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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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Blow Off Valve - Atmospheric

ES#1832445 - FMDVWO34C - Blow Off Valve - Atmospheric - 34mm weld on dual piston atmospheric blow off valve for custom installs - Forge - Audi Volkswagen

34mm weld on dual piston atmospheric blow off valve for custom installs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1832445
Mfg#:
FMDVWO34C
Back Ordered
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Valve - Priced Each

ES#2802004 - 058109601C - Intake Valve - Priced Each - Keep your engine running strong - Rein - Audi Volkswagen

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802004
Mfg#:
058109601C
Back Ordered
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Nut

ES#257106 - 068115723 - Oil Cooler Nut - Secures the oil cooler onto the oil filter fitting - Genuine Volkswagen Audi - Audi Volkswagen

Secures the oil cooler onto the oil filter fitting affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257106
Mfg#:
068115723
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Band Clamp - Priced Each

ES#2801336 - N90687201 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 40x12 - Rein - Audi Volkswagen

Ensure a leak free installation. 40x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801336
Mfg#:
N90687201
In Stock at Vendor
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2588248 - 06B903133EKT2 - Accessory Belt Kit - Composed of genuine Audi belt, tensioner, & hardware to keep your belt where it should be! - Assembled By ECS - Audi

Composed of genuine Audi belt, tensioner, & hardware to keep your belt where it should be! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8E-4-191000 - Split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588248
Mfg#:
06B903133EKT2
Ships on Jul 17, 2026
Auto Notify
ON SALE!
$224.16 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe

ES#280015 - 06B121070H - Coolant Supply Pipe - Located along top of the intake manifold - Genuine Volkswagen Audi - Audi

Located along top of the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280015
Mfg#:
06B121070H
Ships in 5 Business Days
9% off MSRP

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

$232.99

This product was last offered at the strikethrough price on
06-11-2026

$212.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter

ES#2894862 - 06B911023A - Starter - Keep your car running like new! - Vemo - Audi Volkswagen

Keep your car running like new! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-5-040001, split is in the 2005 model year

Brand:
Vemo - Corporate Logo
ES#:
2894862
Mfg#:
06B911023A
Special Order: No Guaranteed ETA
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Breather Hose

ES#2966836 - 034-101-3072 - Silicone Breather Hose - Connects the suction jet pump to the intake manifold - 034Motorsport - Audi Volkswagen

Connects the suction jet pump to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8E-3-100000, split is in the 2003 model year

Brand:
034Motorsport - Corporate Logo
ES#:
2966836
Mfg#:
034-101-3072
In Stock
$21.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Downpipe

Replacement downpipe for ES2827276 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3988119
Mfg#:
MSAU257
Ships in 4 Business Days
$209.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer

ES#3677923 - 06F105243J - Harmonic Balancer - Reduces torsional vibrations on your crankshaft - URO - Audi Volkswagen

Reduces torsional vibrations on your crankshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3677923
Mfg#:
06F105243J
Ships in 2 Business Days
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#3438783 - 06A103171A - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Meyle - Audi Volkswagen

Also referred to as the rear main seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3438783
Mfg#:
06A103171A
Ships in 8 Business Days
Auto Notify
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Sludge Repair Kit

ES#2718938 - 06A115105BKT - Oil Sludge Repair Kit - Replace your clogged pickup tube and oil pump - Assembled By ECS - Audi Volkswagen

Replace your clogged pickup tube and oil pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718938
Mfg#:
06A115105BKT
In Stock
ON SALE!
$215.99

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

$209.94 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Accessory Belt

ES#3438073 - 06B903137D - Accessory Belt - Replace your cracked or worn belt - Mitsuboshi - Audi

Replace your cracked or worn belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
Mitsuboshi - Corporate Logo
ES#:
3438073
Mfg#:
06B903137D
In Stock at Vendor
$35.99

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

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Bolt - Priced Each

ES#2808735 - N0195433 - Accessory Belt Tensioner Bolt - Priced Each - Replace the stripped or worn hardware. M8x50 - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Replace the stripped or worn hardware. M8x50 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2808735
Mfg#:
N0195433
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner - Hardware Kit

ES#2570044 - n0195433kt - Accessory Belt Tensioner - Hardware Kit - Replace your stripped or worn tensioner bolts - Genuine Volkswagen Audi - Audi Volkswagen

Replace your stripped or worn tensioner bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2570044
Mfg#:
N0195433KT
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#470401 - N90646702 - Washer - Priced Each - Install new hardware with your new parts. 8.4x29x1.6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 8.4x29x1.6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used in securing the engine mounts to the upper brackets

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470401
Mfg#:
N90646702
In Stock
$4.17 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.

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