2021 Chevrolet Express 2500 Automatic Transmission Parts

This table covers the control units that command automatic-transmission shifts. Read more

4 Automatic Transmission Control Unit (TCU) parts for the 2021 Chevrolet Express 2500 come from 2 brands — GM GENUINE and DORMAN.

Listed part numbers: DORMAN SP609006, GM GENUINE 24070762 and GM GENUINE 24275873, plus the other parts above.

This table covers the Boost valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

This group shows a single part: TRANSGO 6L8BOOSTOES.

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

DURA-BOND supplies the 5 Bushing parts for the 2021 Chevrolet Express 2500. DURA-BOND JT2181 carries the "Popular" badge.

This group includes DURA-BOND JT2181, DURA-BOND JT4261 and DURA-BOND JT4601 and the remaining parts above.

This table covers the Bushing kits. Read more

DURA-BOND supplies the 5 Bushing Kit parts for the 2021 Chevrolet Express 2500.

Listed part numbers: DURA-BOND TK19, DURA-BOND TK19B and DURA-BOND TK19D, plus the other parts above.

This table covers the Carrier Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24258230.

This table covers the transmission or transfer-case housings. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Express 2500.

Listed part numbers: GM GENUINE 24072764 and GM GENUINE 24290675.

This table covers the Case 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

One part is listed for the 2021 Chevrolet Express 2500 — DURA-BOND JT131.

This table covers the vents on a transmission or axle housing. Read more

3 Case Vent parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

Listed part numbers: GM GENUINE 15743069, GM GENUINE 24231684 and GM GENUINE 24225422.

This table covers the Clutch Apply plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

4 Clutch Apply Plate parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

This group includes GM GENUINE 24263039, GM GENUINE 24230482 and GM GENUINE 24280526 and the remaining parts above.

This table covers the Clutch Apply rings. Read more

2 Clutch Apply Ring parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

This group includes GM GENUINE 24269743 and GM GENUINE 24261070.

This table covers the Clutch housings. Read more

GM GENUINE supplies the 3 Clutch Housing parts for the 2021 Chevrolet Express 2500.

Part numbers include GM GENUINE 24262679, GM GENUINE 24286931 and GM GENUINE 24044230.

This table covers the Clutch Housing Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

GM GENUINE supplies the 8 Clutch Housing Thrust Bearing parts for the 2021 Chevrolet Express 2500. GM GENUINE 24233732 carries the "Popular" badge.

This group includes GM GENUINE 24233732, GM GENUINE 24226393 and GM GENUINE 24258197 and the remaining parts above.

This table covers the Clutch hubs. Read more

GM GENUINE supplies the 3 Clutch Hub parts for the 2021 Chevrolet Express 2500.

Listed part numbers: GM GENUINE 24286217, GM GENUINE 24230480 and GM GENUINE 24226723.

This table covers the pistons that apply a clutch pack. Read more

9 Clutch Pack Piston parts for the 2021 Chevrolet Express 2500 come from GM GENUINE. The "Popular" part is GM GENUINE 24232416.

This group includes GM GENUINE 24232416, GM GENUINE 24224169 and GM GENUINE 24259290 and the remaining parts above.

This table covers the seals at the Clutch Pack Piston Dam. 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 Clutch Pack Piston Dam / Seal parts for the 2021 Chevrolet Express 2500 come from GM GENUINE. The "Popular" part is GM GENUINE 24224708.

This group includes GM GENUINE 24224708, GM GENUINE 24232417 and GM GENUINE 24265092 and the remaining parts above.

This table covers the Clutch plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

30 Clutch Plate parts for the 2021 Chevrolet Express 2500 come from GM GENUINE. The "Popular" part is GM GENUINE 24240654. Grades run from Backing Plate through Wave Plate; Friction is the most populated section, led by GM GENUINE.

This table covers the clutch-plate packs inside the transmission or transfer case. Read more

5 Clutch Plate Pack parts are listed for the 2021 Chevrolet Express 2500, from RAYBESTOS POWERTRAIN and GM GENUINE. GM GENUINE 24285050 carries the "Popular" badge.

In the Friction grade, GM GENUINE supplies 1 part: grouped under the catalog's "Friction" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 24285050.

The Friction Plate Pack section lists 2 options from RAYBESTOS POWERTRAIN — grouped under the catalog's "Friction Plate Pack" designation — the notes column spells out what sets them apart. RAYBESTOS POWERTRAIN RCP96214 is listed in this group.

