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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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Auxiliary Fan Control Unit

ES#5432880 - 1J0919506E - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 10 pin connector - Bremmen Parts - Audi Volkswagen

1 large 4 pin connector and 1 small 10 pin connector 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5432880
Mfg#:
1J0919506E
In Stock
ON SALE! SAVE 15%
$93.99

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

$79.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Left

ES#429713 - 8D0399151H - Transmission Mount - Left - Reduce excessive drivetrain vibrations - Genuine Volkswagen Audi - Audi Volkswagen

Reduce excessive drivetrain vibrations

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429713
Mfg#:
8D0399151H
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.

$169.99

This product was last offered at the strikethrough price on
08-31-2026

$157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Green Connector

ES#277140 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Genuine Volkswagen Audi - Audi Volkswagen

Detects engine ping for timing adjustment

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277140
Mfg#:
054905377A
Ships in 6 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.

$169.99

This product was last offered at the strikethrough price on
08-31-2026

$157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#2800215 - 078103171L - Rear Crankshaft Seal - With Flange - With mounting flange & sealing gasket to engine block - Ajusa - Audi Volkswagen

With mounting flange & sealing gasket to engine block

Brand:
Ajusa - Corporate Logo
ES#:
2800215
Mfg#:
078103171L
Ships in 3 Business Days
$78.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#1563 - 15160 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
1563
Mfg#:
15160
Ships in 1 Business Day
$157.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuse Box

ES#433794 - 8D1941824 - Fuse Box - In-dash fuse box - Genuine Volkswagen Audi - Audi Volkswagen

In-dash fuse box

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
433794
Mfg#:
8D1941824
Ships in 1 day
10% off MSRP

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

$173.99

This product was last offered at the strikethrough price on
08-31-2026

$156.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Relay - 372

Keep the fuel pump going

Brand:
SMP - Corporate Logo
ES#:
4877157
Mfg#:
4D0951253
Ships in 1 Business Day
$81.99

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

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Hose

ES#2515625 - 058133356L - Turbo Inlet Hose - Connects the MAF housing to the turbo - MTC - Audi Volkswagen

Connects the MAF housing to the turbo

Brand:
MTC - Corporate Logo
ES#:
2515625
Mfg#:
058133356L
Ships in 6 Business Days
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#261828 - 8D0121403L - Coolant Expansion Tank - Includes integrated coolant level sensor - Meyle - Audi Volkswagen

Includes integrated coolant level sensor 5X 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:
Meyle - Corporate Logo
ES#:
261828
Mfg#:
8D0121403L
Ships on Oct 5, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 2

ES#2608135 - 030121121BKT3 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes
Engine codes AEB & ATW from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608135
Mfg#:
030121121BKT3
Ships in 1 day
ON SALE!
$161.99

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

$153.95 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

SAI/EGR Valve Adapter Gasket - Priced Each

ES#4828 - 078131120M - SAI/EGR Valve Adapter Gasket - Priced Each - Seals the combi valve adapter to the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Seals the combi valve adapter to the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4828
Mfg#:
078131120M
In Stock
$4.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit With Tensioners & ECS Performance Kevlar Reinforced Accessory Belts

ES#4305030 - 058903133DKT4 - Accessory Belt Kit With Tensioners & ECS Performance Kevlar Reinforced Accessory Belts - Keep your accessories running properly with new tensioners and drive belts - Assembled By ECS - Audi

Keep your accessories running properly with new tensioners and drive belts 10X Entries Into Our F80 M3 Sweepstakes
Engine code AWM

Brand:
Assembled By ECS - Corporate Logo
ES#:
4305030
Mfg#:
058903133DKT4
Ships on Nov 12, 2026
ON SALE! SAVE 19%
$188.96

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

$153.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

ES#429716 - 8D0399151R - Transmission Mount - Priced Each - Fits the left and right side - Genuine Volkswagen Audi - Audi Volkswagen

Fits the left and right side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429716
Mfg#:
8D0399151R
Ships in 3 Business Days
10% off MSRP

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

$169.99

This product was last offered at the strikethrough price on
08-31-2026

$152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Guide - Priced Each

ES#2295 - 058103419 - Valve Guide - Priced Each - Fits intake and exhaust valves - Canyon Engine - Audi Volkswagen

Fits intake and exhaust valves

Brand:
Canyon Engine - Corporate Logo
ES#:
2295
Mfg#:
058103419
Ships in 1 Business Day
$9.99

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

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2594857 - 8D0121403L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Febi - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Febi - Corporate Logo
ES#:
2594857
Mfg#:
8D0121403L
Ships in 1 Business Day
$37.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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