This page lists 15 ignition parts for the 2015 Audi A5, across 4 part types, covering all 3 engine options (1.8L L4 Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Supercharged). Every part shows its brand, manufacturer part number and fitment notes.
The ignition system on the 2015 Audi A5 delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. The largest groups are Ignition Coil (6 parts), Camshaft Position Sensor (4 parts) and Spark Plug (3 parts). The other 1 part type covers the remaining 2 parts.
The 2015 Audi A5 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
8 brands supply ignition parts for the 2015 Audi A5, led by MARELLI (5 parts), WALKER PRODUCTS (3 parts) and ASTEMO / HITACHI (2 parts), plus 5 more brands. Quality grades include Standard Replacement, Premium and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2015 Audi A5. 2 parts have it, including HOLSTEIN 2IGC0035 (Ignition Coil) and ASTEMO / HITACHI IGC4052 (Ignition Coil). Each part number opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI Fits: 1.8L L4 Turbocharged | SAC120 | 🇲🇽 MX | View on Amazon | |
| NTK Fits: 1.8L L4 Turbocharged | EC0259 | 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: 1.8L L4 Turbocharged | 2352067 | 🇲🇽 MX | Sensor OnlyConnector Shape: Oval | View on Amazon |
| WELLS Fits: 1.8L L4 Turbocharged | 5S14774 | 🇲🇽 MX | 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.
4 Camshaft Position Sensor parts for the 2015 Audi A5 come from 4 brands — MARELLI, NTK, WALKER PRODUCTS and 1 other brand.
Listed part numbers: MARELLI SAC120, NTK EC0259 and WALKER PRODUCTS 2352067, plus the other parts above.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI Fits: 1.8L L4 Turbocharged | SAG243 | 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: 1.8L L4 Turbocharged | 2351589 | 🇲🇽 MX | Sensor Only | 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 for the 2015 Audi A5 come from 2 brands — MARELLI and WALKER PRODUCTS.
This group includes MARELLI SAG243 and WALKER PRODUCTS 2351589.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Popular Fits: 1.8L L4 Turbocharged | 2IGC0035 | 🇲🇽 MX | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ASTEMO / HITACHI Popular Fits: 1.8L L4 Turbocharged | IGC4052 | 🇲🇽 MX | To 05/04/2015 | View on Amazon |
| ASTEMO / HITACHI Fits: 1.8L L4 Turbocharged | IGC4072S | 🇲🇽 MX | Mounting Position: Coil On PlugTo 05/04/2015 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI Fits: 1.8L L4 Turbocharged | BAEQ241 | 🇲🇽 MX | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: 1.8L L4 Turbocharged | COP409 | 🇲🇽 MX | Mount Type: PLUG-IN | View on Amazon |
| WALKER PRODUCTS Fits: 1.8L 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.
6 Ignition Coil parts for the 2015 Audi A5 come from 5 brands — ASTEMO / HITACHI, HOLSTEIN, MARELLI and 2 other brands. The "Popular" part is HOLSTEIN 2IGC0035.
The Economy section lists 1 option from HOLSTEIN — the catalog's value-priced group. HOLSTEIN 2IGC0035 is listed in this group.
In the Premium grade, ASTEMO / HITACHI supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is ASTEMO / HITACHI IGC4052.
In the Standard Replacement grade, MARELLI, UNITED MOTOR PRODUCTS and WALKER PRODUCTS supply 3 parts: built to original-equipment specification. A representative part number is MARELLI BAEQ241.
Listed part numbers: HOLSTEIN 2IGC0035, ASTEMO / HITACHI IGC4052 and ASTEMO / HITACHI IGC4072S, plus the other parts above.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI Fits: 1.8L L4 Turbocharged | SIB71068 | 🇲🇽 MX | View on Amazon | |
| MARELLI Fits: 1.8L L4 Turbocharged | SPB80378 | 🇲🇽 MX | View on Amazon | |
| NGK Fits: 1.8L L4 Turbocharged | 94833 | 🇲🇽 MX | Laser PlatinumPre-Set Gap: 0.032" | 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.
3 Spark Plug parts are listed for the 2015 Audi A5, from MARELLI and NGK.
Listed part numbers: MARELLI SIB71068, MARELLI SPB80378 and NGK 94833.
Buying Ignition Parts for a 2015 Audi A5
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 Camshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2015 Audi A5?
Our catalog currently lists 15 ignition parts for the 2015 Audi A5 across 4 subcategories and 8 brands, covering all 3 engine options (1.8L L4 Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Supercharged). Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2015 Audi A5 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 2015 Audi A5?
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 2015 Audi A5?
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 2015 Audi A5 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 2015 Audi A5?
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 2015 Audi A5
Ignition Parts for Other Audi A5 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.