This is an OEM Heavy Duty Cast Iron TEE Gearbox W/Shear Walker #5051-6. We include 2 FREE Gaskets (P007). Fits 48" ,42" & 36" SD ; & 42" GHS decks. OEM brand, not aftermarket, same brand as the aluminum.
Call us with your Serial number and we can check that you ordered the correct gearbox.
RESTOCKING FEE OF 15% APPLIES TO RETURN GEARBOXES. MAKE SURE YOU ORDER CORRECTLY!