The 1972 Fiat 850 has 30 electrical bulb & socket parts with verified fitment on this page — 7 part types and 10 brands, covering the 903cc L4 engine. Each part includes a manufacturer part number and application notes.
The bulb and socket system on the 1972 Fiat 850 covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. The largest groups are Headlamp Socket (10 parts), Instrument Panel Light Bulb (6 parts) and License Plate Lamp Bulb (6 parts). The other 4 part types cover the remaining 8 parts.
The 1972 Fiat 850 came with a single engine, the 903cc L4, and every part is verified against it.
10 brands supply electrical bulb & socket parts for the 1972 Fiat 850, led by WAGNER (9 parts), SYLVANIA (7 parts) and DORMAN (3 parts), plus 7 more brands. Quality grades include Standard Replacement, Extended Life and Extra Bright.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1972 Fiat 850. 7 parts have it, including WAGNER H6024 (Headlamp Bulb) and DORMAN 85810 (Headlamp Socket). Each part number opens a page with every vehicle that part fits.
Brake Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 1016 | 🇺🇸 US 🇨🇦 CA | 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.
This group shows a single part: WAGNER 1016.
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 1972 Fiat 850, from SYLVANIA and WAGNER. WAGNER H6024 carries the "Popular" badge.
The Extra Bright (improved visibility, but shorter life) section lists 3 options from SYLVANIA and WAGNER — grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. SYLVANIA H6024XV is listed in this group.
The Standard Replacement section lists 2 options from WAGNER and SYLVANIA — built to original-equipment specification. WAGNER H6024 is listed in this group.
This group includes WAGNER H6024, SYLVANIA H6024XV and SYLVANIA H6024ST and the remaining 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 are listed for the 1972 Fiat 850, from DORMAN, STANDARD MOTOR PRODUCTS, WELLS and 3 other brands. DORMAN 85810 carries the "Popular" badge.
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 for the 1972 Fiat 850 come from 4 brands — SYLVANIA, WAGNER, PHILIPS and 1 other brand. The "Popular" part is PHILIPS 1893LL.
In the Extended Life grade, PHILIPS, SYLVANIA and WAGNER supply 3 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is PHILIPS 1893LL.
Standard Replacement: 3 parts, from WAGNER, HELLA and SYLVANIA. A representative part number is WAGNER 1893.
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 for the 1972 Fiat 850 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.
Parking Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 1016 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 1972 Fiat 850 — WAGNER 1016.
Tail Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 1016 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 1972 Fiat 850 — WAGNER 1016.
Buying Electrical Bulb & Socket Parts for a 1972 Fiat 850
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 903cc 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: Headlamp Socket and Instrument Panel Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 1972 Fiat 850?
Our catalog currently lists 30 electrical bulb & socket parts for the 1972 Fiat 850 across 7 subcategories and 10 brands, covering the 903cc L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 1972 Fiat 850?
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 1972 Fiat 850 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 1972 Fiat 850?
Every part on this page is matched to the 903cc 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 1972 Fiat 850
Electrical Bulb & Socket Parts for Other Fiat 850 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.