1971 MG MGB Electrical Bulb & Socket Parts

Engine:
1.8L L4

This page lists 94 electrical bulb & socket parts for the 1971 MG MGB, across 12 part types, covering the 1.8L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.

On the 1971 MG MGB, 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 Instrument Panel Light Bulb (13 parts), Tail Lamp Bulb (12 parts) and Brake Light Bulb (11 parts). The other 9 part types cover the remaining 58 parts.

Back Up / Reverse Lamp Bulb

Brand Part Number Markets Notes Buy
HELLA 6418
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: SV8.5-8
Fitment notes — HELLA 6418
IncandescentSocket Type Bulb: SV8.5-8
C5W
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.

Brake Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
WAGNER Popular 1157LL
🇺🇸 US 🇨🇦 CA
Long LifeDouble Contact Index Base
Fitment notes — WAGNER 1157LL
Long LifeDouble Contact Index Base26.880 WattSecondary Wattage: 8.260 Watt
View on
Amazon
SYLVANIA 1157LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: BAY15D
Fitment notes — SYLVANIA 1157LL
Long LifeBase Type: BAY15DWattage: 26.90 W
View on
Amazon

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA 1157ST
🇺🇸 US 🇨🇦 CA
Silver StarCool White
Fitment notes — SYLVANIA 1157ST
Silver StarCool WhiteColor Temperature: 3200 KVBase Type: BAY15DWattage: 26.90 W
View on
Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
PHILIPS 1157RLED
🇺🇸 US 🇨🇦 CA
Ultinon LEDRed
View on
Amazon
SYLVANIA 1157SL
🇺🇸 US 🇨🇦 CA
LED
View on
Amazon
SYLVANIA 1157RSL
🇺🇸 US 🇨🇦 CA
LED
View on
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SYLVANIA 1157LED
🇺🇸 US 🇨🇦 CA
ZEVO
View on
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WAGNER 1157LEDW
🇺🇸 US 🇨🇦 CA
LED
Fitment notes — WAGNER 1157LEDW
LED
LED BULB
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
Fitment notes — WAGNER 1157
Double Contact Index Base26.880 WattSecondary Wattage: 8.260 Watt
View on
Amazon
HELLA 1157
🇺🇸 US 🇨🇦 CA
Incandescent27/8W
Fitment notes — HELLA 1157
Incandescent27/8WSocket Type Bulb: BAY15D or BA9S
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.

Dome Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA DE3423LL
🇺🇸 US 🇨🇦 CA
Base Type: SVLong Life
Fitment notes — SYLVANIA DE3423LL
Base Type: SVLong LifeWattage: 5.10 W
View on
Amazon
SYLVANIA 6418LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: Festoon
Fitment notes — SYLVANIA 6418LL
Long LifeBase Type: FestoonWattage: 5.00 W
View on
Amazon
WAGNER 11005LL
🇺🇸 US 🇨🇦 CA
Long LifeSV8.5 Base
Fitment notes — WAGNER 11005LL
Long LifeSV8.5 Base5.070 Watt
View on
Amazon

HID (intense white light)

Brand Part Number Markets Notes Buy
PHILIPS DE3423LL
🇺🇸 US 🇨🇦 CA
Longer Life
Fitment notes — PHILIPS DE3423LL
Longer Life
with Bulb DE3423
View on
Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
SYLVANIA Popular 6418SL
🇺🇸 US 🇨🇦 CA
LEDCool White
Fitment notes — SYLVANIA 6418SL
LEDCool WhiteBase Type: C5WWattage: 0.50 W
View on
Amazon
SYLVANIA 6418LED
🇺🇸 US 🇨🇦 CA
ZEVOCool White
Fitment notes — SYLVANIA 6418LED
ZEVOCool WhiteBase Type: C5WWattage: 1.00 W
View on
Amazon
WAGNER 6418WLED
🇺🇸 US 🇨🇦 CA
LED1.16 Watt
Fitment notes — WAGNER 6418WLED
LED1.16 WattWhiteLED
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular 6418
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: SV8.5-8
Fitment notes — HELLA 6418
IncandescentSocket Type Bulb: SV8.5-8
C5W
View on
Amazon
WAGNER Popular 11005
🇺🇸 US 🇨🇦 CA
Bulb Type: T-4 Bulb 1/2 (13mm) DiameterSV8.5 Base
Fitment notes — WAGNER 11005
Bulb Type: T-4 Bulb 1/2 (13mm) DiameterSV8.5 Base5.070 Watt
View on
Amazon
SYLVANIA 6418
🇺🇸 US 🇨🇦 CA
Base Type: SVWattage: 5.00 W
View on
Amazon
WAGNER 17136
🇺🇸 US 🇨🇦 CA
Medium Standard Miniature Lamp
View on
Amazon

