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GM 8L90 Transmission 2-8 & 4-8 Reverse Drum Assembly with Shaft
Fits GM 8L90 8-speed automatic transmissions — internal reverse drum with shaft, 42-tooth C3 clutch splines, part 334555B.
📦 What’s Included
🔧 Fitment
Designed for GM 8L90 transmissions used in many late-model GM trucks and SUVs. This is an internal transmission component — verify your transmission model and part number before purchase.
⚠️ Fitment Note: This part fits 8L90 transmissions only (NOT 6L80/6L90 or 8L45/8L50).
🛡 Warranty & Return Policy
We accept refunds or exchanges within 30 days of purchase only. Items must be returned in their original, untampered condition. Any item that has been opened or tampered with may only qualify for a partial refund. No returns are accepted after 30 days.
