The 1971 Fiat 850 has 57 ignition parts with verified fitment on this page — 8 part types and 17 brands, covering both the 817cc L4 and the 903cc L4. Each part includes a manufacturer part number and application notes.
On the 1971 Fiat 850, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (15 parts), Spark Plug (13 parts) and Distributor Cap (7 parts). The other 5 part types cover the remaining 22 parts.
The 1971 Fiat 850 was sold with both the 817cc L4 and the 903cc L4. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
17 brands supply ignition parts for the 1971 Fiat 850, led by STANDARD MOTOR PRODUCTS (18 parts), WELLS (8 parts) and CHAMPION (5 parts), plus 14 more brands. Quality grades include Standard Replacement, Economy and Copper / Nickel.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1971 Fiat 850. 11 parts have it, including STANDARD MOTOR PRODUCTS MA407 (Distributor Cap) and STANDARD MOTOR PRODUCTS DU313 (Distributor Rotor). Each part number opens a page with every vehicle that part fits.
Ballast Resistor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | RU10T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | RU10 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Ballast resistors.
2 Ballast Resistor parts for the 1971 Fiat 850 come from STANDARD MOTOR PRODUCTS.
The Economy section lists 1 option from STANDARD MOTOR PRODUCTS — the catalog's value-priced group. STANDARD MOTOR PRODUCTS RU10T is listed in this group.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS supplies 1 part: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS RU10.
Listed part numbers: STANDARD MOTOR PRODUCTS RU10T and STANDARD MOTOR PRODUCTS RU10.
Condenser / Capacitor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | DU116 | 🇺🇸 US 🇨🇦 CA | vendor # Ducellier | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | MA116 | 🇺🇸 US 🇨🇦 CA | Distributor # 4132068, 4186935vendor # Marelli | View on Amazon |
| WELLS Fits: 903cc L4 | 5H1145 | 🇺🇸 US 🇨🇦 CA | with Marelli Distributor # 4132068, 4186935 | View on Amazon |
This table covers the capacitors used in this electrical or A/C circuit.
3 Condenser / Capacitor parts for the 1971 Fiat 850 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS DU116, STANDARD MOTOR PRODUCTS MA116 and WELLS 5H1145.
Distributor Cap
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LILAND GLOBAL Fits: 903cc L4 | MA409LG | 🇺🇸 US | Black Brass | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 903cc L4 | MA407 | 🇺🇸 US 🇨🇦 CA | with Original Equipment (OE) # S118CA, S118CAXdistributor # Marelli | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | MA409 | 🇺🇸 US 🇨🇦 CA | with Original Equipment (OE) # S140Adistributor # Marelli | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | DU418 | 🇺🇸 US 🇨🇦 CA | Distributor # 4217192vendor # Ducellier | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | GB458 | 🇺🇸 US 🇨🇦 CA | with Original Equipment (OE) # S118BB, S118BBXdistributor # Marelli | View on Amazon |
| WELLS Fits: 903cc L4 | 5D1121 | 🇺🇸 US | Distributor # S140A | View on Amazon |
| WELLS Fits: 903cc L4 | 5D1355 | 🇺🇸 US 🇨🇦 CA | Distributor # S118 | View on Amazon |
This table covers the Distributor caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
7 Distributor Cap parts are listed for the 1971 Fiat 850, from STANDARD MOTOR PRODUCTS, WELLS and LILAND GLOBAL. STANDARD MOTOR PRODUCTS MA407 carries the "Popular" badge.
The Premium section lists 1 option from LILAND GLOBAL — a step above OE specification in materials, tolerances or warranty terms. LILAND GLOBAL MA409LG is listed in this group.
The Standard Replacement section: 6 options from STANDARD MOTOR PRODUCTS and WELLS. STANDARD MOTOR PRODUCTS MA407 is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS MA407, LILAND GLOBAL MA409LG and STANDARD MOTOR PRODUCTS MA409, plus the other parts above.
Distributor Rotor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Fits: 903cc L4 | DAC1169 | 🇺🇸 US 🇨🇦 CA | O.E. ReplDistributor # S118 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 903cc L4 | DU313 | 🇺🇸 US 🇨🇦 CA | with Ducellier Distributor | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 903cc L4 | MA307 | 🇺🇸 US 🇨🇦 CA | with Original Equipment (OE) # S118CA, S118CAXdistributor # Marelli | View on Amazon |
| FACET Fits: 903cc L4 | 38254RS | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | MA308 | 🇺🇸 US 🇨🇦 CA | with Original Equipment (OE) # S140Bdistributor # Marelli | View on Amazon |
| WELLS Fits: 903cc L4 | 4R1034 | 🇺🇸 US 🇨🇦 CA | with Ducellier Distributor | View on Amazon |
| WELLS Fits: 903cc L4 | 4R1097 | 🇺🇸 US 🇨🇦 CA | Distributor # S118 | View on Amazon |
This table covers the Distributor rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness.
