The 1975 Fiat 124 has 59 ignition parts with verified fitment on this page — 10 part types and 18 brands, covering the 1.8L L4 engine. Each part includes a manufacturer part number and application notes.
The ignition system on the 1975 Fiat 124 delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Spark Plug (21 parts), Ignition Coil (16 parts) and Spark Plug Wire (7 parts). The other 7 part types cover the remaining 15 parts.
The 1975 Fiat 124 came with a single engine, the 1.8L L4, and every part is verified against it.
18 brands supply ignition parts for the 1975 Fiat 124, led by STANDARD MOTOR PRODUCTS (13 parts), NGK (8 parts) and WELLS (5 parts), plus 15 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 1975 Fiat 124. 12 parts have it, including STANDARD MOTOR PRODUCTS MA307 (Distributor Rotor) and SPECTRA PREMIUM C632 (Ignition Coil). Each part number opens a page with every vehicle that part fits.
Ballast Resistor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | RU10T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | RU10 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Ballast resistors.
2 Ballast Resistor parts for the 1975 Fiat 124 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.
Part numbers include STANDARD MOTOR PRODUCTS RU10T and STANDARD MOTOR PRODUCTS RU10.
Condenser / Capacitor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 5H1029 | 🇺🇸 US 🇨🇦 CA | Standard Duty | View on Amazon |
This table covers the capacitors used in this electrical or A/C circuit.
This group shows a single part: WELLS 5H1029.
Distributor Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | MA407 | 🇺🇸 US 🇨🇦 CA | with Original Equipment (OE) # S120A, S120AXdistributor # Marelli | 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.
One part is listed for the 1975 Fiat 124 — STANDARD MOTOR PRODUCTS MA407.
Distributor Rotor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | MA307 | 🇺🇸 US 🇨🇦 CA | Distributor Number S124AX, B, BX, S134B, BXvendor # Marelli | View on Amazon |
| LILAND GLOBAL | MA307LG | 🇺🇸 US 🇨🇦 CA | PremiumBlack Brass | View on Amazon |
| LILAND GLOBAL | MA308LG | 🇺🇸 US 🇨🇦 CA | PremiumBlack Brass | View on Amazon |
| STANDARD MOTOR PRODUCTS | DU313 | 🇺🇸 US 🇨🇦 CA | vendor # Ducellier | View on Amazon |
| STANDARD MOTOR PRODUCTS | MA308 | 🇺🇸 US 🇨🇦 CA | Distributor # S144B, S144CXvendor # Marelli | 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.
5 Distributor Rotor parts are listed for the 1975 Fiat 124, from STANDARD MOTOR PRODUCTS and LILAND GLOBAL. STANDARD MOTOR PRODUCTS MA307 carries the "Popular" badge.
Part numbers include STANDARD MOTOR PRODUCTS MA307, LILAND GLOBAL MA307LG and LILAND GLOBAL MA308LG, among others listed above.
Ignition Breaker Points
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET | 14939 | 🇺🇸 US 🇨🇦 CA | Vendor: Marelli | View on Amazon |
| STANDARD MOTOR PRODUCTS | MA3466 | 🇺🇸 US 🇨🇦 CA | with Vertical Distributor Cap Towersvendor # Marelli | View on Amazon |
| STANDARD MOTOR PRODUCTS | MA3465 | 🇺🇸 US 🇨🇦 CA | vendor # Marelliwith Horizontal Distributor Cap Towers | View on Amazon |
| WELLS | 4P1049 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the breaker points in a points-type distributor.
