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Audi RS6 4.2T Engine Parts & Accessories

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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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4339884
Mfg#:
22158
In Stock
38% 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
08-07-2026

$62.99 USD
Free Shipping
on orders $49 and up

High Performance Genuine Engine Oil (5w-40) - 1 Quart

ES#4871642 - GC555401QDSP - High Performance Genuine Engine Oil (5w-40) - 1 Quart - Meets Volkswagen & Audi 502.00 / 505.00 specification - Genuine Volkswagen Audi - Audi Volkswagen

Meets Volkswagen & Audi 502.00 / 505.00 specification

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4871642
Mfg#:
GC555401QDSP
In Stock
$15.29

This product was last offered at the strikethrough price on
07-16-2026

$14.99 USD
Free Shipping
on orders $49 and up

Knock Sensor - Green Connector

ES#2137093 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Bosch - Audi Volkswagen

Detects engine ping for timing adjustment 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2137093
Mfg#:
054905377A
In Stock at Vendor
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Polished

ES#3183558 - 034-145-5000-ALU - Billet Diverter Valve - Polished - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! 2 required

Brand:
034Motorsport - Corporate Logo
ES#:
3183558
Mfg#:
034-145-5000-ALU
In Stock
$128.00 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 For Our 25th Anniversary 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
08-07-2026

$13.35 USD
Free Shipping
on orders $49 and up

008 Premium Diverter Valve - *Limited Edition* Red*

ES#4001248 - FMDV008R - 008 Premium Diverter Valve - *Limited Edition* Red* - Smaller, tougher and tuneable! *Limited edition red finish* - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable! *Limited edition red finish* Limited Editions ONLY at ECS Tuning : Limited Stock so Act Fast

Brand:
Forge - Corporate Logo
ES#:
4001248
Mfg#:
FMDV008R
Back Ordered
Auto Notify
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Edge European Formula Full Synthetic Engine Oil (5w-40) - 5 Quart

ES#3478518 - 03247 - Edge European Formula Full Synthetic Engine Oil (5w-40) - 5 Quart - Meets VAG 502.00/505.00 and Porsche A40 specifications - Castrol - Audi Volkswagen

Meets VAG 502.00/505.00 and Porsche A40 specifications

Brand:
Castrol - Corporate Logo
ES#:
3478518
Mfg#:
03247
In Stock
$133.32

This product was last offered at the strikethrough price on
07-18-2026

$132.55 USD
Free Shipping
on orders $49 and up

R8 Caps & Black Washer Fluid Reservoir Cap Set

ES#4707624 - 009635ECS06KT - R8 Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps - Bremmen Parts - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4707624
Mfg#:
009635ECS06KT
In Stock
ON SALE! SAVE 17%
$89.99

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

$74.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! 2 required

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Back Resonated (Quieter) System

ES#4623271 - SSXAU596 - Turbo Back Resonated (Quieter) System - Full Milltek system with high flow sport cat - Milltek Sport - Audi

Full Milltek system with high flow sport cat Requires stage 2 ECU remap after installation

Brand:
Milltek Sport - Corporate Logo
ES#:
4623271
Mfg#:
SSXAU596
Ships in 3 Business Days
$8077.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Intercooler Kit

ES#4690503 - 200001193 - Performance Intercooler Kit - Performance intercooler features a high-end cooling core - Wagner Tuning - Audi

Performance intercooler features a high-end cooling core

Brand:
Wagner Tuning - Corporate Logo
ES#:
4690503
Mfg#:
200001193
Ships in 1 Business Day
$3990.00 USD
Free Shipping

Audi R8 Style Oil Cap

ES#4685902 - 420103485B - Audi R8 Style Oil Cap - Add new styling in minutes with this Audi R8 style oil cap - Bremmen Parts - Audi Volkswagen

Add new styling in minutes with this Audi R8 style oil cap 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4685902
Mfg#:
420103485B
In Stock
ON SALE! SAVE 14%
$34.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet R1 Diverter Valve - Priced Each

ES#8818 - DV100001 - Billet R1 Diverter Valve - Priced Each - Less maintenance, more boost - APR - Audi Volkswagen Porsche

Less maintenance, more boost Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

2 required

Brand:
APR - Corporate Logo
ES#:
8818
Mfg#:
DV100001
Ships on Aug 31, 2026
Auto Notify
ON SALE! SAVE 10%
$291.99

This product was last offered at the strikethrough price on
07-31-2026

$262.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#1876 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Bosch - Audi Volkswagen

Measures cam position and relays it to the ECU 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1876
Mfg#:
058905161B
In Stock
$110.99

This product was last offered at the strikethrough price on
03-24-2026

$66.99 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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