2002 Hummer H1 Engine Parts

This table covers the Camshaft 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 Camshaft Bearing parts for the 2002 Hummer H1 come from 2 brands — ENGINETECH and SEALED POWER.

Listed part numbers: ENGINETECH CC420 and SEALED POWER 1496M.

This table covers the connecting rods between each piston and the crankshaft. Read more

This group shows a single part: ENGINETECH ECR307.

This table covers the bearings in the connecting-rod big ends. 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

6 Connecting Rod Bearing parts for the 2002 Hummer H1 come from 4 brands — MAHLE / CLEVITE, SEALED POWER, ENGINETECH and 1 other brand. The "Popular" part is ENGINETECH BB100J.

This group includes ENGINETECH BB100J, MAHLE / CLEVITE CB1286P and KING ENGINE BEARINGS CR873CP and the remaining parts above.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

5 Conversion / Lower Gasket Set parts for the 2002 Hummer H1 come from 5 brands — APEX, ENGINETECH, FEL-PRO and 2 other brands. The "Popular" part is APEX ACS3091.

This group includes APEX ACS3091, ENGINETECH GM65CS and FEL-PRO CS87262 and the remaining parts above.

This table covers the crankshafts that turn piston motion into rotation. Read more

This group shows a single part: ENGINETECH 128400.

This table covers the main bearings that support the crankshaft in the block. 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

5 Crankshaft Main Bearing parts are listed for the 2002 Hummer H1, from KING ENGINE BEARINGS, MAHLE / CLEVITE, ENGINETECH and 1 other brand. MAHLE / CLEVITE MS2091P carries the "Popular" badge.

This group includes MAHLE / CLEVITE MS2091P, ENGINETECH BC102J and KING ENGINE BEARINGS MB5257SI and the remaining parts above.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

7 Crankshaft Repair Sleeve parts are listed for the 2002 Hummer H1, from TIMKEN, WJB / INMOTION PARTS, BCA and 1 other brand. TIMKEN KWK99233 carries the "Popular" badge.

This group includes TIMKEN KWK99233, WJB / INMOTION PARTS WS99452 and BCA NS99233 and the remaining parts above.

This table covers the front and rear seals that keep oil in at the crankshaft. 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

12 Crankshaft Seal parts are listed for the 2002 Hummer H1, from NATIONAL, TIMKEN, BCA and 5 other brands. FEL-PRO BS40604 carries the "Popular" badge.

This table covers the cylinder heads that close the top of the block. Read more

3 Cylinder Head parts are listed for the 2002 Hummer H1, from ENGINETECH and CYLINDER HEAD EXPRESS.

Listed part numbers: CYLINDER HEAD EXPRESS GM6502N, ENGINETECH EHC3951 and ENGINETECH EHC395.

This table covers the bolts that clamp the cylinder head to the block. Read more

6 Cylinder Head Bolt parts for the 2002 Hummer H1 come from 6 brands — ENGINETECH, FEL-PRO, APEX and 3 other brands. The "Popular" part is ENGINETECH HB116.

This group includes ENGINETECH HB116, FEL-PRO ES72724 and APEX AHB391 and the remaining parts above.

This table covers the head gaskets that seal the block to the cylinder head. 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

8 Cylinder Head Gasket parts for the 2002 Hummer H1 come from 4 brands — FEL-PRO, APEX, MAHLE / CLEVITE and 1 other brand. The "Popular" part is FEL-PRO 9701PT.

Part numbers include FEL-PRO 9701PT, FEL-PRO 9521PT and APEX AHG391, among others listed above.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

6 Cylinder Head Gasket Set parts for the 2002 Hummer H1 come from 5 brands — ENGINETECH, APEX, FEL-PRO and 2 other brands. The "Popular" part is APEX AHS3091.

Listed part numbers: APEX AHS3091, FEL-PRO HSU8726 and ENGINETECH GM65HSA, plus the other parts above.

