1993 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

3 Camshaft Bearing parts for the 1993 Hummer H1 come from 3 brands — ENGINETECH, MAHLE / CLEVITE and SEALED POWER.

Part numbers include ENGINETECH CC420, MAHLE / CLEVITE SH1366S 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 1993 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 1993 Hummer H1 come from 5 brands — ULTRA-POWER, ENGINETECH, FEL-PRO and 2 other brands. The "Popular" part is ULTRA-POWER CS87262.

Part numbers include ULTRA-POWER CS87262 and ENGINETECH GM65CS, among others listed above.

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 1993 Hummer H1, from KING ENGINE BEARINGS, MAHLE / CLEVITE, ENGINETECH and 1 other brand. MAHLE / CLEVITE MS2091P carries the "Popular" badge.

Part numbers include MAHLE / CLEVITE MS2091P, ENGINETECH BC102J and KING ENGINE BEARINGS MB5257SI, among others listed 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 1993 Hummer H1, from TIMKEN, WJB / INMOTION PARTS, BCA and 1 other brand. TIMKEN KWK99233 carries the "Popular" badge.

Part numbers include TIMKEN KWK99233, WJB / INMOTION PARTS WS99452 and BCA NS99233, among others listed 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

10 Crankshaft Seal parts are listed for the 1993 Hummer H1, from NATIONAL, TIMKEN, BCA and 3 other brands. NATIONAL 3945 carries the "Popular" badge.

This table covers the Cylinder Head Alignment Dowel pins. Read more

2 Cylinder Head Alignment Dowel Pin parts for the 1993 Hummer H1 come from PIONEER.

Part numbers include PIONEER PG233 and PIONEER S1111.

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

6 Cylinder Head Bolt parts for the 1993 Hummer H1 come from 6 brands — ENGINETECH, FEL-PRO, MAHLE / CLEVITE and 3 other brands. The "Popular" part is ENGINETECH HB116.

Listed part numbers: ENGINETECH HB116, FEL-PRO ES72724 and MAHLE / CLEVITE GS33193, plus the other parts above.

This table covers the Cylinder Head Bolt washers. Read more

This group shows a single part: PIONEER S1018.

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

5 Cylinder Head Gasket parts for the 1993 Hummer H1 come from 3 brands — FEL-PRO, VICTOR REINZ and MAHLE / CLEVITE. The "Popular" part is FEL-PRO 8726PT.

Part numbers include FEL-PRO 8726PT, FEL-PRO 9128PT and MAHLE / CLEVITE 3678, 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 1993 Hummer H1 come from 4 brands — FEL-PRO, ENGINETECH, MAHLE / CLEVITE and 1 other brand. The "Popular" part is FEL-PRO HSU8726.

Listed part numbers: FEL-PRO HSU8726, MAHLE / CLEVITE HS3678 and ENGINETECH C379HSB, plus the other parts above.

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

This group shows a single part: ENGINETECH ESL180.

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 1993 Hummer H1, from SBI and ENGINETECH.

Listed part numbers: ENGINETECH V2679S, SBI 01780S and SBI 01482S.

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

7 Expansion Plug parts for the 1993 Hummer H1 come from 2 brands — PIONEER and ENGINETECH. The "Popular" part is ENGINETECH PK59.

Listed part numbers: ENGINETECH PK59, ENGINETECH PK59B and PIONEER EPC41, plus the other parts above.

This table covers the wear sleeves used to restore a Harmonic Balancer seal surface. Read more

2 Harmonic Balancer Repair Sleeve parts are listed for the 1993 Hummer H1, from PIONEER and VICTOR REINZ.

Part numbers include PIONEER HB4129 and VICTOR REINZ 711646400.

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

5 Intake Manifold Gasket parts for the 1993 Hummer H1 come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ. The "Popular" part is FEL-PRO MS91585.

Part numbers include FEL-PRO MS91585, FEL-PRO MS91586 and MAHLE / CLEVITE MS15306, among others listed 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

2 Intake Valve parts are listed for the 1993 Hummer H1, from ENGINETECH and SBI.

Listed part numbers: ENGINETECH V2006 and SBI 01484.

This table covers the drain plugs in the oil pan. Read more

4 Oil Drain Plug parts are listed for the 1993 Hummer H1, from DORMAN, AGS and PIONEER.

This group includes AGS ODP00016, DORMAN 090052 and DORMAN 090043 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

6 Oil Drain Plug Gasket parts for the 1993 Hummer H1 come from 5 brands — ULTRA-POWER, MAHLE / CLEVITE, VICTOR REINZ and 2 other brands. The "Popular" part is MAHLE / CLEVITE 2051.

Part numbers include MAHLE / CLEVITE 2051, VICTOR REINZ 711346200 and DORMAN 097021, among others listed above.

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

17 Oil Filter parts are listed for the 1993 Hummer H1, from BOSCH, WIX, FRAM and 11 other brands. WIX 51060XP carries the "Popular" badge.

In the Economy grade, BOSCH, CHAMP / LUBER-FINER, FVP and 4 other brands supply 7 parts: the catalog's value-priced group. A representative part number is BOSCH 72235WS.

In the High Performance / Heavy Duty grade, WIX, FRAM and MOBIL supply 3 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 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

3 Oil Pan Gasket parts are listed for the 1993 Hummer H1, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

Part numbers include FEL-PRO OS34406, MAHLE / CLEVITE OS32134 and VICTOR REINZ 101020401.

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

One part is listed for the 1993 Hummer H1 — ENGINETECH EP55I.

This table covers the pickup tubes and screens that feed the oil pump. Read more

This group shows a single part: ENGINETECH S246S.

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

This group shows a single part: MAHLE / CLEVITE 2242185.

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

One part is listed for the 1993 Hummer H1 — MAHLE / CLEVITE 2233576.

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

2 Piston Ring parts for the 1993 Hummer H1 come from 2 brands — MAHLE / CLEVITE and HASTINGS MANUFACTURING.

In the Premium grade, MAHLE / CLEVITE supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is MAHLE / CLEVITE 41549.

Standard Replacement: 1 part, from HASTINGS MANUFACTURING. A representative part number is HASTINGS MANUFACTURING 2D5655S.

This group includes MAHLE / CLEVITE 41549 and HASTINGS MANUFACTURING 2D5655S.

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

One part is listed for the 1993 Hummer H1 — SBI 1801292.