OEM Audi Q5 Spark Plugs Online
Spark Plug Wire
Audi
078-905-535-B
A6/S6. 2.8L, #5. A4. Cylinder 5.
$76.04
MSRP $108.32
Save $32.28
29.8% Off 
Spark Plug Wire
Audi
078-905-532-B
A6/S6. 2.8L, #2. A4. Cylinder 2.
$76.04
MSRP $108.32
Save $32.28
29.8% Off 
Spark Plug Wire
Audi
078-905-533-B
A6/S6. 2.8L, #3. A4. Cylinder 3.
$76.04
MSRP $108.32
Save $32.28
29.8% Off 
Spark Plug Tube Seal
Audi
079-103-649-C
Cylinder 5,6,7,8. From Chassis/VIN 42-8-000 851. To Chassis/VIN 4E-7-020 400. To Chassis/VIN 4L-7-108 000. From Chassis/VIN 8E-7-909 001.
$21.33
MSRP $32.32
Save $10.99
34% Off 
Spark Plug Tube Seal
Audi
0P2-103-649-E
Cylinder-5,6,7,8. SQ8. Cylinders 5-8. RS6 Avant. RS Q8. S8. RS7 Sportback. Left. A8 Quattro.
$25.16
MSRP $38.12
Save $12.96
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How Spark Plugs Keep Your Audi Q5 Engine Running Efficiently
Spark plugs ignite the air-fuel mixture that powers your Audi Q5’s engine. Over time, residue buildup or wear can cause misfires, poor fuel economy, and sluggish acceleration. Replacing them on schedule ensures optimal combustion and smooth performance on every drive.
When to Replace Spark Plugs
Your Audi Q5 typically requires new spark plugs every 30,000 to 60,000 miles depending on driving habits. While servicing the ignition system, check essential engine parts to maintain consistent performance and prevent potential misfires or emissions issues.
Common Symptoms of Bad Spark Plugs:
- Rough idling or difficulty starting.
- Reduced fuel efficiency.
- Sluggish acceleration under load.
- Increased exhaust emissions.
Tips for Spark Plug Maintenance:
- Use OEM plugs with the correct heat range and gap.
- Replace all plugs at the same time for balanced firing.
- Check ignition coils and wires for corrosion.
- Apply anti-seize compound sparingly on threads.
Related Ignition and Induction Parts:
- Ignition coil: Converts battery voltage into spark energy.
- Air filter: Keeps intake clean for better combustion.
- Fuel injector: Delivers precise fuel quantity to cylinders.
- Oxygen sensor: Monitors exhaust for fuel efficiency.
- Valve cover gasket: Prevents oil leaks near plug wells.
Ignite your Audi Q5’s true potential with premium spark plugs. Contact our team at Audi Parts Store for expert help and genuine ignition components.