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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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Accessory Belt Kit W/ Tensioners

ES#2581735 - 058903133DMTCKT1 - Accessory Belt Kit W/ Tensioners - 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 For Our 25th Anniversary Sweepstakes!
Engine codes AEB & ATW

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581735
Mfg#:
058903133DMTCKT1
Ships in 6 Business Days
ON SALE!
$125.99

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

$116.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#2717921 - 028117021L - Engine Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Vemo - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block From VIN 8D-X-300001, split is in the 1999 model year

Brand:
Vemo - Corporate Logo
ES#:
2717921
Mfg#:
028117021L
In Stock at Vendor
$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2581850 - 050121113ckt-1 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2581850
Mfg#:
050121113CKT-1
Ships in 1 day
$119.99

This product was last offered at the strikethrough price on
07-26-2026

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3463132 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Hudson - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank

Brand:
Hudson - Corporate Logo
ES#:
3463132
Mfg#:
4B0121055J
Ships in 1 day
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wrist Pin Lock Ring - Priced Each

ES#251859 - N0122731 - 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 codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251859
Mfg#:
N0122731
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#277731 - 058905379 - Air Temperature Sensor - Measures the temperature of the air entering the engine - Genuine Volkswagen Audi - Audi Volkswagen

Measures the temperature of the air entering the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277731
Mfg#:
058905379
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.

$121.99

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

$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2627317 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Rein - Audi Volkswagen

Connects the lower radiator port to the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627317
Mfg#:
8D0121055T
Ships in 3 Business Days
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Cam Follower - Priced Each

ES#277587 - 058109309E - Exhaust Cam Follower - Priced Each - Replace your worn down followers - Genuine Volkswagen Audi - Audi Volkswagen

Replace your worn down followers

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277587
Mfg#:
058109309E
Ships in 1 day
7% 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

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - With ECS Magnetic Drain Plug

ES#2731738 - MK44C3KKT3 - Oil Service Kit - With ECS Magnetic Drain Plug - Includes large Mann oil filter and Vaico 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes large Mann oil filter and Vaico 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#:
2731738
Mfg#:
MK44C3KKT3
Ships on Oct 14, 2026
Auto Notify
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Secondary Air Injection Hose - Outlet

ES#2918547 - 058133817D - Secondary Air Injection Hose - Outlet - Connects the secondary air pump to the metal pipe - Vaico Q+ - Audi Volkswagen

Connects the secondary air pump to the metal pipe Engine codes ATW & AWM

Brand:
Vaico Q+ - Corporate Logo
ES#:
2918547
Mfg#:
058133817D
Ships in 1 day
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2587165 - 06A121012G - Water Pump - Prevent overheating by keeping your coolant flowing. - Graf - Audi

Prevent overheating by keeping your coolant flowing.

Brand:
Graf - Corporate Logo
ES#:
2587165
Mfg#:
06A121012G
Ships in 3 Business Days
$57.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Chain

ES#2813005 - 06A115125 - Oil Pump Chain - Drives the oil pump from the crankshaft - Hamburg Tech - Audi Volkswagen

Drives the oil pump from the crankshaft We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813005
Mfg#:
06A115125
In Stock
Limited Qty Sale
$16.99

This product was last offered at the strikethrough price on
07-14-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#465713 - N01024425 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x30 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x30 Engine codes AEB & ATW. Secures the snub mount bracket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465713
Mfg#:
N01024425
Ships in 1 day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#270894 - 028103171B - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Genuine Volkswagen Audi - Audi Volkswagen

Also referred to as the rear main seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270894
Mfg#:
028103171B
Ships in 1 day
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
06-04-2026

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

Timing Belt Dampener

ES#4141680 - 058109479B - Timing Belt Dampener - For use with the updated tensioner, does not include relay roller - SKF - Audi Volkswagen

For use with the updated tensioner, does not include relay roller

Brand:
SKF - Corporate Logo
ES#:
4141680
Mfg#:
058109479B
Back Ordered
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Autobahn Autoworx Boost Hose Kit

ES#4429740 - AUTB5002 - Autobahn Autoworx Boost Hose Kit - Improve flow and looks - Autobahn Autoworx - Audi Volkswagen

Improve flow and looks

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4429740
Mfg#:
AUTB5002
Ships in 3 Business Days
Starting at $110.00 USD
Customize
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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