2008 Cadillac STS Automatic Transmission Parts

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

GM GENUINE supplies both parts for the 2008 Cadillac STS.

Listed part numbers: GM GENUINE 24275872 and GM GENUINE 19540892.

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

2 Boost Valve parts are listed for the 2008 Cadillac STS, from SONNAX and TRANSGO.

Listed part numbers: SONNAX 6L80LB1 and 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

4 Bushing parts for the 2008 Cadillac STS come from DURA-BOND.

Part numbers include DURA-BOND JT4261, DURA-BOND JT4581T and DURA-BOND 02399, among others listed above.

This table covers the Bushing kits. Read more

This group shows a single part: DURA-BOND TK19A.

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

GM GENUINE supplies both parts for the 2008 Cadillac STS.

Part numbers include GM GENUINE 19132947 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

GM GENUINE supplies both parts for the 2008 Cadillac STS.

Listed part numbers: GM GENUINE 24225748 and GM GENUINE 24233661.

This table covers the Clutch housings. Read more

3 Clutch Housing parts for the 2008 Cadillac STS come from GM GENUINE.

Listed part numbers: GM GENUINE 24262872, GM GENUINE 24286477 and GM GENUINE 24237963.

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

4 Clutch Housing Thrust Bearing parts for the 2008 Cadillac STS come from GM GENUINE.

Part numbers include GM GENUINE 24233732, GM GENUINE 24285660 and GM GENUINE 24237209, among others listed above.

This table covers the Clutch hubs. Read more

3 Clutch Hub parts for the 2008 Cadillac STS come from GM GENUINE.

Listed part numbers: GM GENUINE 24233660, GM GENUINE 24252735 and GM GENUINE 24286219.

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

GM GENUINE supplies the 5 Clutch Pack Piston parts for the 2008 Cadillac STS. GM GENUINE 24225523 carries the "Popular" badge.

Part numbers include GM GENUINE 24225523, GM GENUINE 24238560 and GM GENUINE 24225525, among others listed 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 both parts for the 2008 Cadillac STS.

Part numbers include GM GENUINE 24225526 and GM GENUINE 24225522.

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 9 Clutch Plate parts for the 2008 Cadillac STS. GM GENUINE 24258079 carries the "Popular" badge.

The Backing Plate section lists 3 options from GM GENUINE — grouped under the catalog's "Backing Plate" designation — the notes column spells out what sets them apart. GM GENUINE 24225652 is listed in this group.

In the Friction grade, GM GENUINE supplies 6 parts: grouped under the catalog's "Friction" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 24258079.

This group includes GM GENUINE 24258079, GM GENUINE 24225652 and GM GENUINE 24225653 and the remaining parts above.

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

3 Clutch Plate Pack parts for the 2008 Cadillac STS come from 2 brands — RAYBESTOS POWERTRAIN and GM GENUINE.

The Friction Plate & Steel Plate Pack section lists 1 option from GM GENUINE — grouped under the catalog's "Friction Plate & Steel Plate Pack" designation — the notes column spells out what sets them apart. GM GENUINE 24244646 is listed in this group.

In the Friction Plate Pack grade, RAYBESTOS POWERTRAIN supplies 1 part: grouped under the catalog's "Friction Plate Pack" designation — the notes column spells out what sets them apart. A representative part number is RAYBESTOS POWERTRAIN RCP96203.

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 000285 is listed in this group.

This group includes GM GENUINE 24244646, RAYBESTOS POWERTRAIN RCP96203 and RAYBESTOS POWERTRAIN 000285.

This table covers the Clutch Plate Retaining rings. Read more

8 Clutch Plate Retaining Ring parts for the 2008 Cadillac STS come from GM GENUINE. The "Popular" part is GM GENUINE 24231591.

Part numbers include GM GENUINE 24231591, GM GENUINE 24225508 and GM GENUINE 24240629, among others listed above.

This table covers the Clutch Seal rings. Read more

This group shows a single part: GM GENUINE 24262141.

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

5 Clutch Spring parts for the 2008 Cadillac STS come from GM GENUINE.

Part numbers include GM GENUINE 24225559, GM GENUINE 24225560 and GM GENUINE 24225561, among others listed above.

This table covers the related components grouped with this assembly. Read more

2 Components parts for the 2008 Cadillac STS come from SONNAX.

Listed part numbers: SONNAX 76742 and SONNAX 12474030K.

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

This group shows a single part: GM GENUINE 24234562.

This table covers the Drive Sprocket 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 2008 Cadillac STS — GM GENUINE 88996564.

This table covers the Extension Housing bolts. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 24225788.

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

One part is listed for the 2008 Cadillac STS — GM GENUINE 24225783.

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

3 Extension Housing Seal parts are listed for the 2008 Cadillac STS, from NATIONAL, PIONEER and WJB / INMOTION PARTS.

Listed part numbers: NATIONAL 710843, PIONEER 759199 and WJB / INMOTION PARTS WS710843.

