Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi D5 A8 Quattro 4.0T

Audi D5 A8 Quattro 4.0T Engine Parts & Accessories

Sort By
Filter By
Return to Top
ES#4770460 - 8W0121251H - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4770460
Mfg#:
8W0121251H
Ships in 6 Business Days
$380.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4715600 - 01-408-02039-7 - Weistec Audi 4.0L TFSI W.3 Turbo Upgrade - Astonishing gains up to 800 WHP! 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. - Weistec - Audi

Astonishing gains up to 800 WHP! 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
You are required to ship Weistec your OE turbochargers as a core.

Brand:
Weistec - Corporate Logo
ES#:
4715600
Mfg#:
01-408-02039-7
Ships in 1 Business Day
$3099.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4715376 - 05-408-00191-8KT - Audi 4.0 TFSI S6/S7 W.1 ECU Tune - E85 - Increase of +134 Horsepower, and +215 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - Audi

Increase of +134 Horsepower, and +215 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicle's equipped to run E85 Fuel

Brand:
Weistec - Corporate Logo
ES#:
4715376
Mfg#:
05-408-00191-8KT
Ships on Jul 21, 2026
$1899.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4715377 - 05-408-00192-9KT - Audi 4.0 TFSI S6/S7 W.2 ECU Tune - E85 - Increase of +149 Horsepower, and +240 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - Audi

Increase of +149 Horsepower, and +240 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicle's equipped to run E85 Fuel

Brand:
Weistec - Corporate Logo
ES#:
4715377
Mfg#:
05-408-00192-9KT
Ships on Jul 21, 2026
$2099.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4715370 - 05-408-00140-2KT - Audi 4.0 TFSI S6/S7 W.2 ECU Tune - Increase of +141 Horsepower, and +192 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - Audi

Increase of +141 Horsepower, and +192 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Weistec - Corporate Logo
ES#:
4715370
Mfg#:
05-408-00140-2KT
Ships on Jul 21, 2026
$2099.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4715369 - 05-408-00139-0KT - Audi 4.0 TFSI S6/S7 W.1 ECU Tune - Increase of +121 Horsepower, and +172 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - Audi

Increase of +121 Horsepower, and +172 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Weistec - Corporate Logo
ES#:
4715369
Mfg#:
05-408-00139-0KT
Ships on Jul 21, 2026
$1899.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fix leaks and keep your cooling system efficient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magneti Marelli - Corporate Logo
ES#:
4839714
Mfg#:
8W0121251H
In Stock at Vendor
$484.99

This product was last offered at the strikethrough price on
05-02-2026

$456.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded 4.5 Bar MAP sensors that allow your Audi EA824 4.0T to accurately read and manage higher boost pressures for extreme performance tuning. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477618
Mfg#:
TGK-0303-01
Ships in 5 Business Days
$29.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgraded 4.5 Bar MAP sensors that allow your Audi EA824 4.0T to accurately read and manage higher boost pressures for extreme performance tuning. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477619
Mfg#:
TGK-0303-02
Ships in 5 Business Days
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A CNC-machined billet aluminum oil fill port for your Audi 4.0T that replaces the flimsy factory plastic and features an integrated 1/8" NPT port to easily monitor real-time crankcase pressure. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477634
Mfg#:
TGK-0305-13
Ships in 5 Business Days
$249.99 USD
Free Shipping
ES#4828226 - 06m906036aqKT - Fuel Injectors - Set Of Eight  - Includes all 8 injectors - Genuine Volkswagen Audi - Audi

Includes all 8 injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4828226
Mfg#:
06M906036AQKT
Ships in 1-2 days
$2220.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fix leaks and keep your cooling system efficient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3180924
Mfg#:
8W0121251H
Ships in 2 Business Days
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$593.99

This product was last offered at the strikethrough price on
06-27-2026

$542.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Maintain the integrity of the original design. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648634
Mfg#:
06M109088K
Ships in 1-2 days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$496.99

This product was last offered at the strikethrough price on
02-26-2026

$462.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep clean air running through your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Micronair - Corporate Logo
ES#:
4845825
Mfg#:
4N0129620C
Ships in 1-2 days
$55.99

This product was last offered at the strikethrough price on
05-07-2026

$54.99 USD
Free Shipping
on orders $49 and up

Maintain the integrity of the original design. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648632
Mfg#:
06M109087K
Special Order: No Guaranteed ETA
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$496.99

This product was last offered at the strikethrough price on
02-26-2026

$462.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plugs Directly Into OEM Harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
The Turbo Engineers - Corporate Logo
ES#:
5457585
Mfg#:
TTE10537
Ships on Jul 15, 2026
$448.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings