4L60, 4L60-E, 4L65-E, 4L70-E Smart-Tech® Input Housing Kit
4.7 (53 items)
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Product details
| Management number | 37938785 | Release Date | 2026/01/11 | List Price | $600.00 | Model Number | 37938785 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Smoke the tires, not the clutches
The OE input housing will always let you down with another burnt 3-4 clutch. The weak backing plate flexes during clutch apply, allowing heat to build up unevenly within the clutch pack’s limited space. Burnup is the common result.
Stop the flex and you stop 3-4 clutch failure. The Sonnax Smart-Tech housing’s apply and backing plates surround a larger clutch pack area to keep the clutches parallel and maximize protection against overheating. The drum also comes fully packed with clutches .
| Category | Other > Automotive > Replacement parts |
|---|---|
| Size | N/A |
| Brand | ACDelco |
| Condition | Like new |
Replacement parts
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