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

10 Filter parts for the 2008 Cadillac STS come from 7 brands — ATP, VARIOUS MFR, GM GENUINE and 4 other brands. The "Popular" part is ATP TF240.

The Economy section lists 2 options from ATP and VARIOUS MFR — the catalog's value-priced group. ATP TF240 is listed in this group.

In the Standard Replacement grade, ATP, GM GENUINE, HASTINGS / BALDWIN and 3 other brands supply 8 parts: built to original-equipment specification. A representative part number is GM GENUINE 24236517.

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

One part is listed for the 2008 Cadillac STS — GM GENUINE 24225347.

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

6 Fluid Cooler parts for the 2008 Cadillac STS come from 3 brands — TYC, GPD and SKP. The "Popular" part is TYC 19057.

Listed part numbers: TYC 19057, TYC 19058 and GPD 2611297, plus the other parts above.

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

4 Fluid Cooler Line / Hose Connector parts are listed for the 2008 Cadillac STS, from FOUR SEASONS and HAYDEN.

Listed part numbers: FOUR SEASONS 53009, FOUR SEASONS 53024 and HAYDEN 390, plus the other parts above.

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

3 Fluid Cooler Line / Hose Seal parts are listed for the 2008 Cadillac STS, from GM GENUINE and SKP.

Part numbers include GM GENUINE 24237658, GM GENUINE 15251488 and SKP SK66219.

This table covers the Fluid Cooler Line clips. Read more

This group shows a single part: DORMAN 14152.

This table covers the Fluid Pan drain plugs. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 24234212.

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

4 Fluid Pan Gasket parts for the 2008 Cadillac STS come from 4 brands — ATP, FEL-PRO, GM GENUINE and 1 other brand.

Listed part numbers: ATP JG141, FEL-PRO TOS18794 and GM GENUINE 24225800, plus the other parts above.

This table covers the Fluid Pan magnets. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 29535617.

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

2 Fluid Pump Bushing parts for the 2008 Cadillac STS come from DURA-BOND.

This group includes DURA-BOND JT2061 and DURA-BOND JT2061TG.

This table covers the Fluid Pump Cover bolts. Read more

This group shows a single part: GM GENUINE 24227061.

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

This group shows a single part: ELRING B07800.

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

3 Fluid Pump Rotor parts for the 2008 Cadillac STS come from GM GENUINE.

This group includes GM GENUINE 24049851, GM GENUINE 24049853 and GM GENUINE 24049852.

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

4 Fluid Pump Seal parts are listed for the 2008 Cadillac STS, from GM GENUINE, NATIONAL, SCHAEFFLER and 1 other brand.

Part numbers include GM GENUINE 24225543, NATIONAL 710830 and SCHAEFFLER SS2804, among others listed above.

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

GM GENUINE supplies the 3 Fluid Pump Slide parts for the 2008 Cadillac STS.

This group includes GM GENUINE 24224131, GM GENUINE 24224132 and GM GENUINE 24222668.

This table covers the gasket kits for this job. Typical signs include the leaks that sent this assembly to the bench. Confirm the kit matches the opening you are sealing; unused leftover pieces often belong to another configuration. Read more

One part is listed for the 2008 Cadillac STS — ULTRA-POWER 66219.

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

This group shows a single part: GM GENUINE 24225602.

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

3 Manual Shaft Seal parts are listed for the 2008 Cadillac STS, from GM GENUINE, NATIONAL and WJB / INMOTION PARTS.

Listed part numbers: GM GENUINE 24235861, NATIONAL 710545 and WJB / INMOTION PARTS WS710545.

This table covers the Manual Shift shafts. Read more

This group shows a single part: 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

This group shows a single part: GM GENUINE 24224770.

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

5 O-Rings & Seals parts are listed for the 2008 Cadillac STS, from GM GENUINE and ELRING. GM GENUINE 24238913 carries the "Popular" badge.

Listed part numbers: GM GENUINE 24238913, ELRING B16620 and GM GENUINE 24236928, plus the other parts above.

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

One part is listed for the 2008 Cadillac STS — GM GENUINE 24225603.

This table covers the Output Carrier Internal gears. Read more

GM GENUINE supplies both parts for the 2008 Cadillac STS.

Part numbers include GM GENUINE 24286178 and GM GENUINE 24286189.

This table covers the Output shafts. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 24251229.

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

GM GENUINE supplies both parts for the 2008 Cadillac STS.

Listed part numbers: GM GENUINE 24214158 and GM GENUINE 24224668.

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

One part is listed for the 2008 Cadillac STS — DURA-BOND 135021AT.

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 2008 Cadillac STS come from 2 brands — GM GENUINE and TIMKEN.

