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Audi S4 Engine Parts & Accessories

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ES#4442371 - PMPHX30T40TBLACK - Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Black - Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. - JH Motorsports  - Audi

Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4442371
Mfg#:
PMPHX30T40TBLACK
Ships in 4 Business Days
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3521607 - 024365ecs01KT - B9 S4 3.0T Center X-Pipe - Sound great and save weight! Eliminate the center resonator on your OE system for a more aggressive exhaust note - ECS - Audi

Sound great and save weight! Eliminate the center resonator on your OE system for a more aggressive exhaust note affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3521607
Mfg#:
024365ECS01KT
In Stock
ON SALE! SAVE 25%
$429.99

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

$322.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2992123 - 079109469ALKT1 - Timing Chain Kit - Ultimate - Includes new tensioners, guide rails, chains, & securing hardware to service your timing chain - Assembled By ECS - Audi
ECS Tuning recommends this product.

Includes new tensioners, guide rails, chains, & securing hardware to service your timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to the 2012 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2992123
Mfg#:
079109469ALKT1
In Stock
ON SALE! SAVE 24%
$884.99

This product was last offered at the strikethrough price on
01-03-2026

$673.58 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2918007 - 034-509-0048KT - Track Density Line Motor Mounts Kit - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2918007
Mfg#:
034-509-0048KT
In Stock
$546.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4642701 - PURE-30T750KT - Audi B9 (S4/S5/SQ5)  Pure750 Upgraded Turbocharger - Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge. - Pure Turbos - Audi

Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pure Turbos - Corporate Logo
ES#:
4642701
Mfg#:
PURE-30T750KT
In Stock
$3426.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4766224 - 06E145621S3KT - Ultimate Supercharger Service Kit + - Fix all possible coolant leaks for your 3.0T in one click! - Genuine Volkswagen Audi - Audi

Fix all possible coolant leaks for your 3.0T in one click! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4766224
Mfg#:
06E145621S3KT
Ships in 3 Business Days
$2529.01

This product was last offered at the strikethrough price on
04-20-2026

$2267.86 USD
This product is lifetime replacement eligible Partial Replacement
ES#4620397 - 0341072012RED-6 - 034Motorsport High Output Ignition Coils - Red - Set Of Six - Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation - 034Motorsport - Audi Porsche

Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4620397
Mfg#:
0341072012RED-6
In Stock
$384.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4709360 - IEEXCK5 - IE Cat-Back Exhaust System - B9/B9.5 S4 - Delivers a truly aggressive exhaust note without any annoying drone or rasp - Integrated Engineering - Audi

Delivers a truly aggressive exhaust note without any annoying drone or rasp affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4709360
Mfg#:
IEEXCK5
In Stock
$1687.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4901469 - CBK0012 - APR Cat-Back Exhaust System - B9 S4/S5 - Features TIG welded brushed T304 stainless steel construction and offers gains of 10 AWHP and 12 AWFT-LBS of torque - APR - Audi

Features TIG welded brushed T304 stainless steel construction and offers gains of 10 AWHP and 12 AWFT-LBS of torque Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4901469
Mfg#:
CBK0012
Ships in 3 Business Days
35% off MSRP

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

$2049.99

This product was last offered at the strikethrough price on
04-22-2026

$1332.99 USD
Free Shipping
ES#4140512 - 53049880025 - RS4 K04 Turbocharger - Left - Does not include hardware - BorgWarner - Audi

Does not include hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
BorgWarner - Corporate Logo
ES#:
4140512
Mfg#:
53049880025
Ships in 2 Business Days
$1528.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4905816 - Z1004081X6KT - APR Iridium Pro Spark Plugs - Set Of 6 - Designed for high performance / tuned vehicle applications - APR - Audi Porsche

Designed for high performance / tuned vehicle applications Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4905816
Mfg#:
Z1004081X6KT
In Stock
$153.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2992125 - 06E109218ACKT1 - Timing Chain Kit - Ultimate - Includes new tensioners, guide rails, chains, & securing hardware to service your timing chain - Assembled By ECS - Audi
ECS Tuning recommends this product.

Includes new tensioners, guide rails, chains, & securing hardware to service your timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2992125
Mfg#:
06E109218ACKT1
In Stock
ON SALE! SAVE 24%
$818.99

This product was last offered at the strikethrough price on
01-03-2026

$622.58 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
3646996
Mfg#:
06H905110L
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2992531 - 007344ECS01 -    Luft-Technik Intake System - Silicone Inlet - Audi B8 S4/S5 3.0T - Engineered for increased engine performance with show quality looks - ECS - Audi
ECS Tuning recommends this product.

Engineered for increased engine performance with show quality looks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992531
Mfg#:
007344ECS01
In Stock
ON SALE! SAVE 38%
$526.99

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

$328.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376582 - MS100210 - APR Upgraded Ignition Coil - Blue - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4376582
Mfg#:
MS100210
In Stock
11% off MSRP

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

$40.30

This product was last offered at the strikethrough price on
06-07-2026

$35.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3150000 - 06E103547AC - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - Genuine Volkswagen Audi - Audi

Located beneath the supercharger compressor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3150000
Mfg#:
06E103547AC
In Stock
$297.26

This product was last offered at the strikethrough price on
04-09-2026

$296.62 USD
Free Shipping
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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