2021 Chevrolet Blazer Automatic Transmission Parts

This table covers the accumulators in this hydraulic or A/C circuit. Read more

This group shows a single part: GM GENUINE 24060298.

This table covers the pistons inside a transmission accumulator. Read more

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 24268041.

This table covers the Accumulator Piston Seal sleeves. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Blazer. All of them fit every engine offered in the 2021 Blazer.

Listed part numbers: GM GENUINE 24271624 and GM GENUINE 24288114.

This table covers the Accumulator 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

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 24268042.

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

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 24046814.

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

This group shows a single part: GM GENUINE 24278312.

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

2 Case parts for the 2021 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 24284344 and GM GENUINE 24284191.

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

GM GENUINE supplies both parts for the 2021 Chevrolet Blazer. All of them fit every engine offered in the 2021 Blazer.

Listed part numbers: GM GENUINE 24267678 and GM GENUINE 24286809.

This table covers the Clutch Apply rings. Read more

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 24269904.

This table covers the Clutch housings. Read more

2 Clutch Housing parts for the 2021 Chevrolet Blazer come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).

Listed part numbers: GM GENUINE 24278556 and GM GENUINE 24284941.

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

2 Clutch Housing Thrust Bearing parts for the 2021 Chevrolet Blazer come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).

Part numbers include GM GENUINE 24260435 and GM GENUINE 24291353.

This table covers the Clutch hubs. Read more

This group shows a single part: GM GENUINE 24282552.

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

GM GENUINE supplies the 5 Clutch Pack Piston parts for the 2021 Chevrolet Blazer. GM GENUINE 24278260 carries the "Popular" badge. All of them fit every engine offered in the 2021 Blazer.

Listed part numbers: GM GENUINE 24278260, GM GENUINE 24050076 and GM GENUINE 24297284, plus the other 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

GM GENUINE supplies the 5 Clutch Pack Piston Dam / Seal parts for the 2021 Chevrolet Blazer. GM GENUINE 24230745 carries the "Popular" badge. All of them fit every engine offered in the 2021 Blazer.

Listed part numbers: GM GENUINE 24230745, GM GENUINE 24230739 and GM GENUINE 24277333, plus the other 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

GM GENUINE supplies the 11 Clutch Plate parts for the 2021 Chevrolet Blazer. GM GENUINE 24267680 carries the "Popular" badge. 9 parts fit every engine; the other 2 are engine-specific.

The Backing Plate section lists 2 options from GM GENUINE — grouped under the catalog's "Backing Plate" designation — the notes column spells out what sets them apart. GM GENUINE 24267680 is listed in this group.

In the Friction grade, GM GENUINE supplies 7 parts: grouped under the catalog's "Friction" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 24268140.

The Wave Plate section lists 1 option from GM GENUINE — grouped under the catalog's "Wave Plate" designation — the notes column spells out what sets them apart. GM GENUINE 24286803 is listed in this group.

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

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

4 Clutch Plate Pack parts for the 2021 Chevrolet Blazer come from 2 brands — RAYBESTOS POWERTRAIN and GM GENUINE. 3 parts fit every engine; the other 1 is engine-specific.

In the Friction Plate Pack grade, RAYBESTOS POWERTRAIN and GM GENUINE supply 3 parts: grouped under the catalog's "Friction Plate Pack" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 24292069.

The Steel Plate Pack section lists 1 option from RAYBESTOS POWERTRAIN — grouped under the catalog's "Steel Plate Pack" designation — the notes column spells out what sets them apart. RAYBESTOS POWERTRAIN STMGM44 is listed in this group.

This group includes GM GENUINE 24292069, RAYBESTOS POWERTRAIN FRMGM03 and RAYBESTOS POWERTRAIN RCP96521 and the remaining parts above.

This table covers the Clutch Plate Retaining rings. Read more

3 Clutch Plate Retaining Ring parts for the 2021 Chevrolet Blazer come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).

