2003 Hummer H1 Electrical Bulb & Socket Parts

This table covers the replacement bulbs for the Ash Tray Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

15 Ash Tray Light Bulb parts are listed for the 2003 Hummer H1, from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 921LED5K carries the "Popular" badge.

The Extended Life section lists 2 options from SYLVANIA and WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. SYLVANIA 194LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section lists 1 option from SYLVANIA — grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. SYLVANIA 194ST is listed in this group.

In the LED (instant-on, long life, energy-saving) grade, SYLVANIA, DORMAN, WAGNER and 1 other brand supply 9 parts: grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. A representative part number is HELLA 921LED5K.

The Standard Replacement section lists 3 options from HELLA, WAGNER and SYLVANIA — built to original-equipment specification. HELLA 194 is listed in this group.

This table covers the bulbs in the reverse lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

12 Back Up / Reverse Lamp Bulb parts for the 2003 Hummer H1 come from 6 brands — SYLVANIA, WAGNER, HELLA and 3 other brands. The "Popular" part is PHILIPS 1156LL.

Extended Life: 4 parts, from PHILIPS, HELLA, SYLVANIA and 1 other brand. A representative part number is PHILIPS 1156LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 1156ST.

In the HID (intense white light) grade, PILOT AUTOMOTIVE supplies 1 part: grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. A representative part number is PILOT AUTOMOTIVE XL1156W.

The LED (instant-on, long life, energy-saving) section: 3 options from DORMAN, PILOT AUTOMOTIVE and WAGNER. DORMAN 1156WSMD is listed in this group.

Standard Replacement: 3 parts, from HELLA, WAGNER and SYLVANIA. A representative part number is HELLA 1156.

This table covers the bulbs in the stop lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

10 Brake Light Bulb parts for the 2003 Hummer H1 come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is SYLVANIA 1157.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 1157LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 1157ST.

The LED (instant-on, long life, energy-saving) section: 4 options from SYLVANIA and WAGNER. SYLVANIA 1157SL is listed in this group.

Standard Replacement: 3 parts, from SYLVANIA, WAGNER and HELLA. A representative part number is SYLVANIA 1157.

This table covers the replacement bulbs for the Check Engine Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

15 Check Engine Light Bulb parts are listed for the 2003 Hummer H1, from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 921LED5K carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 194LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 194ST is listed in this group.

LED (instant-on, long life, energy-saving): 9 parts, from SYLVANIA, DORMAN, WAGNER and 1 other brand. A representative part number is HELLA 921LED5K.

The Standard Replacement section: 3 options from HELLA, WAGNER and SYLVANIA. HELLA 194 is listed in this group.

This table covers the bulbs in the dome lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

8 Dome Light Bulb parts for the 2003 Hummer H1 come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 921LED5K.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 912LL.

The LED (instant-on, long life, energy-saving) section: 2 options from HELLA and SYLVANIA. HELLA 921LED5K is listed in this group.

Standard Replacement: 4 parts, from WAGNER, HELLA, PHILIPS and 1 other brand. A representative part number is WAGNER 912.

This group includes HELLA 921LED5K and SYLVANIA 912LL and the remaining parts above.

This table covers the replacement bulbs for the Engine Compartment Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

9 Engine Compartment Light Bulb parts are listed for the 2003 Hummer H1, from PHILIPS, SYLVANIA, WAGNER and 1 other brand. PHILIPS 1156ALED carries the "Popular" badge.

The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 93LL is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from PHILIPS. A representative part number is PHILIPS 1156ALED.

The Standard Replacement section: 5 options from HELLA, PHILIPS, SYLVANIA and 1 other brand. HELLA 1156 is listed in this group.

Part numbers include PHILIPS 1156ALED and PHILIPS 93LL, among others listed above.

This table covers the bulbs in the fog and driving lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

One part is listed for the 2003 Hummer H1 — PIAA 10703.

This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb. Read more

5 Headlamp Bulb parts are listed for the 2003 Hummer H1, from SYLVANIA and WAGNER. WAGNER H6024 carries the "Popular" badge.

The Extra Bright (improved visibility, but shorter life) section: 3 options from SYLVANIA and WAGNER. SYLVANIA H6024XV is listed in this group.

The Standard Replacement section: 2 options from WAGNER and SYLVANIA. WAGNER H6024 is listed in this group.

Part numbers include WAGNER H6024, SYLVANIA H6024XV and SYLVANIA H6024ST, among others listed above.

This table covers the sockets that hold a headlamp bulb in the housing. Typical signs include a flicker over bumps, melted plastic, or a bulb that will not stay seated. Dielectric grease on the contacts slows corrosion. Do not force a bulb into a heat-damaged socket. Read more

DORMAN supplies both parts for the 2003 Hummer H1.

Listed part numbers: DORMAN 84790 and DORMAN 645998.

This table covers the replacement bulbs for the High Beam Indicator Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

15 High Beam Indicator Light Bulb parts are listed for the 2003 Hummer H1, from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 921LED5K carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 194LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 194ST is listed in this group.

LED (instant-on, long life, energy-saving): 9 parts, from SYLVANIA, DORMAN, WAGNER and 1 other brand. A representative part number is HELLA 921LED5K.

The Standard Replacement section: 3 options from HELLA, WAGNER and SYLVANIA. HELLA 194 is listed in this group.

This table covers the replacement bulbs for the Instrument Panel Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

15 Instrument Panel Light Bulb parts for the 2003 Hummer H1 come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 921LED5K.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 194LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 194ST.

The LED (instant-on, long life, energy-saving) section: 9 options from SYLVANIA, DORMAN, WAGNER and 1 other brand. HELLA 921LED5K is listed in this group.