This table covers the Cylinder Head Spacer shims. Read more

This group shows a single part: SBI 2302104.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

4 Engine Kit Gasket Set parts for the 2002 Hummer H1 come from 3 brands — FEL-PRO, APEX and ENGINETECH.

This group includes APEX AFS3091, ENGINETECH GM65K1 and FEL-PRO 2601772 and the remaining parts above.

This table covers the exhaust valves that let combustion gas out of the cylinder. 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

3 Exhaust Valve parts are listed for the 2002 Hummer H1, from ENGINETECH, QUALCAST and SBI.

This group includes ENGINETECH V2679S, QUALCAST 101780S and SBI 01780S.

This table covers the Expansion 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

3 Expansion Plug parts for the 2002 Hummer H1 come from 2 brands — ENGINETECH and QUALCAST.

Listed part numbers: ENGINETECH PK59, ENGINETECH PK59B and QUALCAST 9798B.

This table covers the gaskets between the intake manifold and the cylinder head. 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 Intake Manifold Gasket parts for the 2002 Hummer H1 come from 4 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

This group includes APEX AMS3910, FEL-PRO MS91585 and MAHLE / CLEVITE MS15335A and the remaining parts above.

This table covers the gaskets that seal the Intake Plenum. 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 Intake Plenum Gasket parts are listed for the 2002 Hummer H1, from FEL-PRO, APEX, MAHLE / CLEVITE and 2 other brands. FEL-PRO MS901761 carries the "Popular" badge.

Listed part numbers: FEL-PRO MS901761, APEX AMS3912 and MAHLE / CLEVITE MS16316, plus the other parts above.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. 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

4 Intake Valve parts are listed for the 2002 Hummer H1, from ENGINETECH, QUALCAST, SBI and 1 other brand.

Listed part numbers: ENGINETECH V2006, QUALCAST 101484 and SBI 01484, plus the other parts above.

This table covers the mounts that hold the engine 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

2 Motor Mount parts are listed for the 2002 Hummer H1, from DEA / MARMON RIDE CONTROL and WESTAR.

This group includes DEA / MARMON RIDE CONTROL A5447 and WESTAR EM4001.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

9 Oil parts are listed for the 2002 Hummer H1, from VALVOLINE, LIQUI MOLY, LUCAS OIL and 1 other brand. VALVOLINE 773780 carries the "Popular" badge.

In the Conventional grade, LIQUI MOLY and VALVOLINE supply 3 parts: grouped under the catalog's "Conventional" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE 773780.

In the Heavy Duty / Diesel grade, LIQUI MOLY and LUCAS OIL supply 2 parts: grouped under the catalog's "Heavy Duty / Diesel" designation — the notes column spells out what sets them apart. A representative part number is LIQUI MOLY 2044.

In the Racing grade, IDEMITSU supplies 1 part: grouped under the catalog's "Racing" designation — the notes column spells out what sets them apart. A representative part number is IDEMITSU 30018100750.

In the Synthetic Blend grade, VALVOLINE supplies 3 parts: synthetic-blend oils. A representative part number is VALVOLINE 818289.

This group includes VALVOLINE 773780, LIQUI MOLY 22038 and LIQUI MOLY 20383 and the remaining parts above.

This table covers the crush washers and gaskets under the oil drain plug. 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 Oil Drain Plug Gasket parts for the 2002 Hummer H1 come from 4 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

Part numbers include APEX ADP1902, FEL-PRO 70822 and MAHLE / CLEVITE B45828, among others listed above.

This table covers the caps on the oil filler neck. Read more

3 Oil Filler Cap parts are listed for the 2002 Hummer H1, from GATES, MOTORAD and SKP.

This group includes GATES 31103, MOTORAD MO99 and SKP SKMO99.

This table covers the Oil Filler Tube grommets. Read more

This group shows a single part: DORMAN 42305.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

19 Oil Filter parts are listed for the 2002 Hummer H1, from BOSCH, PUROLATOR, WIX and 11 other brands. WIX 51060XP carries the "Popular" badge.

In the Economy grade, PUROLATOR, BOSCH, CHAMP / LUBER-FINER and 4 other brands supply 8 parts: the catalog's value-priced group. A representative part number is BOSCH 72235WS.

