D4/D4.5 4.0T performance parts
Parts on this page are matched to the Audi A8 and S8 2010-2018 with the 4.0T engine on the D4 and D4.5 platform. Categories covered include cooling, engine, suspension, fueling, brakes, silicone hoses, endlinks, and lowering links.
Other parts (1)
Cooling (5)
Drivetrain (3)
Engine (17)
Exterior (1)
Inserts (3)
Interior (1)
Maintenance (3)
Suspension (13)
Tuning (1)
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Questions about these parts
Will these parts fit my car?
Every part on this page is matched to this vehicle. Where a part also fits other models, the product page says so. If you are unsure, choose your car or contact us and we will check for you.
How do I know which version I need?
Choose your car and the page shows only the parts that fit. Each product page also lists the engine and drivetrain versions it fits.
Can I install these myself?
Each product page lists what you need to install it, and our support team can help if you get stuck.
What is your return policy?
You have 30 days from delivery to return unused parts in their original packaging. A 25% restocking fee applies, and custom or special-order parts are final sale.