Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 20:13:03
Features
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Specifications
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 |
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. |
Compatibility
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