The 2001 Hummer H1 has 67 electrical bulb & socket parts with verified fitment on this page — 7 part types and 7 brands, covering the 6.5L V8 DIESEL Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2001 Hummer H1, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Most of the listed parts are Ash Tray Light Bulb (15 parts), Check Engine Light Bulb (15 parts) and Back Up / Reverse Lamp Bulb (12 parts). The other 4 part types cover the remaining 25 parts.
The 2001 Hummer H1 came with a single engine, the 6.5L V8 DIESEL Turbocharged, and every part is verified against it.
7 brands supply electrical bulb & socket parts for the 2001 Hummer H1, led by SYLVANIA (28 parts), WAGNER (18 parts) and HELLA (9 parts), plus 4 more brands. Quality grades include LED, Standard Replacement and Extended Life.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2001 Hummer H1. 14 parts have it, including HELLA 921LED5K (Ash Tray Light Bulb) and PHILIPS 1156LL (Back Up / Reverse Lamp Bulb). Each part number opens a page with every vehicle that part fits.
Ash Tray Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 194ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 921LED5K | 🇺🇸 US 🇨🇦 CA | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| DORMAN | 194WHP | 🇺🇸 US 🇨🇦 CA | Bulb Type 1942 Watt | View on Amazon |
| DORMAN | 194WSMD | 🇺🇸 US 🇨🇦 CA | Bulb Type 1941.2 Watt | View on Amazon |
| SYLVANIA | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA | 194BLED | 🇺🇸 US 🇨🇦 CA | BlueZEVO | View on Amazon |
| SYLVANIA | 194LED | 🇺🇸 US 🇨🇦 CA | ZEVOCool White | View on Amazon |
| WAGNER | T10LED | 🇺🇸 US 🇨🇦 CA | Tru View PLUS LED | View on Amazon |
| WAGNER | 194LEDW | 🇺🇸 US 🇨🇦 CA | LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 194 | 🇺🇸 US 🇨🇦 CA | Brightness: 2.0 CPIncandescent | View on Amazon |
| WAGNER Popular | 194 | 🇺🇸 US 🇨🇦 CA | Wedge Base3.780 Watt | View on Amazon |
| SYLVANIA | 194 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
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.
15 Ash Tray Light Bulb parts are listed for the 2001 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.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 1156LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| HELLA | 1156LL | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| SYLVANIA | 1156LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER | 1156LL | 🇺🇸 US 🇨🇦 CA | Long LifeSingle Contact Bayonet Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 1156ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteColor Temperature: 3200 KV | View on Amazon |
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PILOT AUTOMOTIVE | XL1156W | 🇺🇸 US 🇨🇦 CA | Backup LightEXTERIOR BULBS,STANDARD - TURN, CORNERING, BACKUP, HIGHMNT - STOP LIGHT | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 1156WSMD | 🇺🇸 US 🇨🇦 CA | Bulb Type 11563.6 Watt | View on Amazon |
| PILOT AUTOMOTIVE | LI1156R | 🇺🇸 US 🇨🇦 CA | Backup LightEXTERIOR BULBS,STANDARD - 1156 RED LED (2215) | View on Amazon |
| WAGNER | 1156WLED | 🇺🇸 US 🇨🇦 CA | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 1156 | 🇺🇸 US 🇨🇦 CA | Brightness: 32.0 CPIncandescent | View on Amazon |
| WAGNER Popular | 1156 | 🇺🇸 US 🇨🇦 CA | Single Contact Bayonet Base26.880 Watt | View on Amazon |
| SYLVANIA | 1156 | 🇺🇸 US 🇨🇦 CA | Base Type: BA15SWattage: 26.90 W | View on Amazon |
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.
12 Back Up / Reverse Lamp Bulb parts for the 2001 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.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 1157LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BAY15D | View on Amazon |
| WAGNER | 1157LL | 🇺🇸 US 🇨🇦 CA | Long LifeDouble Contact Index Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 1157ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 1157SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA | 1157RSL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA | 1157LED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| WAGNER | 1157LEDW | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 1157 | 🇺🇸 US 🇨🇦 CA | Base Type: BAY15DWattage: 26.90 W | View on Amazon |
| WAGNER Popular | 1157 | 🇺🇸 US 🇨🇦 CA | Double Contact Index Base26.880 Watt | View on Amazon |
| HELLA | 1157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | View on Amazon |
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.
