1973 Ac 428 Automatic Transmission Parts

This table covers the apply bands inside the automatic transmission. Read more

3 Band parts for the 1973 Ac 428 come from 2 brands — ATP and PIONEER.

Part numbers include ATP FX125, ATP TPB1010 and PIONEER 767042.

This table covers the bushings in this assembly. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

4 Bushing parts are listed for the 1973 Ac 428, from ATP and PIONEER.

Listed part numbers: ATP FB115, ATP FB106 and PIONEER 755041, plus the other parts above.

This table covers the seals at the Control Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Control Shaft Seal parts are listed for the 1973 Ac 428, from ATP and PIONEER.

Part numbers include ATP FO15 and PIONEER 759003.

This table covers the Extension Housing bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

2 Extension Housing Bushing parts are listed for the 1973 Ac 428, from ATP and PIONEER.

This group includes ATP TB15 and PIONEER 755014.

This table covers the seals at the Extension Housing. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

6 Extension Housing Seal parts for the 1973 Ac 428 come from 4 brands — NATIONAL, WJB / INMOTION PARTS, ATP and 1 other brand. The "Popular" part is NATIONAL 7300S.

Part numbers include NATIONAL 7300S, WJB / INMOTION PARTS WS7300S and ATP HO8, among others listed above.

This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for. Read more

4 Filter parts are listed for the 1973 Ac 428, from ATP and PIONEER.

Listed part numbers: ATP JX150, ATP JX151 and ATP IL150, plus the other parts above.

This table covers the gaskets that seal the Filter. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Filter Gasket parts for the 1973 Ac 428 come from 2 brands — ATP and PIONEER.

Part numbers include ATP FG115 and PIONEER 7491065.

This table covers the gaskets that seal the Fluid Pan. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Fluid Pan Gasket parts are listed for the 1973 Ac 428, from ATP and PIONEER.

Listed part numbers: ATP FG114 and PIONEER 749007.

This table covers the gaskets that seal the Fluid Pump. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Fluid Pump Gasket parts for the 1973 Ac 428 come from 2 brands — ATP and PIONEER.

This group includes ATP FG113 and PIONEER 749072.

This table covers the Fluid Pump O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

2 Fluid Pump O-Ring parts are listed for the 1973 Ac 428, from ATP and PIONEER.

This group includes ATP FO151 and PIONEER 760004.

This table covers the precision wear sleeves used to restore a transmission pump seal surface. Read more

2 Fluid Pump Repair Sleeve parts for the 1973 Ac 428 come from 2 brands — NATIONAL and WJB / INMOTION PARTS.

This group includes NATIONAL 99199 and WJB / INMOTION PARTS WS99199.

This table covers the seals at the Fluid Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

5 Fluid Pump Seal parts for the 1973 Ac 428 come from 5 brands — NATIONAL, ATP, BCA and 2 other brands. The "Popular" part is NATIONAL 331107N.

Listed part numbers: NATIONAL 331107N, ATP KO1 and BCA NS331107N, plus the other parts above.

This table covers the governors and modulators that control transmission shift pressure. Read more

5 Governor / Modulator parts are listed for the 1973 Ac 428, from ATP and PIONEER. ATP FX194 carries the "Popular" badge.

Listed part numbers: ATP FX194, ATP FX189 and ATP ELC1030, plus the other parts above.

This table covers the seals at the Manual Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Manual Shaft Seal parts for the 1973 Ac 428 come from 2 brands — NATIONAL and WJB / INMOTION PARTS.

Part numbers include NATIONAL 7929S and WJB / INMOTION PARTS WS7929S.

This table covers the rebuild kits for this assembly. Read more

2 Rebuild Kit parts for the 1973 Ac 428 come from 2 brands — ATP and PIONEER.

Part numbers include ATP FGS110 and PIONEER 750024.

This table covers the Shift Improvement kits. Read more

2 Shift Improvement Kit parts are listed for the 1973 Ac 428, from PIONEER and ATP.

The Daily Driver section lists 1 option from PIONEER — grouped for everyday commuting duty. PIONEER 765001 is listed in this group.

The Heavy Duty section lists 1 option from ATP — rated for severe service. ATP FK6 is listed in this group.

Listed part numbers: PIONEER 765001 and ATP FK6.

This table covers the Shift Linkage bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

This group shows a single part: ATP FO300.

This table covers the Sun Gear bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

2 Sun Gear Bushing parts for the 1973 Ac 428 come from 2 brands — ATP and PIONEER.

This group includes ATP FB113 and PIONEER 755040.