84 Electrical bulb & socket parts are listed for the 1971 Fiat 128, in 9 part types, covering the 1.1L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1971 Fiat 128, 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 Turn Signal Lamp Bulb (17 parts), Brake Light Bulb (10 parts) and Headlamp Socket (10 parts). The other 6 part types cover the remaining 47 parts.
Every part on this page is matched to the 1.1L L4 — the only engine offered in the 1971 Fiat 128.
The most listed brands for 1971 Fiat 128 electrical bulb & socket parts are SYLVANIA (31 parts), WAGNER (23 parts) and HELLA (9 parts), plus 8 more brands. Quality grades include Standard Replacement, Extended Life and LED.
19 parts on this 1971 Fiat 128 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including SYLVANIA 1157 (Brake Light Bulb) and WAGNER H6024 (Headlamp Bulb). Click any part number to see every vehicle that part fits.
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 1971 Fiat 128, from SYLVANIA, WAGNER and HELLA. SYLVANIA 1157 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 1157LL 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 1157ST is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, SYLVANIA and WAGNER supply 4 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 SYLVANIA 1157SL.
The Standard Replacement section lists 3 options from SYLVANIA, WAGNER and HELLA — built to original-equipment specification. 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 1971 Fiat 128 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 |
| ROSTRA | 610398 | 🇺🇸 US 🇨🇦 CA | 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 | CON69 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 6S1004 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangularWiring Harness Length: 12.19 In | View on Amazon |
| WELLS | 1P1338 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Length: 8.5 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.
10 Headlamp Socket parts for the 1971 Fiat 128 come from 6 brands — DORMAN, STANDARD MOTOR PRODUCTS, WELLS and 3 other brands. The "Popular" part is DORMAN 85810.
Instrument Panel Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 1893LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA | 1893LL | 🇺🇸 US 🇨🇦 CA | Base Type: BA9SLong Life | View on Amazon |
| WAGNER | 1893LL | 🇺🇸 US 🇨🇦 CA | Long LifeMiniature Bayonet Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular | 1893 | 🇺🇸 US 🇨🇦 CA | Miniature Bayonet Base4.620 Watt | View on Amazon |
| HELLA | 1893 | 🇺🇸 US 🇨🇦 CA | HalogenSocket Type Bulb: BA9S | View on Amazon |
| SYLVANIA | 1893 | 🇺🇸 US 🇨🇦 CA | Base Type: BA9SWattage: 4.60 W | 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.
6 Instrument Panel Light Bulb parts are listed for the 1971 Fiat 128, from SYLVANIA, WAGNER, PHILIPS and 1 other brand. PHILIPS 1893LL carries the "Popular" badge.
The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 1893LL is listed in this group.
The Standard Replacement section: 3 options from WAGNER, HELLA and SYLVANIA. WAGNER 1893 is listed in this group.
Listed part numbers: PHILIPS 1893LL, plus the other parts above.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 89LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA | 89LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER | 89LL | 🇺🇸 US 🇨🇦 CA | Long LifeSingle Contact Bayonet Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 89 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAGNER Popular | 89 | 🇺🇸 US 🇨🇦 CA | Single Contact Bayonet Base7.540 Watt | View on Amazon |
| SYLVANIA | 89 | 🇺🇸 US 🇨🇦 CA | Base Type: BA15SWattage: 7.50 W | 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.
6 License Plate Lamp Bulb parts are listed for the 1971 Fiat 128, from PHILIPS, SYLVANIA and WAGNER. PHILIPS 89 carries the "Popular" badge.
The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 89LL is listed in this group.
The Standard Replacement section: 3 options from PHILIPS, WAGNER and SYLVANIA. PHILIPS 89 is listed in this group.
This group includes PHILIPS 89 and PHILIPS 89LL and the remaining parts above.
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 1971 Fiat 128 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 |
|---|---|---|---|---|
| HELLA | 194LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| 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 |
|---|---|---|---|---|
| SYLVANIA | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | 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 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.
10 Side Marker Light Bulb parts are listed for the 1971 Fiat 128, from SYLVANIA, WAGNER and HELLA. HELLA 194 carries the "Popular" badge.
The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 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): 3 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 194BSL.
The Standard Replacement section: 3 options from HELLA, WAGNER and SYLVANIA. HELLA 194 is listed in this group.
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 1971 Fiat 128 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 |
|---|---|---|---|---|
| WAGNER Popular | 1157LL | 🇺🇸 US 🇨🇦 CA | Long LifeDouble Contact Index Base | View on Amazon |
| PHILIPS | 1141LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA | 1157LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BAY15D | View on Amazon |
| SYLVANIA | 1141LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER | 1141LL | 🇺🇸 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 |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 1156ALED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDAmber | View on Amazon |
| WAGNER | 1157LEDW | 🇺🇸 US 🇨🇦 CA | LED | 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 |
| GM GENUINE | L1141 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| HELLA | 1141 | 🇺🇸 US 🇨🇦 CA | IncandescentMiniature | View on Amazon |
| HELLA | 1157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | View on Amazon |
| PHILIPS | 1141 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| SYLVANIA | 1141 | 🇺🇸 US 🇨🇦 CA | Base Type: BA15SWattage: 18.40 W | View on Amazon |
| WAGNER | 1141 | 🇺🇸 US 🇨🇦 CA | Single Contact Bayonet Base18.430 Watt | 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 1971 Fiat 128, from WAGNER, SYLVANIA, PHILIPS and 2 other brands. WAGNER 1157LL carries the "Popular" badge.
The Extended Life section: 5 options from WAGNER, SYLVANIA and PHILIPS. 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): 2 parts, from PHILIPS and WAGNER. A representative part number is PHILIPS 1156ALED.
The Standard Replacement section: 9 options from HELLA, SYLVANIA, WAGNER and 2 other brands. HELLA 1156 is listed in this group.
Buying Electrical Bulb & Socket Parts for a 1971 Fiat 128
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 1.1L 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 Brake Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 1971 Fiat 128?
Our catalog currently lists 84 electrical bulb & socket parts for the 1971 Fiat 128 across 9 subcategories and 11 brands, covering the 1.1L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 1971 Fiat 128?
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 Fiat 128 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 Fiat 128?
Every part on this page is matched to the 1.1L 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 Fiat 128
Electrical Bulb & Socket Parts for Other Fiat 128 Years
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