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Audi S4 Engine Parts & Accessories

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ES#4135677 - 06E906265AJ - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Denso - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right position

Brand:
Denso - Corporate Logo
ES#:
4135677
Mfg#:
06E906265AJ
In Stock
$266.99

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

$258.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes HPFP, O-ring, Cam follower, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 06/15/2020

Brand:
Assembled By ECS - Corporate Logo
ES#:
4820947
Mfg#:
06M127026PKT1
Ships in 1-2 days
$774.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#6957 - 075121113D 71D - Thermostat - 71C - Keep your engine running cooler for more power - Mahle-Behr - Audi Volkswagen

Keep your engine running cooler for more power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lower temperature thermostat than factory - OE is 87°C

Brand:
Mahle-Behr - Corporate Logo
ES#:
6957
Mfg#:
075121113D 71D
In Stock
$28.99

This product was last offered at the strikethrough price on
02-09-2026

$28.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2709040 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - URO - Audi Volkswagen

Keep proper pressure in your coolant system 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:
URO - Corporate Logo
ES#:
2709040
Mfg#:
3B0121321
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4668573 - AP3-VLK-004 - COBB Tuning Accessport Tuner V3 - Gain up to 80 horsepower and 151 lb-ft of torque on 93 Octane - CobbTuning - Audi

Gain up to 80 horsepower and 151 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4668573
Mfg#:
AP3-VLK-004
In Stock
$770.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4820926 - 07L127026ALKT1 - High Pressure Fuel Pump Kit  - Includes HPFP, Fuel Pump Cam Follower, and Hardware - Assembled By ECS - Audi Volkswagen

Includes HPFP, Fuel Pump Cam Follower, and Hardware 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#:
4820926
Mfg#:
07L127026ALKT1
Ships in 3 Business Days
$819.99

This product was last offered at the strikethrough price on
03-20-2026

$767.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2608479 - WHT002227KT - Belly Pan Installation Hardware Kit - Keep your belly pan secure with all new hardware - Genuine Volkswagen Audi - Audi

Keep your belly pan secure with all new hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2013 facelift models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2608479
Mfg#:
WHT002227KT
In Stock
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3647665 - 078115561J - Oil Filter - Priced Each - Keep debris out of your oil and keep your engine running smoothly - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Keep debris out of your oil and keep your engine running smoothly 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! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3647665
Mfg#:
078115561J
In Stock
ON SALE!
$13.99

This product was last offered at the strikethrough price on
06-22-2026

$13.19 USD
Free Shipping
on orders $49 and up
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
ES#2550896 - 079911022XKT - Remanufactured Starter - Includes a $104 refundable core charge - Genuine Volkswagen Audi - Audi

Includes a $104 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Valeo style starters

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2550896
Mfg#:
079911022XKT
Ships in 3 Business Days
$762.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#271002 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Genuine Volkswagen Audi - Audi Volkswagen

Common source of undiscoverable coolant leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-Y-022961, Split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
271002
Mfg#:
028117021E
Ships in 3 Business Days
7% off MSRP

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

$408.99

This product was last offered at the strikethrough price on
06-24-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3991436 - BFI8KSTG2-KIT - BFI B8 Engine Mount Kit (W/Trans Insert) - Stage 2 - Total solution for replacing and upgrading your notoriously weak stock engine mounts for your B8 / B8.5 Audi. - Black Forest Industries - Audi

Total solution for replacing and upgrading your notoriously weak stock engine mounts for your B8 / B8.5 Audi. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3991436
Mfg#:
BFI8KSTG2-KIT
Ships on Jul 20, 2026
$759.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2725358 - 079911023DX - Starter - New  - Brand new unit, no core charge - Valeo - Audi

Brand new unit, no core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2725358
Mfg#:
079911023DX
Ships on Aug 27, 2026
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4070112 - CTS-EM-B567-50D - CTS Street Sport Engine Mount - Priced Each - 50 Durometer rubber construction - CTS - Audi

50 Durometer rubber construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4070112
Mfg#:
CTS-EM-B567-50D
Ships in 8 Business Days
$94.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3898 - 332209 - Performance Engine Air Filter 33-2209 - Drop-in high flow replacement for your vehicle - K&N - Audi

Drop-in high flow replacement for your vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
3898
Mfg#:
332209
In Stock
$74.99

This product was last offered at the strikethrough price on
03-16-2026

$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4714700 - 06M903137T - Serpentine Belt - Replace your worn belt today before it breaks - Gates - Audi

Replace your worn belt today before it breaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
4714700
Mfg#:
06M903137T
In Stock
$34.99

This product was last offered at the strikethrough price on
05-01-2026

$32.99 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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