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Eaton Preload System Service Kits

4.88 out of 5 stars 26 Customer Reviews

Eaton preload system service kits are designed to correctly set up your aftermarket differential. They include necessary spacers and hardware to adjust the preload on your differential. Order the preload system service kit recommended for your axle model.

Results 1 - 3 of 3

Service Kit, Preload System, 400 lb., Eaton Locker, GM, 8.2, 8.5, 8.875 in., Car, Truck, B/P Axle, Kit

Part Number: ETN-29590-00S

4.88 out of 5 stars ( 24 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Service Kit, Preload System, 200 lb., Eaton Locker, GM, 8.2, 8.5, 8.875 in., Car, Truck, B/P Axle, Each

Part Number: ETN-29589-00S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Differential Carrier Replacement Parts, Preload system, 800 lbs., GM 8.2, GM 8.5, Each

Part Number: ETN-29591-00S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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