2005 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

13 Alternator / Generator parts are listed for the 2005 Hummer H2, from REMY, FVP, TERREPOWER and 6 other brands. REMY 91653 carries the "Popular" badge.

In the New grade, REMY, TYC, FVP and 4 other brands supply 7 parts: brand-new units rather than rebuilt ones. A representative part number is REMY 91653.

In the Remanufactured grade, GM GENUINE, FVP, PURE ENERGY and 3 other brands supply 6 parts: factory-rebuilt units with new wear components. A representative part number is GM GENUINE 3212128.

This table covers the Alternator / Generator stators. Read more

This group shows a single part: BOSCH 1986AE0694.

This table covers the Alternator rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness. Read more

One part is listed for the 2005 Hummer H2 — BOSCH 1986AE0669.

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 2005 Hummer H2 come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

This group includes GM GENUINE 13498958 and STANDARD MOTOR PRODUCTS EFL172.

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

5 Battery Cable parts are listed for the 2005 Hummer H2, from STANDARD MOTOR PRODUCTS, ACDELCO and GM GENUINE. ACDELCO 2SD79CX carries the "Popular" badge.

This group includes ACDELCO 2SD79CX, GM GENUINE 6EG21 and STANDARD MOTOR PRODUCTS A118L and the remaining parts above.

This table covers the Battery Cable Junction blocks. Read more

This group shows a single part: GM GENUINE 12191376.

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

One part is listed for the 2005 Hummer H2 — DORMAN 390030.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

This group shows a single part: DEKA 00351.

This table covers the covers that protect battery terminals. Read more

3 Battery Terminal Protector parts for the 2005 Hummer H2 come from 2 brands — GM GENUINE and DORMAN.

This group includes DORMAN 60300, GM GENUINE 12010050 and GM GENUINE 19119011.

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

One part is listed for the 2005 Hummer H2 — ACDELCO 21813182.

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

This group shows a single part: DORMAN 700251.

This table covers the flasher units that blink the turn signals and hazards. Read more

5 Flasher parts for the 2005 Hummer H2 come from 5 brands — TRIDON / NOVITA, GM GENUINE, HOLSTEIN and 2 other brands. The "Popular" part is TRIDON / NOVITA LM487.

This group includes TRIDON / NOVITA LM487, GM GENUINE 10383321 and HOLSTEIN 2RSW0003 and the remaining parts above.

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

29 Fuse parts for the 2005 Hummer H2 come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is BUSSMANN ATM10. Grades run from 10 Amp through 60 Amp; 30 Amp is the most populated section, led by BUSSMANN and LITTELFUSE.

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

2 Horn parts for the 2005 Hummer H2 come from GM GENUINE.

Part numbers include 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: DORMAN 924088.

This table covers the capacitors that suppress radio noise. Read more

This group shows a single part: GM GENUINE 25073556.

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

10 Speed Sensor parts for the 2005 Hummer H2 come from 9 brands — STANDARD MOTOR PRODUCTS, AUTOTECNICA, GPD and 6 other brands. The "Popular" part is GM GENUINE 19302667.

The Economy section lists 4 options from AUTOTECNICA, GPD, SKP and 1 other brand — the catalog's value-priced group. AUTOTECNICA GM1320218 is listed in this group.

In the Standard Replacement grade, GM GENUINE, WELLS, DELPHI and 3 other brands supply 6 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 2005 Hummer H2 — GM GENUINE 19133158.

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

15 Starter Motor parts are listed for the 2005 Hummer H2, from PURE ENERGY, WAI GLOBAL, ACDELCO and 6 other brands. PURE ENERGY 6492SN carries the "Popular" badge.

New: 8 parts, from PURE ENERGY, WAI GLOBAL, ACDELCO and 5 other brands. A representative part number is PURE ENERGY 6492SN.

Remanufactured: 7 parts, from GM GENUINE, ACDELCO, FVP and 4 other brands. A representative part number is GM GENUINE 3231622.

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.