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Audi B5 S4 2.7T

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Audi B5 S4 2.7T Performance Engine Parts

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400LPH High Flow Fuel Pump (AN Fittings)

ES#3603936 - 50-1005 - 400LPH High Flow Fuel Pump (AN Fittings) - Designed for high performance naturally aspirated and forced induction EFI vehicles - It can be installed externally or in-tank using optional hardware that is sold separately - AEM Electronics - Audi Volkswagen

Designed for high performance naturally aspirated and forced induction EFI vehicles - It can be installed externally or in-tank using optional hardware that is sold separately affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
AEM Electronics - Corporate Logo
ES#:
3603936
Mfg#:
50-1005
In Stock at Vendor
9% off MSRP

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

$224.99

This product was last offered at the strikethrough price on
07-04-2026

$204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Recirculating Billet Catch Can

ES#2794189 - IEDIYUU17 - IE Recirculating Billet Catch Can - Prevent crankcase oil fumes from filling your intake piping, turbo piping, intercooler, intake manifold, and breather system - Integrated Engineering - Audi Volkswagen

Prevent crankcase oil fumes from filling your intake piping, turbo piping, intercooler, intake manifold, and breather system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
*Universal Fitment - Custom Install Required - Does not include fittings, adapters, or hose ends*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794189
Mfg#:
IEDIYUU17
In Stock
ON SALE! SAVE 10%
$186.99

This product was last offered at the strikethrough price on
06-25-2026

$168.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMC Filter Cleaning Kit

ES#3088918 - WA250-500 - BMC Filter Cleaning Kit - Includes cleaner and re-oil additive - BMC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes cleaner and re-oil additive affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BMC - Corporate Logo
ES#:
3088918
Mfg#:
WA250-500
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

Replacement Universal Oil Cooler - 19 Row

ES#2855412 - MM0C-19 - Replacement Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2855412
Mfg#:
MM0C-19
In Stock
$218.99

This product was last offered at the strikethrough price on
05-06-2026

$196.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Intake Valve Stem Seal - Polyacrylic - Priced Each

ES#3129395 - VS-VBM6I - 6mm Intake Valve Stem Seal - Polyacrylic - Priced Each - The perfect seal for repairing, replacing, or upgrading your valves and stem seals! - Supertech - Audi BMW Volkswagen

The perfect seal for repairing, replacing, or upgrading your valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
3129395
Mfg#:
VS-VBM6I
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hemi Throttle Body - 80mm

ES#5448029 - 53032801AC - Hemi Throttle Body - 80mm - The perfect solution for a high horsepower set ups - SMP - Audi Volkswagen

The perfect solution for a high horsepower set ups affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
5448029
Mfg#:
53032801AC
In Stock at Vendor
$200.99

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

$190.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Air Intake Duct / MAF Hose

ES#2864564 - 034-108-3010 - Silicone Air Intake Duct / MAF Hose - Larger inside diameter and smoother surface for better flow, and stiffer construction to prevent collapsing - 034Motorsport - Audi

Larger inside diameter and smoother surface for better flow, and stiffer construction to prevent collapsing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
- For vehicles using standard MAF housing

Brand:
034Motorsport - Corporate Logo
ES#:
2864564
Mfg#:
034-108-3010
In Stock
ON SALE! SAVE 10%
$115.00

This product was last offered at the strikethrough price on
06-28-2026

$103.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Filter Cleaning Kit

ES#3245340 - EVE-FLC - Filter Cleaning Kit - For Eventuri Intake Systems and many other performance air filters - Eventuri - Audi BMW Volkswagen MINI

For Eventuri Intake Systems and many other performance air filters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eventuri - Corporate Logo
ES#:
3245340
Mfg#:
EVE-FLC
In Stock
$30.00 USD
Free Shipping
on orders $49 and up

Performance Valve Spring/Retainer Kit

ES#2794233 - IEVTVD2 - Performance Valve Spring/Retainer Kit - High quality precision wound/exact tolerance performance valves and titanium retainers - Integrated Engineering - Audi

High quality precision wound/exact tolerance performance valves and titanium retainers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794233
Mfg#:
IEVTVD2
Back Ordered
ON SALE! SAVE 10%
$1023.99

This product was last offered at the strikethrough price on
06-25-2026

$921.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Track Density Line Transmission Mount - Priced Each

ES#2951986 - 034-509-4046td - Track Density Line Transmission Mount - Priced Each - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right side

Brand:
034Motorsport - Corporate Logo
ES#:
2951986
Mfg#:
034-509-4046TD
Back Ordered
Auto Notify
ON SALE! SAVE 49%
$73.99

This product was last offered at the strikethrough price on
01-08-2026

$37.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518084 - 31-10044 - Pro Dry S Air Filter - Higher flow, higher performance - oil-free, washable and reuseable! - AFE - Audi BMW Volkswagen

Higher flow, higher performance - oil-free, washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
518084
Mfg#:
31-10044
In Stock at Vendor
ON SALE! SAVE 15%
$97.00

This product was last offered at the strikethrough price on
06-29-2026

$82.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 8GPH

ES#4362075 - SN0-N0800 - Water/Methanol Nozzle - 8GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4362075
Mfg#:
SN0-N0800
In Stock
$31.99 USD
Free Shipping
on orders $49 and up

Universal Exhaust Wrap - Lava

ES#4028212 - TS-EW-L - Universal Exhaust Wrap - Lava - Increase power by containing exhaust heat - Lava - Torque Solution - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power by containing exhaust heat - Lava affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Torque Solution - Corporate Logo
ES#:
4028212
Mfg#:
TS-EW-L
In Stock
Starting at $29.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Silver

ES#4846432 - CMBVLRSLT040175 - 10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Silver - Allows perfect fixation of the fuel pressure regulator in the desired location. - SPA Performance - Audi Volkswagen

Allows perfect fixation of the fuel pressure regulator in the desired location. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SPA Performance - Corporate Logo
ES#:
4846432
Mfg#:
CMBVLRSLT040175
Ships in 1 Business Day
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (Direct Injection) - Braided Line

Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3557781
Mfg#:
SN0-320-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JB4 OBDII Cable - 2 Position (Cable Only)

ES#4714891 - JB4-OBDII-CA - JB4 OBDII Cable - 2 Position (Cable Only) - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714891
Mfg#:
JB4-OBDII-CA
In Stock
$25.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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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