In the High Performance / Heavy Duty grade, WIX, BOSCH, FRAM and 1 other brand supply 4 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is WIX 51060XP.

The Standard Replacement section lists 7 options from ACDELCO, FRAM, WIX and 4 other brands — built to original-equipment specification. ACDELCO PF1218 is listed in this group.

This table covers the Oil Filter Adapter Gasket 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: FEL-PRO ES73229.

This table covers the oil pans that hold the engine's oil sump. Read more

3 Oil Pan parts for the 2002 Hummer H1 come from 3 brands — DORMAN, SKP and ULTRA-POWER.

Part numbers include DORMAN 264163 and SKP SK264163, among others listed above.

This table covers the gaskets between the oil pan and the block. 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 Oil Pan Gasket parts are listed for the 2002 Hummer H1, from VICTOR REINZ, APEX, FEL-PRO and 1 other brand. VICTOR REINZ 703141410 carries the "Popular" badge.

Part numbers include VICTOR REINZ 703141410, APEX AOP391 and FEL-PRO OS34406, among others listed above.

This table covers the Oil 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 Oil Pump parts are listed for the 2002 Hummer H1, from MELLING and SEALED POWER.

In the High Volume / Pressure grade, MELLING supplies 1 part: grouped under the catalog's "High Volume / Pressure" designation — the notes column spells out what sets them apart. A representative part number is MELLING M255HV294S.

The Standard Replacement section: 2 options from MELLING and SEALED POWER. MELLING M255294S is listed in this group.

This group includes MELLING M255HV294S, MELLING M255294S and SEALED POWER 22443621.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

6 Piston parts for the 2002 Hummer H1 come from 3 brands — MAHLE / CLEVITE, ENGINETECH and SEALED POWER. The "Popular" part is ENGINETECH P3054.

In the Premium grade, MAHLE / CLEVITE supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is MAHLE / CLEVITE 2242897.

Standard Replacement: 4 parts, from MAHLE / CLEVITE, ENGINETECH and SEALED POWER. A representative part number is ENGINETECH P3054.

Part numbers include ENGINETECH P3054, MAHLE / CLEVITE 2242897 and MAHLE / CLEVITE 2242897WR, among others listed above.

This table covers the Piston Pin 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 Piston Pin Bushing parts are listed for the 2002 Hummer H1, from ENGINETECH and SEALED POWER.

Part numbers include ENGINETECH EB0038 and SEALED POWER 3864Y.

This table covers the rings that seal each piston to the cylinder wall. Read more

6 Piston Ring parts for the 2002 Hummer H1 come from 4 brands — MAHLE / CLEVITE, HASTINGS MANUFACTURING, ENGINETECH and 1 other brand. The "Popular" part is ENGINETECH S40518.

Premium: 4 parts, from MAHLE / CLEVITE, ENGINETECH and SEALED POWER. A representative part number is ENGINETECH S40518.

Standard Replacement: 2 parts, from HASTINGS MANUFACTURING. A representative part number is HASTINGS MANUFACTURING 2D4744.

This group includes ENGINETECH S40518, MAHLE / CLEVITE S41718 and MAHLE / CLEVITE 41718 and the remaining parts above.

This table covers the pushrods that transfer lifter motion to the rocker arms. Read more

This group shows a single part: SBI 1901500.

This table covers the Re-Ring kits. Read more

3 Re-Ring Kit parts are listed for the 2002 Hummer H1, from SEALED POWER and ENGINETECH.

This group includes ENGINETECH RMC395P, SEALED POWER 2056866 and SEALED POWER 2056934M.

This table covers the rocker arms that transfer cam motion to the valves. Read more

One part is listed for the 2002 Hummer H1 — SBI 1801292.

This table covers the Rocker Arm Oil 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 2002 Hummer H1 — PIONEER RM415.

This table covers the Rocker Arm retainers. Read more

One part is listed for the 2002 Hummer H1 — MELLING MRM1948.

