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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#2598445 - 8D0121403LR8KT - Expansion Tank Replacement Kit W/ R8 Coolant Cap - Install a brand new expansion tank with a new R8 polished aluminum cap and hardware - Assembled By ECS - Audi Volkswagen

Install a brand new expansion tank with a new R8 polished aluminum cap and hardware 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2598445
Mfg#:
8D0121403LR8KT
Ships in 1 Business Day
$345.99

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

$341.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3028724 - 8D0253115KT4 - Catalytic Converter Installation Kit - Includes the necessary hardware and gaskets to install the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

Includes the necessary hardware and gaskets to install the catalytic converter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3028724
Mfg#:
8D0253115KT4
Ships in 1 day
$179.99

This product was last offered at the strikethrough price on
07-08-2026

$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5482622 - 06B115611RKT - Engine Oil Dipstick & Funnel Tube Kit - Includes both the inner engine oil dipstick and the outer guide funnel/boot. - Genuine Volkswagen Audi - Audi Volkswagen

Includes both the inner engine oil dipstick and the outer guide funnel/boot.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5482622
Mfg#:
06B115611RKT
Ships in 1 day
$53.99

This product was last offered at the strikethrough price on
08-02-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2642188 - 059103193 - Oil Drain Plug - Does not include crush washer. M26x.1.5 - Kolb - Audi Volkswagen

Does not include crush washer. M26x.1.5 Up to VIN 8D-X-199999, split is in the 1999 model year (with the original oil pan)

Brand:
Kolb - Corporate Logo
ES#:
2642188
Mfg#:
059103193
Ships in 1 day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1306566 - 8D0121251M - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi Volkswagen

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
1306566
Mfg#:
8D0121251M
Ships in 1 day
$223.99

This product was last offered at the strikethrough price on
08-13-2026

$214.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3557503 - 8D0260811A - A/C Compressor - Keep cool in the summer heat - Nissens - Audi Volkswagen

Keep cool in the summer heat We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

Brand:
Nissens - Corporate Logo
ES#:
3557503
Mfg#:
8D0260811A
Ships in 1 day
$492.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2580922 - 058145778C - Oil Supply Line - Connects the oil filter adapter to the turbo - Original Equipment Supplier - Audi Volkswagen

Connects the oil filter adapter to the turbo Engine code AEB

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2580922
Mfg#:
058145778C
Ships in 1 day
$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#6119 - 058103221A - Breather Hose - 'L' shaped hose attached to the bleeder valve under the intake manifold - Original Equipment Supplier - Audi

'L' shaped hose attached to the bleeder valve under the intake manifold Engine code AEB with manual transmissions

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
6119
Mfg#:
058103221A
Ships in 1 day
4% off MSRP

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

$46.00

This product was last offered at the strikethrough price on
11-04-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538508 - 034145710B - Diverter Valve - Priced Each - Cure the boost leak and restore power - Original Equipment Supplier - Audi

Cure the boost leak and restore power Up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2538508
Mfg#:
034145710B
Ships in 1 day
$197.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#252862 - 058905105 - Ignition Coil - Priced Each - Includes the spark plug boot - Prenco - Audi Volkswagen

Includes the spark plug boot

Brand:
Prenco - Corporate Logo
ES#:
252862
Mfg#:
058905105
Ships in 1 day
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2762348 - 059919501KT3 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Blue sensor with square connector. Please check existing sensor color - URO - Audi

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
URO - Corporate Logo
ES#:
2762348
Mfg#:
059919501KT3
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2635543 - 1K0998262D - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Walker - Audi Volkswagen

Keep your engine running efficiently

Brand:
Walker - Corporate Logo
ES#:
2635543
Mfg#:
1K0998262D
Ships in 1 day
$162.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

300W with round 2 pin connector We Price Match - Give Us A Call or Chat!
Gates style assembly, please check existing manufacturer for proper fitment

Brand:
Nissens - Corporate Logo
ES#:
3448007
Mfg#:
8D0959455L
Ships in 1 day
$153.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Does not include securing hardware For 120 amp alternators from VIN 8D-X-200001, split is in the 1999 model year

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2581051
Mfg#:
022903119D
Ships in 1 day
3% off MSRP

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

$142.00

This product was last offered at the strikethrough price on
11-04-2026

$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes the spark plug boot

Brand:
WSO - Corporate Logo
ES#:
4142129
Mfg#:
058905105
Ships in 1 day
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5481960 - n0102228KT1 - Ultimate Timing Belt & Water Pump Service Kit - This kit treats the entire front engine drive assembly as a single system, replacing every component subject to wear and tear - Assembled By ECS - Audi Volkswagen

This kit treats the entire front engine drive assembly as a single system, replacing every component subject to wear and tear 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481960
Mfg#:
N0102228KT1
Ships in 2 Business Days
ON SALE!
$308.99

This product was last offered at the strikethrough price on
10-20-2026

$291.75 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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