Factory diagram — 4L60-E/4L65-E/4L70-E - Automatic Transmission
Factory diagrams
GMC
Extension Housing Seal , New Process (MW3) Rear Main Seal Without 15000 GVWR
UsedOEM
OEM GMC Extension Housing Seal , New Process (MW3) Rear Main Seal Without 15000 GVWR part #12478060
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Close match — verify with VIN before checkout. VIN check beats regret.
Estimated Dispatch
Ships in 24–48 hours
$12.76
Specifications
SKU
FTM-CHARM-12478060
OEM Part #
12478060
Shipping Class
ground
Warranty
—