4 Ignition Breaker Points parts for the 1975 Fiat 124 come from 3 brands — STANDARD MOTOR PRODUCTS, FACET and WELLS.
This group includes FACET 14939, STANDARD MOTOR PRODUCTS MA3466 and STANDARD MOTOR PRODUCTS MA3465 and the remaining parts above.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Popular | C632 | 🇺🇸 US 🇨🇦 CA | Packwith External Resistor | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | UC15T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| FVP | UC15F | 🇺🇸 US 🇨🇦 CA | without External Resistor | View on Amazon |
| HOLSTEIN | 2IGC0058 | 🇺🇸 US 🇨🇦 CA | without External Resistor | View on Amazon |
| HOLSTEIN | 2IGC0146 | 🇺🇸 US 🇨🇦 CA | with External Resistor | View on Amazon |
| SKP | SKUF3T | 🇺🇸 US 🇨🇦 CA | Fits Coil Packor without External Resistor | View on Amazon |
| SPECTRA PREMIUM | C654 | 🇺🇸 US 🇨🇦 CA | Packwithout External Resistor | View on Amazon |
| WAI GLOBAL | CUF3 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 48863 | 🇺🇸 US 🇨🇦 CA | Internal Resistor CoilConnections May be Eyelet or Spade | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | UC15 | 🇺🇸 US 🇨🇦 CA | without External Resistor | View on Amazon |
| BOSCH | 9220081083 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | UF2 | 🇺🇸 US 🇨🇦 CA | with External Resistor | View on Amazon |
| UNITED MOTOR PRODUCTS | C2 | 🇺🇸 US 🇨🇦 CA | with External Resistor | View on Amazon |
| UNITED MOTOR PRODUCTS | C15 | 🇺🇸 US 🇨🇦 CA | without External Resistor | View on Amazon |
| WELLS | 5C1057 | 🇺🇸 US 🇨🇦 CA | Requires External Resistor: YES | View on Amazon |
| WELLS | 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.
16 Ignition Coil parts for the 1975 Fiat 124 come from 10 brands — STANDARD MOTOR PRODUCTS, SPECTRA PREMIUM, HOLSTEIN and 7 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: 8 parts, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, WELLS and 2 other brands. A representative part number is NGK 48863.
Ignition Conversion Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1A4162 | 🇺🇸 US 🇨🇦 CA | Marelli Distributor # S134, S144, S147, Lobe Sensor Module12 Volt | View on Amazon |
This table covers the Ignition Conversion kits.
One part is listed for the 1975 Fiat 124 — WELLS 1A4162.
Spark Plug
Summary: Notes include pre-set gaps of 0.024", 0.025", 0.03", 0.031", 0.032", 0.035", 0.036", 0.040", 0.041" and 0.044". Replacement brands in this table include NGK, CHAMPION and DENSO.
Copper / Nickel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular | 7900 | 🇺🇸 US 🇨🇦 CA | NickelPre-Set Gap: 0.031" | View on Amazon |
| CHAMPION Popular | 415 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| NGK Popular | 4008 | 🇺🇸 US 🇨🇦 CA | StandardPre-Set Gap: 0.032" | View on Amazon |
| ACDELCO | R42XLS | 🇺🇸 US 🇨🇦 CA | ProfessionalConventional | View on Amazon |
| CHAMPION | 300 | 🇺🇸 US 🇨🇦 CA | Copper PlusPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION | 4151 | 🇺🇸 US 🇨🇦 CA | Copper PlusClassification: Champion Copper Plus Small Engine | View on Amazon |
| DENSO | 3066 | 🇺🇸 US 🇨🇦 CA | U-Groove ConventionalHex Size: 20.6 mm | View on Amazon |
| NGK | 6427 | 🇺🇸 US 🇨🇦 CA | V-PowerPre-Set Gap: 0.032" | View on Amazon |
| NGK | 7131 | 🇺🇸 US 🇨🇦 CA | StandardPre-Set Gap: 0.036" | View on Amazon |
Double Platinum (lasts up to 3x longer than Copper / Nickel)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 41804 | 🇺🇸 US 🇨🇦 CA | ProfessionalDouble Platinum | View on Amazon |
| CHAMPION | 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 |
|---|---|---|---|---|
| NGK Popular | 6637 | 🇺🇸 US 🇨🇦 CA | Iridium IXPre-Set Gap: 0.032" | View on Amazon |
| CHAMPION | 9804 | 🇺🇸 US 🇨🇦 CA | IridiumPre-Set Gap: 0.03" | View on Amazon |
| DENSO | 5306 | 🇺🇸 US 🇨🇦 CA | Iridium PowerHex Size: 20.6 mm | View on Amazon |
| DENSO | 4709 | 🇺🇸 US 🇨🇦 CA | Iridium TTSolid Terminal | View on Amazon |
| SKP | 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 |
|---|---|---|---|---|
| NGK Popular | 7084 | 🇺🇸 US 🇨🇦 CA | G-PowerPre-Set Gap: 0.040" | View on Amazon |
| ACDELCO | 4 | 🇺🇸 US 🇨🇦 CA | ProfessionalRapidfire | View on Amazon |
| BOSCH | 6737 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire PlatinumPre-Set Gap: 0.035" | View on Amazon |
| DENSO | 4502 | 🇺🇸 US 🇨🇦 CA | Platinum TTSolid Terminal | View on Amazon |
| NGK | 6764 | 🇺🇸 US 🇨🇦 CA | Platinumuse Iridium #6637 | 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.
