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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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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 Into Our F80 M3 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
Ships in 1 Business Day
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2159 - 058109611E - Exhaust Valve - Priced Each - A non-sodium filled valve - AE - Audi Volkswagen

A non-sodium filled valve

Brand:
AE - Corporate Logo
ES#:
2159
Mfg#:
058109611E
Back Ordered
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3142243 - 058103493A - Breather Hose - Connects the PVC to the metal vent tube - URO - Audi Volkswagen

Connects the PVC to the metal vent tube 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3142243
Mfg#:
058103493A
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2894961 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Vemo - Audi Volkswagen

Prevent overheating and premature engine wear

Brand:
Vemo - Corporate Logo
ES#:
2894961
Mfg#:
078121113F
Ships in 1 Business Day
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#279255 - 06A107441 - Wrist Pin Lock Ring - Priced Each - Secures the wrist pin in the piston head - Genuine Volkswagen Audi - Audi Volkswagen

Secures the wrist pin in the piston head Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279255
Mfg#:
06A107441
Ships in 4 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4006904 - 4D0905351 - Ignition Control Unit - Cure misfires and clear the check engine light - Bosch - Audi Volkswagen

Cure misfires and clear the check engine light We Price Match - Give Us A Call or Chat!
Engine code AEB - For vehicles with Bosch style ICM

Brand:
Bosch - Corporate Logo
ES#:
4006904
Mfg#:
4D0905351
In Stock at Vendor
$99.99

This product was last offered at the strikethrough price on
08-01-2026

$85.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813146 - 07C133529A - Vacuum Check Valve - Located near off of the intake manifold connecting to the suction pump - Hamburg Tech - Audi

Located near off of the intake manifold connecting to the suction pump We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813146
Mfg#:
07C133529A
Ships in 1 Business Day
$12.99

This product was last offered at the strikethrough price on
10-21-2026

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2801195 - 8E0951253 - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Meistersatz - Audi Volkswagen

Replacement 4 pin relay Used for fan control

Brand:
Meistersatz - Corporate Logo
ES#:
2801195
Mfg#:
8E0951253
In Stock at Vendor
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804447 - 06B121121L - Thermostat Housing  - Located on the left side of the engine block - Bremmen Parts - Audi Volkswagen

Located on the left side of the engine block 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804447
Mfg#:
06B121121L
In Stock
ON SALE! SAVE 15%
$9.99

This product was last offered at the strikethrough price on
09-16-2026

$8.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#467507 - N10155906 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x20

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467507
Mfg#:
N10155906
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1270 - MK44C3KKT - Oil Service Kit - Includes standard Mann oil filter and Vaico 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes standard Mann oil filter and Vaico 5w-40 oil 10X Entries Into Our F80 M3 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). Includes a standard size filter

Brand:
Assembled By ECS - Corporate Logo
ES#:
1270
Mfg#:
MK44C3KKT
In Stock
ON SALE! SAVE 23%
$95.17

This product was last offered at the strikethrough price on
09-11-2026

$73.56 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3138966 - mk4ecoKT - Economy Oil Service Kit - Only the essentials to perform an oil service. Includes German Made Vaico oil that meets VW 502.00 & 505.00 standards - Assembled By ECS - Audi Volkswagen

Only the essentials to perform an oil service. Includes German Made Vaico oil that meets VW 502.00 & 505.00 standards 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3138966
Mfg#:
MK4ECOKT
In Stock
ON SALE! SAVE 23%
$95.99

This product was last offered at the strikethrough price on
09-11-2026

$73.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2582097 - 8D0199379K - Hydraulic Engine Mount - Priced Each - Reduce driveline vibrations with a new motor mount, fits left or right side - Vaico - Audi Volkswagen

Reduce driveline vibrations with a new motor mount, fits left or right side We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2582097
Mfg#:
8D0199379K
Ships in 1 Business Day
$47.99

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3149390 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Rein - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149390
Mfg#:
050121113C
Ships in 1 Business Day
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#258895 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'T' shaped connection below the intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258895
Mfg#:
06A103247
Ships in 4 Business 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.

$22.99

This product was last offered at the strikethrough price on
11-05-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#333289 - 357121140 - Coolant Flange Plug - Priced Each - Prevent leaks with a new plug - Genuine Volkswagen Audi - Audi Volkswagen

Prevent leaks with a new plug

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
333289
Mfg#:
357121140
In Stock
14% off MSRP

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

$13.99

This product was last offered at the strikethrough price on
11-05-2026

$11.99 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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