8 Ignition parts are listed for the 2021 Audi A1, in 5 part types, covering all 3 engine options (1.5L L4 Turbocharged, 2.0L L4 Turbocharged and 999cc L3 Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Audi A1, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 6 parts of the 8 listed are Camshaft Position Sensor (2 parts), Crankshaft Position Sensor (2 parts) and Ignition Coil (2 parts). The other 2 part types cover the remaining 2 parts.
The 2021 Audi A1 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2021 Audi A1 ignition parts are WALKER PRODUCTS (5 parts), HOLSTEIN (1 part) and NGK (1 part), plus 1 more brand. Quality grades include Economy and Standard Replacement.
Each part number listed for the 2021 Audi A1 opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: 1.5L L4 Turbocharged | 2352065 | 🇲🇽 MX | Sensor OnlyConnector Shape: Oval | View on Amazon |
| WALKER PRODUCTS Fits: 999cc L3 Turbocharged | 2352067 | 🇲🇽 MX | Sensor OnlyConnector Shape: Oval | 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.
WALKER PRODUCTS supplies both parts for the 2021 Audi A1.
Listed part numbers: WALKER PRODUCTS 2352065 and WALKER PRODUCTS 2352067.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: 1.5L L4 Turbocharged, 999cc L3 Turbocharged | 2CRK0614 | 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: 1.5L L4 Turbocharged, 999cc L3 Turbocharged | 2352134 | 🇲🇽 MX | Sensor OnlyColor: Gray | 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.
2 Crankshaft Position Sensor parts are listed for the 2021 Audi A1, from HOLSTEIN and WALKER PRODUCTS.
In the Economy grade, HOLSTEIN supplies 1 part: the catalog's value-priced group. A representative part number is HOLSTEIN 2CRK0614.
The Standard Replacement section lists 1 option from WALKER PRODUCTS — built to original-equipment specification. WALKER PRODUCTS 2352134 is listed in this group.
This group includes HOLSTEIN 2CRK0614 and WALKER PRODUCTS 2352134.
Ignition Coil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: 1.5L L4 Turbocharged | 9212535 | 🇲🇽 MX | EldorTo 03/22/2021 | View on Amazon |
| WALKER PRODUCTS Fits: 2.0L L4 Turbocharged | 9212313 | 🇲🇽 MX | Single 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.
WALKER PRODUCTS supplies both parts for the 2021 Audi A1.
This group includes WALKER PRODUCTS 9212535 and WALKER PRODUCTS 9212313.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Fits: 999cc L3 Turbocharged | 94224 | 🇲🇽 MX | Laser Iridium | 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.
This group shows a single part: NGK 94224.
Spark Plug Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 2.0L L4 Turbocharged | 380150 | 🇲🇽 MX | Inner Diameter [MM]: 21Material: Ethylene Acrylic Elastomer (AEM) | View on Amazon |
This table covers the seals at the Spark Plug Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2021 Audi A1 — ELRING 380150.
Buying Ignition Parts for a 2021 Audi A1
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: Camshaft Position Sensor and Crankshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2021 Audi A1?
Our catalog currently lists 8 ignition parts for the 2021 Audi A1 across 5 subcategories and 4 brands, covering all 3 engine options (1.5L L4 Turbocharged, 2.0L L4 Turbocharged and 999cc L3 Turbocharged). Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2021 Audi A1 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 2021 Audi A1?
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 2021 Audi A1?
Notes on this page include a 0.032" 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 2021 Audi A1 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 2021 Audi A1?
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 2021 Audi A1
Ignition Parts for Other Audi A1 Years
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