1991 Buick Regal 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 for the 1991 Buick Regal come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 921LED5K.

In the Extended Life grade, SYLVANIA and WAGNER supply 2 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 194LL.

In the Extra Bright (improved visibility, but shorter life) grade, SYLVANIA supplies 1 part: grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 194ST.

The LED (instant-on, long life, energy-saving) section lists 9 options from SYLVANIA, DORMAN, WAGNER and 1 other brand — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. HELLA 921LED5K is listed in this group.

In the Standard Replacement grade, HELLA, WAGNER and SYLVANIA supply 3 parts: built to original-equipment specification. A representative part number is HELLA 194.

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

5 Back Up / Reverse Lamp Bulb parts are listed for the 1991 Buick Regal, from WAGNER, GM GENUINE, HELLA and 2 other brands. WAGNER 890 carries the "Popular" badge.

Listed part numbers: WAGNER 890 and GM GENUINE 3057LCP, plus the other parts above.

This table covers the sockets that hold a Back Up / Reverse Lamp bulb. 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

4 Back Up / Reverse Lamp Socket parts are listed for the 1991 Buick Regal, from DORMAN, GM GENUINE, ROSTRA and 1 other brand.

This group includes DORMAN 85883, GM GENUINE LS17 and ROSTRA 610452 and the remaining parts above.

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 are listed for the 1991 Buick Regal, from SYLVANIA, WAGNER, ACDELCO and 2 other brands. SYLVANIA 3057 carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 3057LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3057ST is listed in this group.

LED (instant-on, long life, energy-saving): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 3057SL.

The Standard Replacement section: 5 options from SYLVANIA, WAGNER, ACDELCO and 2 other brands. SYLVANIA 3057 is listed in this group.

This table covers the bulbs in the high-mount stop lamp. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

12 Brake Light Bulb - High Mount parts are listed for the 1991 Buick Regal, from SYLVANIA, PHILIPS, WAGNER and 2 other brands. SYLVANIA 578LL carries the "Popular" badge.

The Extended Life section: 3 options from SYLVANIA and PHILIPS. SYLVANIA 578LL is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from SYLVANIA. A representative part number is SYLVANIA 578SL.

The Standard Replacement section: 8 options from PHILIPS, SYLVANIA, WAGNER and 2 other brands. HELLA 891 is listed in this group.

This table covers the sockets that hold a Brake Light bulb. 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

10 Brake Light Socket parts are listed for the 1991 Buick Regal, from STANDARD MOTOR PRODUCTS, DORMAN, ACDELCO and 1 other brand. STANDARD MOTOR PRODUCTS HP4060 carries the "Popular" badge.

This table covers the replacement bulbs for the Cornering 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 Cornering Lamp Bulb parts are listed for the 1991 Buick Regal, from SYLVANIA, WAGNER, FAMOUS BRAND and 4 other brands. PHILIPS 3057 carries the "Popular" badge.

The Extended Life section: 3 options from FAMOUS BRAND, SYLVANIA and WAGNER. FAMOUS BRAND BLB3057LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3057ST is listed in this group.

The Standard Replacement section: 6 options from PHILIPS, WAGNER, ACDELCO and 3 other brands. PHILIPS 3057 is listed in this group.

This table covers the sockets that hold a Cornering Lamp bulb. 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

2 Cornering Lamp Socket parts are listed for the 1991 Buick Regal, from DORMAN and ROSTRA.

Listed part numbers: DORMAN 85883 and ROSTRA 610003.

This table covers the sockets that hold a Daytime Running Light bulb. 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

3 Daytime Running Light Socket parts for the 1991 Buick Regal come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.

This group includes ROSTRA 610815, STANDARD MOTOR PRODUCTS S766 and WELLS 1P1321.

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

11 Dome Light Bulb parts are listed for the 1991 Buick Regal, from SYLVANIA, WAGNER, PHILIPS and 1 other brand. DORMAN 212WSMD carries the "Popular" badge.

The Extended Life section: 4 options from SYLVANIA and WAGNER. SYLVANIA 561LL is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from DORMAN. A representative part number is DORMAN 212WSMD.

The Standard Replacement section: 6 options from PHILIPS, WAGNER and SYLVANIA. PHILIPS 561 is listed in this group.

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

6 Engine Compartment Light Bulb parts for the 1991 Buick Regal come from 3 brands — PHILIPS, SYLVANIA and WAGNER. The "Popular" part is PHILIPS 89.

Extended Life: 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 89LL.

Standard Replacement: 3 parts, from PHILIPS, WAGNER and SYLVANIA. A representative part number is PHILIPS 89.

Listed part numbers: PHILIPS 89 and PHILIPS 89LL, plus the other parts 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

27 Fog / Driving Lamp Bulb parts for the 1991 Buick Regal come from 5 brands — HELLA, WAGNER, PHILIPS and 2 other brands. The "Popular" part is HELLA H3YL. Grades run from Extended Life through Standard Replacement; Extra Bright (improved visibility, but shorter life) is the most populated section, led by HELLA, PHILIPS, WAGNER and 1 other brand.

This table covers the sockets that hold a Fog / Driving Lamp bulb. 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

2 Fog / Driving Lamp Socket parts for the 1991 Buick Regal come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

This group includes STANDARD MOTOR PRODUCTS LWH110 and WELLS 1P1143.

This table covers the bulbs in the glove-box 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

11 Glove Box Light Bulb parts for the 1991 Buick Regal come from 5 brands — SYLVANIA, HELLA, GM GENUINE and 2 other brands. The "Popular" part is SYLVANIA 194LL.

Extended Life: 1 part, from SYLVANIA. 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: 4 options from SYLVANIA. SYLVANIA 194BSL is listed in this group.

Standard Replacement: 5 parts, from HELLA, SYLVANIA, GM GENUINE and 2 other brands. A representative part number is HELLA 168.

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

31 Headlamp Bulb parts for the 1991 Buick Regal come from 5 brands — SYLVANIA, HELLA, WAGNER and 2 other brands. The "Popular" part is HELLA 9006P50. They are grouped as Blue-Coated (stylish, bright-white look), Extended Life, Extra Bright (improved visibility, but shorter life), LED (instant-on, long life, energy-saving), Reduced Glare (for rain, fog, snow, or rural driving) and Standard Replacement, with Extra Bright (improved visibility, but shorter life) the largest group at 16 parts from SYLVANIA, WAGNER, HELLA and 1 other brand.

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

28 Headlamp Socket parts for the 1991 Buick Regal come from 8 brands — DORMAN, WELLS, STANDARD MOTOR PRODUCTS and 5 other brands. The "Popular" part is ACDELCO LS254. A list this long means Headlamp Socket applications vary by configuration — the notes carry the qualifiers.

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

17 High Beam Indicator Light Bulb parts for the 1991 Buick Regal 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: 9 options from SYLVANIA, DORMAN, WAGNER and 1 other brand. HELLA 921LED5K is listed in this group.

Standard Replacement: 5 parts, from GM GENUINE, HELLA, SYLVANIA and 1 other brand. A representative part number is HELLA 194.