Factory diagram — Subassembly Service
Factory diagrams
GMC
Hydramatic (M20) Main Shaft
UsedOEM
OEM GMC Hydramatic (M20) Main Shaft part #3932265
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Close match — verify with VIN before checkout. VIN check beats regret.
Estimated Dispatch
Ships in 24–48 hours
$409.06
Specifications
SKU
FTM-CHARM-3932265
OEM Part #
3932265
Shipping Class
ground
Warranty
—