Listed part numbers: GM GENUINE 24267681, GM GENUINE 24253298 and GM GENUINE 24272171.

This table covers the Clutch Seal rings. Read more

This group shows a single part: GM GENUINE 24237428.

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

2 Clutch Spring parts for the 2021 Chevrolet Blazer come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).

Part numbers include GM GENUINE 24271841 and GM GENUINE 24287544.

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

This group shows a single part: GM GENUINE 24295512.

This table covers the drive chains in the transfer case or oil pump. Read more

GM GENUINE supplies the 3 Drive Chain parts for the 2021 Chevrolet Blazer. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: GM GENUINE 24077756, GM GENUINE 24297266 and GM GENUINE 24238173.

This table covers the Drive sprockets. Read more

GM GENUINE supplies the 3 Drive Sprocket parts for the 2021 Chevrolet Blazer. 1 part fits every engine; the other 2 are engine-specific.

Part numbers include GM GENUINE 24055712, GM GENUINE 24267880 and GM GENUINE 24271482.

This table covers the Driven sprockets. Read more

GM GENUINE supplies the 4 Driven Sprocket parts for the 2021 Chevrolet Blazer.

Part numbers include GM GENUINE 24267889, GM GENUINE 24268629 and GM GENUINE 24268635, among others listed above.

This table covers the Extension Housing bolts. Read more

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 11610906.

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

5 Filter parts for the 2021 Chevrolet Blazer come from 4 brands — RAYBESTOS POWERTRAIN, SKP, GM GENUINE and 1 other brand. The "Popular" part is GM GENUINE TF925. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SK104710 is listed in this group.

In the Standard Replacement grade, RAYBESTOS POWERTRAIN and GM GENUINE supply 3 parts: built to original-equipment specification. A representative part number is GM GENUINE TF925.

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

Part numbers include GM GENUINE TF925, SKP SK104710 and RAYBESTOS POWERTRAIN 515279, among others listed 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

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 24247757.

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

GM GENUINE supplies both parts for the 2021 Chevrolet Blazer.

This group includes GM GENUINE 12686890 and GM GENUINE 12699085.

This table covers the Flexplate Mounting bolts. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Blazer.

Listed part numbers: GM GENUINE 11588468 and GM GENUINE 11610697.

This table covers the heat exchangers that cool transmission fluid. Typical signs include fluid that overheats, a leak at the cooler fittings, or milky fluid that says coolant and ATF have mixed. Flush the lines when you replace a cooler. Cross-contamination is how a small leak becomes a transmission job. Read more

5 Fluid Cooler parts for the 2021 Chevrolet Blazer come from 3 brands — DORMAN, GM GENUINE and TYC.

This group includes DORMAN 918945, DORMAN 918646 and GM GENUINE 24042617 and the remaining parts above.

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

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 84132337.

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

18 Fluid Cooler Line / Hose parts for the 2021 Chevrolet Blazer come from 2 brands — GM GENUINE and SUNSONG. The "Popular" part is GM GENUINE 84132342.

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

GM GENUINE supplies the 3 Fluid Cooler Line / Hose Connector parts for the 2021 Chevrolet Blazer. 1 part fits every engine; the other 2 are engine-specific.

Part numbers include GM GENUINE 24284114, GM GENUINE 15226661 and GM GENUINE 19210848.

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

GM GENUINE supplies both parts for the 2021 Chevrolet Blazer. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include GM GENUINE 85628208 and GM GENUINE 24284737.

This table covers the Fluid Cooler Line clips. Read more

4 Fluid Cooler Line Clip parts for the 2021 Chevrolet Blazer come from 2 brands — GM GENUINE and DORMAN. 3 parts fit every engine; the other 1 is engine-specific.

Part numbers include DORMAN 14152, GM GENUINE 11546932 and GM GENUINE 25938657, among others listed above.

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

3 Fluid Pump parts for the 2021 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 24052580, GM GENUINE 24052579 and GM GENUINE 24052581.

