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Eaton Detroit Locker Differential 31 Spline 1.32in Axle Shaft Diameter 3.25 & Up Ratio Rear 9in

SKU: EAT187SL17B

Differential Carriers

EAT Detroit Locker Diffs...

Eaton Detroit Locker Differential 31 Spline 1.32in Axle Shaft Diameter 3.25 & Up Ratio Rear 9in

SKU: EAT187SL17B

Differential Carriers

EAT Detroit Locker Diffs...

A$2,046.97
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet-proof design is engineered to keep both wheels in drive mode – even if one wheel is lifted off the ground. It works in forward and reverse, and features unmatched strength, 100 percent automatic locking, and maintenance-free parts.

Part Type

Differential Carriers

Data: v4.2 - Upd: 2026-10-13 20:42:28

Features

  • 100 pct. automatic locking - no driver action needed
  • Clutchless Maintenance Free Design
  • Provides Maximum Amount Of Traction To Both Wheel Ends
  • Works In Forward And Reverse

Specifications

Product Attributes - Brand
EATON
Product Attributes - Manufacturer's Part Number
187SL17B
Product Attributes - Part Type
Differential Carriers
Product Attributes - Product Line
Eaton Detroit Lockers
Product Attributes - UPC
840379309638
Product Attributes - Differential Case Design Type
Ford 9 in.
Product Attributes - Remanufactured
No
Product Attributes - Aftermarket Carrier Style
Mechanical locker
Product Attributes - Axle Shaft Spline Quantity
31
Product Attributes - Manufacturer of Axle
Ford
Product Attributes - Carrier Material
Steel
Product Attributes - Carrier Bearings Included
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Not for use with 2.72 gear ratio ring and pinions.

Reference Information

Brand Name/s Eaton
StreetFX SKU eat187SL17B
SFX Item ID 4500294
Supplier Item Code 4500294
Manufacturer SKU 187SL17B
Manufacturer UPC N/A
Alternative References ETN-187SL17B, 1.32in, 9in

Brochures

Compatibility

Application Data
  • MakeFORD
    Beginning Year1957
    Ending Year1987
    Axle LocationRear
  • MakeFORD
    ModelBRONCO
    SubmodelBASE
    Beginning Year1966
    Ending Year1967
    Axle LocationRear
    Drivetrain4WD
    Engine TypeL6
    Engine Size3.9L/240
    Engine FamilyFORD L6 GAS
    Liter3.9
    CID240
    CC3933
    Engine VIN CodeA
  • MakeFORD
    ModelBRONCO
    SubmodelBASE
    Beginning Year1966
    Ending Year1968
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size4.7L/289
    Engine FamilyFord small block Windsor
    Liter4.7
    CID289
    CC4727
    Engine VIN CodeC
  • MakeFORD
    ModelBRONCO
    SubmodelBASE
    Beginning Year1966
    Ending Year1968
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size4.7L/289
    Engine FamilyFord small block Windsor
    Liter4.7
    CID289
    CC4727
    Engine VIN CodeN
  • MakeFORD
    ModelBRONCO
    SubmodelBASE
    Beginning Year1966
    Ending Year1972
    Axle LocationRear
    Drivetrain4WD
    Engine TypeL6
    Engine Size2.8L/170
    Engine FamilyFORD L6 GAS
    Liter2.8
    CID170
    CC2786
    Engine VIN CodeF
  • MakeFORD
    ModelBRONCO
    SubmodelBASE
    Beginning Year1968
    Ending Year1974
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Liter5.0
    CID302
    Engine VIN CodeG
  • MakeFORD
    ModelBRONCO
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Axle LocationRear
    Drivetrain4WD
    Engine TypeL6
    Engine Size3.3L/200
    Engine FamilyFORD L6 GAS
    Liter3.3
    CID200
    CC3277
    Engine VIN CodeT
  • MakeFORD
    ModelBRONCO
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Axle LocationRear
    Drivetrain4WD
    Engine TypeL6
    Engine Size3.3L/200
    Engine FamilyFORD L6 GAS
    Liter3.3
    CID200
    CC3278
    Engine VIN CodeT
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1977
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Liter5.0
    CID302
    Engine VIN CodeG
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1979
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFORD MODIFIED V8 GAS
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeH
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1979
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFORD MODIFIED V8 GAS
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeH
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1979
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFord small block Windsor
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeH
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1979
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyFORD MODIFIED V8 GAS
    Liter6.6
    CID400
    Engine VIN CodeS
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1985
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFord small block Windsor
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeH
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1980
    Ending Year1982
    Axle LocationRear
    Drivetrain4WD
    Engine TypeL6
    Engine Size4.9L/300
    Engine FamilyFORD L6 GAS
    Liter4.9
    CID300
    CC4917
    Engine VIN CodeE
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1980
    Ending Year1982
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFORD MODIFIED V8 GAS
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeG
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1980
    Ending Year1982
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFORD MODIFIED V8 GAS
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeG
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1980
    Ending Year1982
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFord small block Windsor
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeG
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1980
    Ending Year1984
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Liter5.0
    CID302
    Engine VIN CodeF
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1980
    Ending Year1985
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFord small block Windsor
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeG
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1983
    Ending Year1986
    Axle LocationRear
    Drivetrain4WD
    Engine TypeL6
    Engine Size4.9L/300
    Engine FamilyFORD L6 GAS
    Liter4.9
    CID300
    CC4917
    Engine VIN CodeY
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1984
    Ending Year1985
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFord small block Windsor
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeG
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1984
    Ending Year1986
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFord small block Windsor
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeH
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1985
    Ending Year1986
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.0L/302
    Engine FamilyFord small block Windsor
    Liter5.0
    CID302
    Engine VIN CodeN
  • MakeFORD
    ModelBRONCO
    SubmodelEDDIE BAUER
    Beginning Year1985
    Ending Year1985
    Axle LocationRear
    Drivetrain4WD
    Engine TypeV8
    Engine Size5.8L/351
    Engine FamilyFord small block Windsor
    Liter5.8
    CID351
    CC5753
    Engine VIN CodeG

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