2002 Hummer H1 Automatic Transmission Parts

This table covers the Actuator Feed Limit 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 Actuator Feed Limit Valve parts for the 2002 Hummer H1 come from TRANSGO.

Part numbers include TRANSGO 48ACTVL6 and TRANSGO 48ACTTL.

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

5 Band parts are listed for the 2002 Hummer H1, from BORG-WARNER, PIONEER and ATP. BORG-WARNER 38014BW carries the "Popular" badge.

This group includes BORG-WARNER 38014BW, ATP JX60 and BORG-WARNER 50236BW and the remaining 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

One part is listed for the 2002 Hummer H1 — SONNAX 4L80ELB1.

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

2 Bushing parts for the 2002 Hummer H1 come from 2 brands — DURA-BOND and PIONEER.

This group includes DURA-BOND GMT42 and PIONEER 755189.

This table covers the Bushing kits. Read more

5 Bushing Kit parts for the 2002 Hummer H1 come from 3 brands — DURA-BOND, PIONEER and ATP. The "Popular" part is PIONEER 754032.

Part numbers include PIONEER 754032, ATP TBK1050 and DURA-BOND TK4A, among others listed above.

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

2 Case Bushing parts for the 2002 Hummer H1 come from 2 brands — DURA-BOND and SONNAX.

Listed part numbers: DURA-BOND GMT44 and SONNAX 34006SPB.

This table covers the Center Support 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 03118.

This table covers the Clutch hubs. Read more

This group shows a single part: SONNAX 3432202K.

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

4 Clutch Plate Pack parts for the 2002 Hummer H1 come from RAYBESTOS POWERTRAIN.

In the Friction Plate Pack grade, RAYBESTOS POWERTRAIN supplies 2 parts: 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 RCP96075.

The Steel Plate Pack section lists 2 options from RAYBESTOS POWERTRAIN — grouped under the catalog's "Steel Plate Pack" designation — the notes column spells out what sets them apart. RAYBESTOS POWERTRAIN 000581 is listed in this group.

Listed part numbers: RAYBESTOS POWERTRAIN RCP96075, RAYBESTOS POWERTRAIN RCPS36 and RAYBESTOS POWERTRAIN 000581, plus the other parts above.

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

8 Components parts for the 2002 Hummer H1 come from SONNAX. The "Popular" part is SONNAX 3499801K.

This group includes SONNAX 3499801K, SONNAX 3420047K and SONNAX 3471601 and the remaining parts above.

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

4 Extension Housing Bushing parts for the 2002 Hummer H1 come from 2 brands — DURA-BOND and PIONEER.

This group includes DURA-BOND 34005F, DURA-BOND 34066EXBR and DURA-BOND GMT45 and the remaining parts above.

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

PIONEER supplies both parts for the 2002 Hummer H1.

Listed part numbers: PIONEER 749296 and PIONEER 749295.

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

14 Extension Housing Seal parts are listed for the 2002 Hummer H1, from NATIONAL, WJB / INMOTION PARTS, SCHAEFFLER and 4 other brands. ACDELCO 4333N carries the "Popular" badge.

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 2002 Hummer H1 come from 7 brands — ATP, CHAMP / LUBER-FINER, VARIOUS MFR and 4 other brands. The "Popular" part is ATP B174.

The Economy section lists 3 options from ATP, CHAMP / LUBER-FINER and VARIOUS MFR — the catalog's value-priced group. ATP TF174 is listed in this group.

In the Standard Replacement grade, ATP, WIX, ACDELCO and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is ATP B174.

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

2 Flexplate parts are listed for the 2002 Hummer H1, from ATP and PIONEER.

This group includes ATP Z136 and PIONEER FRA142.

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 for the 2002 Hummer H1 come from 5 brands — ATP, FEL-PRO, MAHLE / CLEVITE and 2 other brands. The "Popular" part is ATP JG142.

This group includes ATP JG142, FEL-PRO TOS18698 and MAHLE / CLEVITE W39379 and the remaining parts above.

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

6 Fluid Pump Bushing parts for the 2002 Hummer H1 come from 2 brands — DURA-BOND and PIONEER. The "Popular" part is DURA-BOND 34001CSTG.

This group includes DURA-BOND 34001CSTG, DURA-BOND 34001CT and DURA-BOND 34001C and the remaining parts above.

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 are listed for the 2002 Hummer H1, from ATP and PIONEER.

Part numbers include ATP SG47 and PIONEER 749361.

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

2 Fluid Pump Repair Sleeve parts are listed for the 2002 Hummer H1, from NATIONAL and WJB / INMOTION PARTS.

Listed part numbers: 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

6 Fluid Pump Seal parts are listed for the 2002 Hummer H1, from NATIONAL, BCA, ATP and 1 other brand. NATIONAL 714598 carries the "Popular" badge.

Listed part numbers: NATIONAL 714598, NATIONAL 341022 and ATP JO122, plus the other parts above.

This table covers the Fluid temperature sensors. Typical signs include hard cold starts, a fan that never comes on, or a gauge that disagrees with the scan tool. A sensor that reads open or shorted is usually the part; an implausible-but-smooth reading can be wiring. Read more

This group shows a single part: PIONEER 771090.

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

This group shows a single part: TRANSGO 48MOD.

This table covers the Main shafts. Read more

One part is listed for the 2002 Hummer H1 — SONNAX 3467205.

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 are listed for the 2002 Hummer H1, from NATIONAL and WJB / INMOTION PARTS.

Listed part numbers: NATIONAL 8792S and WJB / INMOTION PARTS WS8792S.

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 2002 Hummer H1 — DURA-BOND 8624988.

