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Audi C4 S4 Quattro 20v T Engine Parts & Accessories

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ES#467338 - N10063604 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x25 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M6x25 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467338
Mfg#:
N10063604
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339605 - OEM25320 - Oil Filter Wrench Pliers - jaw like pliers for easy removal of all sizes of spin-on type oil filters - OEM Tools - Audi Volkswagen

jaw like pliers for easy removal of all sizes of spin-on type oil filters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OEM Tools - Corporate Logo
ES#:
4339605
Mfg#:
OEM25320
Ships in 6 Business Days
ON SALE! SAVE 10%
$22.99

This product was last offered at the strikethrough price on
06-15-2026

$20.66 USD
Free Shipping
on orders $49 and up
ES#466812 - N0202821 - Vacuum Hose - 3.5mm I.D. (1 Meter Length) - Use for repairs. 1 meter - Genuine Volkswagen Audi - Audi Volkswagen

Use for repairs. 1 meter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466812
Mfg#:
N0202821
In Stock
Limited Qty Sale
$51.99

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

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4759964 - 005989SCH01A03KT - 12 Pc Metric Combination Wrench Set with 9 Piece Scraper, Hook, And Pick Set - This professional grade 8-19mm metric combination wrench set features long handles for extra leverage, plus it comes with a 9 piece scraper, hook, and pick set. - Enthusiast Bundles - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This professional grade 8-19mm metric combination wrench set features long handles for extra leverage, plus it comes with a 9 piece scraper, hook, and pick set. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4759964
Mfg#:
005989SCH01A03KT
Ships in 7 Business Days
ON SALE! SAVE 15%
$95.99

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

$81.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3619898 - G6RVS - Gasoline Engine Treatment - 4-6 Quart Capacity - A triboceramic treatment to restore and protect metal surfaces inside the engine - RVS Technology - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A triboceramic treatment to restore and protect metal surfaces inside the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
RVS Technology - Corporate Logo
ES#:
3619898
Mfg#:
G6RVS
Ships in 2 Business Days
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1897482 - 8K0010520A - Radiator fan warning sticker - Refresh your engine bay - Genuine Volkswagen Audi - Audi

Refresh your engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1897482
Mfg#:
8K0010520A
Ships in 2 Business Days
6% off MSRP

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

$16.00

This product was last offered at the strikethrough price on
06-16-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2826277 - 81014 - Boost Switch - Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826277
Mfg#:
81014
In Stock at Vendor
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2568514 - 010396 - Reflect-A-Gold Roll - 2" X 15' - Control heat and dress up your engine bay - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Control heat and dress up your engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
2568514
Mfg#:
010396
Special Order: No Guaranteed ETA
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2944378 - LIS22850 - Hose Pinchers  - A must for any car enthusiast. - Lisle - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A must for any car enthusiast. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Lisle - Corporate Logo
ES#:
2944378
Mfg#:
LIS22850
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5188 - GRT-GSK-004 - Turbocharger Inlet Gasket - Priced Each - T25/GT25 flange - ATP - Audi Volkswagen

T25/GT25 flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATP - Corporate Logo
ES#:
5188
Mfg#:
GRT-GSK-004
Ships in 7 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2939135 - ATD8257 - Wire Brush - Clean up metal surfaces quickly with this durable brush. 14" - ATD Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Clean up metal surfaces quickly with this durable brush. 14" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATD Tools - Corporate Logo
ES#:
2939135
Mfg#:
ATD8257
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2568513 - 010395 - Reflect-A-Gold Roll - 1.5" X 30 - Control heat and dress up your engine bay - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Control heat and dress up your engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
2568513
Mfg#:
010395
Special Order: No Guaranteed ETA
10% off MSRP

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

$78.99

This product was last offered at the strikethrough price on
03-18-2026

$70.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#251196 - E-9282 - Universal Air Filter - ID=80mm/3.15", 7" long & 7" outer diameter - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

ID=80mm/3.15", 7" long & 7" outer diameter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
251196
Mfg#:
E-9282
In Stock
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4352819 - TIT19391 - Titan 4-Piece Air Blow Gun Set - Seals and blows out clogged lines/pipes - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Seals and blows out clogged lines/pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
4352819
Mfg#:
TIT19391
Ships in 6 Business Days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4690254 - 601-0261 - In-Line Micro Regulator - 6 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690254
Mfg#:
601-0261
In Stock
$68.99

This product was last offered at the strikethrough price on
01-22-2026

$64.99 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.

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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