The 1979 Triumph Spitfire has 80 electrical bulb & socket parts with verified fitment on this page — 9 part types and 9 brands, covering the 1.5L L4 engine. Each part includes a manufacturer part number and application notes.
The bulb and socket system on the 1979 Triumph Spitfire covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. The largest groups are Turn Signal Lamp Bulb (17 parts), Back Up / Reverse Lamp Bulb (10 parts) and Brake Light Bulb (10 parts). The other 6 part types cover the remaining 43 parts.
Every part on this page is matched to the 1.5L L4 — the only engine offered in the 1979 Triumph Spitfire.
The most listed brands for 1979 Triumph Spitfire electrical bulb & socket parts are SYLVANIA (30 parts), WAGNER (23 parts) and HELLA (9 parts), plus 6 more brands. Quality grades include Standard Replacement, Extended Life and LED.
17 parts on this 1979 Triumph Spitfire page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including HELLA 1156 (Back Up / Reverse Lamp Bulb) and SYLVANIA 1157 (Brake Light Bulb). Click any part number to see every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 1156LL | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| PHILIPS | 1156LL | 🇺🇸 US 🇨🇦 CA | Longer Life | 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 |
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 |
| 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.
10 Back Up / Reverse Lamp Bulb parts are listed for the 1979 Triumph Spitfire, from SYLVANIA, WAGNER, HELLA and 2 other brands. HELLA 1156 carries the "Popular" badge.
The Extended Life section lists 4 options from HELLA, PHILIPS, SYLVANIA and 1 other brand — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. HELLA 1156LL 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 1156ST is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, DORMAN and WAGNER supply 2 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 DORMAN 1156WSMD.
The Standard Replacement section lists 3 options from HELLA, WAGNER and SYLVANIA — built to original-equipment specification. HELLA 1156 is listed in this group.
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 are listed for the 1979 Triumph Spitfire, from SYLVANIA, WAGNER and HELLA. 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 and WAGNER. A representative part number is SYLVANIA 1157SL.
The Standard Replacement section: 3 options from SYLVANIA, WAGNER and HELLA. SYLVANIA 1157 is listed in this group.
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 for the 1979 Triumph Spitfire come from 2 brands — SYLVANIA and WAGNER. The "Popular" part is WAGNER H6024.
Extra Bright (improved visibility, but shorter life): 3 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA H6024XV.
Standard Replacement: 2 parts, from WAGNER and SYLVANIA. A representative part number is WAGNER H6024.
Listed part numbers: WAGNER H6024, SYLVANIA H6024XV and SYLVANIA H6024ST, plus the other parts above.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 85810 | 🇺🇸 US 🇨🇦 CA | 3-Wire/Terminal Seal Beam Lamp 4002 & 4005 Bulb | View on Amazon |
| DORMAN Popular | 84790 | 🇺🇸 US 🇨🇦 CA | High Temperature Socket | View on Amazon |
| ACDELCO | LS144 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| DORMAN | 645998 | 🇺🇸 US 🇨🇦 CA | Bulb 4000, 4652, 4656, 5006, 6014, 6015, 6024, 6052, 6054, or 9003High Temperature Harness | View on Amazon |
| DORMAN | 90801 | 🇺🇸 US 🇨🇦 CA | Ceramic SocketHigh/Low Beam | View on Amazon |
| STANDARD MOTOR PRODUCTS | HP3950 | 🇺🇸 US 🇨🇦 CA | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS | S526 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| UNITED MOTOR PRODUCTS | CON70 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 6S1004 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangularWiring Harness Length: 12.19 In | View on 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.
9 Headlamp Socket parts for the 1979 Triumph Spitfire come from 5 brands — DORMAN, STANDARD MOTOR PRODUCTS, ACDELCO and 2 other brands. The "Popular" part is DORMAN 85810.
Listed part numbers: DORMAN 85810, DORMAN 84790 and ACDELCO LS144, plus the other parts above.
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 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 1449 | 🇺🇸 US 🇨🇦 CA | Miniature Screw Base2.800 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.
3 Instrument Panel Light Bulb parts are listed for the 1979 Triumph Spitfire, from SYLVANIA and WAGNER.
In the Economy grade, SYLVANIA supplies 1 part: the catalog's value-priced group. A representative part number is SYLVANIA 1445.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 1445LL is listed in this group.
