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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#280125 - 06B903803B - Voltage Regulator - Located on the rear of the alternator - Genuine Volkswagen Audi - Audi Volkswagen

Located on the rear of the alternator For 90 amp alternators from VIN 8D-X-200001, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280125
Mfg#:
06B903803B
Ships in 6 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.

$420.99

This product was last offered at the strikethrough price on
08-31-2026

$368.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2725355 - 038903018EX - Alternator - 90 Amps  - Keep your charging system running properly - Valeo - Audi Volkswagen

Keep your charging system running properly We Price Match - Give Us A Call or Chat!
From VIN 8D-X-200001, split is in the 1999 model year. Please check current alternator for correct amps

Brand:
Valeo - Corporate Logo
ES#:
2725355
Mfg#:
038903018EX
Ships on Nov 27, 2026
$368.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1494 - 06B998115R - Ignition Coils - Set Of Four - A common cure for misfire codes - Genuine Volkswagen Audi - Audi Volkswagen

A common cure for misfire codes

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1494
Mfg#:
06B998115R
In Stock
$183.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3189499 - 645-924 - Mass Air Flow Sensor Connector Repair Kit - Contact housing for the MAF sensor - Dorman - Audi Volkswagen

Contact housing for the MAF sensor Engine codes ATW & AWM

Brand:
Dorman - Corporate Logo
ES#:
3189499
Mfg#:
645-924
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#274317 - 036109675A - Valve Stem Seal - Priced Each - Seals the valve stem in the cylinder head. 6mm - Genuine Volkswagen Audi - Audi Volkswagen

Seals the valve stem in the cylinder head. 6mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274317
Mfg#:
036109675A
In Stock
3% off MSRP

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

$23.78

This product was last offered at the strikethrough price on
11-03-2026

$22.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2713405 - 002598ECS16KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes anodized black conversion plate -w- black 2.0T coils and silver hold down kit - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- black 2.0T coils and silver hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713405
Mfg#:
002598ECS16KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2713395 - 002598ECS08KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle black conversion plate -w- black 2.0T coils and silver hold down kit - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- black 2.0T coils and silver hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713395
Mfg#:
002598ECS08KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1876813 - 06A959253B - Secondary Air Injection Pump - Keep your engine running efficiently - MTC - Audi Volkswagen

Keep your engine running efficiently Engine codes ATW & AWM from VIN 8D-Y-100001, split is in the 2000 model year

Brand:
MTC - Corporate Logo
ES#:
1876813
Mfg#:
06A959253B
Ships in 10 Business Days
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2713394 - 002598ECS06KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle black conversion plate -w- black 2.0T coils and black hold down kit - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- black 2.0T coils and black hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713394
Mfg#:
002598ECS06KT
Ships on Mar 18, 2027
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2713414 - 002598ECS22KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle red conversion plate -w- black 2.0T coils and black hold down kit - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- black 2.0T coils and black hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713414
Mfg#:
002598ECS22KT
Ships on Mar 18, 2027
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#277551 - 058103383Q - Cylinder Head Gasket - Stop leaks and restore engine power - Genuine Volkswagen Audi - Audi Volkswagen

Stop leaks and restore engine power

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277551
Mfg#:
058103383Q
Ships on Nov 18, 2026
12% off MSRP

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

$208.99

This product was last offered at the strikethrough price on
08-31-2026

$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2953981 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - URO - Audi Volkswagen

Seals oil level sensor to the oil pan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2953981
Mfg#:
038103196
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3220533 - 06B109111 - Camshaft Gear - Turns the exhaust camshaft from the timing belt - Bremmen Parts - Audi Volkswagen

Turns the exhaust camshaft from the timing belt 10X Entries Into Our F80 M3 Sweepstakes

Engine code AWM

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220533
Mfg#:
06B109111
Ships on Apr 27, 2027
ON SALE! SAVE 10%
$57.99

This product was last offered at the strikethrough price on
10-08-2026

$52.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538550 - 06B905115EKT -  Ignition Service Kit - Includes four OE coil packs and four OE spark plugs - Genuine Volkswagen Audi - Audi Volkswagen

Includes four OE coil packs and four OE spark plugs For vehicles with ATW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2538550
Mfg#:
06B905115EKT
Ships in 1-2 days
$364.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3247584 - 058109229BKT2 - Cam Chain Service Kit - All the parts required for a timing chain replacement - Genuine Volkswagen Audi - Audi

All the parts required for a timing chain replacement Fits models with AEB/ATW engine codes only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3247584
Mfg#:
058109229BKT2
Ships in 1-2 days
$370.71

This product was last offered at the strikethrough price on
10-05-2026

$364.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2709917 - 8D0399151R - Transmission Mount - Priced Each - Fits the left and right side - URO - Audi Volkswagen

Fits the left and right side 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709917
Mfg#:
8D0399151R
Ships in 2 Business Days
$13.99 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.

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