2009 Hummer H2 Engine Parts

This table covers the Barometric pressure sensors. Typical signs include a check-engine light for MAP or fuel-rail pressure, or a limp mode under load. A vacuum leak or a clogged reference line will fake a bad pressure sensor. Read more

This group shows a single part: GM GENUINE 12711681.

This table covers the camshafts that open the valves. Read more

72 Camshaft parts for the 2009 Hummer H2 come from 2 brands — MELLING and GM GENUINE. The "Popular" part is MELLING 22309. They are grouped as High Performance and Standard Replacement, with High Performance the largest group at 71 parts from MELLING.

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

14 Camshaft Bearing parts for the 2009 Hummer H2 come from 6 brands — DURA-BOND, GM GENUINE, KING ENGINE BEARINGS and 3 other brands. The "Popular" part is DURA-BOND CH25.

This table covers the Camshaft bolts. Read more

One part is listed for the 2009 Hummer H2 — ELRING 857390.

This table covers the Camshaft Dowel pins. Read more

This group shows a single part: GM GENUINE 24575061.

This table covers the Camshaft Retainer / Thrust 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

6 Camshaft Retainer / Thrust Plate parts are listed for the 2009 Hummer H2, from APEX, ELRING, FEL-PRO and 1 other brand. FEL-PRO ES73115 carries the "Popular" badge.

This group includes FEL-PRO ES73115, GM GENUINE 12589016 and APEX AES319 and the remaining parts above.

This table covers the seals at each camshaft end. 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 Camshaft Seal parts are listed for the 2009 Hummer H2, from MAHLE / CLEVITE and VICTOR REINZ.

This group includes MAHLE / CLEVITE B32270 and VICTOR REINZ 711836900.

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

This group shows a single part: GM GENUINE 12649190.

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

34 Connecting Rod Bearing parts for the 2009 Hummer H2 come from 6 brands — MAHLE / CLEVITE, ENGINE PRO, KING ENGINE BEARINGS and 3 other brands. The "Popular" part is MAHLE / CLEVITE CB663A. They are grouped as High Performance and Standard Replacement, with High Performance the largest group at 20 parts from MAHLE / CLEVITE, ENGINE PRO and KING ENGINE BEARINGS.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2009 Hummer H2 — GM GENUINE 11570662.

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

9 Conversion / Lower Gasket Set parts for the 2009 Hummer H2 come from 7 brands — FEL-PRO, APEX, ULTRA-POWER and 4 other brands. The "Popular" part is FEL-PRO CS9284.

Listed part numbers: FEL-PRO CS9284 and APEX ACS3072, plus the other parts above.

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

This group shows a single part: GM GENUINE 19431873.

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

23 Crankshaft Main Bearing parts are listed for the 2009 Hummer H2, from MAHLE / CLEVITE, KING ENGINE BEARINGS, ENGINE PRO and 3 other brands. KING ENGINE BEARINGS MB5013XP carries the "Popular" badge.

In the High Performance grade, MAHLE / CLEVITE and KING ENGINE BEARINGS supply 9 parts: engineered beyond original-equipment specification. A representative part number is KING ENGINE BEARINGS MB5013XP.

The Standard Replacement section lists 7 options from MAHLE / CLEVITE, GM GENUINE, SEALED POWER and 1 other brand — built to original-equipment specification. MAHLE / CLEVITE MS2199A is listed in this group.

7 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the Crankshaft Main Bearing Cap bolts. Read more

2 Crankshaft Main Bearing Cap Bolt parts for the 2009 Hummer H2 come from GM GENUINE.

Listed part numbers: GM GENUINE 12556127 and GM GENUINE 12560272.

This table covers the wear sleeves used to restore a Crankshaft Main Bearing seal surface. Read more

This group shows a single part: VICTOR REINZ 711348000.

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

6 Crankshaft Repair Sleeve parts are listed for the 2009 Hummer H2, from FEL-PRO, NATIONAL, WJB / INMOTION PARTS and 2 other brands. NATIONAL 99210 carries the "Popular" badge.

Listed part numbers: NATIONAL 99210, WJB / INMOTION PARTS WS99210 and FEL-PRO 16229, plus the other parts above.

This table covers the Crankshaft Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes. Read more

One part is listed for the 2009 Hummer H2 — FEL-PRO 16329.

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

25 Crankshaft Seal parts are listed for the 2009 Hummer H2, from APEX, GM GENUINE, TIMKEN and 11 other brands. APEX ABS372 carries the "Popular" badge.

This table covers the Crankshaft Seal covers. Read more

3 Crankshaft Seal Cover parts for the 2009 Hummer H2 come from 3 brands — DORMAN, GM GENUINE and SKP.

Listed part numbers: DORMAN 635518, GM GENUINE 12639250 and SKP SK635518.

This table covers the Crankshaft Seal Cover tools. This is a service tool, not a wear part — match the application in the notes. Read more

This group shows a single part: DORMAN 635000.

This table covers the gaskets that seal the Crankshaft Seal. 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 Crankshaft Seal Gasket parts for the 2009 Hummer H2 come from 2 brands — ELRING and GM GENUINE.

Part numbers include ELRING 782350, ELRING 104560 and GM GENUINE 12639249.

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

2 Cylinder Head parts are listed for the 2009 Hummer H2, from ENGINE PRO and GM GENUINE.

Part numbers include ENGINE PRO 911567 and GM GENUINE 12711770.

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

3 Cylinder Head Alignment Dowel Pin parts for the 2009 Hummer H2 come from 2 brands — PIONEER and GM GENUINE.

Part numbers include GM GENUINE 12570326, PIONEER S1115 and PIONEER PG525.

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

7 Cylinder Head Bolt parts for the 2009 Hummer H2 come from 6 brands — GM GENUINE, APEX, FEL-PRO and 3 other brands. The "Popular" part is APEX AHB390.

Listed part numbers: APEX AHB390, FEL-PRO ES72390 and GM GENUINE 19258707, plus the other parts above.