Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B9 A4 Quattro 2.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B9 A4 Quattro 2.0T
Your Vehicle Audi B9 A4 Quattro 2.0T
Change Clear

Audi B9 A4 Quattro 2.0T Engine Parts & Accessories

Sort By
Filter By
Return to Top

Ignition Coil - Priced Each

ES#4069168 - GN10632 - Ignition Coil - Priced Each - Keep your engine running smooth - Delphi - Audi Volkswagen

Keep your engine running smooth

Brand:
Delphi - Corporate Logo
ES#:
4069168
Mfg#:
GN10632
In Stock
$53.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VTT Upgraded Ignition Coil Kit - Blue - Set Of Four

ES#4464726 - VTTCOILVAGBLUE4 - VTT Upgraded Ignition Coil Kit - Blue - Set Of Four - Exceeds the performance of factory RS3 coils and provides much higher spark output - Vargas Turbo Technologies - Audi Volkswagen

Exceeds the performance of factory RS3 coils and provides much higher spark output 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4464726
Mfg#:
VTTCOILVAGBLUE4
In Stock
$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Ignition Service Kit - With Service Tools

ES#4686055 - 002540LCA05KT - ECS Performance Ignition Service Kit - With Service Tools - Features ECS Upgraded Ignition Coils and Brisk Silver Racing ER12s plugs, ensuring a stronger and more consistent spark! - Assembled By ECS - Audi Volkswagen

Features ECS Upgraded Ignition Coils and Brisk Silver Racing ER12s plugs, ensuring a stronger and more consistent spark! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4686055
Mfg#:
002540LCA05KT
In Stock
ON SALE!
$367.99

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

$366.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Replacement MQB Drain Plug O-Ring - Priced Each

ES#3048195 - 9263K126 - Replacement MQB Drain Plug O-Ring - Priced Each - Finally, a replacement O-ring for your plastic oil pan's drain plug! Made from Viton Fluoroelastomer Rubber. - ECS - Audi Volkswagen Porsche

Finally, a replacement O-ring for your plastic oil pan's drain plug! Made from Viton® Fluoroelastomer Rubber. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3048195
Mfg#:
9263K126
In Stock
ON SALE! SAVE 25%
$4.99

This product was last offered at the strikethrough price on
06-13-2026

$3.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

ES#4145078 - 4H0959126B - A/C Pressure Switch - Prevents excess pressure from building within the system - Mahle - Audi

Prevents excess pressure from building within the system

Brand:
Mahle - Corporate Logo
ES#:
4145078
Mfg#:
4H0959126B
In Stock
$76.99

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

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#3449346 - 06K905601D - Spark Plug - Priced Each - Platinum plug to keep your engine running strong - Bosch - Audi Volkswagen Porsche

Platinum plug to keep your engine running strong We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3449346
Mfg#:
06K905601D
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#4046606 - 06K103171P - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Genuine Volkswagen Audi - Audi Volkswagen

Also referred to as the rear main seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4046606
Mfg#:
06K103171P
Ships in 2 Business Days
20% off MSRP

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

$321.65

This product was last offered at the strikethrough price on
10-10-2026

$258.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing ER08S Spark Plugs - Set Of Four

ES#4030524 - er08s-4KT - Brisk Silver Racing ER08S Spark Plugs - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! Three heat ranges colder than stock with a non-projected tip

Brand:
Brisk - Corporate Logo
ES#:
4030524
Mfg#:
ER08S-4KT
Ships in 10 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#3145391 - 06L903137A - Accessory Belt - Replaces your cracked or worn belt - Continental - Audi Volkswagen

Replaces your cracked or worn belt We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3145391
Mfg#:
06L903137A
Ships in 10 Business Days
$24.99

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

$18.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Milltek Cat-Back Exhaust System - Non-Resonated

Fits with factory exhaust outlets in bumper - no tips are included. For vehicles from the 2021 model year only.

Brand:
Milltek Sport - Corporate Logo
ES#:
5375825
Mfg#:
SSXAU1112
Ships on Oct 28, 2026
$1789.99 USD
Free Shipping

1.8T/2.0T Gen3 Diverter Valve Upgrade - Black

ES#4839642 - 013907LA01-03KT - 1.8T/2.0T Gen3 Diverter Valve Upgrade - Black - The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. - ECS - Audi Volkswagen Porsche

The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4839642
Mfg#:
013907LA01-03KT
In Stock
ON SALE! SAVE 25%
$333.99

This product was last offered at the strikethrough price on
06-13-2026

$250.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rods - Set Of Four

ES#2831232 - 06H198401D - Connecting Rods - Set Of Four - Direct replacement connecting rods, includes rod bolts & caps - Genuine Volkswagen Audi - Audi Volkswagen

Direct replacement connecting rods, includes rod bolts & caps

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831232
Mfg#:
06H198401D
Ships in 2 Business Days
4% off MSRP

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

$1829.99

This product was last offered at the strikethrough price on
10-10-2026

$1747.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolts - Set Of Eight

ES#2575257 - WHT001319KT - Connecting Rod Bolts - Set Of Eight - Secures the connecting end caps. M9x50 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the connecting end caps. M9x50

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2575257
Mfg#:
WHT001319KT
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MACH Force-Xp Cat-Back Exhaust System - Carbon Fiber Tips

ES#4141881 - 49-36420-C - MACH Force-Xp Cat-Back Exhaust System - Carbon Fiber Tips - 3.0" - 2.5" Mandrel-Bent T304 Stainless system produced gains of up to +13 HP and +22 lbs Ft. TQ., as measured on AFE's in-house dyno - AFE - Audi

3.0" - 2.5" Mandrel-Bent T304 Stainless system produced gains of up to +13 HP and +22 lbs Ft. TQ., as measured on AFE's in-house dyno

Brand:
AFE - Corporate Logo
ES#:
4141881
Mfg#:
49-36420-C
Back Ordered
20% off MSRP

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

$2105.00

This product was last offered at the strikethrough price on
05-27-2026

$1684.00 USD

PCV Breather Hose

ES#3439117 - 06L103213AD - PCV Breather Hose - Connects PCV to the intake manifold - Genuine Volkswagen Audi - Audi

Connects PCV to the intake manifold For vehicles with CYMC engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3439117
Mfg#:
06L103213AD
In Stock
10% off MSRP

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

$155.00

This product was last offered at the strikethrough price on
08-04-2026

$139.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Guide Rail - Upper

ES#2639851 - 06K109469N - Timing Chain Guide Rail - Upper - Upper rail on the chain that connects to the camshaft - Genuine Volkswagen Audi - Audi Volkswagen

Upper rail on the chain that connects to the camshaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2639851
Mfg#:
06K109469N
In Stock
28% off MSRP

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

$45.18

This product was last offered at the strikethrough price on
10-10-2026

$32.69 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings