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Audi S4 Engine Parts & Accessories

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Universal performance air filter

ES#1876583 - E-2021 - Universal performance air filter - Bolt on better performance and fuel efficiency. - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Bolt on better performance and fuel efficiency. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
1876583
Mfg#:
E-2021
In Stock
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Concentrate - 1 Gallon

ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up

Schwaben Locking Hose Pinch-Off Pliers

ES#2804761 - 009787SCH01A - Schwaben Locking Hose Pinch-Off Pliers - Simplifies work on coolant lines, water pumps, radiators and more. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Simplifies work on coolant lines, water pumps, radiators and more. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2804761
Mfg#:
009787SCH01A
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 15%
$39.99

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

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.5 Gal. Water-Methanol Tank Upgrade - Quick-Connect Fittings

ES#4147675 - SN0-40014 - 2.5 Gal. Water-Methanol Tank Upgrade - Quick-Connect Fittings - W/Brackets, Solenoid, Hose & All Necessary Fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

W/Brackets, Solenoid, Hose & All Necessary Fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147675
Mfg#:
SN0-40014
In Stock at Vendor
$140.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Profile Rolling Drain Pan - 20L

ES#3673927 - B8800085 - Low Profile Rolling Drain Pan - 20L - Huge capacity with four casters for easy rolling. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Huge capacity with four casters for easy rolling. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673927
Mfg#:
B8800085
In Stock
ON SALE! SAVE 15%
$96.99

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

$82.44 USD
This product is lifetime replacement eligible Lifetime Replacement

Ethanol Sensor Bypass Mount Upgrade

ES#4812502 - E85-BPM-6-8AN - Ethanol Sensor Bypass Mount Upgrade - Get a full flow from your E85 flex fuel sensors to your fuel rails. - 40T Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Get a full flow from your E85 flex fuel sensors to your fuel rails. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
40T Performance - Corporate Logo
ES#:
4812502
Mfg#:
E85-BPM-6-8AN
Ships in 5 Business Days
$139.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Media Blaster Kit

ES#2949293 - SGT17800 - Media Blaster Kit - Pull abrasive directly from bag or bucket - S&G Tool Aid - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pull abrasive directly from bag or bucket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
S&G Tool Aid - Corporate Logo
ES#:
2949293
Mfg#:
SGT17800
In Stock
$41.99 USD
Free Shipping
on orders $49 and up

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - 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
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat - Black

ES#2764104 - MM0CULTBK - Universal Oil Cooler - 19 Row, with Thermostat - Black - 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
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764104
Mfg#:
MM0CULTBK
Ships in 3 Business Days
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro-Line Throttle Valve Cleaner - 400mL

ES#3514640 - 20210KT - Pro-Line Throttle Valve Cleaner - 400mL - Removes contamination and deposits in the intake and throttle valve area - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Removes contamination and deposits in the intake and throttle valve area 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! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514640
Mfg#:
20210KT
In Stock
$19.99 USD
Free Shipping
on orders $49 and up

Polydrive Socket (T10070 & 3452) - 1/2" Drive

ES#1876780 - hs-12rm10168 - Polydrive Socket (T10070 & 3452) - 1/2" Drive - A must have tool for removing special VW / Audi cylinder head bolts - Schwaben - Audi Volkswagen
ECS Tuning recommends this product.

A must have tool for removing special VW / Audi cylinder head bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please check head of cylinder head bolts before ordering.

Brand:
Schwaben - Corporate Logo
ES#:
1876780
Mfg#:
HS-12RM10168
Ships on Jul 9, 2026
Auto Notify
ON SALE! SAVE 25%
$32.99

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

$24.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Stem Seal Pliers - Long

ES#4336532 - CTA1060 - Valve Stem Seal Pliers - Long - Removes valve stem seals from overhead camshaft engines - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Removes valve stem seals from overhead camshaft engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336532
Mfg#:
CTA1060
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

340lph High Flow In-Tank Fuel Pump

ES#3604757 - 50-1000 - 340lph High Flow In-Tank Fuel Pump - AEM™s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. - AEM Electronics - Audi Volkswagen

AEM’s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. 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 applications

Brand:
AEM Electronics - Corporate Logo
ES#:
3604757
Mfg#:
50-1000
In Stock at Vendor
$113.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S4 2.7T Turbo Boost Leak Tester

ES#4346286 - AUD27TS4325B2TTN - S4 2.7T Turbo Boost Leak Tester - Find the turbo leak and get full BOOST! - Turbo Boost Leak Testers - Audi

Find the turbo leak and get full BOOST! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Turbo Boost Leak Testers - Corporate Logo
ES#:
4346286
Mfg#:
AUD27TS4325B2TTN
In Stock
$75.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

12 Piece 3/8" Drive Magnetic Spark Plug Master Set

ES#4829841 - mspm100 - 12 Piece 3/8" Drive Magnetic Spark Plug Master Set - Never worry about missing a spark plug socket - this set will cover it all, both SAE and metric. - VIM Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Never worry about missing a spark plug socket - this set will cover it all, both SAE and metric. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VIM Tools - Corporate Logo
ES#:
4829841
Mfg#:
MSPM100
Ships in 1-2 days
$163.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2-Pin Connector - Priced Each

ES#2165196 - 4H0973702A - 2-Pin Connector - Priced Each - Replace a broken connector to restore function - Genuine Volkswagen Audi - Audi

Replace a broken connector to restore function affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For the fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2165196
Mfg#:
4H0973702A
In Stock
$9.99 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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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