Exhaust Fluid injector 3C0131113C for Audi Q5 Q7 A6 A8 Volkswagen Touareg Passat 2010-2015
This fuel injector is engineered as a direct replacement for the Audi Q5 Q7 A6 A8 Volkswagen Touareg Passat 2010-2015. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Audi Q5 Q7 A6 A8 | See product specifications |
| Audi Q7 3.0 V6 DIESEL FI 2967cc, 2010 | 2015 |
| Volkswagen Touareg 3.0 V6 DIESEL FI 2967cc, 2010 | 2015 |
| Volkswagen Passat 2.0 L4 DIESEL FI 1968cc, 2012 | 2014Porsche Cayenne 3.0 V6 DIESEL FI 2967cc, 2013 – 2015 |
| Audi A8 Quattro 3.0 V6 DIESEL FI 2967cc, 2014 | 2015 |
| Audi Q5 3.0 V6 2967cc, 2014 | 2015 |
| Audi A6 Quattro 3.0 V6 DIESEL FI 2967cc, 2014 | 2015 |
| Audi A7 Quattro 3.0 V6 DIESEL FI 2967cc, 2014 | 2015 |
Replaces OEM Part Numbers
3C0131113C • A004901013 • DFI1007 • 18307807206 • 0444021046 • 0444021013 • 2010-2015
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injectors & nozzle may be the cause:
- Rough idle or misfire — Uneven fuel delivery from a worn injector causes the engine to shake at idle. On engines, this is often accompanied by a knocking sound under load.
- Black or white exhaust smoke — Black smoke means excess fuel; white smoke indicates incomplete combustion. Both point to injector spray pattern degradation.
- Loss of engine power — A single failing injector reduces cylinder output. Multi-cylinder engines lose noticeable power when one injector flows less than the rest.
- Increased fuel consumption — Poor atomization means the engine burns more fuel to produce the same power. Monitor your fuel burn rate as an early warning sign.
- Hard starting or no start — If the injector doesn’t deliver fuel on cranking, the cylinder won’t fire. This is especially common in cold weather with worn nozzles.
- Fuel in engine oil (dilution) — Fuel leaking past the injector seat seal contaminates the crankcase oil. If the oil level rises or smells of diesel, inspect the injectors immediately.
Replace as a Set
Replace all injectors as a set whenever possible. On engines, mixing old and new injectors creates uneven fuel delivery — the new injectors compensate for the worn ones, shortening their life. When installing, use new copper sealing washers and torque to the specification in the service manual. After installation, run the engine at idle for 5 minutes to bleed air from the fuel system, then check for leaks at each injector connection before putting the machine under load.
Frequently Asked Questions
Which Audi models does this part fit?
Refer to the Vehicle Compatibility table above for the full list of Audi models. Each listing includes the body type, engine, and production years. Match your vehicle’s engine code (stamped on the engine block) against the listed codes to confirm.
Can I cross-reference 3C0131113C with A004901013?
Yes. Both 3C0131113C and A004901013 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My vehicle is a 2010 model – is it covered?
The compatibility range for this part includes 2010-2015. The 2010 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
What are the common failure signs on a Audi engine?
On Audi engines, watch for black exhaust smoke under load, rough idle, misfire codes (P0300 series), and loss of power. A single failing injector can reduce engine output by up to 25%. If you notice fuel in the engine oil, the injector seat seal is likely compromised.
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