This table covers the Fluid Pump Cover bolts. Read more

3 Fluid Pump Cover Bolt parts for the 2021 Chevrolet Blazer come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).

This group includes GM GENUINE 11547920, GM GENUINE 24044946 and GM GENUINE 24230699.

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

6 Fluid Pump Seal parts are listed for the 2021 Chevrolet Blazer, from ELRING and GM GENUINE. ELRING 201030 carries the "Popular" badge. 2 parts fit every engine; the other 4 are engine-specific.

Listed part numbers: ELRING 201030, GM GENUINE 24268389 and ELRING 782090, plus the other parts above.

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

3 Input Carrier parts for the 2021 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 24270413, GM GENUINE 24267561 and GM GENUINE 24271446.

This table covers the seals at the Input 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 Blazer — ELRING B18300.

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

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 24256576.

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

7 O-Rings & Seals parts are listed for the 2021 Chevrolet Blazer, from GM GENUINE and ELRING. ELRING 781330 carries the "Popular" badge.

This group includes ELRING 781330, GM GENUINE 24291646 and ELRING 469663 and the remaining parts above.

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

GM GENUINE supplies the 3 Output Carrier parts for the 2021 Chevrolet Blazer.

Listed part numbers: GM GENUINE 24278433, GM GENUINE 24268247 and GM GENUINE 24298225.

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

2 Output Shaft Seal parts for the 2021 Chevrolet Blazer come from 2 brands — NATIONAL and SKF. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).

Listed part numbers: NATIONAL 711188 and SKF 12995A.

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

2 Parking Pawl parts for the 2021 Chevrolet Blazer come from GM GENUINE. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).

Listed part numbers: GM GENUINE 24280954 and GM GENUINE 24285405.

This table covers the Plug adapters. Read more

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 8654382.

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

PA CARGO supplies both parts for the 2021 Chevrolet Blazer. All of them fit every engine offered in the 2021 Blazer.

In the Banner Kit (Overhaul Kit + Friction Clutch Plates) grade, PA CARGO supplies 1 part: grouped under the catalog's "Banner Kit (Overhaul Kit + Friction Clutch Plates)" designation — the notes column spells out what sets them apart. A representative part number is PA CARGO DK10400S.

In the Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) grade, PA CARGO supplies 1 part: grouped under the catalog's "Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)" designation — the notes column spells out what sets them apart. A representative part number is PA CARGO K104900.

Listed part numbers: PA CARGO DK10400S and PA CARGO K104900.

This table covers the Retaining rings. Read more

GM GENUINE supplies the 3 Retaining Ring parts for the 2021 Chevrolet Blazer. All of them fit every engine offered in the 2021 Blazer.

Part numbers include GM GENUINE 24231278, GM GENUINE 24271842 and GM GENUINE 24283583.

This table covers the pistons in a transmission servo. Read more

This group shows a single part: PA CARGO K10490099.

This table covers the Shift cables. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 84862513.

This table covers the brackets that mount the Shift Cable. 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

One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 84128062.

This table covers the Sun gears. Read more

GM GENUINE supplies the 7 Sun Gear parts for the 2021 Chevrolet Blazer. 3 parts fit every engine; the other 4 are engine-specific.

Listed part numbers: GM GENUINE 24042484, GM GENUINE 24269026 and GM GENUINE 24282554, plus the other parts above.

This table covers the Sun Gear 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 6 Sun Gear Bearing parts for the 2021 Chevrolet Blazer. GM GENUINE 24260431 carries the "Popular" badge. All of them fit every engine offered in the 2021 Blazer.

This group includes GM GENUINE 24260431, GM GENUINE 24260438 and GM GENUINE 24076254 and the remaining parts above.

This table covers the Torque converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering. Read more

This group shows a single part: GM GENUINE 24293113.

This table covers the hardware around the torque converter and bellhousing. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Blazer.

This group includes GM GENUINE 11515758 and GM GENUINE 24240026.