Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi C8 RS 6 Quattro 4.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi C8 RS 6 Quattro 4.0T
Your Vehicle Audi C8 RS 6 Quattro 4.0T
Change Clear

Audi C8 RS 6 Quattro 4.0T Engine Parts & Accessories

Sort By
Filter By
Return to Top

Stainless Steel 4.0T Ignition Coil Hardware Kit - With Red Titanium Washers

ES#4475740 - 97646A327-8RD - Stainless Steel 4.0T Ignition Coil Hardware Kit - With Red Titanium Washers - Upgraded stainless steel tie down bolts and red titanium ZSPEC washers! - ECS - Audi

Upgraded stainless steel tie down bolts and red titanium ZSPEC washers! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4475740
Mfg#:
97646A327-8RD
Ships in 4 Business Days
ON SALE!
$42.99

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

$41.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Tensioner Gasket - Center

ES#3662270 - 079109139L - Upper Tensioner Gasket - Center - Seals the center timing chain tensioner to the engine - Victor Reinz - Audi

Seals the center timing chain tensioner to the engine

Brand:
Victor Reinz - Corporate Logo
ES#:
3662270
Mfg#:
079109139L
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

Replacement Air filter to keep your engine running at it's peak performance.

Brand:
Mann - Corporate Logo
ES#:
4846166
Mfg#:
4K0133843G
Ships in 2 Business Days
$36.99

This product was last offered at the strikethrough price on
04-10-2026

$33.99 USD
Free Shipping
on orders $49 and up

Air filter

ES#4059188 - 4K0133843G - Air filter - Replacement Air filter to keep your engine running at it's peak performance. - Genuine Volkswagen Audi - Audi

Replacement Air filter to keep your engine running at it's peak performance.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4059188
Mfg#:
4K0133843G
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.

$34.99

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

$32.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Retaining Bolt

ES#3153110 - N91238501 - Timing Chain Retaining Bolt - Holds the right side timing chain guide in place - Genuine Volkswagen Audi - Audi Volkswagen

Holds the right side timing chain guide in place

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3153110
Mfg#:
N91238501
Ships in 2 Business Days
34% off MSRP

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

$1.50

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

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket - Priced Each

ES#3348101 - 9A712113900 - Thermostat Housing Gasket - Priced Each - Two (2) Required - Genuine Porsche - Audi Porsche

Two (2) Required

Brand:
Genuine Porsche - Corporate Logo
ES#:
3348101
Mfg#:
9A712113900
Ships in 4 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Plus ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance)

ES#4872177 - ECU40TEA825C8PAP - APR Plus ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance) - Max gains of +124 AWHP and +142 AWFT-LBS and a Limited Powertrain Warranty - APR - Audi

Max gains of +124 AWHP and +142 AWFT-LBS and a Limited Powertrain Warranty Call In Or Chat For Best Price!

For vehicles from the 2024 model year only.

Brand:
APR - Corporate Logo
ES#:
4872177
Mfg#:
ECU40TEA825C8PAP
In Stock
$4999.99 USD

APR ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance)

ES#4872176 - ECU40TEA825C8P - APR ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance) - Max gains of +112-210 AWHP and +145-225 AWFT-LBS depending on octane - APR - Audi

Max gains of +112-210 AWHP and +145-225 AWFT-LBS depending on octane Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio. Vehicle must be brought to ECS Tuning for programming
For vehicles from the 2024 model year only.

Brand:
APR - Corporate Logo
ES#:
4872176
Mfg#:
ECU40TEA825C8P
In Stock
$2068.99 USD

Fuel Injectors - Set Of Eight

ES#4828232 - 06M906036AQKT2 - Fuel Injectors - Set Of Eight - Includes all 8 injectors - Assembled By ECS - Audi

Includes all 8 injectors 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with model years through 2023

Brand:
Assembled By ECS - Corporate Logo
ES#:
4828232
Mfg#:
06M906036AQKT2
In Stock
ON SALE!
$1060.99

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

$1033.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Line

ES#4621128 - 0P2133240AC - Fuel Line - Crossover fuel line that connects both fuel rails across the front of the engine. Contains AKF Valve. - Genuine Volkswagen Audi - Audi

Crossover fuel line that connects both fuel rails across the front of the engine. Contains AKF Valve.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4621128
Mfg#:
0P2133240AC
In Stock
ON SALE! SAVE 10%
$397.99

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

$356.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Stage 1 ECU Tune With POWERlink Cable

ES#5504045 - IESOWC11 - IE Stage 1 ECU Tune With POWERlink Cable - Stage 1 ECU tune that unlocks up to 828 horsepower for C8 Audi RS6, RS7, S8, SQ7, SQ8, and RSQ8 models directly from your smartphone. - Integrated Engineering - Audi

Stage 1 ECU tune that unlocks up to 828 horsepower for C8 Audi RS6, RS7, S8, SQ7, SQ8, and RSQ8 models directly from your smartphone. 2024 model years are equipped with a new ECU version and are not currently compatible. See notes for more information.

Brand:
Integrated Engineering - Corporate Logo
ES#:
5504045
Mfg#:
IESOWC11
In Stock
Starting at $179.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Pure900 ECU Tune With POWERlink Cable

ES#5504043 - IESOWC13 - IE Pure900 ECU Tune With POWERlink Cable - Pure900 hybrid turbo ECU tune that unlocks up to 903 horsepower for C8 Audi RS6, RS7, S8, SQ7, SQ8, and RSQ8 models directly from your smartphone. - Integrated Engineering - Audi

Pure900 hybrid turbo ECU tune that unlocks up to 903 horsepower for C8 Audi RS6, RS7, S8, SQ7, SQ8, and RSQ8 models directly from your smartphone. 2024 model years are equipped with a new ECU version and are not currently compatible. See notes for more information.

Brand:
Integrated Engineering - Corporate Logo
ES#:
5504043
Mfg#:
IESOWC13
In Stock
Starting at $179.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

Carbon Fiber Intake System - Matte *Scratch And Dent*

ES#4919966 - EVEC8RS6CFM - Carbon Fiber Intake System - Matte *Scratch And Dent* - Increased flow rate with smooth airflow - Scratch & Dent - Audi

Increased flow rate with smooth airflow ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
4919966
Mfg#:
EVEC8RS6CFM
In Stock
ON SALE! SAVE 38%
$2995.00

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

$1849.00 USD
Scratch and Dent Item

C8 RS6 / RS7 Aluminum Street Shield Skid Plate Kit - (NO LONGER AVAILABLE) *Scratch And Dent*

ES#5426228 - 044137LA01 - C8 RS6 / RS7 Aluminum Street Shield Skid Plate Kit - (NO LONGER AVAILABLE) *Scratch And Dent* - Protect your vehicle's fragile oil pan and under carriage with this 3.3mm thick aluminum skid plate! - Scratch & Dent - Audi

Protect your vehicle's fragile oil pan and under carriage with this 3.3mm thick aluminum skid plate! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5426228
Mfg#:
044137LA01
In Stock
ON SALE! SAVE 30%
$664.99

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

$465.00 USD

034Motorsport High Output Ignition Coils - Yellow - Set Of Eight

ES#5374239 - 0341072012yel-8 - 034Motorsport High Output Ignition Coils - Yellow - Set Of Eight - Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation - 034Motorsport - Audi

Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5374239
Mfg#:
0341072012YEL-8
Ships in 2 Business Days
ON SALE! SAVE 14%
$504.00

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

$430.92 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.

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