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.

Headlamp Bulb

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA H6024XV
🇺🇸 US 🇨🇦 CA
Xtra VisionColor Temperature: 3200 KV
Fitment notes — SYLVANIA H6024XV
Xtra VisionColor Temperature: 3200 KVBase Type: A3Wattage: 35.00 W7" Diameter
High Beam and Low Beam
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Amazon
SYLVANIA H6024ST
🇺🇸 US 🇨🇦 CA
Silver StarColor Temperature: 4000 KV
Fitment notes — SYLVANIA H6024ST
Silver StarColor Temperature: 4000 KVBase Type: A3Wattage: 35.00 W7" Diameter
High Beam and Low Beam
View on
Amazon
WAGNER H6024BL
🇺🇸 US 🇨🇦 CA
Up To 20% More Light
Fitment notes — WAGNER H6024BL
Up To 20% More Light
High Beam and Low BeamHalogenSealed Beam Type
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Popular H6024
🇺🇸 US 🇨🇦 CA
High Beam and Low BeamHalogen
Fitment notes — WAGNER H6024
High Beam and Low BeamHalogenSealed Beam Type
View on
Amazon
SYLVANIA H6024
🇺🇸 US 🇨🇦 CA
Base Type: PAR56Wattage: 40.00 W
Fitment notes — SYLVANIA H6024
Base Type: PAR56Wattage: 40.00 W7" Diameter
High Beam and Low Beam
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.

Headlamp Socket

Brand Part Number Markets Notes Buy
DORMAN 85810
🇺🇸 US 🇨🇦 CA
3-Wire/Terminal Seal Beam Lamp 4002 & 4005 Bulb
Fitment notes — DORMAN 85810
3-Wire/Terminal Seal Beam Lamp 4002 & 4005 Bulb
High/Low Beam
View on
Amazon
DORMAN 84790
🇺🇸 US 🇨🇦 CA
High Temperature Socket
Fitment notes — DORMAN 84790
High Temperature Socket
Bulb 4000, 4652, 4656, 5006, 6014, 6015, 6024, 6052, 6054, or 9003
View on
Amazon
DORMAN 645998
🇺🇸 US 🇨🇦 CA
Bulb 4000, 4652, 4656, 5006, 6014, 6015, 6024, 6052, 6054, or 9003High Temperature Harness
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Amazon
DORMAN 90801
🇺🇸 US 🇨🇦 CA
Ceramic SocketHigh/Low Beam
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Amazon

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.

