2009 Hummer H2 Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

16 Alternator / Generator parts are listed for the 2009 Hummer H2, from PURE ENERGY, WAI GLOBAL, ACDELCO and 6 other brands. PURE ENERGY 15732N carries the "Popular" badge.

In the New grade, PURE ENERGY, TYC, WAI GLOBAL and 5 other brands supply 8 parts: brand-new units rather than rebuilt ones. A representative part number is PURE ENERGY 15732N.

In the Remanufactured grade, DENSO, ACDELCO, BOSCH and 5 other brands supply 8 parts: factory-rebuilt units with new wear components. A representative part number is DENSO 2105381.

This table covers the Alternator / Generator stators. Read more

This group shows a single part: BOSCH 1986AE0685.

This table covers the Anti-Theft control modules. Read more

This group shows a single part: GM GENUINE 22738087.

This table covers the Automatic Headlamp sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Automatic Headlamp Sensor parts for the 2009 Hummer H2 come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include GM GENUINE 13498958 and STANDARD MOTOR PRODUCTS EFL172.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

6 Battery parts for the 2009 Hummer H2 come from 6 brands — DEKA, LUCAS, ACDELCO and 3 other brands. The "Popular" part is DEKA 9A48.

Listed part numbers: DEKA 9A48, LUCAS LBAGM004A and ACDELCO 48AGM, plus the other parts above.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

One part is listed for the 2009 Hummer H2 — GM GENUINE 19434467.

This table covers the Battery Cable Junction blocks. Read more

This group shows a single part: GM GENUINE 12191376.

This table covers the Battery Current sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

One part is listed for the 2009 Hummer H2 — GM GENUINE 13505369.

This table covers the clamps and brackets that secure the battery. Read more

One part is listed for the 2009 Hummer H2 — DORMAN 390030.

This table covers the body-control modules that run lighting, locks and wipers. Read more

GM GENUINE supplies both parts for the 2009 Hummer H2.

Part numbers include GM GENUINE 84922494 and GM GENUINE 22860591.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

This group shows a single part: GM GENUINE 19116527.

This table covers the engine-control modules that run fuel, spark and emissions. Read more

GM GENUINE supplies both parts for the 2009 Hummer H2.

Part numbers include GM GENUINE 19418223 and GM GENUINE 12625455.

This table covers the Engine Control Module (ECM Computer) bolts. Read more

This group shows a single part: DORMAN 700251.

This table covers the brackets that mount the Engine Control Module (ECM Computer). 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

One part is listed for the 2009 Hummer H2 — GM GENUINE 23213449.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

10 Fuse parts for the 2009 Hummer H2 come from 2 brands — LITTELFUSE and BUSSMANN. The "Popular" part is LITTELFUSE MIN20.

In the 10 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE LMIN10.

The 15 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN15 is listed in this group.

The 2 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "2 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM2 is listed in this group.

The 20 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN20 is listed in this group.

In the 25 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE MIN25.

In the 30 Amp grade, LITTELFUSE supplies 2 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE JCAS30.

The 40 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE JCAS40 is listed in this group.

In the 50 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE JCAS50.

The 60 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE JCAS60 is listed in this group.

This table covers the horns mounted in the front of the vehicle. Read more

2 Horn parts for the 2009 Hummer H2 come from GM GENUINE.

Listed part numbers: GM GENUINE 84594590 and GM GENUINE 84594588.

This table covers the horn contacts in the steering column. Read more

This group shows a single part: GM GENUINE 25889495.

This table covers the receivers that pick up the key-fob unlock signal. Read more

One part is listed for the 2009 Hummer H2 — GM GENUINE 20803735.

This table covers the key fobs that lock, unlock and start the vehicle. Read more

One part is listed for the 2009 Hummer H2 — GM GENUINE 22936098.

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor. Read more

11 Speed Sensor parts for the 2009 Hummer H2 come from 6 brands — STANDARD MOTOR PRODUCTS, GM GENUINE, NTK and 3 other brands. The "Popular" part is GM GENUINE 19302667.

The Economy section lists 3 options from GPD, HOLSTEIN and STANDARD MOTOR PRODUCTS — the catalog's value-priced group. GPD 1815489 is listed in this group.

In the Standard Replacement grade, GM GENUINE, NTK, WELLS and 1 other brand supply 8 parts: built to original-equipment specification. A representative part number is GM GENUINE 19302667.

This table covers the seals at the Speed Sensor. 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 2009 Hummer H2 — GM GENUINE 19133158.

This table covers the Starter bolts. Read more

One part is listed for the 2009 Hummer H2 — DORMAN 72004.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

16 Starter Motor parts are listed for the 2009 Hummer H2, from WAI GLOBAL, ACDELCO, PURE ENERGY and 6 other brands. ACDELCO 3371200 carries the "Popular" badge.

New: 6 parts, from ACDELCO, PURE ENERGY, REMY and 3 other brands. A representative part number is ACDELCO 3371200.

Remanufactured: 10 parts, from WAI GLOBAL, PURE ENERGY, ACDELCO and 6 other brands. A representative part number is PURE ENERGY 6942S.

This table covers the Starter Motor 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

This group shows a single part: GM GENUINE 12668713.