Allison

AT-500 Transmission

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HD/HP Parts

Symptoms

Area of Transmission

Part Type

Internal

Center Support Bushing

Center Support Bushing S29506468

Fits Allison AT-540/542/543/545/1542/1545

Material: Bimetal
Bushing Style: Precision
Housing Bore: 1.598"
Shaft Dia.: 1.466"
Width: 1.850"

Helps cure:

4th Clutch burned
4th Slip
Bushing failure
Bushing wear
No 4th
No Reverse
Reverse slip

Governor 462

Governor 461

Governor Gear Kit

Governor Gear Kit 425

Fits governors 461 & 462

Material: Glass-filled nylon
Color: Yellow

Rear Sun Gear S6884902

Pump

Ground Sleeve S23014304

with Bushing & Bearing

Pump Bushing 34034T-01

Bushing Style: Precision
Material: Steel-backed bimetal
Width: 0.615"
Shaft Dia.: 1.873"
Housing Bore: 2.001"

Pump Bushing 34234B-01

Bushing Style: Precision
Material: Bronze

Valve Body

Reduced Modulation Modification Kit

S29537879

Reduced Modulation Modification Kit S29537879

AT-545 beginning with serial #3210302450

Case

Oil Pan Filter SP6883044

AT-545, MT-640, MT-643, MT-644, MT-650, MT-654. For deep pan, sealed power.

Pan Gasket S29501160

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