AT540 AT542 AT543 [70-UP] Automatic Transmission Rebuild Kit w/ Frictions

AT540 AT542 AT543 Rebuild Kit for AT540 automatic transmissions, 1970 and later. Includes frictions, steels, gasket and seal set and bushings for a complete overhaul. 4 pieces in 4 components.

• Rebuilding the AT540 series means replacing seals, friction material, and internal hardware all at once -- skipping any one of those invites repeat failure and a comeback job.
• THIS KIT DOES NOT INCLUDE steel plates or a band. If your rebuild requires steels, check your parts list and order them separately before you start the job.
• Four distinct components cover the core of this overhaul: a flat stainless steel Automatic Transmission Filter Automatic Transmission Filter, a babbitt pump bushing, a full overhaul gasket set, and a friction module -- each selected for the AT540 series specifically.
• Kit contents: 1 AT540 series overhaul gasket kit, 1 flat stainless steel Automatic Transmission Filter Automatic Transmission Filter, 1 babbitt pump bushing (fits 250/350/350C families as listed), 1 AT540/A543/A545 friction module. Total weight: 7.2 lb.
• Before ordering, confirm your transmission code matches AT540, AT542, AT543, or AT545, and verify the build year falls within the [70-ON] application range. Unit codes vary and mismatches cause returns.

What's in the box

• 1 x Friction Clutch Pack, ALLISON A543 A545 Module
• 1 x Steel Plate, ALLISON Automatic Transmission Filter [Flat Stainless Screen]
• 1 x Overhaul Gasket Kit, SERIES
• 1 x Bushing, Pump 86 [Babbitt] 250C 350 350C

Compatible vehicles

• Fits B50 2 Ton School Bus [71-72], C3500 1 Ton - Pickup [88-00], C3500HD 1 Ton Truck [91-02], C40 1 1/2 Ton Truck [71-79], C80 2 1/2 Ton Truck [71-79], F80 2 1/2 Ton Tilt Cab [71-79], K3500 1 Ton 4WD - Pickup [88-00], P4T042 Stripped Chassis [80-84], P6S042 Stripped Chassis [91-96], P6T042 Stripped Chassis [83-90], R3500 1 Ton - Pickup [88-91], S50 1 1/2 Ton School Bus [73-79].