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

This group shows a single part: SCHAEFFLER SS2962.

This table covers the Pressure Control (EPC) 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

4 Pressure Control (EPC) Solenoid parts for the 2002 Hummer H1 come from 4 brands — ATP, PA CARGO, PIONEER and 1 other brand.

Listed part numbers: ATP JE14, PA CARGO 34605A and PIONEER 771027, plus the other parts above.

This table covers the Pressure Switch manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone. Read more

3 Pressure Switch Manifold parts are listed for the 2002 Hummer H1, from ATP, PIONEER and ROSTRA.

This group includes ATP JE10, PIONEER 772014 and ROSTRA 501000.

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

12 Rebuild Kit parts are listed for the 2002 Hummer H1, from PIONEER, PA CARGO, ATP and 1 other brand. PA CARGO DK3400GS carries the "Popular" badge.

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 DK3400GS.

In the Deluxe Kit (Master Kit + Filter, Band & Common Bushings) grade, PIONEER supplies 2 parts: grouped under the catalog's "Deluxe Kit (Master Kit + Filter, Band & Common Bushings)" designation — the notes column spells out what sets them apart. A representative part number is PIONEER 753060.

The Master Kit (Overhaul Kit + Friction & Steel Clutch Plates) section lists 5 options from ATP, PIONEER and PA CARGO — grouped under the catalog's "Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)" designation — the notes column spells out what sets them apart. PA CARGO DK3400G is listed in this group.

In the Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) grade, TRANSTEC, PA CARGO and PIONEER supply 4 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 PA CARGO K34900G.

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

This group shows a single part: TRANSGO 4L80EHTRK.

This table covers the Shift Improvement kits. Read more

3 Shift Improvement Kit parts for the 2002 Hummer H1 come from TRANSGO.

In the Daily Driver grade, TRANSGO supplies 1 part: grouped for everyday commuting duty. A representative part number is TRANSGO SK4L80E.

The High Performance section lists 2 options from TRANSGO — engineered beyond original-equipment specification. TRANSGO 4L80EHD2 is listed in this group.

This group includes TRANSGO SK4L80E, TRANSGO 4L80EHD2 and TRANSGO 4L80E3.

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 2002 Hummer H1, from ACDELCO and SCHAEFFLER.

Listed part numbers: ACDELCO 8792S and SCHAEFFLER SS2114.

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

5 Shift Solenoid parts are listed for the 2002 Hummer H1, from ATP, PIONEER and ROSTRA. ROSTRA 520356 carries the "Popular" badge.

Listed part numbers: ROSTRA 520356, ATP CE3 and ATP JE53, plus the other parts above.

This table covers the Stator Support 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

3 Stator Support Shaft Bushing parts for the 2002 Hummer H1 come from DURA-BOND.

Part numbers include DURA-BOND GMT41, DURA-BOND 8661614 and DURA-BOND GMT41A.

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

DURA-BOND supplies both parts for the 2002 Hummer H1.

Part numbers include DURA-BOND 03131BRS and DURA-BOND 03131.

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: TC REMANUFACTURING B81NS.

This table covers the Torque Converter Clutch 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

2 Torque Converter Clutch Solenoid parts for the 2002 Hummer H1 come from 2 brands — PIONEER and ROSTRA.

Part numbers include PIONEER 771021 and ROSTRA 520241.

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

TRANSGO supplies both parts for the 2002 Hummer H1.

Listed part numbers: TRANSGO 4L80ETCC and TRANSGO 48CCV.

This table covers the wear sleeves used to restore a Torque Converter seal surface. Read more

One part is listed for the 2002 Hummer H1 — SCHAEFFLER SR3511.

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

20 Transmission Fluid parts for the 2002 Hummer H1 come from 5 brands — VALVOLINE, ACDELCO, LIQUI MOLY and 2 other brands. The "Popular" part is ACDELCO 109243.

The Dexron section lists 6 options from VALVOLINE and ACDELCO — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. ACDELCO 109243 is listed in this group.

The Mercon section lists 1 option from VALVOLINE — grouped under the catalog's "Mercon" designation — the notes column spells out what sets them apart. VALVOLINE 822345 is listed in this group.

The Multi-Vehicle section lists 7 options from VALVOLINE and LIQUI MOLY — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. VALVOLINE VV3246 is listed in this group.

The Type III (H) section lists 2 options from ACDELCO — grouped under the catalog's "Type III (H)" designation — the notes column spells out what sets them apart. ACDELCO 109240 is listed in this group.

The Type T-4 (Type T-IV) section lists 2 options from IDEMITSU — grouped under the catalog's "Type T-4 (Type T-IV)" designation — the notes column spells out what sets them apart. IDEMITSU 30040093750 is listed in this group.

The ZF Fluid section lists 1 option from ZF — grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. ZF 5961308623 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

8 Transmission Fluid Additive parts for the 2002 Hummer H1 come from 2 brands — LUBEGARD and ATP. The "Popular" part is LUBEGARD 19610.

Part numbers include LUBEGARD 19610, LUBEGARD 60902 and ATP AT202, among others listed above.

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

3 Valve Body parts for the 2002 Hummer H1 come from 2 brands — SONNAX and PA CARGO.

Part numbers include PA CARGO GM4624, SONNAX GM028 and SONNAX GM033.

This table covers the gaskets that seal the Valve Body. 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 2002 Hummer H1 — TRANSTEC 72401472.

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 2002 Hummer H1 — TRANSGO 48PLT01.

This table covers the testers used to diagnose a valve body. Read more

This group shows a single part: SONNAX 34994VTP.