Instrument Panel Light Bulb

Economy

Brand Part Number Markets Notes Buy
SYLVANIA 1445
🇺🇸 US 🇨🇦 CA
View on
Amazon

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA 1445LL
🇺🇸 US 🇨🇦 CA
Base Type: BA9SLong Life
Fitment notes — SYLVANIA 1445LL
Base Type: BA9SLong LifeWattage: 1.87 W
View on
Amazon
SYLVANIA 53LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: BA9
Fitment notes — SYLVANIA 53LL
Long LifeBase Type: BA9Wattage: 1.70 W
View on
Amazon
SYLVANIA 1895LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: BA9
Fitment notes — SYLVANIA 1895LL
Long LifeBase Type: BA9Wattage: 3.78 W
View on
Amazon
WAGNER 1895LL
🇺🇸 US 🇨🇦 CA
Long LifeMiniature Bayonet Base
Fitment notes — WAGNER 1895LL
Long LifeMiniature Bayonet Base3.780 Watt
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
PHILIPS Popular 1895
🇺🇸 US 🇨🇦 CA
Fits with Bulb 1895
Fitment notes — PHILIPS 1895
Fits:
with Bulb 1895
or:
Instrument LightStandard
View on
Amazon
SYLVANIA Popular 1895
🇺🇸 US 🇨🇦 CA
Base Type: BA9Wattage: 3.80 W
View on
Amazon
WAGNER Popular 1895
🇺🇸 US 🇨🇦 CA
Miniature Bayonet Base3.780 Watt
View on
Amazon
HELLA 1895
🇺🇸 US 🇨🇦 CA
HalogenAverage Rated Life: 2000.0 HR
Fitment notes — HELLA 1895
HalogenAverage Rated Life: 2000.0 HRSocket Type Bulb: BA9S
View on
Amazon
HELLA 3898
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: BA7S
View on
Amazon
SYLVANIA 53
🇺🇸 US 🇨🇦 CA
Base Type: BA9Wattage: 1.70 W
View on
Amazon
WAGNER 1449
🇺🇸 US 🇨🇦 CA
Miniature Screw Base2.800 Watt
View on
Amazon
WAGNER 11009
🇺🇸 US 🇨🇦 CA
BA7S Base1.730 Watt
View on
Amazon

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.

License Plate Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA DE3423LL
🇺🇸 US 🇨🇦 CA
Base Type: SVLong Life
Fitment notes — SYLVANIA DE3423LL
Base Type: SVLong LifeWattage: 5.10 W
View on
Amazon
SYLVANIA 6418LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: Festoon
Fitment notes — SYLVANIA 6418LL
Long LifeBase Type: FestoonWattage: 5.00 W
View on
Amazon
WAGNER 1895LL
🇺🇸 US 🇨🇦 CA
Long LifeMiniature Bayonet Base
Fitment notes — WAGNER 1895LL
Long LifeMiniature Bayonet Base3.780 Watt
View on
Amazon
WAGNER 11005LL
🇺🇸 US 🇨🇦 CA
Long LifeSV8.5 Base
Fitment notes — WAGNER 11005LL
Long LifeSV8.5 Base5.070 Watt
View on
Amazon

HID (intense white light)

Brand Part Number Markets Notes Buy
PHILIPS DE3423LL
🇺🇸 US 🇨🇦 CA
Longer Life
Fitment notes — PHILIPS DE3423LL
Longer Life
with Bulb DE3423
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular 6418
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: SV8.5-8
Fitment notes — HELLA 6418
IncandescentSocket Type Bulb: SV8.5-8
C5W
View on
Amazon
PHILIPS Popular 1895
🇺🇸 US 🇨🇦 CA
Fits Standardor with Bulb 1895
View on
Amazon
WAGNER Popular 1895
🇺🇸 US 🇨🇦 CA
Miniature Bayonet Base3.780 Watt
View on
Amazon
HELLA 1895
🇺🇸 US 🇨🇦 CA
HalogenAverage Rated Life: 2000.0 HR
Fitment notes — HELLA 1895
HalogenAverage Rated Life: 2000.0 HRSocket Type Bulb: BA9S
View on
Amazon
SYLVANIA 6418
🇺🇸 US 🇨🇦 CA
Base Type: SVWattage: 5.00 W
View on
Amazon
WAGNER 11005
🇺🇸 US 🇨🇦 CA
Bulb Type: T-4 Bulb 1/2 (13mm) DiameterSV8.5 Base
Fitment notes — WAGNER 11005
Bulb Type: T-4 Bulb 1/2 (13mm) DiameterSV8.5 Base5.070 Watt
View on
Amazon

This table covers the bulbs that light the license plate. 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.

Parking Brake Warning Light Bulb

Brand Part Number Markets Notes Buy
PHILIPS 1157LL
🇺🇸 US 🇨🇦 CA
Stop LightLonger Life
View on
Amazon

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.

