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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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Racing Timing Belt

ES#4671631 - T317RB - Racing Timing Belt - The most important belt on your engine - Gates - Audi Volkswagen

The most important belt on your engine

Brand:
Gates - Corporate Logo
ES#:
4671631
Mfg#:
T317RB
In Stock at Vendor
$185.99

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

$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2586588 - 06B133555CATWKT - Fuel Injector Installation Kit - Includes everything required to replace the fuel injectors - Genuine Volkswagen Audi - Audi

Includes everything required to replace the fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2586588
Mfg#:
06B133555CATWKT
Ships in 4 Business Days
$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor Cover Kit

ES#2568268 - 03G103707KT1 - Oil Level Sensor Cover Kit - Includes sensor hole cover, gasket, and retaining hardware - Assembled By ECS - Audi Volkswagen

Includes sensor hole cover, gasket, and retaining hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2568268
Mfg#:
03G103707KT1
In Stock
ON SALE! SAVE 11%
$50.99

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

$45.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay Roller

ES#2187571 - 078109244H - Relay Roller - The idler pulley for the toothed timing belt - URO - Audi Volkswagen

The idler pulley for the toothed timing belt 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187571
Mfg#:
078109244H
In Stock
$21.23

This product was last offered at the strikethrough price on
02-24-2026

$18.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - Matte Silver

ES#2847752 - FMDV008MS - 008 Premium Diverter Valve - Matte Silver - Smaller, tougher and tuneable - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable

Brand:
Forge - Corporate Logo
ES#:
2847752
Mfg#:
FMDV008MS
Back Ordered
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Four

ES#2539027 - 06B905115E - Ignition Coils - Set Of Four - A common cure for misfire codes - Meyle - Audi Volkswagen

A common cure for misfire codes 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2539027
Mfg#:
06B905115E
In Stock
$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2813045 - 06B905115E - Ignition Coil - Priced Each - Keep your engine running smooth. - Hamburg Tech - Audi Volkswagen

Keep your engine running smooth. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813045
Mfg#:
06B905115E
Ships in 2 Business Days
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2972929 - 059919501AKT2 - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - Hamburg Tech - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head We Price Match - Give Us A Call or Chat!
From VIN 8D-Y-000001, split is in the 2000 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2972929
Mfg#:
059919501AKT2
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperTech Valve Spring - Exhaust - Priced Each

ES#2102472 - SPR-H1002D-AU - SuperTech Valve Spring - Exhaust - Priced Each - Super Clean Chrome silicon Vanadium Steel alloy for the highest performance and durability at high rpm's. - Supertech - Audi Volkswagen

Super Clean Chrome silicon Vanadium Steel alloy for the highest performance and durability at high rpm's.

Brand:
Supertech - Corporate Logo
ES#:
2102472
Mfg#:
SPR-H1002D-AU
Ships in 9 Business Days
$14.99 USD
Free Shipping
on orders $49 and up

Heat Insulation

ES#5320 - 8D0971461 - Heat Insulation - Small OEM heat insulation, approx 4x4, that can be used in multiple applications - Genuine Volkswagen Audi - Audi Volkswagen

Small OEM heat insulation, approx 4x4, that can be used in multiple applications

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5320
Mfg#:
8D0971461
Ships in 1-2 days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Chain Tensioner

ES#4390828 - 058109088K - Camshaft Chain Tensioner - Applies tension to the camshaft timing chain - VIKA - Audi Volkswagen

Applies tension to the camshaft timing chain For vehicles with AWM engine code only

Brand:
VIKA - Corporate Logo
ES#:
4390828
Mfg#:
058109088K
Ships in 1-2 days
$183.99

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

$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Fan Assembly

ES#4415012 - 4B3959457 - Cooling Fan Assembly - VDO - Audi

We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
4415012
Mfg#:
4B3959457
Special Order: No Guaranteed ETA
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 3

ES#2608145 - 050121113CKT5 - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608145
Mfg#:
050121113CKT5
Ships in 2 Business Days
ON SALE!
$185.99

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

$178.81 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

AEM 3.5 BAR Stainless Steel MAP Sensor

ES#3980550 - 30-2130-50 - AEM 3.5 BAR Stainless Steel MAP Sensor - High-quality stainless steel sensor, accurate to within +/- 1% Full Scale over -40C to 105C - Includes repeatability, hysteresis and linearity - AEM Electronics - Audi Volkswagen

High-quality stainless steel sensor, accurate to within +/- 1% Full Scale over -40C to 105C - Includes repeatability, hysteresis and linearity *General fitment MAP sensor for performance forced induction applications - Not direct fit, modifications may be necessary for install*

Brand:
AEM Electronics - Corporate Logo
ES#:
3980550
Mfg#:
30-2130-50
In Stock at Vendor
11% off MSRP

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

$200.99

This product was last offered at the strikethrough price on
07-28-2026

$177.99 USD
Free Shipping
on orders $49 and up

Breather Tube

ES#279948 - 06B103213K - Breather Tube - Connects the hose connector to the PCV elbow - Genuine Volkswagen Audi - Audi Volkswagen

Connects the hose connector to the PCV elbow Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279948
Mfg#:
06B103213K
Ships in 4 Business Days
6% off MSRP

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

$189.99

This product was last offered at the strikethrough price on
07-28-2026

$177.99 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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