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Audi D4 S8 Quattro 4.0T Engine Parts & Accessories

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Upgraded Piston Diverter Valve 06H145710D

ES#4818482 - 06H145710D - Upgraded Piston Diverter Valve 06H145710D - Upgrade to an OE-quality superior piston style diverter valve to avoid costly boost leaks - Bremmen Parts - Audi Volkswagen

Upgrade to an OE-quality superior piston style diverter valve to avoid costly boost leaks 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818482
Mfg#:
06H145710D
In Stock
ON SALE!
$47.99

This product was last offered at the strikethrough price on
06-10-2026

$44.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Spark Plug - Priced Each

ES#3181830 - 06K905601M - Performance Spark Plug - Priced Each - OE upgrade spark plug originally found in the Audi RS7/RS3. NGK OE# 06K905601M - Genuine Volkswagen Audi - Audi Volkswagen

OE upgrade spark plug originally found in the Audi RS7/RS3. NGK OE# 06K905601M

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181830
Mfg#:
06K905601M
In Stock
9% off MSRP

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

$27.49

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug

ES#3187653 - 001196ECS01-01 - Magnetic Oil Drain Plug - Capture harmful particles to prevent wear. M14x1.5. Includes washer. - ECS - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5. Includes washer. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3187653
Mfg#:
001196ECS01-01
In Stock
ON SALE! SAVE 25%
$28.99

This product was last offered at the strikethrough price on
06-13-2026

$21.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plug - Priced Each

ES#4616174 - Z1003100 - APR Iridium Pro Spark Plug - Priced Each - An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 - APR - Audi Volkswagen Porsche

An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4616174
Mfg#:
Z1003100
Back Ordered
11% off MSRP

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

$35.94

This product was last offered at the strikethrough price on
09-18-2026

$31.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475462 - 06K905601MKT4 - Performance Ignition Service Kit - Includes eight OE spark plugs and eight APR coil packs. - Assembled By ECS - Audi

Includes eight OE spark plugs and eight APR coil packs. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475462
Mfg#:
06K905601MKT4
Ships in 1-2 days
$628.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - With 10 Aluminum Washers

ES#3187654 - 001196ECS01-02 - Magnetic Oil Drain Plug - With 10 Aluminum Washers - Capture harmful particles to prevent wear. M14x1.5 - ECS - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3187654
Mfg#:
001196ECS01-02
In Stock
ON SALE! SAVE 25%
$30.99

This product was last offered at the strikethrough price on
06-13-2026

$23.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

D4 4.0T Upgraded Turbo Inlets

ES#4849833 - 037968la01KT - D4 4.0T Upgraded Turbo Inlets - Upgrade your A8 with a true dual inlet setup! Engineered for increased airflow and less restriction. - ECS - Audi

Upgrade your A8 with a true dual inlet setup! Engineered for increased airflow and less restriction. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4849833
Mfg#:
037968LA01KT
In Stock
ON SALE! SAVE 15%
$319.99

This product was last offered at the strikethrough price on
06-13-2026

$271.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMS Pedal Tuner

ES#3998870 - BPT-VA1 - BMS Pedal Tuner - Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience! - Burger Motorsports - Audi Volkswagen

Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience!

Brand:
Burger Motorsports - Corporate Logo
ES#:
3998870
Mfg#:
BPT-VA1
In Stock
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Iridium Racing Spark Plugs - Priced Each

ES#4146805 - 5749 - Iridium Racing Spark Plugs - Priced Each - Upgraded spark plug originally found in the Audi RS7/RS3. 14X26.5X16mm - Heat Range 24 (SKU: IKH01-24) - Denso - Audi Volkswagen

Upgraded spark plug originally found in the Audi RS7/RS3. 14X26.5X16mm - Heat Range 24 (SKU: IKH01-24)

Brand:
Denso - Corporate Logo
ES#:
4146805
Mfg#:
5749
In Stock
$52.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi 4.0T Silicone Turbo Outlet / Throttle Body Inlet Hose Set

ES#4414220 - 036779LA01 - Audi 4.0T Silicone Turbo Outlet / Throttle Body Inlet Hose Set - Replace the factory rubber turbo outlet hoses with our in-house engineered 4-ply reinforced silicone hose set - ECS - Audi

Replace the factory rubber turbo outlet hoses with our in-house engineered 4-ply reinforced silicone hose set 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4414220
Mfg#:
036779LA01
In Stock
ON SALE! SAVE 25%
$65.99

This product was last offered at the strikethrough price on
06-13-2026

$49.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Insert

ES#2864605 - 034-509-4014 - Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi Porsche

This billet aluminum insert is designed to fill the large void in the factory transmission mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864605
Mfg#:
034-509-4014
In Stock
$89.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

0w-30 Top Tec 4210 Synthetic Engine Oil - 1 Liter

ES#4339885 - 22156 - 0w-30 Top Tec 4210 Synthetic Engine Oil - 1 Liter - Fully synthetic, low-viscosity and low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen Porsche

Fully synthetic, low-viscosity and low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4339885
Mfg#:
22156
In Stock
36% off MSRP

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

$20.99

This product was last offered at the strikethrough price on
09-18-2026

$13.37 USD
Free Shipping
on orders $49 and up

Iridium Racing Spark Plugs - Priced Each

ES#4765800 - IKH01-27 - Iridium Racing Spark Plugs - Priced Each - An excellent upgrade for tuned engines. 14X26.5X16mm (Denso #: 5750) - Denso - Audi Volkswagen Porsche

An excellent upgrade for tuned engines. 14X26.5X16mm (Denso #: 5750) For Race Use Only - Colder iridium plug for performance - Heat Range: 27. Commonly used on Stage 3 4.0T Engines.

Brand:
Denso - Corporate Logo
ES#:
4765800
Mfg#:
IKH01-27
In Stock
$54.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JB4 Bluetooth Wireless Connect Kit - Pinned Power Wire

ES#3514868 - JB4-SPWCK-F - JB4 Bluetooth Wireless Connect Kit - Pinned Power Wire - Wirelessly connect your JB4 to your phone! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz

Wirelessly connect your JB4 to your phone! For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514868
Mfg#:
JB4-SPWCK-F
In Stock
$159.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TTE RS C7 4.0TFSI Race Upgraded Turbochargers

ES#4630657 - TTE10359 - TTE RS C7 4.0TFSI Race Upgraded Turbochargers - Designed to put out over 700HP! - The Turbo Engineers - Audi

Designed to put out over 700HP! Custom tuning software required after install

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630657
Mfg#:
TTE10359
Ships on Oct 6, 2026
$5599.00 USD
This product is lifetime replacement eligible Lifetime Replacement

4.0T Stage 1 Turbocharger Upgrade

ES#4685288 - CTS-TR-0410 - 4.0T Stage 1 Turbocharger Upgrade - Features a larger compressor wheel for a power capability of 780+ hp! - CTS - Audi

Features a larger compressor wheel for a power capability of 780+ hp! Custom tuning software required after install

Brand:
CTS - Corporate Logo
ES#:
4685288
Mfg#:
CTS-TR-0410
Ships in 7 Business Days
$1799.99 USD
Free Shipping

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.

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