Parking Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA 1157LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: BAY15D
Fitment notes — SYLVANIA 1157LL
Long LifeBase Type: BAY15DWattage: 26.90 W
View on
Amazon
WAGNER 1157LL
🇺🇸 US 🇨🇦 CA
Long LifeDouble Contact Index Base
Fitment notes — WAGNER 1157LL
Long LifeDouble Contact Index Base26.880 WattSecondary Wattage: 8.260 Watt
View on
Amazon

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA 1157ST
🇺🇸 US 🇨🇦 CA
Silver StarCool White
Fitment notes — SYLVANIA 1157ST
Silver StarCool WhiteColor Temperature: 3200 KVBase Type: BAY15DWattage: 26.90 W
View on
Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
PHILIPS 1157WLED
🇺🇸 US 🇨🇦 CA
Ultinon LEDWhite
View on
Amazon
SYLVANIA 1157SL
🇺🇸 US 🇨🇦 CA
LED
View on
Amazon
SYLVANIA 1157LED
🇺🇸 US 🇨🇦 CA
ZEVO
View on
Amazon
WAGNER 1157LEDW
🇺🇸 US 🇨🇦 CA
LED
Fitment notes — WAGNER 1157LEDW
LED
LED BULB
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
Fitment notes — WAGNER 1157
Double Contact Index Base26.880 WattSecondary Wattage: 8.260 Watt
View on
Amazon
HELLA 1157
🇺🇸 US 🇨🇦 CA
Incandescent27/8W
Fitment notes — HELLA 1157
Incandescent27/8WSocket Type Bulb: BAY15D or BA9S
View on
Amazon

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.

Side Marker Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA 1895LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: BA9
Fitment notes — SYLVANIA 1895LL
Long LifeBase Type: BA9Wattage: 3.78 W
Fits:
Rear
or:
Front
View on
Amazon
WAGNER 1895LL
🇺🇸 US 🇨🇦 CA
Long LifeMiniature Bayonet Base
Fitment notes — WAGNER 1895LL
Long LifeMiniature Bayonet Base3.780 Watt
Fits:
Rear
or:
Front
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
PHILIPS Popular 1895
🇺🇸 US 🇨🇦 CA
Fits RearStandard
Fitment notes — PHILIPS 1895
Fits:
RearStandard
or:
FrontStandard
View on
Amazon
WAGNER Popular 1895
🇺🇸 US 🇨🇦 CA
Miniature Bayonet Base3.780 Watt
Fitment notes — WAGNER 1895
Miniature Bayonet Base3.780 Watt
Fits:
Rear
or:
Front
View on
Amazon
HELLA 1895
🇺🇸 US 🇨🇦 CA
HalogenAverage Rated Life: 2000.0 HR
Fitment notes — HELLA 1895
HalogenAverage Rated Life: 2000.0 HRSocket Type Bulb: BA9S
Fits:
Rear
or:
Front
View on
Amazon
SYLVANIA 1895
🇺🇸 US 🇨🇦 CA
Base Type: BA9Wattage: 3.80 W
Fitment notes — SYLVANIA 1895
Base Type: BA9Wattage: 3.80 W
Fits:
Rear
or:
Front
View on
Amazon

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.

Tail Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Popular 1157LL
🇺🇸 US 🇨🇦 CA
Tail LightLonger Life
View on
Amazon
SYLVANIA 1157LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: BAY15D
Fitment notes — SYLVANIA 1157LL
Long LifeBase Type: BAY15DWattage: 26.90 W
View on
Amazon
WAGNER 1157LL
🇺🇸 US 🇨🇦 CA
Long LifeDouble Contact Index Base
Fitment notes — WAGNER 1157LL
Long LifeDouble Contact Index Base26.880 WattSecondary Wattage: 8.260 Watt
View on
Amazon

