2006 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 2006 Hummer H1 come from 3 brands — DURA-BOND, ENGINETECH and SEALED POWER.

Part numbers include DURA-BOND GM8, ENGINETECH CC435 and SEALED POWER 1933M.

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

12 Connecting Rod Bearing parts for the 2006 Hummer H1 come from 4 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS, ENGINETECH and 1 other brand. The "Popular" part is ENGINETECH BB145J.

The High Performance section lists 4 options from MAHLE / CLEVITE — engineered beyond original-equipment specification. MAHLE / CLEVITE CB1805H is listed in this group.

In the Standard Replacement grade, MAHLE / CLEVITE, KING ENGINE BEARINGS, ENGINETECH and 1 other brand supply 8 parts: built to original-equipment specification. A representative part number is ENGINETECH BB145J.

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

6 Conversion / Lower Gasket Set parts for the 2006 Hummer H1 come from 6 brands — FEL-PRO, MAHLE / CLEVITE, ENGINE PRO and 3 other brands. The "Popular" part is FEL-PRO CS26269.

Listed part numbers: FEL-PRO CS26269, MAHLE / CLEVITE CS54580 and ENGINE PRO 3726269, plus the other parts 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

9 Crankshaft Main Bearing parts are listed for the 2006 Hummer H1, from MAHLE / CLEVITE, ENGINETECH, KING ENGINE BEARINGS and 1 other brand. ENGINETECH BC204J carries the "Popular" badge.

High Performance: 4 parts, from MAHLE / CLEVITE. A representative part number is MAHLE / CLEVITE MS2218HX.

The Standard Replacement section: 5 options from MAHLE / CLEVITE, ENGINETECH, KING ENGINE BEARINGS and 1 other brand. ENGINETECH BC204J is listed in this group.

This group includes ENGINETECH BC204J, MAHLE / CLEVITE MS2218HX and MAHLE / CLEVITE MS2218H and the remaining parts above.

This table covers the gaskets that seal the Crankshaft Main Bearing. 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

This group shows a single part: ULTRA-POWER BS40683.

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

One part is listed for the 2006 Hummer H1 — TIMKEN KWK99452.

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 2006 Hummer H1, from VICTOR REINZ, FEL-PRO, NATIONAL and 4 other brands. FEL-PRO BS40683 carries the "Popular" badge.

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

2 Cylinder Head parts are listed for the 2006 Hummer H1, from CYLINDER HEAD EXPRESS and ENGINETECH.

Listed part numbers: CYLINDER HEAD EXPRESS GM6604N and ENGINETECH EHC4022.

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

8 Cylinder Head Bolt parts for the 2006 Hummer H1 come from 6 brands — MAHLE / CLEVITE, VICTOR REINZ, ENGINETECH and 3 other brands. The "Popular" part is ENGINETECH HB226.

Part numbers include ENGINETECH HB226, FEL-PRO ES72344 and APEX AHB1178, among others listed 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

40 Cylinder Head Gasket parts for the 2006 Hummer H1 come from 7 brands — ENGINETECH, MAHLE / CLEVITE, VICTOR REINZ and 4 other brands. The "Popular" part is FEL-PRO 26405PT. A list this long means Cylinder Head Gasket applications vary by configuration — the notes carry the qualifiers.

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

8 Cylinder Head Gasket Set parts for the 2006 Hummer H1 come from 7 brands — ENGINETECH, FEL-PRO, ULTRA-POWER and 4 other brands. The "Popular" part is FEL-PRO HSU262691.

Listed part numbers: FEL-PRO HSU262691 and APEX AHS11079, plus the other parts above.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

KAT'S HEATERS supplies both parts for the 2006 Hummer H1.

Part numbers include KAT'S HEATERS 30510 and KAT'S HEATERS 13150.

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

This group shows a single part: FEL-PRO 2603200.

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 2006 Hummer H1, from ENGINETECH, MAHLE / CLEVITE and QUALCAST.

Listed part numbers: ENGINETECH V4363, MAHLE / CLEVITE 2114265 and QUALCAST 102176.

This table covers the Harmonic Balancer bolts. Read more

One part is listed for the 2006 Hummer H1 — ARP 1292503.

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 2006 Hummer H1 come from 4 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

Listed part numbers: APEX AMS11790, FEL-PRO MS97291 and MAHLE / CLEVITE MS19403, plus the other 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

6 Intake Plenum Gasket parts are listed for the 2006 Hummer H1, from FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ. FEL-PRO 72946 carries the "Popular" badge.

Part numbers include FEL-PRO 72946, MAHLE / CLEVITE G31914 and FEL-PRO 72764, 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

3 Intake Valve parts are listed for the 2006 Hummer H1, from ENGINETECH, MAHLE / CLEVITE and QUALCAST.

This group includes ENGINETECH V4364, MAHLE / CLEVITE 2114264 and QUALCAST 102175.

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 2006 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

19 Oil parts are listed for the 2006 Hummer H1, from LUCAS OIL, VALVOLINE, LIQUI MOLY 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 Full Synthetic grade, VALVOLINE supplies 2 parts: full-synthetic oils. A representative part number is VALVOLINE 774038.

In the Heavy Duty / Diesel grade, LUCAS OIL, ACDELCO and LIQUI MOLY supply 10 parts: grouped under the catalog's "Heavy Duty / Diesel" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 109214.

In the Synthetic Blend grade, VALVOLINE and LUCAS OIL supply 4 parts: synthetic-blend oils. A representative part number is VALVOLINE 818289.

