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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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Expansion Tank Cap Seal

ES#2598146 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Vaico - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598146
Mfg#:
1H0121687A
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cap Nut - Priced Each

ES#465892 - N0111214 - Cap Nut - Priced Each - Install new hardware with your new parts. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6 Secures the charcoal canister to the bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465892
Mfg#:
N0111214
Ships in 3 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Oct 20, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperTech Valve Spring Shim - Priced Each

ID:.570" / OD:1.140"/0.015" thick

Brand:
Supertech - Corporate Logo
ES#:
4735974
Mfg#:
SS-3042
Ships in 8 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Replacement Kit

ES#2766065 - 078131120KKT - EGR Valve Replacement Kit - Complete gasket and hardware to replace the EGR valve - Assembled By ECS - Audi

Complete gasket and hardware to replace the EGR valve 10X Entries For Our 25th Anniversary Sweepstakes!
Engine codes ATW

Brand:
Assembled By ECS - Corporate Logo
ES#:
2766065
Mfg#:
078131120KKT
In Stock
ON SALE! SAVE 27%
$20.99

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

$15.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 4 Pin

ES#2813144 - 078919501B - Coolant Temperature Sensor - 4 Pin - Blue sensor with square connector. Please check existing sensor color - Hamburg Tech - Audi Volkswagen

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813144
Mfg#:
078919501B
Ships in 2 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vehicle Speed Sensor

ES#2812846 - 012409191D - Vehicle Speed Sensor - Used to provide the input signal to the speedometer - Hamburg Tech - Audi Volkswagen

Used to provide the input signal to the speedometer We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812846
Mfg#:
012409191D
Ships in 2 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#4376359 - 058133784A - Breather Hose - Connects the purge valve to check valve - URO - Audi Volkswagen

Connects the purge valve to check valve 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4376359
Mfg#:
058133784A
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - 1.4 bar

ES#2816117 - 68919081 - Oil Pressure Switch - 1.4 bar - Senses low engine oil pressure - Hamburg Tech - Audi Volkswagen

Senses low engine oil pressure We Price Match - Give Us A Call or Chat!
Up to the 1999 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816117
Mfg#:
68919081
Ships in 2 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snub Mount

ES#3982293 - 8D0199339P - Snub Mount - Reduce excessive engine vibrations - URO - Audi Volkswagen

Reduce excessive engine vibrations 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3982293
Mfg#:
8D0199339P
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2709988 - 06B121121l - Thermostat Housing - Located on the left side of the engine block - URO - Audi Volkswagen

Located on the left side of the engine block 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709988
Mfg#:
06B121121L
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Box Grommet Plug - Priced Each

ES#361705 - 4A0129697 - Air Box Grommet Plug - Priced Each - Stops the air box mounting grommets from tearing - Genuine Volkswagen Audi - Audi Volkswagen

Stops the air box mounting grommets from tearing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
361705
Mfg#:
4A0129697
Ships in 3 Business Days
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
07-30-2026

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

Thermostat O-Ring

ES#4034832 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Elring - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4034832
Mfg#:
038121119B
In Stock at Vendor
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Idler Roller - Lower

ES#2813038 - 06B109244 - Timing Belt Idler Roller - Lower - Replace with timing belt service - Hamburg Tech - Audi Volkswagen

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813038
Mfg#:
06B109244
Ships in 2 Business Days
$14.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring (34.2x3)

ES#7988 - N90467301 - Sealing O-Ring (34.2x3) - Located at the connection of the vent tube to the oil filter adapter - Victor Reinz - Audi Volkswagen

Located at the connection of the vent tube to the oil filter adapter

Brand:
Victor Reinz - Corporate Logo
ES#:
7988
Mfg#:
N90467301
In Stock at Vendor
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2469 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Victor Reinz - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 Seals the coolant flange to the cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
2469
Mfg#:
037121687
In Stock at Vendor
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 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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