In the Steel Plate Pack grade, RAYBESTOS POWERTRAIN supplies 2 parts: grouped under the catalog's "Steel Plate Pack" designation — the notes column spells out what sets them apart. A representative part number is RAYBESTOS POWERTRAIN 000605.

Part numbers include GM GENUINE 24285050, RAYBESTOS POWERTRAIN RCP96214 and RAYBESTOS POWERTRAIN RCPS214, among others listed above.

This table covers the Clutch Plate Retaining rings. Read more

GM GENUINE supplies the 18 Clutch Plate Retaining Ring parts for the 2021 Chevrolet Express 2500. GM GENUINE 24233406 carries the "Popular" badge.

This table covers the Clutch Seal rings. Read more

GM GENUINE supplies the 3 Clutch Seal Ring parts for the 2021 Chevrolet Express 2500.

Listed part numbers: GM GENUINE 24259218, GM GENUINE 24262438 and GM GENUINE 24266593.

This table covers the Clutch springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

GM GENUINE supplies the 5 Clutch Spring parts for the 2021 Chevrolet Express 2500. GM GENUINE 24224714 carries the "Popular" badge.

Listed part numbers: GM GENUINE 24224714, GM GENUINE 24224732 and GM GENUINE 24224725, plus the other parts above.

This table covers the detent levers that hold a shifter in gear. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24234562.

This table covers the Extension housings. Read more

GM GENUINE supplies the 3 Extension Housing parts for the 2021 Chevrolet Express 2500.

Listed part numbers: GM GENUINE 24287641, GM GENUINE 24226703 and GM GENUINE 24287179.

This table covers the Extension Housing bolts. Read more

This group shows a single part: GM GENUINE 11546404.

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

One part is listed for the 2021 Chevrolet Express 2500 — DURA-BOND JT352.

This table covers the gaskets that seal the Extension Housing. 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 Extension Housing Gasket parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

This group includes GM GENUINE 24224675 and GM GENUINE 24265798.

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

6 Filter parts are listed for the 2021 Chevrolet Express 2500, from WIX, VARIOUS MFR, ATP and 2 other brands. ATP B240 carries the "Popular" badge.

In the Economy grade, VARIOUS MFR supplies 1 part: the catalog's value-priced group. A representative part number is VARIOUS MFR PT99576.

The Standard Replacement section lists 4 options from WIX, ATP and PIONEER — built to original-equipment specification. ATP B240 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include ATP B240, VARIOUS MFR PT99576 and WIX 58369, among others listed above.

This table covers the seals at the Filter. 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

This group shows a single part: GM GENUINE 24225347.

This table covers the flexplates that connect the crankshaft to the torque converter. Read more

This group shows a single part: GM GENUINE 24586265.

This table covers the Flexplate Mounting bolts. Read more

This group shows a single part: GM GENUINE 12630462.

This table covers the Fluid Cooler Control valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

This group shows a single part: GM GENUINE 13561467.

This table covers the Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Express 2500.

This group includes GM GENUINE 84780457 and GM GENUINE 84585249.

This table covers the harness connectors at the Fluid Cooler Line / Hose. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: GM GENUINE 19130039.

This table covers the seals at the Fluid Cooler Line / Hose. 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 Fluid Cooler Line / Hose Seal parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

Listed part numbers: GM GENUINE 85628205 and GM GENUINE 24237658.

This table covers the Fluid Cooler Line clips. Read more

6 Fluid Cooler Line Clip parts are listed for the 2021 Chevrolet Express 2500, from GM GENUINE and DORMAN. GM GENUINE 22988272 carries the "Popular" badge.

Part numbers include GM GENUINE 22988272, GM GENUINE 24205103 and DORMAN 14152, among others listed above.

This table covers the pans that hold automatic-transmission fluid. Read more

2 Fluid Pan parts for the 2021 Chevrolet Express 2500 come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 265925 and GM GENUINE 24045035.

This table covers the Fluid Pan drain plugs. Read more

2 Fluid Pan Drain Plug parts for the 2021 Chevrolet Express 2500 come from 2 brands — DORMAN and GM GENUINE.

This group includes DORMAN 265003 and GM GENUINE 24267298.

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

5 Fluid Pan Gasket parts are listed for the 2021 Chevrolet Express 2500, from GM GENUINE, FEL-PRO and VICTOR REINZ. GM GENUINE 24260071 carries the "Popular" badge.

Part numbers include GM GENUINE 24260071, FEL-PRO TOS18776 and FEL-PRO TOS18787, among others listed above.

