Located between the PCV Valve (oil separator) and the valve cover
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Audi Oil Separator Parts
Located underneath the PVC vent box
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Resolve rough idle, eliminate whistling engine noises, and cure excessive oil consumption on your Gen-3 TSI engine.
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Cure high-pitched whistling noises, resolve rough idling, and eliminate massive oil consumption on your twin-turbo 4.0T V8 engine.
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Direct OE replacement crankcase breather to cure rough idle, oil consumption, and whistling noises on your 1.8T or 2.0T EA888 Gen3.
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For vehicles with CYMC engine code only
Located beneath the supercharger compressor
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Also known as the "PCV". Located on the valve cover
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Seals the crankcase breather to the engine block
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-25-2026
Restore your emissions hoses and clear codes
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This product was last offered at the strikethrough price on
05-02-2026
Also called the "breather valve" or "oil separator"
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Direct OE replacement crankcase breather to cure rough idle, whistling noises, and excessive oil consumption on your late-model 2.0T B-Cycle engine.
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For Vehicles with engine codes DAYB, DJYA
Commonly called 'PCV' or 'Oil Separator' - Located in the valley between the cylinder heads
This product was last offered at the strikethrough price on
05-07-2026
With an integrated oil separator
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Engine code AWM