2009 Hummer H3 Ignition Parts

This table covers the sensors that report camshaft position to the ECU. 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

15 Camshaft Position Sensor parts are listed for the 2009 Hummer H3, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, AUTOTECNICA and 10 other brands. DELPHI SS11370 carries the "Popular" badge.

In the Economy grade, AUTOTECNICA, HOLSTEIN, SKP and 3 other brands supply 6 parts: the catalog's value-priced group. A representative part number is AUTOTECNICA GM1419982.

In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 23591234.

The Standard Replacement section lists 8 options from DELPHI, GM GENUINE, WALKER PRODUCTS and 5 other brands — built to original-equipment specification. DELPHI SS11370 is listed in this group.

This table covers the sensors that report crankshaft position and engine speed. 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

17 Crankshaft Position Sensor parts are listed for the 2009 Hummer H3, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, AUTOTECNICA and 12 other brands. DELPHI SS11397 carries the "Popular" badge.

Economy: 8 parts, from AUTOTECNICA, DORMAN, HOLSTEIN and 5 other brands. A representative part number is AUTOTECNICA GM1419993.

Full Service Kit: 1 part, from WALKER PRODUCTS. A representative part number is WALKER PRODUCTS 23591266.

The Standard Replacement section: 8 options from DELPHI, GM GENUINE, NTK and 5 other brands. DELPHI SS11397 is listed in this group.

This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off. Read more

41 Ignition Coil parts are listed for the 2009 Hummer H3, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, NGK and 17 other brands. SKP SKIC103 carries the "Popular" badge. Economy, Premium and Standard Replacement are all represented, and Standard Replacement alone accounts for 21 parts.

This table covers the brackets that mount the Ignition Coil Mounting. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: GM GENUINE 12580353.

This table covers the Ignition Coil wires. Read more

This group shows a single part: GM GENUINE 357A.

This table covers the lock cylinders in the ignition switch. Read more

3 Ignition Lock Cylinder parts are listed for the 2009 Hummer H3, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: GM GENUINE 89022365, STANDARD MOTOR PRODUCTS US536L and WELLS 4H1784.

This table covers the Ignition Lock Cylinder hardware. Read more

One part is listed for the 2009 Hummer H3 — GM GENUINE 89022370.

This table covers the Ignition Lock housings. Read more

This group shows a single part: GM GENUINE D1403G.

This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine. Read more

23 Spark Plug parts for the 2009 Hummer H3 come from 7 brands — NGK, ACDELCO, BOSCH and 4 other brands. The "Popular" part is ACDELCO R44LTSM.

The Copper / Nickel section lists 3 options from ACDELCO, BOSCH and CHAMPION — grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. ACDELCO R44LTSM is listed in this group.

The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 4 options from ACDELCO, BOSCH, CHAMPION and 1 other brand — grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. ACDELCO 41962 is listed in this group.

In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, DENSO, NGK, ACDELCO and 3 other brands supply 9 parts: grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is NGK 7397.

The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 6 options from ACDELCO, NGK, AUTOLITE and 3 other brands — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. ACDELCO 6 is listed in this group.

The Ruthenium (maximum durability & ignitability) section lists 1 option from NGK — grouped under the catalog's "Ruthenium (maximum durability & ignitability)" designation — the notes column spells out what sets them apart. NGK 94567 is listed in this group.

This table covers the silicone and rubber boots that insulate the coil-to-plug spark path. Typical signs include a misfire in the rain, carbon tracking on the boot, or a snap when you pop the coil off. Replace boots as a set on a high-mileage engine; one cracked boot will take the coil with it. Read more

3 Spark Plug / Ignition Coil Boot parts are listed for the 2009 Hummer H3, from STANDARD MOTOR PRODUCTS and ACDELCO.

Economy: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 20861.

The Standard Replacement section: 2 options from ACDELCO and STANDARD MOTOR PRODUCTS. ACDELCO 16079 is listed in this group.

This group includes STANDARD MOTOR PRODUCTS 20861, ACDELCO 16079 and STANDARD MOTOR PRODUCTS SPP117E.

This table covers the Spark Plug Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

One part is listed for the 2009 Hummer H3 — UNITED MOTOR PRODUCTS 910.

This table covers the Spark Plug wires. Read more

25 Spark Plug Wire parts are listed for the 2009 Hummer H3, from WALKER PRODUCTS, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 5 other brands. STANDARD MOTOR PRODUCTS 3147 carries the "Popular" badge.

Economy: 2 parts, from STANDARD MOTOR PRODUCTS and B&B. A representative part number is STANDARD MOTOR PRODUCTS 3147.

In the High Performance (Lowest Resistance) grade, WALKER PRODUCTS and STANDARD MOTOR PRODUCTS supply 9 parts: engineered beyond original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS 10026.

The Premium section lists 7 options from UNITED MOTOR PRODUCTS, DENSO, NGK and 1 other brand — a step above OE specification in materials, tolerances or warranty terms. UNITED MOTOR PRODUCTS 7828 is listed in this group.

The Standard Replacement section: 7 options from GM GENUINE, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 2 other brands. GM GENUINE 748UU is listed in this group.