operation: Electronic Selectable
  • Construction: Net-forged gears for maximum strength

Engineered for reliability, the ELocker4 features a robust design that handles the toughest terrain. By locking both wheels on the axle, you ensure maximum power delivery to the ground, preventing wheel spin in low-traction situations. This unit is compatible with classic 4x4s including the Ford Bronco, International Scout, and various Jeep models. The selectable nature of the locker means you can disengage it instantly for smooth, street-legal handling on pavement. When you need dependable performance in the backcountry, choose the Eaton ELocker4 from the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1966-1971 Ford Bronco Base
1968-1969 Ford Bronco Roadster
1968-1971 Ford Bronco Wagon
1967-1970 International Scout Base
1971-1974 International Scout II Base
1975 International Scout II XLC
1976-1977 International Scout II Base
1976-1977 International Scout II Terra
1976-1977 International Scout II Traveler
1971-1983 Jeep CJ5 Base
1975-1983 Jeep CJ5 Renegade
1977-1980 Jeep CJ5 Golden Eagle
1980-1983 Jeep CJ5 Laredo
1982-1983 Jeep CJ5 Limited
1970-1975 Jeep CJ6 Base
1976-1986 Jeep CJ7 Base
1976-1986 Jeep CJ7 Renegade
1977-1979 Jeep CJ7 Golden Eagle
1980 Jeep CJ7 Golden Hawk
1980-1983 Jeep CJ7 Laredo
1982-1983 Jeep CJ7 Limited
1985-1986 Jeep CJ7 Laredo
1984-1993 Jeep Cherokee Base
1985-1988 Jeep Cherokee Chief
1985-1990 Jeep Cherokee Pioneer
1985-1992 Jeep Cherokee Laredo
1987-1992 Jeep Cherokee Limited
1989-2001 Jeep Cherokee Sport
1991-1992 Jeep Cherokee Briarwood
1993-1997 Jeep Cherokee Country
1994-2001 Jeep Cherokee SE
1996 Jeep Cherokee Classic
1998-2001 Jeep Cherokee Classic
1998-2001 Jeep Cherokee Limited
1986 Jeep Comanche Custom
1986 Jeep Comanche X
1986 Jeep Comanche XLS
1987-1988 Jeep Comanche Chief
1987-1988 Jeep Comanche Laredo
1987-1992 Jeep Comanche Base
1987-1992 Jeep Comanche Pioneer
1988-1992 Jeep Comanche Eliminator
1993 Jeep Grand Cherokee Base
1993-2004 Jeep Grand Cherokee Laredo
1993-2004 Jeep Grand Cherokee Limited
1994-1995 Jeep Grand Cherokee SE
1995 Jeep Grand Cherokee Orvis
1997 Jeep Grand Cherokee Orvis
1997-1998 Jeep Grand Cherokee TSi
1998 Jeep Grand Cherokee 5.9 Limited
2002 Jeep Grand Cherokee Sport
2002-2004 Jeep Grand Cherokee Overland
2004 Jeep Grand Cherokee Special Edition
1982-1983 Jeep Scrambler SL
1982-1984 Jeep Scrambler SR
1982-1985 Jeep Scrambler Base
1985 Jeep Scrambler Laredo
1985 Jeep Scrambler Renegade
1987-1988 Jeep Wrangler Sport
1987-1990 Jeep Wrangler Laredo

…and 35 additional fitments. Contact us to confirm yours.

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