Standard Replacement: 3 parts, from HELLA, WAGNER and SYLVANIA. A representative part number is HELLA 194.

This table covers the bulbs in the map / reading lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

8 Map / Reading Light Bulb parts for the 2003 Hummer H1 come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 921LED5K.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 912LL.

The LED (instant-on, long life, energy-saving) section: 2 options from HELLA and SYLVANIA. HELLA 921LED5K is listed in this group.

Standard Replacement: 4 parts, from WAGNER, HELLA, PHILIPS and 1 other brand. A representative part number is WAGNER 912.

This group includes HELLA 921LED5K and SYLVANIA 912LL and the remaining parts above.

This table covers the replacement bulbs for the Parking Brake Warning Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

16 Parking Brake Warning Light Bulb parts for the 2003 Hummer H1 come from 5 brands — SYLVANIA, WAGNER, HELLA and 2 other brands. The "Popular" part is HELLA 921LED5K.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 194LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 194ST.

The LED (instant-on, long life, energy-saving) section: 10 options from SYLVANIA, DORMAN, WAGNER and 2 other brands. HELLA 921LED5K is listed in this group.

Standard Replacement: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 194.

This table covers the bulbs in the parking lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

10 Parking Lamp Bulb parts are listed for the 2003 Hummer H1, from SYLVANIA, WAGNER, PHILIPS and 1 other brand. SYLVANIA 1157 carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 1157LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 1157ST is listed in this group.

LED (instant-on, long life, energy-saving): 4 parts, from SYLVANIA, PHILIPS and WAGNER. A representative part number is PHILIPS 1157WLED.

The Standard Replacement section: 3 options from SYLVANIA, WAGNER and HELLA. SYLVANIA 1157 is listed in this group.

This table covers the replacement bulbs for the Seat Belt Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

8 Seat Belt Light Bulb parts are listed for the 2003 Hummer H1, from WAGNER, DORMAN and HELLA. HELLA 194 carries the "Popular" badge.

The Extended Life section: 1 option from WAGNER. WAGNER 194LL is listed in this group.

LED (instant-on, long life, energy-saving): 5 parts, from DORMAN, WAGNER and HELLA. A representative part number is DORMAN 194WHP.

The Standard Replacement section: 2 options from HELLA and WAGNER. HELLA 194 is listed in this group.

Listed part numbers: HELLA 194, WAGNER 194LL and DORMAN 194WHP, plus the other parts above.

This table covers the replacement bulbs for the Shift Indicator Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

15 Shift Indicator Light Bulb parts for the 2003 Hummer H1 come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 921LED5K.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 194LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 194ST.

The LED (instant-on, long life, energy-saving) section: 9 options from SYLVANIA, DORMAN, WAGNER and 1 other brand. HELLA 921LED5K is listed in this group.

Standard Replacement: 3 parts, from HELLA, WAGNER and SYLVANIA. A representative part number is HELLA 194.

This table covers the bulbs in the side-marker lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

17 Side Marker Light Bulb parts for the 2003 Hummer H1 come from 5 brands — PHILIPS, SYLVANIA, WAGNER and 2 other brands. The "Popular" part is PHILIPS 67LL.

Extended Life: 6 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 67LL.

The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 1156ALED is listed in this group.

Standard Replacement: 10 parts, from HELLA, PHILIPS, WAGNER and 2 other brands. A representative part number is HELLA 1156.

This table covers the bulbs in the step and courtesy lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

8 Step / Courtesy Light Bulb parts for the 2003 Hummer H1 come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 921LED5K.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 912LL.

The LED (instant-on, long life, energy-saving) section: 2 options from HELLA and SYLVANIA. HELLA 921LED5K is listed in this group.

Standard Replacement: 4 parts, from WAGNER, HELLA, PHILIPS and 1 other brand. A representative part number is WAGNER 912.

This group includes HELLA 921LED5K and SYLVANIA 912LL and the remaining parts above.

This table covers the bulbs in the tail lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

11 Tail Lamp Bulb parts are listed for the 2003 Hummer H1, from WAGNER, SYLVANIA, DORMAN and 2 other brands. WAGNER 1157LL carries the "Popular" badge.

The Extended Life section: 2 options from WAGNER and SYLVANIA. WAGNER 1157LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 1157ST is listed in this group.

LED (instant-on, long life, energy-saving): 5 parts, from DORMAN, PILOT AUTOMOTIVE and WAGNER. A representative part number is DORMAN 1157SMD.

The Standard Replacement section: 3 options from SYLVANIA, WAGNER and HELLA. SYLVANIA 1157 is listed in this group.

This table covers the bulbs in the trunk or cargo-area lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

8 Trunk / Cargo Area Light Bulb parts are listed for the 2003 Hummer H1, from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 921LED5K carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 912LL is listed in this group.

LED (instant-on, long life, energy-saving): 2 parts, from HELLA and SYLVANIA. A representative part number is HELLA 921LED5K.

The Standard Replacement section: 4 options from WAGNER, HELLA, PHILIPS and 1 other brand. WAGNER 912 is listed in this group.

Listed part numbers: HELLA 921LED5K and SYLVANIA 912LL, plus the other parts above.

This table covers the replacement bulbs for the Turn Signal Indicator Lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

10 Turn Signal Indicator Lamp Bulb parts are listed for the 2003 Hummer H1, from SYLVANIA, WAGNER and HELLA. HELLA 194 carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 194LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 194ST is listed in this group.

LED (instant-on, long life, energy-saving): 4 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is HELLA 921LED5K.

The Standard Replacement section: 3 options from HELLA, WAGNER and SYLVANIA. HELLA 194 is listed in this group.