This page lists 10 ignition parts for the 2020 Alfa Romeo 4C, across 4 part types, covering the 1.7L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
The ignition system on the 2020 Alfa Romeo 4C delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Ignition Coil (4 parts), Crankshaft Position Sensor (3 parts) and Camshaft Position Sensor (2 parts). The other 1 part type covers the remaining 1 part.
The 2020 Alfa Romeo 4C came with a single engine, the 1.7L L4 Turbocharged, and every part is verified against it.
4 brands supply ignition parts for the 2020 Alfa Romeo 4C, led by WALKER PRODUCTS (3 parts), WELLS (3 parts) and STANDARD MOTOR PRODUCTS (2 parts), plus 1 more brand.
Each part number listed for the 2020 Alfa Romeo 4C opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 2352264 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S16973 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report camshaft position to the ECU. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
2 Camshaft Position Sensor parts for the 2020 Alfa Romeo 4C come from 2 brands — WALKER PRODUCTS and WELLS.
This group includes WALKER PRODUCTS 2352264 and WELLS 5S16973.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | PC1250 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2351905 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S16971 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
3 Crankshaft Position Sensor parts for the 2020 Alfa Romeo 4C come from 3 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS PC1250, WALKER PRODUCTS 2351905 and WELLS 5S16971.
Ignition Coil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 0221504026 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | UF888 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 9212412 | 🇺🇸 US 🇨🇦 CA | Single Coil | View on Amazon |
| WELLS | 5C2374 | 🇺🇸 US 🇨🇦 CA | 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.
4 Ignition Coil parts for the 2020 Alfa Romeo 4C come from 4 brands — BOSCH, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 1 other brand.
This group includes BOSCH 0221504026, STANDARD MOTOR PRODUCTS UF888 and WALKER PRODUCTS 9212412 and the remaining parts above.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 96318 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double IridiumPre-Set Gap: 0.023" | 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.
One part is listed for the 2020 Alfa Romeo 4C — BOSCH 96318.
Buying Ignition Parts for a 2020 Alfa Romeo 4C
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 1.7L L4 Turbocharged 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: Ignition Coil and Crankshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2020 Alfa Romeo 4C?
Our catalog currently lists 10 ignition parts for the 2020 Alfa Romeo 4C across 4 subcategories and 4 brands, covering the 1.7L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2020 Alfa Romeo 4C?
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 2020 Alfa Romeo 4C?
Notes on this page include a 0.023" pre-set gap. 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 2020 Alfa Romeo 4C 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 2020 Alfa Romeo 4C?
Every part on this page is matched to the 1.7L L4 Turbocharged 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 2020 Alfa Romeo 4C
Ignition Parts for Other Alfa Romeo 4C 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.