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Audi RS3 8V (2018+) 2.5T

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Audi RS3 8V (2018+) 2.5T Engine Parts & Accessories

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Billet Aluminum Oil Filter Housing Kit - Polished

ES#2723775 - 003602ECS01A03A - Billet Aluminum Oil Filter Housing Kit - Polished - Aluminum oil filter housing replacement for plastic OE housing - ECS - Audi Volkswagen

Aluminum oil filter housing replacement for plastic OE housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2723775
Mfg#:
003602ECS01A03A
Ships in 5 Business Days
ON SALE! SAVE 10%
$144.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 4" Turbo Inlet Pipe

ES#4044409 - CTS-HW-360 - CTS Turbo 4" Turbo Inlet Pipe - Larger inlet provides increased flow to the turbo - Results in a 78% increase in volume over the stock turbo inlet! - CTS - Audi

Larger inlet provides increased flow to the turbo - Results in a 78% increase in volume over the stock turbo inlet! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4044409
Mfg#:
CTS-HW-360
Back Ordered
Auto Notify
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Race Cat-Back Exhaust System - Non-Resonated

ES#4845952 - SSXAU982 - Race Cat-Back Exhaust System - Non-Resonated - 80mm (3.15") stainless steel with dual Cerakote Black oval tips - Retains valves from OE system - Milltek Sport - Audi

80mm (3.15") stainless steel with dual Cerakote Black oval tips - Retains valves from OE system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4845952
Mfg#:
SSXAU982
In Stock
ON SALE! SAVE 10%
$3616.99

This product was last offered at the strikethrough price on
07-01-2026

$3254.94 USD
Free Shipping

Coolant Temperature Sensor - 2 Pin

ES#2718641 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Febi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2718641
Mfg#:
06A919501A
Ships in 1 Business Day
$17.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plug - Set Of Five

ES#4616193 - z1003100-5KT - APR Iridium Pro Spark Plug - Set Of Five - An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 - APR - Audi

An excellent upgrade for tuned engines. 14X26.5X16mm - Heat Range 9 Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4616193
Mfg#:
Z1003100-5KT
In Stock
$159.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated (3.15" Diameter)

3.15" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4049667
Mfg#:
SSXAU893
Ships in 3 Business Days
ON SALE! SAVE 10%
$3535.99

This product was last offered at the strikethrough price on
07-01-2026

$3181.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Complete MQB RS Billet Engine Mount Kit - Stage 1

ES#4338857 - EBFI77-KS-5721 - BFI Complete MQB RS Billet Engine Mount Kit - Stage 1 - With its 70a durometer bushings, geared towards the spirited enthusiast who wants better control over motor movement without the sacrifice of excessive vibrations. - Black Forest Industries - Audi

With its 70a durometer bushings, geared towards the spirited enthusiast who wants better control over motor movement without the sacrifice of excessive vibrations. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with 'Version 2' dogbone mount insert (triangle) - Please verify prior to purchasing

Brand:
Black Forest Industries - Corporate Logo
ES#:
4338857
Mfg#:
EBFI77-KS-5721
Ships on Jul 28, 2026
$1059.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter - Priced Each

ES#261499 - 06D115562 - Oil Filter - Priced Each - Keep your oil clean and your engine running like new - Genuine Volkswagen Audi - Audi Volkswagen

Keep your oil clean and your engine running like new affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261499
Mfg#:
06D115562
In Stock
10% off MSRP

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

$19.82

This product was last offered at the strikethrough price on
07-06-2026

$17.85 USD
Free Shipping
on orders $49 and up

Solenoid Valve - Priced Each

ES#274849 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Genuine Volkswagen Audi - Audi Volkswagen

Common cure for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274849
Mfg#:
037906283C
In Stock
16% off MSRP

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

$216.65

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

$181.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#471101 - N90894601 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M8 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471101
Mfg#:
N90894601
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Camshaft

ES#4366546 - 07K109022K - Exhaust Camshaft - Prevent timing failure by replacing your worn out camshaft - Genuine Volkswagen Audi - Audi

Prevent timing failure by replacing your worn out camshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4366546
Mfg#:
07K109022K
Ships in 7 Business Days
5% off MSRP

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

$3219.99

This product was last offered at the strikethrough price on
07-03-2026

$3055.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS3/TTRS ECS Performance Ignition Service Kit

ES#4690744 - 002540LCA11KT - RS3/TTRS ECS Performance Ignition Service Kit - Includes five ECS Performance coil packs, OEM spark plugs, and dielectric spark plug boot protector to service your ignition! - ECS - Audi

Includes five ECS Performance coil packs, OEM spark plugs, and dielectric spark plug boot protector to service your ignition! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4690744
Mfg#:
002540LCA11KT
In Stock
ON SALE! SAVE 20%
$344.99

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

$275.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

4.5" S-FLO Closed Carbon Intake System

ES#4043333 - 2660-15050 - 4.5" S-FLO Closed Carbon Intake System - The largest constant diameter intake system available for the Audi 8V/8Y RS 3 and Mk3 TT RS on the planet - AWE - Audi

The largest constant diameter intake system available for the Audi 8V/8Y RS 3 and Mk3 TT RS on the planet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

2019+ models require the AWE DV Adapter Kit for proper fitment. (ES4883105)

Brand:
AWE - Corporate Logo
ES#:
4043333
Mfg#:
2660-15050
In Stock at Vendor
$1515.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic 4" Turbo Inlet Elbow

ES#4872556 - UH051-INA - Unitronic 4" Turbo Inlet Elbow - 28% increase in flow over stock - Designed for the popular IMS750HS turbocharger upgrade - Unitronic - Audi

28% increase in flow over stock - Designed for the popular IMS750HS turbocharger upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Only for use with the IMS750HS turbocharger upgrade.

Brand:
Unitronic - Corporate Logo
ES#:
4872556
Mfg#:
UH051-INA
Ships in 3 Business Days
$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dogbone Subframe Mount Repair Kit

ES#3471395 - 5Q0198037F - Dogbone Subframe Mount Repair Kit - For securing the dogbone mount to the subframe - Genuine Volkswagen Audi - Audi Volkswagen

For securing the dogbone mount to the subframe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3471395
Mfg#:
5Q0198037F
Ships in 1 day
8% off MSRP

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

$136.49

This product was last offered at the strikethrough price on
02-23-2026

$124.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Washer Fluid Reservoir Cap - Black Anodized

ES#3247518 - 022733ECS01-01 - Billet Washer Fluid Reservoir Cap - Black Anodized - Lose the plastic! - ECS - Audi Volkswagen Porsche

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3247518
Mfg#:
022733ECS01-01
In Stock
ON SALE! SAVE 20%
$92.99

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

$74.39 USD
Free Shipping
on orders $49 and up
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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