This table covers the gaskets that seal the Oil Cooler. 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 Oil Cooler Gasket parts for the 2006 Hummer H1 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO ES73231 and MAHLE / CLEVITE GS34005.

This table covers the Oil Cooler Mounting kits. Read more

This group shows a single part: VICTOR REINZ 131001201.

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

4 Oil Filler Cap parts are listed for the 2006 Hummer H1, from DORMAN, GATES, MOTORAD and 1 other brand.

Listed part numbers: DORMAN 80986, GATES 31103 and MOTORAD MO99, plus the other parts above.

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 2006 Hummer H1, from BOSCH, CHAMP / LUBER-FINER, FRAM and 10 other brands. ACDELCO UPF2232R carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER, BOSCH, CHAMPION FILTER and 5 other brands supply 9 parts: the catalog's value-priced group. A representative part number is BOSCH 72245WS.

In the High Performance / Heavy Duty grade, ACDELCO, MOBIL, WIX 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 ACDELCO UPF2232R.

The Standard Replacement section: 4 options from WIX, BOSCH, HASTINGS / BALDWIN and 1 other brand. WIX 57202 is listed in this group.

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

This group shows a single part: SKP SK264473.

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

6 Oil Pan Gasket parts are listed for the 2006 Hummer H1, from VICTOR REINZ, FEL-PRO, APEX and 2 other brands. FEL-PRO OS30748 carries the "Popular" badge.

Part numbers include FEL-PRO OS30748, VICTOR REINZ 703141410 and APEX AOP1178, 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

4 Oil Pump parts are listed for the 2006 Hummer H1, from MELLING, ENGINETECH and SEALED POWER.

Listed part numbers: ENGINETECH EP316, MELLING M561 and MELLING M316, plus the other parts above.

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

2 Piston parts for the 2006 Hummer H1 come from ENGINETECH.

Part numbers include ENGINETECH P5075 and ENGINETECH K50758P.

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

5 Piston Ring parts for the 2006 Hummer H1 come from 4 brands — MAHLE / CLEVITE, ENGINETECH, SEALED POWER and 1 other brand. The "Popular" part is ENGINETECH S40568.

In the Premium grade, MAHLE / CLEVITE, ENGINETECH and SEALED POWER supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is ENGINETECH S40568.

Standard Replacement: 1 part, from HASTINGS MANUFACTURING. A representative part number is HASTINGS MANUFACTURING 2D4845S.

Part numbers include ENGINETECH S40568, MAHLE / CLEVITE S41909 and MAHLE / CLEVITE 41909, among others listed above.

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 2006 Hummer H1 — PIONEER RM415.

This table covers the Thrust washers. Read more

3 Thrust Washer parts are listed for the 2006 Hummer H1, from ENGINETECH, KING ENGINE BEARINGS and SEALED POWER.

Part numbers include ENGINETECH TW204, KING ENGINE BEARINGS TW312AM and SEALED POWER 4996F.

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 2006 Hummer H1, from MAHLE / CLEVITE, FEL-PRO, APEX and 2 other brands. FEL-PRO TCS45055 carries the "Popular" badge.

This group includes FEL-PRO TCS45055, APEX ATC11780 and MAHLE / CLEVITE JV5079 and the remaining parts 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 2006 Hummer H1 — MAHLE / CLEVITE 67775.

This table covers the Timing idlers. Typical signs include a chirp that follows engine speed, or an idler that feels rough or has play. Replace a noisy idler with the belt — the labor is already paid for. Read more

One part is listed for the 2006 Hummer H1 — FAMOUS BRAND 2008520069.

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

8 Turbocharger Gasket parts for the 2006 Hummer H1 come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ. The "Popular" part is FEL-PRO ES73047.

This group includes FEL-PRO ES73047, MAHLE / CLEVITE GS33678 and FEL-PRO 61787 and the remaining parts above.

This table covers the Turbocharger Vane position sensors. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor. Read more

3 Turbocharger Vane Position Sensor parts for the 2006 Hummer H1 come from 3 brands — DORMAN, GPD and SKP.

Listed part numbers: DORMAN 904235, GPD 1816354 and SKP SK904235.

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

15 Valve Cover Gasket parts are listed for the 2006 Hummer H1, from VICTOR REINZ, FEL-PRO, MAHLE / CLEVITE and 4 other brands. FEL-PRO VS50681 carries the "Popular" badge.

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

ENGINETECH supplies both parts for the 2006 Hummer H1.

Listed part numbers: ENGINETECH GD3049 and ENGINETECH GD3142.

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

One part is listed for the 2006 Hummer H1 — ENGINETECH L2298.

This table covers the Valve seats. Read more

3 Valve Seat parts for the 2006 Hummer H1 come from 2 brands — QUALCAST and SEALED POWER.

Listed part numbers: QUALCAST 2212641, QUALCAST 2213431 and SEALED POWER 2451343E1.

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

This group shows a single part: QUALCAST 3204041.

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

This group shows a single part: QUALCAST 345001.

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

6 Valve Stem Seal parts are listed for the 2006 Hummer H1, from FEL-PRO, MAHLE / CLEVITE, ENGINETECH and 3 other brands. FEL-PRO SS72916 carries the "Popular" badge.

This group includes FEL-PRO SS72916, MAHLE / CLEVITE SS45974 and ENGINETECH SG66V and the remaining parts above.