10 Brake Light Bulb parts for the 2001 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.
Check Engine Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 194ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 921LED5K | 🇺🇸 US 🇨🇦 CA | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| DORMAN | 194WHP | 🇺🇸 US 🇨🇦 CA | Bulb Type 1942 Watt | View on Amazon |
| DORMAN | 194WSMD | 🇺🇸 US 🇨🇦 CA | Bulb Type 1941.2 Watt | View on Amazon |
| SYLVANIA | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA | 194BLED | 🇺🇸 US 🇨🇦 CA | BlueZEVO | View on Amazon |
| SYLVANIA | 194LED | 🇺🇸 US 🇨🇦 CA | ZEVOCool White | View on Amazon |
| WAGNER | T10LED | 🇺🇸 US 🇨🇦 CA | Tru View PLUS LED | View on Amazon |
| WAGNER | 194LEDW | 🇺🇸 US 🇨🇦 CA | LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 194 | 🇺🇸 US 🇨🇦 CA | Brightness: 2.0 CPIncandescent | View on Amazon |
| WAGNER Popular | 194 | 🇺🇸 US 🇨🇦 CA | Wedge Base3.780 Watt | View on Amazon |
| SYLVANIA | 194 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
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.
15 Check Engine Light Bulb parts are listed for the 2001 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.
Engine Compartment Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 93LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA | 93LL | 🇺🇸 US 🇨🇦 CA | Base Type: BA15SLong Life | View on Amazon |
| WAGNER | 93LL | 🇺🇸 US 🇨🇦 CA | Long LifeSingle Contact Bayonet Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 1156ALED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDAmber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 1156 | 🇺🇸 US 🇨🇦 CA | Brightness: 32.0 CPIncandescent | View on Amazon |
| HELLA | 93 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| PHILIPS | 93 | 🇺🇸 US 🇨🇦 CA | with Bulb 93 | View on Amazon |
| SYLVANIA | 93 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAGNER | 93 | 🇺🇸 US 🇨🇦 CA | Single Contact Bayonet Base13.310 Watt | View on Amazon |
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.
9 Engine Compartment Light Bulb parts are listed for the 2001 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.
Listed part numbers: PHILIPS 1156ALED and PHILIPS 93LL, plus the other parts above.
Fog / Driving Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIAA | 10703 | 🇺🇸 US 🇨🇦 CA | Night Tech Halogen | View on Amazon |
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.
One part is listed for the 2001 Hummer H1 — PIAA 10703.
Headlamp Bulb
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | H6024XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA | H6024ST | 🇺🇸 US 🇨🇦 CA | Silver StarColor Temperature: 4000 KV | View on Amazon |
| WAGNER | H6024BL | 🇺🇸 US 🇨🇦 CA | Up To 20% More Light | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular | H6024 | 🇺🇸 US 🇨🇦 CA | High Beam and Low BeamHalogen | View on Amazon |
| SYLVANIA | H6024 | 🇺🇸 US 🇨🇦 CA | Base Type: PAR56Wattage: 40.00 W | View on Amazon |
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.
5 Headlamp Bulb parts are listed for the 2001 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.
Buying Electrical Bulb & Socket Parts for a 2001 Hummer H1
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Confirm you have the 6.5L V8 DIESEL Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ash Tray Light Bulb and Check Engine Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2001 Hummer H1?
Our catalog currently lists 67 electrical bulb & socket parts for the 2001 Hummer H1 across 7 subcategories and 7 brands, covering the 6.5L V8 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2001 Hummer H1?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2001 Hummer H1 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2001 Hummer H1?
Every part on this page is matched to the 6.5L V8 DIESEL Turbocharged engine. Then repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2001 Hummer H1
Electrical Bulb & Socket Parts for Other Hummer H1 Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.