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Audi A4 Engine Parts & Accessories

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ES#6105 - 0280218063SJ - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bosch - Audi Volkswagen

Restore fuel economy and performance We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
6105
Mfg#:
0280218063SJ
In Stock
45% off MSRP

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

$209.00

This product was last offered at the strikethrough price on
11-05-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2951864 - CTS-EXH-TDP-0005 - 3" Downpipe - T304 Stainless down pipe that installs directly after the factory catalytic converter - CTS - Audi

T304 Stainless down pipe that installs directly after the factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2951864
Mfg#:
CTS-EXH-TDP-0005
Ships in 7 Business Days
ON SALE! SAVE 15%
$399.99

This product was last offered at the strikethrough price on
09-29-2026

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4003757 - CTS-IT-291 - High Flow Aluminum Charge Pipe Set - 2.5" mandrel-bent aluminum turbo outlet and throttle pipe to replace your restrictive factory pieces - CTS - Audi

2.5" mandrel-bent aluminum turbo outlet and throttle pipe to replace your restrictive factory pieces Fits up to the 2019 Model Year

Brand:
CTS - Corporate Logo
ES#:
4003757
Mfg#:
CTS-IT-291
In Stock
ON SALE! SAVE 15%
$199.99

This product was last offered at the strikethrough price on
09-29-2026

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4766197 - N10554005-23PC - Torx Bolt - Set Of 23 - Install new hardware with your new parts. M6x35 - Bremmen Parts - Audi Volkswagen

Install new hardware with your new parts. M6x35 10X Entries Into Our F80 M3 Sweepstakes

Secures valve cover to the cylinder head - 22 required

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766197
Mfg#:
N10554005-23PC
In Stock
ON SALE!
$43.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2636080 - 8E0919051CQ - Low Pressure In-Tank Fuel Pump - Get your vehicle running again - Continental - Audi

Get your vehicle running again We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2636080
Mfg#:
8E0919051CQ
In Stock
$393.99

This product was last offered at the strikethrough price on
09-01-2026

$282.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4768292 - 06F129101N - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Also called the "breather valve" or "oil separator" 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to production date 12/16/2005

Brand:
Hengst - Corporate Logo
ES#:
4768292
Mfg#:
06F129101N
Ships in 7 Business Days
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2794058 - IEFUVC3 -  High Pressure Fuel Pump upgraded unit - New fuel pump with IE internal upgrades already installed - Integrated Engineering - Audi Volkswagen

New fuel pump with IE internal upgrades already installed

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794058
Mfg#:
IEFUVC3
In Stock
$1049.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1897179 - INJB550 - Bosch 550cc Fuel Injector - Priced Each - Compatible with BT software applications. Does NOT include injector plug adapters - Bosch - Audi Volkswagen

Compatible with BT software applications. Does NOT include injector plug adapters We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1897179
Mfg#:
INJB550
In Stock
$77.29

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4164404 - MS100203-4KT - APR Upgraded Ignition Coils - Grey - Set Of Four - 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!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164404
Mfg#:
MS100203-4KT
EO#:
D-783-5
In Stock
$211.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2837251 - 10127100ck - High Flow High Pressure Fuel Pump - Achieve flow rates 50% higher than the original pump! - Autotech - Audi Volkswagen

Achieve flow rates 50% higher than the original pump!

Brand:
Autotech - Corporate Logo
ES#:
2837251
Mfg#:
10127100CK
Ships on Jan 8, 2027
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#514326 - 204-4103 - Cylinder Head Stud Set - Convert to high strength head studs - ARP - Audi Volkswagen

Convert to high strength head studs Engine code AWM

Brand:
ARP - Corporate Logo
ES#:
514326
Mfg#:
204-4103
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1306830 - 2004 - Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 1 Liter - Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen

Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
1306830
Mfg#:
2004
In Stock
42% off MSRP

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

$25.99

This product was last offered at the strikethrough price on
11-05-2026

$14.99 USD
Free Shipping
on orders $49 and up
ES#3194432 - 06H109469ANKT2 -  Ultimate Timing Chain Kit - Includes all chains, tensioners, guide rails and securing hardware - Assembled By ECS - Audi

Includes all chains, tensioners, guide rails and securing hardware 10X Entries Into Our F80 M3 Sweepstakes
Up to production date 5/18/2009

Brand:
Assembled By ECS - Corporate Logo
ES#:
3194432
Mfg#:
06H109469ANKT2
In Stock
ON SALE! SAVE 28%
$379.99

This product was last offered at the strikethrough price on
08-03-2026

$274.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4419105 - CTS-IGN-006 - CTS High Performance Ignition Coil  - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi Volkswagen

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance.

Brand:
CTS - Corporate Logo
ES#:
4419105
Mfg#:
CTS-IGN-006
In Stock
ON SALE! SAVE 15%
$29.99

This product was last offered at the strikethrough price on
09-29-2026

$25.49 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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