7 Distributor Rotor parts are listed for the 1971 Fiat 850, from STANDARD MOTOR PRODUCTS, WELLS, FAMOUS BRAND and 1 other brand. STANDARD MOTOR PRODUCTS DU313 carries the "Popular" badge.
Economy: 1 part, from FAMOUS BRAND. A representative part number is FAMOUS BRAND DAC1169.
The Standard Replacement section: 6 options from STANDARD MOTOR PRODUCTS, WELLS and FACET. STANDARD MOTOR PRODUCTS DU313 is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS DU313, FAMOUS BRAND DAC1169 and STANDARD MOTOR PRODUCTS MA307, plus the other parts above.
Ignition Breaker Points
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Fits: 903cc L4 | ANA1026 | 🇺🇸 US 🇨🇦 CA | Fits Contact Set100G3 Engine Desg | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | MA3466 | 🇺🇸 US 🇨🇦 CA | vendor # Marelli | View on Amazon |
| WELLS Fits: 903cc L4 | 4P1050 | 🇺🇸 US 🇨🇦 CA | Distributor # S118,S140A | View on Amazon |
This table covers the breaker points in a points-type distributor.
3 Ignition Breaker Points parts for the 1971 Fiat 850 come from 3 brands — FAMOUS BRAND, STANDARD MOTOR PRODUCTS and WELLS.
The Economy section: 1 option from FAMOUS BRAND. FAMOUS BRAND ANA1026 is listed in this group.
Standard Replacement: 2 parts, from STANDARD MOTOR PRODUCTS and WELLS. A representative part number is STANDARD MOTOR PRODUCTS MA3466.
Part numbers include FAMOUS BRAND ANA1026, STANDARD MOTOR PRODUCTS MA3466 and WELLS 4P1050.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Popular Fits: 903cc L4 | C632 | 🇺🇸 US 🇨🇦 CA | Packwith External Resistor | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 903cc L4 | UC15T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| FVP Fits: 903cc L4 | UC15F | 🇺🇸 US 🇨🇦 CA | Internal Resistor Coil | View on Amazon |
| HOLSTEIN Fits: 903cc L4 | 2IGC0058 | 🇺🇸 US 🇨🇦 CA | with internal resistor | View on Amazon |
| HOLSTEIN Fits: 903cc L4 | 2IGC0146 | 🇺🇸 US 🇨🇦 CA | with External Resistor | View on Amazon |
| SKP Fits: 903cc L4 | SKUF3T | 🇺🇸 US 🇨🇦 CA | Fits Coil Packor with internal resistor | View on Amazon |
| SPECTRA PREMIUM Fits: 903cc L4 | C654 | 🇺🇸 US 🇨🇦 CA | Internal Resistor Coil | View on Amazon |
| WAI GLOBAL Fits: 903cc L4 | CUF3 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: 903cc L4 | 48863 | 🇺🇸 US 🇨🇦 CA | Internal Resistor CoilConnections May be Eyelet or Spade | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | UC15 | 🇺🇸 US 🇨🇦 CA | Internal Resistor Coil | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | UF2 | 🇺🇸 US 🇨🇦 CA | with External Resistor | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 903cc L4 | C2 | 🇺🇸 US 🇨🇦 CA | with External Resistor | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 903cc L4 | C15 | 🇺🇸 US 🇨🇦 CA | Internal Resistor Coil | View on Amazon |
| WELLS Fits: 903cc L4 | 5C1057 | 🇺🇸 US 🇨🇦 CA | Requires External Resistor: YES | View on Amazon |
| WELLS Fits: 903cc L4 | 5C1019 | 🇺🇸 US 🇨🇦 CA | Used on most import products with 12 Volt system with Internal resistorUniversal 12 Volt Coil | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
15 Ignition Coil parts for the 1971 Fiat 850 come from 9 brands — STANDARD MOTOR PRODUCTS, SPECTRA PREMIUM, HOLSTEIN and 6 other brands. The "Popular" part is SPECTRA PREMIUM C632.
