Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B6 A4 Quattro 1.8T

Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

Sort By
Filter By
Return to Top
ES#2966347 - 06A198298kt - Performance Crankcase Breather Hose Kit - Includes the "L" & "T" shaped breather hoses, 034 Billet check valve, and tube with hardware - Assembled By ECS - Audi

Includes the "L" & "T" shaped breather hoses, 034 Billet check valve, and tube with hardware 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966347
Mfg#:
06A198298KT
In Stock
ON SALE! SAVE 16%
$106.99

This product was last offered at the strikethrough price on
11-07-2026

$90.16 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2602886 - 06B121132EKT - Cooling Flange Replacement Kit - With Coolant - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602886
Mfg#:
06B121132EKT
In Stock
ON SALE! SAVE 15%
$105.99

This product was last offered at the strikethrough price on
11-07-2026

$90.03 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4933050 - 8E1819373R - Heater Core Hose - Return - Connects the heater core to the hard coolant pipe - URO - Audi

Connects the heater core to the hard coolant pipe 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4933050
Mfg#:
8E1819373R
In Stock
$29.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2602596 - 06B103601CDKT - Oil Pan Replacement Kit - Everything required to replace your leaking pan, including the oil change - Assembled By ECS - Audi

Everything required to replace your leaking pan, including the oil change 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602596
Mfg#:
06B103601CDKT
Ships in 1 Business Day
ON SALE! SAVE 20%
$335.99

This product was last offered at the strikethrough price on
11-07-2026

$268.56 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2586303 - 06B121111K1KT - Cooling System Refresh Kit - Level 1 - Replace your thermostat, temp sensor and expansion tank with one kit! - Assembled By ECS - Audi

Replace your thermostat, temp sensor and expansion tank with one kit! 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586303
Mfg#:
06B121111K1KT
Ships in 1 day
ON SALE! SAVE 50%
$539.05

This product was last offered at the strikethrough price on
05-14-2026

$268.40 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4069853 - 462-103-171AKT - Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant - Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. - Assembled By ECS - Audi Volkswagen

Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4069853
Mfg#:
462-103-171AKT
Back Ordered
$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3448648 - 06D121101B - Coolant Flange Hose  - Connects the rear coolant flange to the hard water pipe - Rein - Audi

Connects the rear coolant flange to the hard water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3448648
Mfg#:
06D121101B
Ships in 3 Business Days
$6.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261790 - N90687201 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 40x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 40x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261790
Mfg#:
N90687201
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2661251 - 8E0199339 - Snub Mount - Worn mounts can cause excessive engine movement under load - URO - Audi

Worn mounts can cause excessive engine movement under load 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2661251
Mfg#:
8E0199339
In Stock
$5.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3183375 - 034-509-0007tdKT -  Density Line Mount Mount Kit - Track Density  - 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 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

Brand:
034Motorsport - Corporate Logo
ES#:
3183375
Mfg#:
034-509-0007TDKT
In Stock
$264.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2991994 - 06C103485N - Oil Cap  - Ensure a proper seal and good looks with this new cap - URO - Audi Volkswagen

Ensure a proper seal and good looks with this new cap 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2991994
Mfg#:
06C103485N
In Stock
$6.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#277547 - 058103221E - Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277547
Mfg#:
058103221E
Ships in 1 day
8% off MSRP

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

$71.99

This product was last offered at the strikethrough price on
10-26-2026

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2966842 - 034-101-3024 - Silicone Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - 034Motorsport - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2966842
Mfg#:
034-101-3024
In Stock
$29.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3194560 - 06A103213AM - Breather Hose Elbow - Connects the oil filter adapter to the hard breather tube - URO - Audi Volkswagen

Connects the oil filter adapter to the hard breather tube 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
URO - Corporate Logo
ES#:
3194560
Mfg#:
06A103213AM
In Stock
$18.99

This product was last offered at the strikethrough price on
10-27-2026

$10.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2642857 - 06B903119D - Alternator Pulley - Does not include securing hardware - Ina - Audi

Does not include securing hardware We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2642857
Mfg#:
06B903119D
Ships in 1 day
$85.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3220407 - 06C905115M - Ignition Coil - Priced Each - Keep your engine running smooth - Delphi - Audi Volkswagen

Keep your engine running smooth

Brand:
Delphi - Corporate Logo
ES#:
3220407
Mfg#:
06C905115M
Ships in 1 day
$42.99 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