This table covers the timing chains that keep the cams in time with the crank. Read more

This group shows a single part: MELLING 181.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

2 Timing Chain & Component Kit parts are listed for the 2002 Hummer H1, from ENGINETECH and MELLING.

Listed part numbers: ENGINETECH TS181A and MELLING 3181SA.

This table covers the gaskets that seal the Timing Cover. 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

6 Timing Cover Gasket parts are listed for the 2002 Hummer H1, from MAHLE / CLEVITE, FEL-PRO, APEX and 1 other brand. FEL-PRO TCS45554 carries the "Popular" badge.

Part numbers include FEL-PRO TCS45554, MAHLE / CLEVITE JV1134 and APEX ATC3910, among others listed above.

This table covers the seals at the Timing Cover. 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 2002 Hummer H1 — MAHLE / CLEVITE 46467.

This table covers the Timing gears. Read more

This group shows a single part: MELLING 2823.

This table covers the turbochargers that compress intake air. Read more

One part is listed for the 2002 Hummer H1 — ROTOMASTER J1650107N.

This table covers the Turbocharger cartridges. Read more

This group shows a single part: ROTOMASTER J1650203N.

This table covers the gaskets that seal the Turbocharger. 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

10 Turbocharger Gasket parts for the 2002 Hummer H1 come from 4 brands — FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 1 other brand. The "Popular" part is FEL-PRO 61717.

This table covers the Turbocharger service kits. Read more

This group shows a single part: ROTOMASTER J1060307N.

This table covers the Valve covers. Read more

3 Valve Cover parts for the 2002 Hummer H1 come from 3 brands — AUTOTECNICA, DORMAN and SKP.

Listed part numbers: AUTOTECNICA GM1419527, DORMAN 264986 and SKP SK264986.

This table covers the gaskets that seal the valve cover to the cylinder head. 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 Valve Cover Gasket parts are listed for the 2002 Hummer H1, from FEL-PRO, APEX, MAHLE / CLEVITE and 2 other brands. FEL-PRO VS50228C carries the "Popular" badge.

This group includes FEL-PRO VS50228C, APEX AVC391 and MAHLE / CLEVITE VS38327 and the remaining parts above.

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering. Read more

4 Valve Guide parts are listed for the 2002 Hummer H1, from SBI, ENGINETECH and QUALCAST.

This group includes ENGINETECH GD9716, QUALCAST 309715 and SBI 1409715 and the remaining parts above.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

4 Valve Lifter parts are listed for the 2002 Hummer H1, from ENGINETECH, MELLING, QUALCAST and 1 other brand.

Listed part numbers: ENGINETECH L2104, MELLING JB2104 and QUALCAST 362104, plus the other parts above.

This table covers the rotators that turn each valve as it operates. Read more

This group shows a single part: QUALCAST 374003.

This table covers the Valve seats. Read more

7 Valve Seat parts for the 2002 Hummer H1 come from 4 brands — ENGINETECH, QUALCAST, SBI and 1 other brand. The "Popular" part is ENGINETECH ST193723.

Listed part numbers: ENGINETECH ST193723, ENGINETECH ST156236N and DURA-BOND 70840, plus the other parts above.

This table covers the springs that close each intake and exhaust valve. 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 Valve Spring parts for the 2002 Hummer H1 come from 2 brands — QUALCAST and SBI.

Listed part numbers: QUALCAST 321220D and SBI 1601233.

This table covers the Valve Spring retainers. Read more

2 Valve Spring Retainer parts for the 2002 Hummer H1 come from SBI.

Part numbers include SBI 1611012 and SBI RC157.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

2 Valve Spring Retainer Keeper parts for the 2002 Hummer H1 come from 2 brands — QUALCAST and SBI.

Part numbers include QUALCAST 34555 and SBI 1211003.

This table covers the seals on each valve stem that control oil into the guides. 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

13 Valve Stem Seal parts are listed for the 2002 Hummer H1, from QUALCAST, FEL-PRO, SBI and 4 other brands. ENGINETECH SG65V carries the "Popular" badge.