This table covers the Fluid Pan magnets. Read more

This group shows a single part: GM GENUINE 29535617.

This table covers the Fluid pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24059773.

This table covers the Fluid Pump 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

3 Fluid Pump Bushing parts are listed for the 2021 Chevrolet Express 2500, from DURA-BOND and GM GENUINE.

Part numbers include DURA-BOND JT2061, DURA-BOND JT2061TG and GM GENUINE 24259160.

This table covers the Fluid Pump Cover bolts. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24227061.

This table covers the Fluid Pump rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Express 2500.

Listed part numbers: GM GENUINE 24054657 and GM GENUINE 24054658.

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

2 Fluid Pump Seal parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

Listed part numbers: GM GENUINE 24298766 and GM GENUINE 24224577.

This table covers the slides inside the transmission fluid pump. Read more

3 Fluid Pump Slide parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

Listed part numbers: GM GENUINE 24224131, GM GENUINE 24224132 and GM GENUINE 24222668.

This table covers the input carriers in the planetary gearset. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Express 2500.

Part numbers include GM GENUINE 24239520 and GM GENUINE 24060537.

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

This group shows a single part: GM GENUINE 24235861.

This table covers the Manual Shift shafts. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24225445.

This table covers the manual valves in the transmission valve body. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24224770.

This table covers the O-rings and seals at this joint. Read more

3 O-Rings & Seals parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

Part numbers include GM GENUINE 24265265, GM GENUINE 24236928 and GM GENUINE 24288190.

This table covers the output carriers in the planetary gearset. Read more

This group shows a single part: GM GENUINE 24253983.

This table covers the Output Carrier Internal gears. Read more

This group shows a single part: GM GENUINE 24278791.

This table covers the Output shafts. Read more

This group shows a single part: GM GENUINE 24275273.

This table covers the Output Shaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

2 Output Shaft Bearing parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

Part numbers include GM GENUINE 24224668 and GM GENUINE 24266376.

This table covers the Output Shaft 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: DURA-BOND JT4981.

This table covers the seals at the Output 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

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24228777.

This table covers the brackets that mount the Park Pawl Actuator. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: GM GENUINE 24285402.

This table covers the parking pawls that lock the transmission in Park. Read more

GM GENUINE supplies the 3 Parking Pawl parts for the 2021 Chevrolet Express 2500.

Listed part numbers: GM GENUINE 24280047, GM GENUINE 24293387 and GM GENUINE 24279985.

This table covers the Plug adapters. Read more

This group shows a single part: GM GENUINE 8654382.

This table covers the Pressure Regulator valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

One part is listed for the 2021 Chevrolet Express 2500 — TRANSGO 6L8VLPR3.

This table covers the reaction carriers in the planetary gearset. Read more

This group shows a single part: GM GENUINE 24059373.

This table covers the Reaction Carrier Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

This group shows a single part: GM GENUINE 24258230.

This table covers the Reaction Internal gears. Read more

2 Reaction Internal Gear parts for the 2021 Chevrolet Express 2500 come from GM GENUINE.

This group includes GM GENUINE 24281348 and GM GENUINE 24281344.

This table covers the Reaction Internal Gear supports. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24277050.

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

4 Rebuild Kit parts for the 2021 Chevrolet Express 2500 come from 2 brands — PA CARGO and LUK.

The Banner Kit (Overhaul Kit + Friction Clutch Plates) section lists 1 option from PA CARGO — grouped under the catalog's "Banner Kit (Overhaul Kit + Friction Clutch Plates)" designation — the notes column spells out what sets them apart. PA CARGO DK13800S is listed in this group.

In the Master Kit (Overhaul Kit + Friction & Steel Clutch Plates) grade, PA CARGO supplies 1 part: grouped under the catalog's "Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)" designation — the notes column spells out what sets them apart. A representative part number is PA CARGO DK13800.

The Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) section lists 1 option from PA CARGO — grouped under the catalog's "Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)" designation — the notes column spells out what sets them apart. PA CARGO K138900 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

Listed part numbers: PA CARGO DK13800S, PA CARGO DK13800 and PA CARGO K138900, plus the other parts above.

This table covers the Retaining rings. Read more

6 Retaining Ring parts for the 2021 Chevrolet Express 2500 come from GM GENUINE. The "Popular" part is GM GENUINE 24218963.

Part numbers include GM GENUINE 24218963, GM GENUINE 24230477 and GM GENUINE 24263436, among others listed above.

This table covers the sealing rings inside this assembly. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 24054655.