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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Engine Parts & Accessories

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Audi B9 S4/S5 3.0T Luft-Technik Intake System

ES#3477816 - 023795ECS06 - Audi B9 S4/S5 3.0T Luft-Technik Intake System - Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Cold Air Intake - ECS - Audi

Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Cold Air Intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3477816
Mfg#:
023795ECS06
In Stock
ON SALE! SAVE 20%
$540.99

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

$432.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Competition Intercooler Kit

ES#4017614 - 200001120 - Competition Intercooler Kit - The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. - Wagner Tuning - Audi

The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
**This kit is for US vehicle fitment**

Brand:
Wagner Tuning - Corporate Logo
ES#:
4017614
Mfg#:
200001120
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$1040.00

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

$936.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 IE Performance ECU Tune - Includes Stage 1 TCU Tune & POWERlink Cable

ES#4418875 - IESOVZ11TCU - Stage 1 IE Performance ECU Tune - Includes Stage 1 TCU Tune & POWERlink Cable - Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware - Integrated Engineering - Audi

Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4418875
Mfg#:
IESOVZ11TCU
In Stock
$1777.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coils - Red - Set Of Six

ES#4030593 - ms100192KT2 - APR Upgraded Ignition Coils - Red - Set Of Six - 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

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4030593
Mfg#:
MS100192KT2
EO#:
D-783-5
In Stock
$317.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5/SQ5 3.0T Big Bore Cast Aluminum Turbo Inlet Pipe

ES#3647752 - 027714ECS01 - Audi B9 S4/S5/SQ5 3.0T Big Bore Cast Aluminum Turbo Inlet Pipe - Remove the plastic and reduce restriction at your turbo - ECS - Audi

Remove the plastic and reduce restriction at your turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3647752
Mfg#:
027714ECS01
In Stock
ON SALE! SAVE 25%
$197.99

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

$148.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 IE Performance ECU Tune With POWERlink Cable

ES#4418872 - IESOVZ11 - Stage 1 IE Performance ECU Tune With POWERlink Cable - Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware - Integrated Engineering - Audi

Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4418872
Mfg#:
IESOVZ11
In Stock
$1078.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Replacement Kit

ES#4899227 - 06M121115K2KT - Water Pump And Thermostat Replacement Kit - Maintain proper operating temperature with a new water pump and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new water pump and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes 4-Bolt Water Pump and hardware - No pulley included

Brand:
Assembled By ECS - Corporate Logo
ES#:
4899227
Mfg#:
06M121115K2KT
Ships in 3 Business Days
ON SALE!
$613.99

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

$585.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Spark Plug - Priced Each

ES#3181977 - 06M905606F - Spark Plug - Priced Each - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181977
Mfg#:
06M905606F
Ships in 2 Business Days
3% off MSRP

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

$15.00

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

$14.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9/B9.5 S4 & S5 3.0T IE Carbon Fiber Intake System

ES#4346278 - IEINCK3 - B9/B9.5 S4 & S5 3.0T IE Carbon Fiber Intake System - One-Piece carbon fiber construction that adds up to +16HP/TQ - Integrated Engineering - Audi

One-Piece carbon fiber construction that adds up to +16HP/TQ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4346278
Mfg#:
IEINCK3
In Stock
$1091.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 S4/S5 Post Throttle Valve Charge Pipe Kit - Wrinkle Red

ES#3579787 - 024313ecs01-02KT - B9 S4/S5 Post Throttle Valve Charge Pipe Kit - Wrinkle Red - Ditch the plastic and increase air flow! - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
3579787
Mfg#:
024313ECS01-02KT
Ships in 8 Business Days
ON SALE! SAVE 20%
$780.99

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

$624.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump

ES#3666591 - 06M127026P - High Pressure Fuel Pump - Fuel pump located on top of the engine - Genuine Volkswagen Audi - Audi

Fuel pump located on top of the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3666591
Mfg#:
06M127026P
In Stock
7% off MSRP

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

$506.99

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

$472.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 3.0T Performance Baffled Oil Catch Can System

ES#4044357 - 023952ecs01KT - Audi B9 S4/S5 3.0T Performance Baffled Oil Catch Can System - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4044357
Mfg#:
023952ECS01KT
In Stock
ON SALE! SAVE 15%
$555.07

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

$471.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune

ES#4907826 - B9-3.0T-1-TUNE - Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune - Gains from 67 WHP/108 WTQ on Stage 1 up to 102 WHP/122 WTQ on Stage 2 - Jackal Motorsports - Audi

Gains from 67 WHP/108 WTQ on Stage 1 up to 102 WHP/122 WTQ on Stage 2 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907826
Mfg#:
B9-3.0T-1-TUNE
Ships in 2 Business Days
$1010.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Premium Oil Service Kit

ES#3604823 - 107385KT - Premium Oil Service Kit - Includes Motul Specific 508.00/509.00 0W20 oil, Filter, drain plug, and washer for a complete oil service - Assembled By ECS - Audi

Includes Motul Specific 508.00/509.00 0W20 oil, Filter, drain plug, and washer for a complete oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3604823
Mfg#:
107385KT
In Stock
ON SALE!
$187.99

This product was last offered at the strikethrough price on
06-19-2026

$186.93 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#4772517 - 06M103515H - Oil Separator/Pressure Control Valve (PCV) - Also known as the "PCV". Located on the valve cover - Bremmen Parts - Audi Porsche

Also known as the "PCV". Located on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772517
Mfg#:
06M103515H
In Stock
ON SALE! SAVE 20%
$104.99

This product was last offered at the strikethrough price on
06-18-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Control Valve Solenoid Valve

ES#3693642 - 06M133240CG - Purge Control Valve Solenoid Valve - Rear most purge Valve and line with T fitting that connects to the turbo and non-return-valve - Genuine Volkswagen Audi - Audi

Rear most purge Valve and line with T fitting that connects to the turbo and non-return-valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3693642
Mfg#:
06M133240CG
In Stock
2% off MSRP

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

$158.99

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

$155.99 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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