OEM Audi Engine Parts Online
Engine Crankcase Vent Valve Seal
Audi
079-103-161-Q
Fits A8, RS7, RS7 Sportback, S6, S7, S7 Sportback, S8
Audi Gasket.
$12.75
MSRP $19.32
Save $6.57
34% Off 
Engine Variable Valve Timing (Vvt) Oil Control Valve
Audi
06L-109-257-H
From 06/13/2016. A4 allroad. Q3. A5. Q5 PHEV. To 12/17/2018. From 12/17/2018. A6. From 06/14/2016. A7 Sportback.
$112.31
MSRP $159.98
Save $47.67
29.8% Off 
Engine Oil Pump Relief Valve
Audi
06M-103-175-C
Check valve. Oil filter hsng,valve assy. 4.0L. 2.9L. 2020-24. 3.0L 3.0L plug-in hybrid. Coupe, 3.0L. Convertible, 3.0L.
$36.30
MSRP $50.00
Save $13.70
27.4% Off 
Engine Oil Pump Relief Valve
Audi
06H-103-156
Without hybrid. 2.0L 2009-15 with awd, TT. 2.0L gas 2009-13. Coupe, 2.0L.
$17.94
MSRP $27.18
Save $9.24
34% Off 
Engine Valve Stem Oil Seal
Audi
027-109-675
From 07/1994. 7mm. A6/S6. A4. From 09/94. 7mm. Cabriolet.
$14.90
MSRP $22.58
Save $7.68
34% Off 
Engine Valve Stem Oil Seal
Audi
06L-109-675-D
SOLD INDIVIDUALY
$12.51
MSRP $18.95
Save $6.44
34% Off 
Engine Crankcase Vent Valve Seal
Audi
06E-133-148-A
To Chassis/VIN 4F-6-192 000. To Chassis/VIN 8E-6-285 000.
$14.77
MSRP $22.38
Save $7.61
34% Off 
Control Valve
Audi
06Q-109-257-G
A5. Engine code dpaa. Q5 Sportback. S3. A6 Quattro.
$76.97
MSRP $109.65
Save $32.68
29.8% Off 
Control Valve
Audi
06N-109-257
Q5 PHEV. A5. Engine code dmsa. A3.
$49.60
MSRP $68.32
Save $18.72
27.4% Off 
Coolant Valve Assembly
Audi
079-121-678-K
Thermo-Pneumatic Valve. Incl.Gasket,Housing and Thermostat. 4.0L, primary. 4.0L, main, return. Without RS7, main, return. With RS7,...
$217.62
MSRP $309.99
Save $92.37
29.8% Off 
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Keep Your Audi's Engine Running Smooth with OEM Parts
Maintaining engine performance in your Audi requires parts tailored for your model’s exact specs. Whether you drive an Audi RS5, A6, or any other Audi, the following parts in your engine require the most investment in terms of maintenance.
Key Engine Parts That Need Special Attention
- Piston: Converts fuel into motion; critical for power.
- Valves: Controls airflow in and out of the combustion chamber.
- Valve Cover: Protects the top of the engine and prevents oil leaks.
- Camshaft: Coordinates valve timing for optimal combustion.
Five Most Iconic Audi Engines
- 2.5L Inline-5 Turbo – Known for powering the RS3 and TT RS with rally heritage.
- 4.2L V8 – A naturally aspirated icon found in older RS4 and RS5 models.
- 3.0L V6 TFSI – A supercharged engine used in S4 and A6 Quattro models.
- 5.2L V10 – Shared with Lamborghini, found in the Audi R8 and S6/S8.
- 2.0L TFSI – A balance of efficiency and performance used across the lineup.
Underrated Tips to Maintain Your Engine
1. Use High-Quality Synthetic Oil.
This reduces wear and keeps internal parts cleaner.
2. Replace the Oil Filter Regularly.
Dirty filters reduce flow and protection—always opt for OEM oil filters.
3. Keep Up With Spark Plug Intervals.
Worn plugs lead to misfires and poor fuel economy.
4. Keep The Engine Bay Clean
A clean engine bay makes it easier to spot issues early.
Shop here at Audi Parts Store to enjoy exclusive discounts on all parts. Contact us today for reliable support from our parts team.