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA 1157ST
🇺🇸 US 🇨🇦 CA
Silver StarCool White
Fitment notes — SYLVANIA 1157ST
Silver StarCool WhiteColor Temperature: 3200 KVBase Type: BAY15DWattage: 26.90 W
View on
Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
DORMAN 1157SMD
🇺🇸 US 🇨🇦 CA
View on
Amazon
DORMAN 1157WSMD
🇺🇸 US 🇨🇦 CA
Bulb Type 1157
Fitment notes — DORMAN 1157WSMD
Bulb Type 1157
WHITE
View on
Amazon
DORMAN 1157WHP
🇺🇸 US 🇨🇦 CA
Bulb Type 1157
Fitment notes — DORMAN 1157WHP
Bulb Type 1157
Single LEDWattage: 16 WLight Color:
View on
Amazon
PHILIPS 1157RLED
🇺🇸 US 🇨🇦 CA
Ultinon LEDRed
View on
Amazon
WAGNER 1157LEDW
🇺🇸 US 🇨🇦 CA
LED
Fitment notes — WAGNER 1157LEDW
LED
LED BULB
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
Fitment notes — WAGNER 1157
Double Contact Index Base26.880 WattSecondary Wattage: 8.260 Watt
View on
Amazon
HELLA 1157
🇺🇸 US 🇨🇦 CA
Incandescent27/8W
Fitment notes — HELLA 1157
Incandescent27/8WSocket Type Bulb: BAY15D or BA9S
View on
Amazon

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.

Turn Signal Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Popular 1157LL
🇺🇸 US 🇨🇦 CA
Fits FrontLonger Life
Fitment notes — PHILIPS 1157LL
Fits:
FrontLonger Life
or:
RearLonger Life
View on
Amazon
SYLVANIA 1157LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: BAY15D
Fitment notes — SYLVANIA 1157LL
Long LifeBase Type: BAY15DWattage: 26.90 W
Fits:
Rear
or:
Front
View on
Amazon
WAGNER 1157LL
🇺🇸 US 🇨🇦 CA
Long LifeDouble Contact Index Base
Fitment notes — WAGNER 1157LL
Long LifeDouble Contact Index Base26.880 WattSecondary Wattage: 8.260 Watt
Fits:
Rear
or:
Front
View on
Amazon

Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA 1157ST
🇺🇸 US 🇨🇦 CA
Silver StarCool White
Fitment notes — SYLVANIA 1157ST
Silver StarCool WhiteColor Temperature: 3200 KVBase Type: BAY15DWattage: 26.90 W
Fits:
Rear
or:
Front
View on
Amazon

LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
PHILIPS 1157RLED
🇺🇸 US 🇨🇦 CA
Ultinon LEDRed
Fitment notes — PHILIPS 1157RLED
Ultinon LEDRedRear
View on
Amazon
WAGNER 1157LEDW
🇺🇸 US 🇨🇦 CA
LED
Fitment notes — WAGNER 1157LEDW
LED
Fits:
Rear
or:
Front
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
WAGNER Popular 1157
🇺🇸 US 🇨🇦 CA
Double Contact Index Base26.880 Watt
Fitment notes — WAGNER 1157
Double Contact Index Base26.880 WattSecondary Wattage: 8.260 Watt
Fits:
Rear
or:
Front
View on
Amazon
HELLA 1157
🇺🇸 US 🇨🇦 CA
Incandescent27/8W
Fitment notes — HELLA 1157
Incandescent27/8WSocket Type Bulb: BAY15D or BA9S
Fits:
Rear
or:
Front
View on
Amazon
SYLVANIA 1157
🇺🇸 US 🇨🇦 CA
Base Type: BAY15DWattage: 26.90 W
Fitment notes — SYLVANIA 1157
Base Type: BAY15DWattage: 26.90 W
Fits:
Rear
or:
Front
View on
Amazon

This table covers the bulbs in the turn-signal 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.

Buying Electrical Bulb & Socket Parts for a 1971 MG MGB

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 1.8L L4 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: Instrument Panel Light Bulb and Tail Lamp Bulb .

Frequently Asked Questions

How many electrical bulb & socket parts fit the 1971 MG MGB?

Our catalog currently lists 94 electrical bulb & socket parts for the 1971 MG MGB across 12 subcategories and 5 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.

What are the signs of electrical bulb & socket problems on a 1971 MG MGB?

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 1971 MG MGB 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 1971 MG MGB?

Every part on this page is matched to the 1.8L L4 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 1971 MG MGB

Electrical Bulb & Socket Parts for Other MG MGB Years

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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.