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

Menu

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

No Vehicle selected
Please select your vehicle below.

    • 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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi B5 Most Popular Parts

Sort By
Filter By
Return to Top

Inner Tie Rod - Priced Each

ES#2802709 - 4D0422821A - Inner Tie Rod - Priced Each - Fits the left and right side - Rein - Audi Volkswagen

Fits the left and right side 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:
Rein - Corporate Logo
ES#:
2802709
Mfg#:
4D0422821A
Back Ordered
ON SALE!
$19.99

This product was last offered at the strikethrough price on
06-29-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Valve Spring - Priced Each

Located inside the cylinder head and allows for valve movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2635814
Mfg#:
058109633
Back Ordered
5% off MSRP

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

$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clamping Washer - Pack Of 25

ES#4940432 - N90335004 - Clamping Washer - Pack Of 25 - Install new hardware with your new parts. 5x30. Bulk buy - Bremmen Parts - Audi Volkswagen

Install new hardware with your new parts. 5x30. Bulk buy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940432
Mfg#:
N90335004
Back Ordered
Auto Notify
ON SALE! SAVE 22%
$23.99

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

$18.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Hose

ES#3463349 - 4B0145838 - Throttle Body Hose - Connects the throttle body to the top port of the intercooler - Hudson - Audi Volkswagen

Connects the throttle body to the top port of the intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8D-1-170000, split is in the 2001 model year

Brand:
Hudson - Corporate Logo
ES#:
3463349
Mfg#:
4B0145838
Ships in 1 day
$37.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Hose

ES#4151655 - 4B0145838 - Throttle Body Hose - Connects the throttle body to the top port of the intercooler - Rein - Audi Volkswagen

Connects the throttle body to the top port of the intercooler 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!
Up to VIN 8D-1-170000, split is in the 2001 model year

Brand:
Rein - Corporate Logo
ES#:
4151655
Mfg#:
4B0145838
Back Ordered
ON SALE!
$38.99

This product was last offered at the strikethrough price on
06-29-2026

$37.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N75 Valve Hose - Priced Each

ES#3177644 - 058145718A - N75 Valve Hose - Priced Each - Connects the N75 valve to the turbocharger (Two required) - Vaico - Audi Volkswagen

Connects the N75 valve to the turbocharger (Two required) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3177644
Mfg#:
058145718A
In Stock at Vendor
$37.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#272857 - 030121121B - Thermostat Housing - Located on the water pump assembly - Genuine Volkswagen Audi - Audi Volkswagen

Located on the water pump assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272857
Mfg#:
030121121B
Ships in 2 Business Days
10% off MSRP

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

$40.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#3142691 - 06A145710P - Diverter Valve - Cure the boost leak and restore power - Hudson - Audi Volkswagen

Cure the boost leak and restore power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-X-200001, split is in the 1999 model year

Brand:
Hudson - Corporate Logo
ES#:
3142691
Mfg#:
06A145710P
Ships in 1 day
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Left

ES#3142769 - 8D0199379J - Engine Mount - Left - Reduce excessive engine vibrations - Hudson - Audi Volkswagen

Reduce excessive engine vibrations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3142769
Mfg#:
8D0199379J
Ships in 1 day
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#270387 - 026121041P - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing a new water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270387
Mfg#:
026121041P
Ships in 2 Business Days
12% off MSRP

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

$41.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Coolant Hose - Right

ES#283610 - 078121188C - Throttle Body Coolant Hose - Right - Connects the coolant pipe to the throttle body - Genuine Volkswagen Audi - Audi Volkswagen

Connects the coolant pipe to the throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AHA

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283610
Mfg#:
078121188C
Ships in 8 Business Days
10% off MSRP

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

$40.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Box Brake Pad Set

ES#395 - MDB1191D - Rear Box Brake Pad Set - Economical doesn't mean they won't perform! - Mintex - Audi

Economical doesn't mean they won't perform! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mintex - Corporate Logo
ES#:
395
Mfg#:
MDB1191D
Back Ordered
$37.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each

ES#3647468 - ST-AIVN-1106S - Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each - +1mm oversized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

+1mm oversized valve head diameter, single groove keeper setup for high RPM use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3647468
Mfg#:
ST-AIVN-1106S
Back Ordered
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket

ES#5902 - 058129717D - Intake Manifold Gasket - Ensure a proper seal to prevent or stop air leaks - Victor Reinz - Audi Volkswagen

Ensure a proper seal to prevent or stop air leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM

Brand:
Victor Reinz - Corporate Logo
ES#:
5902
Mfg#:
058129717D
In Stock at Vendor
$36.77 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2581867 - 050121113ckt-3 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine codes AEB & ATW

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581867
Mfg#:
050121113CKT-3
In Stock
ON SALE! SAVE 19%
$44.99

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

$36.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Outer CV Joint Boot Kit - Priced Each

ES#2642 - 4A0498203C - Front Outer CV Joint Boot Kit - Priced Each - Stop losing CV grease and extend axle joint life - Rein - Audi Volkswagen

Stop losing CV grease and extend axle joint life 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!
Engine code AWM

Brand:
Rein - Corporate Logo
ES#:
2642
Mfg#:
4A0498203C
Back Ordered
ON SALE!
$37.99

This product was last offered at the strikethrough price on
06-29-2026

$36.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your Audi

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 ECS Tuning is part of Enthusiast Auto Holdings