Drivetrain› Differentials and Rear-End Components
Eaton
Eaton Posi Differential Preload (No. 400) Service Kit
SKU: E00K 29590-00S
Moderate — 2–4 hours
Description
Part #: 29590-00S
Genuine Eaton aftermarket differential service parts and components are available for select Eaton differentials.
Eaton Posi (R) Service Kit | 400 Springs | Plates
Fitment
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Available on iOS & Android
Specifications
| Brand | Eaton |
| Part Number | E00K 29590-00S |
Videos
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Tom's Eaton Posi Tune-Up Tutorial (Part One)
Eaton G80 locker latching mechanism in action.
The limitations of the Eaton Trutrac differential while using standard LSD rated gear oil.
2010 Chevy Camaro SS Broken Limited Slip Differential Upgrade with New Gear Ratio and an Eaton Posi
Superduty 4.10 gears and Eaton truetrac install
build tips and tricks strongest rebuild 11.5 AAM GM 14 bolt differential to EATON TRUETRAC
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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