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Audi C8 RS 6 Quattro 4.0T

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Audi C8 RS 6 Quattro 4.0T Engine Parts & Accessories

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APR Upgraded Ignition Coil (MS100192) - Red - Priced Each

ES#4030590 - MS100192 - APR Upgraded Ignition Coil (MS100192) - Red - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen Porsche

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4030590
Mfg#:
MS100192
EO#:
D-783-5
In Stock
12% off MSRP

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

$59.95

This product was last offered at the strikethrough price on
08-29-2026

$52.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Gen 3 Red Performance Ignition Coil - Priced Each

ES#4630028 - 002540LCA01 - ECS Gen 3 Red Performance Ignition Coil - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4630028
Mfg#:
002540LCA01
In Stock
ON SALE! SAVE 20%
$46.99

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

$37.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Top Tec 4210 Synthetic Engine Oil (0w-30) - 5 Liter

ES#4339884 - 22158 - Top Tec 4210 Synthetic Engine Oil (0w-30) - 5 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#:
4339884
Mfg#:
22158
In Stock
37% off MSRP

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

$100.99

This product was last offered at the strikethrough price on
08-29-2026

$63.59 USD
Free Shipping
on orders $49 and up

Upgraded diverter Valve 06H145710D with hardware

ES#2823251 - 06H145710Dkt4 - Upgraded diverter Valve 06H145710D with hardware - Upgrade to the piston style diverter valve with installation hardware - Assembled By ECS - Audi Volkswagen

Upgrade to the piston style diverter valve with installation hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2823251
Mfg#:
06H145710DKT4
In Stock
ON SALE!
$59.99

This product was last offered at the strikethrough price on
07-28-2026

$54.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

C8 RS6 / RS7 "Kohlefaser Luft-Technik" Intake System

ES#4708514 - 026620la01KT - C8 RS6 / RS7 "Kohlefaser Luft-Technik" Intake System - Featuring dual cone filters, carbon fiber shroud and carbon fiber turbo inlets for superior air flow and aesthetics. - ECS - Audi

Featuring dual cone filters, carbon fiber shroud and carbon fiber turbo inlets for superior air flow and aesthetics. 10X Entries Into Our F80 M3 Sweepstakes
For 2021 & 2022 MY Vehicles Only

Brand:
ECS - Corporate Logo
ES#:
4708514
Mfg#:
026620LA01KT
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$1976.99

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

$1482.74 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR Carbon Fiber Intake System

ES#4608728 - CI100050 - APR Carbon Fiber Intake System - +47 AWHP & +38 AWFT-LBS at the wheels measured over stock! - APR - Audi

+47 AWHP & +38 AWFT-LBS at the wheels measured over stock! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4608728
Mfg#:
CI100050
In Stock
11% off MSRP

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

$1968.99

This product was last offered at the strikethrough price on
08-29-2026

$1749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Piston Diverter Valve 06H145710D

ES#1831851 - 06H145710D - Upgraded Piston Diverter Valve 06H145710D - Upgrade to a superior piston style diverter valve to avoid costly boost leaks - Pierburg - Audi Volkswagen

Upgrade to a superior piston style diverter valve to avoid costly boost leaks

Brand:
Pierburg - Corporate Logo
ES#:
1831851
Mfg#:
06H145710D
In Stock
43% off MSRP

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

$110.00

This product was last offered at the strikethrough price on
08-29-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

Keep your car working like new with new Genuine belts, tensioners, and hardware.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5426297
Mfg#:
057903133AJKT
Ships in 4 Business Days
$528.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Res-X Resonator Delete - C8 RS6/RS7 4.0TT

ES#4674690 - 034-105-7055 - Res-X Resonator Delete - C8 RS6/RS7 4.0TT - Unleash a throaty growl under hard acceleration! - 034Motorsport - Audi

Unleash a throaty growl under hard acceleration! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4674690
Mfg#:
034-105-7055
Ships in 2 Business Days
ON SALE! SAVE 14%
$1379.00

This product was last offered at the strikethrough price on
08-17-2026

$1179.05 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

C8 RS6 / RS7 Race Cat-Back Exhaust System

ES#4841927 - 044165la07KT - C8 RS6 / RS7 Race Cat-Back Exhaust System - Pure sound, unrestricted flow, and maximum performance! The ULTIMATE exhaust upgrade for your 4.0T! - ECS - Audi

Pure sound, unrestricted flow, and maximum performance! The ULTIMATE exhaust upgrade for your 4.0T! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4841927
Mfg#:
044165LA07KT
In Stock
ON SALE! SAVE 10%
$2288.99

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

$2060.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit 0w-30

ES#4680251 - 22158KT - Oil Service Kit 0w-30 - Includes Top Tech 4210 0w-30 504/507 Synthetic Engine Oil and filter. - Assembled By ECS - Audi

Includes Top Tech 4210 0w-30 504/507 Synthetic Engine Oil and filter. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4680251
Mfg#:
22158KT
In Stock
ON SALE!
$158.99

This product was last offered at the strikethrough price on
08-19-2026

$153.31 USD
Free Shipping
on orders $49 and up

APR Iridium Pro Spark Plugs - Priced Each

ES#4905500 - Z1004081 - APR Iridium Pro Spark Plugs - Priced Each - Designed for high performance / tuned vehicle applications - APR - Audi Porsche

Designed for high performance / tuned vehicle applications Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4905500
Mfg#:
Z1004081
In Stock
13% off MSRP

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

$30.99

This product was last offered at the strikethrough price on
08-29-2026

$26.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High-Perfomance Audi RS6/RS7 Intercooler System - Black

ES#4619752 - 8194B - High-Perfomance Audi RS6/RS7 Intercooler System - Black - Eliminates Heat Soak and Lowers Intake Air Temperatures (IATs) for Maximum Performance in High-Performance and Race Conditions. - CSF - Audi

Eliminates Heat Soak and Lowers Intake Air Temperatures (IATs) for Maximum Performance in High-Performance and Race Conditions. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
4619752
Mfg#:
8194B
Ships on Sep 28, 2026
$4195.00 USD
Free Shipping
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.

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