21 Spark Plug parts are listed for the 1975 Fiat 124, from NGK, CHAMPION, DENSO and 3 other brands. BOSCH 7900 carries the "Popular" badge.
In the Copper / Nickel grade, CHAMPION, NGK, BOSCH and 2 other brands supply 9 parts: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is BOSCH 7900.
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 5 options from DENSO, NGK, CHAMPION 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. NGK 6637 is listed in this group.
In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, NGK, ACDELCO, BOSCH and 1 other brand supply 5 parts: 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 NGK 7084.
Spark Plug Non-Fouler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 42004 | 🇺🇸 US 🇨🇦 CA | 14mm Gasket Seat Long Reach | View on Amazon |
This table covers the non-foulers that space a spark plug away from oil fouling.
This group shows a single part: DORMAN 42004.
Spark Plug Wire
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| B&B | S439433 | 🇺🇸 US 🇨🇦 CA | Suppressor Wire Set | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular | 52408 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| UNITED MOTOR PRODUCTS Popular | 9403 | 🇺🇸 US 🇨🇦 CA | SetUnited-Packard | View on Amazon |
| STANDARD MOTOR PRODUCTS | 7423 | 🇺🇸 US 🇨🇦 CA | SetStandard® Premium | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| B&B | M439433 | 🇺🇸 US 🇨🇦 CA | Platinum Class Laser Mag | View on Amazon |
| STANDARD MOTOR PRODUCTS | 27423 | 🇺🇸 US 🇨🇦 CA | Pro SeriesSet | View on Amazon |
| WALKER PRODUCTS | 9241021 | 🇺🇸 US 🇨🇦 CA | Direct FitSet | View on Amazon |
This table covers the Spark Plug wires.
7 Spark Plug Wire parts for the 1975 Fiat 124 come from 5 brands — B&B, STANDARD MOTOR PRODUCTS, NGK and 2 other brands. The "Popular" part is NGK 52408.
The Economy section: 1 option from B&B. B&B S439433 is listed in this group.
In the Premium grade, NGK, UNITED MOTOR PRODUCTS and STANDARD MOTOR PRODUCTS supply 3 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is NGK 52408.
Standard Replacement: 3 parts, from B&B, STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. A representative part number is B&B M439433.
Listed part numbers: NGK 52408, B&B S439433 and UNITED MOTOR PRODUCTS 9403, plus the other parts above.
Buying Ignition Parts for a 1975 Fiat 124
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- 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 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: Spark Plug and Ignition Coil .
Frequently Asked Questions
How many ignition parts fit the 1975 Fiat 124?
Our catalog currently lists 59 ignition parts for the 1975 Fiat 124 across 10 subcategories and 18 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1975 Fiat 124?
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 1975 Fiat 124?
Notes on this page include pre-set gaps of 0.024", 0.025", 0.03", 0.031", 0.032", 0.035", 0.036", 0.040", 0.041" and 0.044". 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 1975 Fiat 124 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 1975 Fiat 124?
Every part on this page is matched to the 1.8L L4 engine. 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 1975 Fiat 124
Ignition Parts for Other Fiat 124 Years
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