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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#3647522 - ST-AEVI-1103SKT - Supertech Inconel Exhaust Valve Kit - Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647522
Mfg#:
ST-AEVI-1103SKT
Back Ordered
$519.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#252151 - 441201511C - Fuel Filter - Keep your engine running like new - Mahle - Audi Volkswagen

Keep your engine running like new

Brand:
Mahle - Corporate Logo
ES#:
252151
Mfg#:
441201511C
Ships in 1 Business Day
$43.19 USD
Free Shipping
on orders $49 and up
ES#2562351 - 058133843 - Air Filter - Keep clean air running through your engine - Hengst - Audi Volkswagen
ECS Tuning recommends this product.

Keep clean air running through your engine 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
2562351
Mfg#:
058133843
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#466261 - N0138492 - Copper Washer - priced each - Replace with every oil service to prevent leaks. M14x20x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 Engine codes ATW & AWM. Engine code AEB from VIN 8D-X-200001, split is in the 1999 model year (or with the updated oil pan)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466261
Mfg#:
N0138492
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2794391 - IEBAVA16 - Phenolic Big Port To Small Port Adapter kit - For vehicles with small port heads and large port intake manifold - Integrated Engineering - Audi Volkswagen

For vehicles with small port heads and large port intake manifold Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794391
Mfg#:
IEBAVA16
In Stock
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#260046 - 054115147B - Front Crankshaft Seal - Stop oil leaks and prevent internal engine damage. 35x48x10 - Genuine Volkswagen Audi - Audi Volkswagen

Stop oil leaks and prevent internal engine damage. 35x48x10

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
260046
Mfg#:
054115147B
Ships in 2 Business Days
11% off MSRP

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

$35.99

This product was last offered at the strikethrough price on
09-14-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#798 - 441201511C - Fuel Filter - Restore fuel mileage and performance - Bosch - Audi Volkswagen

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

Brand:
Bosch - Corporate Logo
ES#:
798
Mfg#:
441201511C
Ships in 1 Business Day
$31.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#514106 - 4B3959457 - A/C Condenser Fan - 200W - 280MM fan located in front of the AC condenser - ACM - Audi

200W - 280MM fan located in front of the AC condenser

Brand:
ACM - Corporate Logo
ES#:
514106
Mfg#:
4B3959457
Ships in 2 Business Days
$257.47

This product was last offered at the strikethrough price on
03-31-2026

$254.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4464243 - 1.8T-B5-B6 - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4464243
Mfg#:
1.8T-B5-B6
In Stock
Starting at $500.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2250 - 06A103385A - Cylinder Head Bolt - Priced Each (M10x1.5x115) - Ten required, uses a poly drive socket - Victor Reinz - Audi Volkswagen

Ten required, uses a poly drive socket Fits only the following engine codes:AWM & AUG

Brand:
Victor Reinz - Corporate Logo
ES#:
2250
Mfg#:
06A103385A
Ships in 1 Business Day
$50.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2606894 - WHT006407 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 20x3 - Genuine Volkswagen Audi - Audi Volkswagen

Install a new o-ring for a proper seal. 20x3 Seals the coolant return pipe for AWM engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2606894
Mfg#:
WHT006407
In Stock
27% off MSRP

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

$4.10

This product was last offered at the strikethrough price on
09-14-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864537 - 034-101-3000 - Reinforced Silicone Breather Hose Kit - Upgrade from weaker rubber hoses - 034Motorsport - Audi Volkswagen

Upgrade from weaker rubber hoses 2X Entries Into Our F80 M3 Sweepstakes
Engine code AEB with Manual Transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2864537
Mfg#:
034-101-3000
Ships in 2 Business Days
$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1580 - 037906461C - 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!
From VIN 8D-W-080001, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
1580
Mfg#:
037906461C
Back Ordered
$509.99

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

$495.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2803814 - 058133753D - Suction Pump - Restore engine performance - Rein - Audi Volkswagen

Restore engine performance 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803814
Mfg#:
058133753D
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2777403 - 058109088K - Camshaft Chain Tensioner - Applies tension to the camshaft timing chain - Vaico - Audi Volkswagen

Applies tension to the camshaft timing chain We Price Match - Give Us A Call or Chat!
For vehicles with AWM engine code only

Brand:
Vaico - Corporate Logo
ES#:
2777403
Mfg#:
058109088K
Ships in 1 Business Day
$632.00

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

$491.99 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.

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