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Audi B5 A4 FWD 1.8T Engine Parts & Accessories

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ES#2627329 - 8D0121055G - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-120000, split is in the 2000 model year

Brand:
Rein - Corporate Logo
ES#:
2627329
Mfg#:
8D0121055G
Ships in 3 Business Days
$36.99 USD
Free Shipping
on orders $49 and up
ES#3448652 - 058121497B - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Rein - Audi Volkswagen

Connects the turbocharger to the connection flange 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3448652
Mfg#:
058121497B
Ships in 3 Business Days
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535139 - 026103485A - Oil Filler Cap - Clean up your engine bay with a new oil cap - URO - Audi Volkswagen Porsche

Clean up your engine bay with a new oil cap 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535139
Mfg#:
026103485A
In Stock
$4.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4429740 - AUTB5002 - Autobahn Autoworx Boost Hose Kit  - Improve flow and looks - Autobahn Autoworx - Audi Volkswagen

Improve flow and looks

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4429740
Mfg#:
AUTB5002
Ships in 3 Business Days
Starting at $110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2731738 - MK44C3KKT3 -  Oil Service Kit - With ECS Magnetic Drain Plug - Includes large Mann oil filter and Vaico 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes large Mann oil filter and Vaico 5w-40 oil 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
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:
Assembled By ECS - Corporate Logo
ES#:
2731738
Mfg#:
MK44C3KKT3
In Stock
$112.99

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

$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3183399 - 078121601B - Auxiliary Water Pump - Used as an after run pump on the V6 engine - Rein - Audi Volkswagen

Used as an after run pump on the V6 engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3183399
Mfg#:
078121601B
Ships in 3 Business Days
$118.99

This product was last offered at the strikethrough price on
10-22-2026

$54.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2804122 - 058121132KT1 - Cooling Flange Replacement Kit - 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 USE CODE KIT15 IN CART FOR BEST PRICE
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804122
Mfg#:
058121132KT1
Ships in 2 Business Days
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2866217 - 06B109244 - Timing Belt Idler Roller - Lower - Replace with timing belt service - Febi - Audi Volkswagen

Replace with timing belt service We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866217
Mfg#:
06B109244
Ships in 1 Business Day
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535170 - 1J0121321B - Expansion Tank Cap - Keep proper pressure in your coolant system - URO - Audi Volkswagen

Keep proper pressure in your coolant system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535170
Mfg#:
1J0121321B
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3149762 - 068115561B - Oil Filter - Priced Each - Larger capacity oil filter - NPN - Audi Volkswagen

Larger capacity oil filter

Brand:
NPN - Corporate Logo
ES#:
3149762
Mfg#:
068115561B
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
ES#4849592 - 038903803E - Voltage Regulator - Maintains a constant voltage level by controlling the alternator's output. - Vemo - Audi Volkswagen

Maintains a constant voltage level by controlling the alternator's output. For 120 amp alternators from VIN 8D-X-200001, split is in the 1999 model year

Brand:
Vemo - Corporate Logo
ES#:
4849592
Mfg#:
038903803E
Ships in 1 Business Day
$54.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581805 - 8d0959481bkt-3 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581805
Mfg#:
8D0959481BKT-3
In Stock
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2718910 - 028117021LKT1 -  Oil Cooler Replacement Kit - Stage 1 - Everything you need to replace your leaking oil cooler - Assembled By ECS - Audi

Everything you need to replace your leaking oil cooler 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Engine code AWM from VIN 8D-X-300001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718910
Mfg#:
028117021LKT1
In Stock at Vendor
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#275298 - 038903119K - Alternator Pulley - Does not include securing hardware - Genuine Volkswagen Audi - Audi Volkswagen

Does not include securing hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275298
Mfg#:
038903119K
Ships in 1-2 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.

$118.99

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

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2598354 - 058905291K - Check Valve - Priced Each - Used in multiple locations in the vacuum system - Vaico - Audi Volkswagen

Used in multiple locations in the vacuum system We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598354
Mfg#:
058905291K
Ships in 1 Business Day
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#517978 - 058260511 - A/C Belt Tensioner - Keep your drive belt tight - Ina - Audi Volkswagen

Keep your drive belt tight We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
517978
Mfg#:
058260511
Ships in 1 Business Day
$35.77 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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