This group includes GM GENUINE 24228876 and TIMKEN SL260312.

This table covers the Plug adapters. Read more

One part is listed for the 2008 Cadillac STS — 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

This group shows a single part: TRANSGO 6L8VLPR3.

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

10 Rebuild Kit parts are listed for the 2008 Cadillac STS, from PIONEER and TRANSTEC. PIONEER 752244 carries the "Popular" badge.

In the Banner Kit (Overhaul Kit + Friction Clutch Plates) grade, PIONEER supplies 2 parts: 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 PIONEER 751144.

The Master Kit (Overhaul Kit + Friction & Steel Clutch Plates) section lists 3 options from PIONEER — grouped under the catalog's "Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)" designation — the notes column spells out what sets them apart. PIONEER 752244 is listed in this group.

In the Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) grade, PIONEER and TRANSTEC supply 5 parts: 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 PIONEER 750203.

This table covers the Retaining rings. Read more

GM GENUINE supplies the 3 Retaining Ring parts for the 2008 Cadillac STS.

Listed part numbers: GM GENUINE 24218963, GM GENUINE 24230370 and GM GENUINE 24241092.

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

This group shows a single part: GM GENUINE 24262141.

This table covers the Shift Improvement kits. Read more

4 Shift Improvement Kit parts for the 2008 Cadillac STS come from 4 brands — DORMAN, SKP, SONNAX and 1 other brand.

This group includes DORMAN 924600, SKP SK924600 and SONNAX 6L456L90ZIP and the remaining parts above.

This table covers the seals at the Shift 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 Shift Shaft Seal parts are listed for the 2008 Cadillac STS, from PIONEER and TIMKEN.

Listed part numbers: PIONEER 759168 and TIMKEN 710545.

This table covers the Shift solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

One part is listed for the 2008 Cadillac STS — VEMO V57770044.

This table covers the Snap rings. Read more

This group shows a single part: ACDELCO 24238920.

This table covers the one-way sprag clutches in the transmission. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 24238921.

This table covers the Sun gears. Read more

GM GENUINE supplies the 3 Sun Gear parts for the 2008 Cadillac STS.

Listed part numbers: GM GENUINE 24225289, GM GENUINE 24225290 and GM GENUINE 24235807.

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 3 Sun Gear Bearing parts for the 2008 Cadillac STS.

This group includes GM GENUINE 24224405, GM GENUINE 24225483 and GM GENUINE 24225484.

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

GM GENUINE supplies both parts for the 2008 Cadillac STS.

This group includes GM GENUINE 12597210 and GM GENUINE 24205900.

This table covers the Torque Converter bolts. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 11588468.

This table covers the Torque Converter Clutch 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 2008 Cadillac STS — TRANSGO 6L8CSTCC.

This table covers the Torque Converter Housing plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 24205899.

This table covers the seals at the Torque Converter 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 Torque Converter Shaft Seal parts are listed for the 2008 Cadillac STS, from GM GENUINE and TIMKEN.

Listed part numbers: GM GENUINE 24237531 and TIMKEN SL260009.

This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid. Read more

17 Transmission Fluid parts for the 2008 Cadillac STS come from 7 brands — VALVOLINE, LIQUI MOLY, PENTOSIN and 4 other brands. The "Popular" part is ACDELCO 109243.

In the ATF 64 grade, PENTOSIN supplies 2 parts: grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. A representative part number is PENTOSIN 1058113.

The Dexron section lists 4 options from VALVOLINE, ACDELCO and MOBIL — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. ACDELCO 109243 is listed in this group.

The Multi-Vehicle section lists 10 options from VALVOLINE, LIQUI MOLY, LUCAS OIL and 2 other brands — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. MOBIL 126505 is listed in this group.

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

This table covers the conditioners and additives used with this transmission fluid. Read more

7 Transmission Fluid Additive parts for the 2008 Cadillac STS come from LUBEGARD. The "Popular" part is LUBEGARD 19610.

Part numbers include LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, among others listed above.

This table covers the mounts that hold the transmission to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 25892302.

This table covers the Transmission service kits. Read more

One part is listed for the 2008 Cadillac STS — VAICO V510650XXL.

This table covers the Turbine Shaft Fluid Seal rings. Read more

This group shows a single part: GM GENUINE 24225511.

This table covers the seals at the Turbine 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 8662686.

This table covers the valve bodies that route hydraulic pressure inside the transmission. Read more

2 Valve Body parts for the 2008 Cadillac STS come from 2 brands — GM GENUINE and SONNAX.

Listed part numbers: GM GENUINE 24250384 and SONNAX GM6L45E.

This table covers the check balls inside the transmission valve body. Read more

One part is listed for the 2008 Cadillac STS — GM GENUINE 96020431.

This table covers the Valve Body Separator 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

One part is listed for the 2008 Cadillac STS — GM GENUINE 24245720.