The Standard Replacement section: 1 option from WAGNER. WAGNER 1449 is listed in this group.
Listed part numbers: SYLVANIA 1445, SYLVANIA 1445LL and WAGNER 1449.
Parking Lamp 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 |
|---|---|---|---|---|
| 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 | 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 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.
10 Parking Lamp Bulb parts for the 1979 Triumph Spitfire come from 4 brands — SYLVANIA, WAGNER, PHILIPS and 1 other brand. 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, PHILIPS and WAGNER. PHILIPS 1157WLED is listed in this group.
Standard Replacement: 3 parts, from SYLVANIA, WAGNER and HELLA. A representative part number is SYLVANIA 1157.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 1895LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BA9 | View on Amazon |
| WAGNER | 1895LL | 🇺🇸 US 🇨🇦 CA | Long LifeMiniature Bayonet Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 1895 | 🇺🇸 US 🇨🇦 CA | Fits RearStandard | 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 | View on Amazon |
| SYLVANIA | 1895 | 🇺🇸 US 🇨🇦 CA | Base Type: BA9Wattage: 3.80 W | 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.
6 Side Marker Light Bulb parts are listed for the 1979 Triumph Spitfire, from SYLVANIA, WAGNER, PHILIPS and 1 other brand. PHILIPS 1895 carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 1895LL is listed in this group.
The Standard Replacement section: 4 options from PHILIPS, WAGNER, HELLA and 1 other brand. PHILIPS 1895 is listed in this group.
Part numbers include PHILIPS 1895 and SYLVANIA 1895LL, among others listed above.
Tail Lamp 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 |
|---|---|---|---|---|
| DORMAN | 1157SMD | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN | 1157WSMD | 🇺🇸 US 🇨🇦 CA | Bulb Type 1157 | View on Amazon |
| DORMAN | 1157WHP | 🇺🇸 US 🇨🇦 CA | Bulb Type 1157 | 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 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.
10 Tail Lamp Bulb parts for the 1979 Triumph Spitfire come from 4 brands — SYLVANIA, WAGNER, DORMAN and 1 other brand. 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 DORMAN and WAGNER. DORMAN 1157SMD is listed in this group.
Standard Replacement: 3 parts, from SYLVANIA, WAGNER and HELLA. A representative part number is SYLVANIA 1157.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 1156LL | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| PHILIPS | 1156LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA | 1156LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BA15S | View on Amazon |
| SYLVANIA | 1157LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BAY15D | View on Amazon |
| WAGNER | 1157LL | 🇺🇸 US 🇨🇦 CA | Long LifeDouble Contact Index Base | 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 | 1157ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
| SYLVANIA | 1156ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteColor Temperature: 3200 KV | 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 |
| WAGNER | 1157LEDW | 🇺🇸 US 🇨🇦 CA | LED | 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 |
| 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 |
| WAGNER Popular | 1156 | 🇺🇸 US 🇨🇦 CA | Single Contact Bayonet Base26.880 Watt | View on Amazon |
| HELLA | 1157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | View on Amazon |
| SYLVANIA | 1156 | 🇺🇸 US 🇨🇦 CA | Base Type: BA15SWattage: 26.90 W | 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.
17 Turn Signal Lamp Bulb parts are listed for the 1979 Triumph Spitfire, from SYLVANIA, WAGNER, HELLA and 2 other brands. HELLA 1156 carries the "Popular" badge.
The Extended Life section: 6 options from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 1156LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 2 options from SYLVANIA. SYLVANIA 1157ST is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from WAGNER and DORMAN. A representative part number is DORMAN 1156WSMD.
The Standard Replacement section: 6 options from HELLA, SYLVANIA and WAGNER. HELLA 1156 is listed in this group.
Buying Electrical Bulb & Socket Parts for a 1979 Triumph Spitfire
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 1.5L 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: Turn Signal Lamp Bulb and Back Up / Reverse Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 1979 Triumph Spitfire?
Our catalog currently lists 80 electrical bulb & socket parts for the 1979 Triumph Spitfire across 9 subcategories and 9 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 1979 Triumph Spitfire?
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 1979 Triumph Spitfire 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 1979 Triumph Spitfire?
Every part on this page is matched to the 1.5L 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 1979 Triumph Spitfire
Electrical Bulb & Socket Parts for Other Triumph Spitfire Years
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