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Eaton Detroit Lockers 71086 Differential, Locker, 30-Spline, GM, 8.5 in., Each

SKU: EAT71086

Differential Carriers

Eaton Detroit Lockers 71086 Differential, Locker, 30-Spline, GM, 8.5 in., Each

SKU: EAT71086

Differential Carriers
A$2,784.61
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

Eaton Detroit lockers are designed to maximize traction by delivering 100 percent of the torque and power to both drive wheels. They are engineered to keep both wheels in a constant drive mode and have the ability to automatically allow wheel speed differentiation when required.

Part Type

Differential Carriers

Data: v4.2 - Upd: 2026-10-16 02:08:29

Specifications

Product Attributes - Brand
EATON
Product Attributes - Notes
Designed for 1989 and later applications with 30-spline axles. For axles with small bearing bores (race O.D. of 2.89 in.), usually found on vehicles prior to 1999, bearing TMK-LM102949 and race TMK-LM102911 are required. For axles with large bearing bores (race O.D. of 3.06 in.), usually found on vehicles from 1999 to present, bearing TNK-LM603049 and race TMK-LM603012 are required (See Recommended Parts tab). For use with 2.73 numerically higher gear ratios.
Product Attributes - Quantity
Sold individually.
Product Attributes - Part Type
Differential Carriers
Product Attributes - Cover Bolts
10
Product Attributes - Product Line
Eaton Detroit Lockers
Product Attributes - Carrier Material
Steel
Product Attributes - Manufacturer of Axle
GM
Product Attributes - Aftermarket Carrier Style
Mechanical locker
Product Attributes - Carrier Bearings Included
No
Product Attributes - Axle Shaft Spline Quantity
30
Product Attributes - Manufacturer's Part Number
71086
Product Attributes - Differential Case Design Type
GM 8.5/8.6 in.

Reference Information

Brand Name/s Eaton
StreetFX SKU eat71086
SFX Item ID 5062978
Supplier Item Code 5062978
Manufacturer SKU 71086
Manufacturer UPC 840379316063
Alternative References ETN-187C148A, 30-Spline

Compatibility

Application Data
  • MakeBUICK
    Beginning Year1988
    Ending Year1996
    Axle LocationRear
    Application NotesFor axles with small bearing bores (race O.D. of 2.89 in.), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required (See Suggested Parts tab).
  • MakeCHEVROLET
    Beginning Year1988
    Ending Year1991
    Axle LocationFront
    Application NotesFor axles with small bearing bores (race O.D. of 2.89 in.), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required (See Suggested Parts tab).
  • MakeCHEVROLET
    Beginning Year1988
    Ending Year1999
    Axle LocationRear
    Application NotesFor axles with small bearing bores (race O.D. of 2.89 in.), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required (See Suggested Parts tab).
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2009
    Axle LocationRear
    Application NotesFor axles with large bearing bores (race O.D. of 3.06 in.), usually found on vehicles from 1999 to present, bearing LM603049 and race LM603012 are required (See Suggested Parts tab).
  • MakeGMC
    Beginning Year1988
    Ending Year1991
    Axle LocationFront
    Application NotesFor axles with small bearing bores (race O.D. of 2.89 in.), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required (See Suggested Parts tab).
  • MakeGMC
    Beginning Year1988
    Ending Year1999
    Axle LocationRear
    Application NotesFor axles with small bearing bores (race O.D. of 2.89 in.), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required (See Suggested Parts tab).
  • MakeGMC
    Beginning Year1999
    Ending Year2009
    Axle LocationRear
    Application NotesFor axles with large bearing bores (race O.D. of 3.06 in.), usually found on vehicles from 1999 to present, bearing LM603049 and race LM603012 are required (See Suggested Parts tab).
  • MakeHUMMER
    Beginning Year2006
    Ending Year2009
    Axle LocationRear
    Application NotesFor axles with large bearing bores (race O.D. of 3.06 in.), usually found on vehicles from 1999 to present, bearing LM603049 and race LM603012 are required (See Suggested Parts tab).
  • MakeOLDSMOBILE
    Beginning Year1988
    Ending Year1996
    Axle LocationRear
    Application NotesFor axles with small bearing bores (race O.D. of 2.89 in.), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required (See Suggested Parts tab).
  • MakePONTIAC
    Beginning Year1988
    Ending Year1996
    Axle LocationRear
    Application NotesFor axles with small bearing bores (race O.D. of 2.89 in.), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required (See Suggested Parts tab).
  • MakeSAAB
    Beginning Year2005
    Ending Year2007
    Axle LocationRear
    Application NotesFits 2005.5 to 2007 models. For axles with large bearing bores (race O.D. of 3.06 in.), usually found on vehicles from 1999 to present, bearing LM603049 and race LM603012 are required (See Suggested Parts tab).

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