2000 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 2000 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

4 Band parts are listed for the 2000 Hummer H1, from ATP and PIONEER.

Listed part numbers: ATP JX60, ATP TPB1060 and PIONEER 767125, 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

One part is listed for the 2000 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

5 Bushing parts for the 2000 Hummer H1 come from 3 brands — ATP, PIONEER and DURA-BOND. The "Popular" part is DURA-BOND GMT42.

Listed part numbers: DURA-BOND GMT42, ATP JB50 and ATP JB52, plus the other parts above.

This table covers the Bushing kits. Read more

6 Bushing Kit parts for the 2000 Hummer H1 come from 3 brands — DURA-BOND, PIONEER and ATP. The "Popular" part is PIONEER 754032.

This group includes PIONEER 754032, ATP TBK1050 and DURA-BOND TK4 and the remaining parts 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 2000 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

2 Center Support Bushing parts for the 2000 Hummer H1 come from DURA-BOND.

This group includes DURA-BOND 02101 and 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 2000 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.

This group includes RAYBESTOS POWERTRAIN RCP96075, RAYBESTOS POWERTRAIN RCPS36 and RAYBESTOS POWERTRAIN 000581 and the remaining parts above.

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

8 Components parts for the 2000 Hummer H1 come from SONNAX. The "Popular" part is SONNAX 3499801K.

Part numbers include SONNAX 3499801K, SONNAX 3420047K and SONNAX 3471601, among others listed above.

This table covers the Extension Housing 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

3 Extension Housing Bearing parts for the 2000 Hummer H1 come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL.

The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB6009 is listed in this group.

In the Standard Replacement grade, BCA and NATIONAL supply 2 parts: built to original-equipment specification. A representative part number is BCA NB109.

Part numbers include WJB / INMOTION PARTS RB6009, BCA NB109 and NATIONAL 109.

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 2000 Hummer H1 come from 3 brands — PIONEER, ATP and DURA-BOND.

Listed part numbers: ATP JB54, DURA-BOND 34005F and PIONEER 755183, plus the other 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 2000 Hummer H1.

Part numbers include 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

10 Extension Housing Seal parts are listed for the 2000 Hummer H1, from NATIONAL, ATP, PIONEER and 3 other brands. NATIONAL 9449 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

13 Filter parts for the 2000 Hummer H1 come from 8 brands — ATP, WIX, CHAMP / LUBER-FINER and 5 other brands. The "Popular" part is WIX 58904.

The Economy section: 3 options from ATP, CHAMP / LUBER-FINER and VARIOUS MFR. ATP TF174 is listed in this group.

Standard Replacement: 10 parts, from WIX, ATP, ACDELCO and 3 other brands. A representative part number is WIX 58904.

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

2 Flexplate parts are listed for the 2000 Hummer H1, from ATP and PIONEER.

Part numbers include 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

7 Fluid Pan Gasket parts for the 2000 Hummer H1 come from 5 brands — ATP, PIONEER, FEL-PRO and 2 other brands. The "Popular" part is ATP JG142.

This group includes ATP JG142, FEL-PRO TOS18698 and ATP JG107 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

7 Fluid Pump Bushing parts for the 2000 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 34001 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 2000 Hummer H1, from ATP and PIONEER.

Listed part numbers: ATP SG47 and PIONEER 749361.

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: PIONEER 762037.

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 2000 Hummer H1, from NATIONAL and WJB / INMOTION PARTS.

Part numbers include 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

10 Fluid Pump Seal parts are listed for the 2000 Hummer H1, from NATIONAL, SKF, BCA and 4 other brands. NATIONAL 714598 carries the "Popular" badge.

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 2000 Hummer H1 — SONNAX 3467205.

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

2 Output Shaft Bushing parts are listed for the 2000 Hummer H1, from DURA-BOND and PIONEER.

Part numbers include DURA-BOND 8624988 and PIONEER 755073.

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 2000 Hummer H1 come from 4 brands — ATP, PA CARGO, PIONEER and 1 other brand.

Part numbers include ATP JE14, PA CARGO 34605A and PIONEER 771027, among others listed 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 2000 Hummer H1, from ATP, PIONEER and ROSTRA.

Listed part numbers: ATP JE10, PIONEER 772014 and ROSTRA 501000.

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

7 Rebuild Kit parts are listed for the 2000 Hummer H1, from PIONEER and ATP. PIONEER 753058 carries the "Popular" badge.

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 753058.

The Master Kit (Overhaul Kit + Friction & Steel Clutch Plates) section lists 4 options from ATP and PIONEER — grouped under the catalog's "Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)" designation — the notes column spells out what sets them apart. ATP JMS25 is listed in this group.

In the Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) grade, PIONEER 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 PIONEER 750197.

Listed part numbers: PIONEER 753058, PIONEER 753060 and ATP JMS25, plus the other parts above.

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

5 Shift Improvement Kit parts for the 2000 Hummer H1 come from 3 brands — TRANSGO, PIONEER and ATP. The "Popular" part is TRANSGO 4L80EHD2.

In the Daily Driver grade, PIONEER and TRANSGO supply 2 parts: grouped for everyday commuting duty. A representative part number is PIONEER 765023.

In the Heavy Duty grade, ATP supplies 1 part: rated for severe service. A representative part number is ATP JK2.

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 4L80EHD2, PIONEER 765023 and TRANSGO SK4L80E and the remaining parts above.

This table covers the wear sleeves used to restore a Shift Shaft seal surface. Read more

3 Shift Shaft Repair Sleeve parts are listed for the 2000 Hummer H1, from SKF and SCHAEFFLER.

Listed part numbers: SCHAEFFLER SR3451, SKF 480050 and SKF 99050.

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

3 Shift Shaft Seal parts are listed for the 2000 Hummer H1, from ACDELCO, SCHAEFFLER and SKF.

This group includes ACDELCO 8792S, SCHAEFFLER SS2114 and SKF 4912.

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

6 Shift Solenoid parts are listed for the 2000 Hummer H1, from ATP, PIONEER, ROSTRA and 1 other brand. ATP JE53 carries the "Popular" badge.

Part numbers include ATP JE53, ROSTRA 520356 and ATP CE3, among others listed 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 2000 Hummer H1 come from DURA-BOND.

Listed part numbers: 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

4 Sun Gear Bushing parts are listed for the 2000 Hummer H1, from DURA-BOND and PIONEER.

Part numbers include DURA-BOND 03131BRS, DURA-BOND 03131 and DURA-BOND 8623944, among others listed 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: 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 2000 Hummer H1 come from 2 brands — PIONEER and ROSTRA.

This group includes PIONEER 771021 and ROSTRA 520241.