Eaton Detroit Lockers 71086 Differential, Locker, 30-Spline, GM, 8.5 in., Each
Eaton Detroit Lockers 71086 Differential, Locker, 30-Spline, GM, 8.5 in., Each
Description
IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Eaton StreetFX SKU eat71086 SFX Item ID 5062978 Accounting SKU eat-71086 Manufacturer SKU 71086 Manufacturer UPC 840379316063 Alternative References ETN-187C148A
Data: v2 - Desc: v4.2 - Upd: 2026-10-14 03:21:37
Part Type
Differential Carriers
Specifications
Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each
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.
| Product Attributes | |
|---|---|
| Brand | EATON |
| 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. |
| Quantity | Sold individually. |
| Part Type | Differential Carriers |
| Cover Bolts | 10 |
| Product Line | Eaton Detroit Lockers |
| Carrier Material | Steel |
| Manufacturer of Axle | GM |
| Aftermarket Carrier Style | Mechanical locker |
| Carrier Bearings Included | No |
| Axle Shaft Spline Quantity | 30 |
| Manufacturer's Part Number | 71086 |
| 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
No specific fitment data available for this part. For clarification, please contact us.
Detailed Compatibility
| Application Data | |
|---|---|
| Make | BUICK |
| Beginning Year | 1988 |
| Ending Year | 1996 |
| Axle Location | Rear |
| Application Notes | For 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). |
| Make | CHEVROLET |
| Beginning Year | 1988 |
| Ending Year | 1991 |
| Axle Location | Front |
| Application Notes | For 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). |
| Make | CHEVROLET |
| Beginning Year | 1988 |
| Ending Year | 1999 |
| Axle Location | Rear |
| Application Notes | For 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). |
This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.
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