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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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Radiator Hose - Upper

ES#429387 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the upper radiator port to the hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429387
Mfg#:
8D0121101K
Ships in 5 Business Days
8% off MSRP

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

$119.99

This product was last offered at the strikethrough price on
07-29-2026

$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Banjo Bolt

ES#1299885 - N0210748 - Banjo Bolt - Hollow bolt that allows fluid to pass through - Genuine Volkswagen Audi - Audi Volkswagen

Hollow bolt that allows fluid to pass through M10 banjo bolt that secures the fuel supply line from the pump to the fuel filter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1299885
Mfg#:
N0210748
Ships in 1 day
8% off MSRP

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

$23.99

This product was last offered at the strikethrough price on
07-29-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket Set

ES#3435231 - 058198025A - Valve Cover Gasket Set - Stop oil leaks and prevent internal engine damage - Rein - Audi Volkswagen

Stop oil leaks and prevent internal engine damage 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3435231
Mfg#:
058198025A
Back Ordered
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#4818191 - 8D0819371H - Heater Core Hose - Supply - Connects the heater core to the cylinder head flange - URO - Audi Volkswagen

Connects the heater core to the cylinder head flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
URO - Corporate Logo
ES#:
4818191
Mfg#:
8D0819371H
Back Ordered
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catch Can Mounting Bracket (straight)

ES#3479288 - IEDIYUU1-7 - Catch Can Mounting Bracket (straight) - To make your custom install as easy as possible, IE offers stainless steel catch can mounting brackets - Integrated Engineering - Audi Volkswagen

To make your custom install as easy as possible, IE offers stainless steel catch can mounting brackets 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3479288
Mfg#:
IEDIYUU1-7
Back Ordered
Auto Notify
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler O-Ring

ES#2776 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Victor Reinz - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5

Brand:
Victor Reinz - Corporate Logo
ES#:
2776
Mfg#:
038117070A
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535170
Mfg#:
1J0121321B
In Stock
$5.99

This product was last offered at the strikethrough price on
03-02-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Blade

ES#277616 - 058121301B - Auxiliary Fan Blade - For the belt driven auxiliary fan - Genuine Volkswagen Audi - Audi Volkswagen

For the belt driven auxiliary fan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277616
Mfg#:
058121301B
Ships in 7 Business Days
7% 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
07-28-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

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
In Stock at Vendor
$54.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Premium Oil Service Kit - With ECS Magnetic Drain Plug

ES#2817107 - 2332kt2 - Premium Oil Service Kit - With ECS Magnetic Drain Plug - Includes large Mann oil filter and Liqui-Moly High Tech 5w-40 oil - Assembled By ECS - Audi

Includes large Mann oil filter and Liqui-Moly High Tech 5w-40 oil 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AEB up to VIN 8D-X-199999, split is in the 1999 model year (with the original oil pan).

Brand:
Assembled By ECS - Corporate Logo
ES#:
2817107
Mfg#:
2332KT2
In Stock
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Service Kit - With ECS Magnetic Drain Plug

ES#6901 - 058198000 - Oil Service Kit - With ECS Magnetic Drain Plug - Includes large Mann oil filter and Pentosin 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes large Mann oil filter and Pentosin 5w-40 oil 10X Entries For Our 25th Anniversary Sweepstakes!
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#:
6901
Mfg#:
058198000
In Stock
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Check Valve - Priced Each

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
In Stock at Vendor
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

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
In Stock
ON SALE!
$107.99

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

$106.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan

ES#2225930 - 8D0863821S - Front Belly Pan - Reduces noise and protects your undercarriage - Bremmen Parts - Audi Volkswagen

Reduces noise and protects your undercarriage 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2225930
Mfg#:
8D0863821S
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$133.99

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

$106.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Connector

ES#2710724 - 06B103221P - Breather Hose Connector - Connects the valve cover to the vent tubes - Vaico - Audi Volkswagen

Connects the valve cover to the vent tubes We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Vaico - Corporate Logo
ES#:
2710724
Mfg#:
06B103221P
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt

ES#279993 - 06B109119F - Timing Belt - The most important belt on your engine - Genuine Volkswagen Audi - Audi Volkswagen

The most important belt on your engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279993
Mfg#:
06B109119F
Ships in 7 Business Days
7% off MSRP

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

$113.99

This product was last offered at the strikethrough price on
07-29-2026

$105.99 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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