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Instruction Sheets for Part Number ETN-19659-010
Eaton Electronic ELocker 30 Spline Differential GM 8.6 Inch 19659-010
Part Number: ETN-19659-010
Eaton Electronic ELocker Differentials
Differential, Posi Performance, Electric Locker, 30-Spline, GM, 8.5 in., Each
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Estimated Ship Date: Nov 9, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
19659-010
Part Type:
Product Line:
Summit Racing Part Number:
ETN-19659-010
UPC:
840379361391
Differential Case Design Type:
GM 8.6 in.
Remanufactured:
No
Aftermarket Carrier Style:
Electric locker
Cover Bolts:
10
Axle Shaft Spline Quantity:
30
Manufacturer of Axle:
GM
Carrier Material:
Steel
Carrier Bearings Included:
No
Quantity:
Sold individually.
Notes:
All Eaton differentials made for General Motors 8.5 in. and 8.6 in. axles require special bearings. For axles with small bearing bores (race O.D. or 2.89 in.) usually found on vehicles prior to 1999, bearing LM102949 and race 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 LM603049 and race LM603012 are required.
Eaton Electronic ELocker Differentials
Eaton electronic ELocker differentials offer you the best of both worlds. Imagine having the comfort and convenience of an open differential for around town—and the powerful traction of a full-on locker when it's necessary. This is exactly what the Eaton ELockers provide. With the push of a dash-mounted button, you decide when the differential should be fully locked for maximum traction to both wheels, or free to differentiate for the best fuel mileage and tire tread life. Whether you're running a 2WD or 4WD, open or locked, the Eaton ELockers put the driver in total control! Order the carrier designed for your axle model.
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Some parts are not legal for use in California or other states with similar laws / regulations
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