The Economy section: 8 options from SPECTRA PREMIUM, HOLSTEIN, STANDARD MOTOR PRODUCTS and 3 other brands. SPECTRA PREMIUM C632 is listed in this group.
Standard Replacement: 7 parts, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, WELLS and 1 other brand. A representative part number is NGK 48863.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.025", 0.03", 0.032", 0.035" and 0.041". Replacement brands in this table include CHAMPION, ACDELCO and NGK.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 903cc L4 | R42XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| NGK Popular Fits: 903cc L4 | 5534 | 🇺🇸 US 🇨🇦 CA | StandardPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION Fits: 903cc L4 | 315 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| CHAMPION Fits: 903cc L4 | 332 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
| CHAMPION Fits: 903cc L4 | 3321 | 🇺🇸 US 🇨🇦 CA | Copper Plus | View on Amazon |
| DENSO Fits: 903cc L4 | 3088 | 🇺🇸 US 🇨🇦 CA | U-Groove ConventionalPre-Set Gap: 0.032" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 903cc L4 | 41804 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| CHAMPION Fits: 903cc L4 | 7415 | 🇺🇸 US 🇨🇦 CA | Double Platinum PowerPre-Set Gap: 0.032" | View on Amazon |
Iridium (lasts up to 4x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION Fits: 903cc L4 | 9804 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.03" | View on Amazon |
| DENSO Fits: 903cc L4 | 5307 | 🇺🇸 US 🇨🇦 CA | Iridium PowerPre-Set Gap: 0.032" | View on Amazon |
| NGK Fits: 903cc L4 | 4055 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| SKP Fits: 903cc L4 | SP1041 | 🇺🇸 US 🇨🇦 CA | Tapered Ground Electrode with Platinum Chip | View on Amazon |
Platinum (lasts up to 2x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 903cc L4 | 4 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
13 Spark Plug parts are listed for the 1971 Fiat 850, from CHAMPION, ACDELCO, NGK and 2 other brands. ACDELCO R42XLS carries the "Popular" badge.
In the Copper / Nickel grade, CHAMPION, ACDELCO, NGK and 1 other brand supply 6 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO R42XLS.
In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, ACDELCO and CHAMPION supply 2 parts: grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 41804.
The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 4 options from CHAMPION, DENSO, NGK and 1 other brand — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. CHAMPION 9804 is listed in this group.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, ACDELCO supplies 1 part: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 4.
Spark Plug Wire
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| B&B Fits: 903cc L4 | S429251 | 🇨🇦 CA | Suppressor Wire Set | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | 4353 | 🇺🇸 US 🇨🇦 CA | SetCoil Wire: 24" | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: 903cc L4 | 55008 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 903cc L4 | 55613 | 🇺🇸 US 🇨🇦 CA | IntermotorSet | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 903cc L4 | 9404 | 🇺🇸 US 🇨🇦 CA | United-PackardSet | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 903cc L4 | 29481 | 🇺🇸 US 🇨🇦 CA | Pro SeriesSet | View on Amazon |
| WALKER PRODUCTS Fits: 903cc L4 | 9241017 | 🇺🇸 US 🇨🇦 CA | Direct FitSet | View on Amazon |
This table covers the Spark Plug wires.
7 Spark Plug Wire parts for the 1971 Fiat 850 come from 5 brands — STANDARD MOTOR PRODUCTS, B&B, NGK and 2 other brands. The "Popular" part is NGK 55008.
The Economy section: 2 options from B&B and STANDARD MOTOR PRODUCTS. B&B S429251 is listed in this group.
Premium: 3 parts, from NGK, STANDARD MOTOR PRODUCTS and UNITED MOTOR PRODUCTS. A representative part number is NGK 55008.
Standard Replacement: 2 parts, from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS 29481.
Listed part numbers: NGK 55008, B&B S429251 and STANDARD MOTOR PRODUCTS 4353, plus the other parts above.
Buying Ignition Parts for a 1971 Fiat 850
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Every ignition part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 1971 Fiat 850?
Our catalog currently lists 57 ignition parts for the 1971 Fiat 850 across 8 subcategories and 17 brands, covering both the 817cc L4 and the 903cc L4. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 1971 Fiat 850 engines?
Yes. Every ignition part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of ignition problems on a 1971 Fiat 850?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 1971 Fiat 850?
Notes on this page include pre-set gaps of 0.024", 0.025", 0.03", 0.032", 0.035" and 0.041". Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
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 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 1971 Fiat 850?
First match the engine — each row shows which engine(s) the part fits. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1971 Fiat 850
Ignition Parts for Other Fiat 850 Years
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