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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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Boost Cooler Stage 2 Progressive Water/Methanol Injection Kit

ES#4350144 - 20010-BRD - Boost Cooler Stage 2 Progressive Water/Methanol Injection Kit - Engine mounted, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Engine mounted, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4350144
Mfg#:
20010-BRD
In Stock at Vendor
$625.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro-Line Diesel Intake System Cleaner - 400mL

ES#3514639 - 20208KT - Pro-Line Diesel Intake System Cleaner - 400mL - Clean your intake duct without removing it - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Clean your intake duct without removing it affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514639
Mfg#:
20208KT
In Stock
$16.25 USD
Free Shipping
on orders $49 and up

TPMS Service Starter Kit - Metal

ES#4766115 - T10003KT - TPMS Service Starter Kit - Metal - This kit comes with a T2000 TPMS Tool and 4 metal sensors to get you started on your TPMS game! Activate OEM TPMS sensors, retrieve TPMS sensor data, relearn sensor IDs, and program Foxwell T20 TPMS sensors (included)! - Schwaben by Foxwell - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This kit comes with a T2000 TPMS Tool and 4 metal sensors to get you started on your TPMS game! Activate OEM TPMS sensors, retrieve TPMS sensor data, relearn sensor IDs, and program Foxwell T20 TPMS sensors (included)! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schwaben by Foxwell - Corporate Logo
ES#:
4766115
Mfg#:
T10003KT
In Stock
ON SALE! SAVE 25%
$329.99

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

$247.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water-Methanol Injection Kit

ES#4431148 - SN0-211-BRD - Boost Cooler Stage 2.5 Progressive Water-Methanol Injection Kit - Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4431148
Mfg#:
SN0-211-BRD
In Stock at Vendor
$909.99 USD
This product is lifetime replacement eligible Lifetime Replacement

8 Liter Oil Drain Pan

ES#2748892 - 006247SCH01A - 8 Liter Oil Drain Pan - This smaller oil drain pan is perfect for most fluid changing jobs. This is an open top style oil drain pan with an easy pour 1 inch spout, making it easier to transfer fluids. Drain pan features an anti-splash lip which helps prevent spilling over sides. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

This smaller oil drain pan is perfect for most fluid changing jobs. This is an open top style oil drain pan with an easy pour 1 inch spout, making it easier to transfer fluids. Drain pan features an anti-splash lip which helps prevent spilling over sides. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2748892
Mfg#:
006247SCH01A
In Stock
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic 3" Air Filter (Gen 1)

ES#4362289 - UH003-IN4 - Unitronic 3" Air Filter (Gen 1) - Unitronic - Audi Volkswagen

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!

Brand:
Unitronic - Corporate Logo
ES#:
4362289
Mfg#:
UH003-IN4
Ships in 10 Business Days
Auto Notify
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AEM V3 Water/Methanol Injector Kit (Qty 2)

ES#4307641 - 30-3313 - AEM V3 Water/Methanol Injector Kit (Qty 2) - Swappable swirl generators for 250/500/1000cc configurations! - AEM Electronics - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Swappable swirl generators for 250/500/1000cc configurations! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics - Corporate Logo
ES#:
4307641
Mfg#:
30-3313
In Stock
12% off MSRP

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

$129.99

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

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#2764562 - MMFAN16 - Universal 16" Electric Fan - Black - 1934 CFM - 10.8 amps at 12.14 volts - Mishimoto - Audi BMW Volkswagen MINI

1934 CFM - 10.8 amps at 12.14 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764562
Mfg#:
MMFAN16
In Stock
$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OBDeleven Scan Tool - First Gen

ES#3469307 - 024871OBD01 - OBDeleven Scan Tool - First Gen - The ultimate VAG diagnostic tool for your Android device. - OBDeleven - Audi Volkswagen

The ultimate VAG diagnostic tool for your Android device. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OBDeleven - Corporate Logo
ES#:
3469307
Mfg#:
024871OBD01
In Stock
ON SALE! SAVE 20%
$74.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bosch 044 High Flow Fuel Pump - 270 LPH

ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application 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:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water-Methanol Solenoid Upgrade - Quick-Connect Fittings

ES#4147674 - SN0-40060 - High Flow Water-Methanol Solenoid Upgrade - Quick-Connect Fittings - Robust protection for your WMI installation to ensure peace of mind - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Robust protection for your WMI installation to ensure peace of mind affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147674
Mfg#:
SN0-40060
In Stock
$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DW400 In-Tank Fuel Pump W/ Universal Set Up Kit

ES#4349830 - 9-401-1001 - DW400 In-Tank Fuel Pump W/ Universal Set Up Kit - The newest high flow in tank fuel pump on the market! - DeatschWerks - Audi BMW Volkswagen Mercedes Benz MINI

The newest high flow in tank fuel pump on the market! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is Universal and Not a direct replacement for the Genuine Pump!

Brand:
DeatschWerks - Corporate Logo
ES#:
4349830
Mfg#:
9-401-1001
In Stock at Vendor
$239.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

9 Piece Scraper, Hook And Pick Set

ES#2778980 - 008504SCH01A - 9 Piece Scraper, Hook And Pick Set - Great for carbon cleaning, grabbing and scraping. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Great for carbon cleaning, grabbing and scraping. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2778980
Mfg#:
008504SCH01A
In Stock
ON SALE! SAVE 15%
$38.99

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

$33.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock at Vendor
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carista EVO Bluetooth Scanner

ES#4736541 - CARISTA-EVO - Carista EVO Bluetooth Scanner - Diagnose, customize, and service your vehicle when used with the Carista OBD2 App for iOS and Android. Now 4x faster, uses 10x less power, and is future-ready! - Carista - Audi BMW Volkswagen MINI Porsche

Diagnose, customize, and service your vehicle when used with the Carista OBD2 App for iOS and Android. Now 4x faster, uses 10x less power, and is future-ready! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Carista - Corporate Logo
ES#:
4736541
Mfg#:
CARISTA-EVO
Ships on Jul 23, 2026
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SI-1 Complete Fuel System Cleaner - 15oz

ES#2072580 - 60103 - SI-1 Complete Fuel System Cleaner - 15oz - Clean up your gasoline engine! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Clean up your gasoline engine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Redline - Corporate Logo
ES#:
2072580
Mfg#:
60103
In Stock
$17.99 USD
Free Shipping
on orders $49 and up

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.

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