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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Timing Parts

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Thermostat (80°C)

ES#3234733 - 050121113B - Thermostat (80C) - Prevent overheating and premature engine wear with a lower opening temperature - Gates - Audi

Prevent overheating and premature engine wear with a lower opening temperature

Brand:
Gates - Corporate Logo
ES#:
3234733
Mfg#:
050121113B
Ships on Sep 11, 2026
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#272857 - 030121121B - Thermostat Housing - Located on the water pump assembly - Genuine Volkswagen Audi - Audi Volkswagen

Located on the water pump assembly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272857
Mfg#:
030121121B
Ships in 1-2 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.

$40.99

This product was last offered at the strikethrough price on
08-20-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Crankshaft Seal

ES#2873291 - 054115147B - Front Crankshaft Seal - Stop oil leaks and prevent internal engine damage. 35x48x10 - 054115147B - Febi - Audi Volkswagen

Stop oil leaks and prevent internal engine damage. 35x48x10 - 054115147B 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873291
Mfg#:
054115147B
In Stock
ON SALE! SAVE 10%
$17.99

This product was last offered at the strikethrough price on
08-20-2026

$16.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#469403 - N90256202 - Hex Bolt - Priced Each - Install new hardware with your new parts. M10x1.25x30 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10x1.25x30 Secures the intermediate shaft gear

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469403
Mfg#:
N90256202
Ships in 1-2 days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#3234734 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear - Gates - Audi Volkswagen

Prevent overheating and premature engine wear

Brand:
Gates - Corporate Logo
ES#:
3234734
Mfg#:
050121113C
In Stock
Limited Qty Sale
$44.99

This product was last offered at the strikethrough price on
06-17-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Timing Belt Idler Pulley

ES#4389868 - 06B109244 - Engine Timing Belt Idler Pulley - SKF - Audi Volkswagen

Brand:
SKF - Corporate Logo
ES#:
4389868
Mfg#:
06B109244
Ships in 10 Business Days
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Cover Spring Clip - Priced Each

ES#253160 - 078109150A - Timing Cover Spring Clip - Priced Each - Keep your timing belt covered with these new clips - Genuine Volkswagen Audi - Audi

Keep your timing belt covered with these new clips Engine codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253160
Mfg#:
078109150A
Ships in 1-2 days
13% off MSRP

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

$7.99

This product was last offered at the strikethrough price on
08-20-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#3149450 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear - Wahler - Audi Volkswagen

Prevent overheating and premature engine wear

Brand:
Wahler - Corporate Logo
ES#:
3149450
Mfg#:
050121113C
Ships on Sep 16, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Belt Idler Roller

ES#3970097 - 03L109244D - Upper Timing Belt Idler Roller - Replace with timing belt service - Meyle - Audi Volkswagen

Replace with timing belt service 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970097
Mfg#:
03L109244D
Ships on Sep 9, 2026
$22.99 USD
Free Shipping
on orders $49 and up

Woodruff Key

ES#11782 - n0127082 - Woodruff Key - For mounting the timing gear - Genuine Volkswagen Audi - Audi Volkswagen

For mounting the timing gear Engine codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11782
Mfg#:
N0127082
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#467312 - N10051507 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x15 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x15 Engine code AWM. Secures the lower timing belt cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467312
Mfg#:
N10051507
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Cover Spring Clip - Priced Each

ES#276345 - 048109150 - Timing Cover Spring Clip - Priced Each - Keep your timing belt covered with these new clips - Genuine Volkswagen Audi - Audi Volkswagen

Keep your timing belt covered with these new clips Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
276345
Mfg#:
048109150
Ships in 5 Business Days
5% off MSRP

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

$19.99

This product was last offered at the strikethrough price on
08-20-2026

$18.99 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

Seal

Brand:
SKF - Corporate Logo
ES#:
4389824
Mfg#:
038103085C
Ships in 10 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#465752 - N0103324 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x32 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M8x32 Engine codes AEB & ATW. Secures the relay roller

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465752
Mfg#:
N0103324
Ships in 1-2 days
$6.99 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
Ships in 3 Business Days
ON SALE! SAVE 33%
$3.99

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

$2.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Timing Parts

Prevent catastrophic engine damage: replace your timing belt and related components every six years, or at certain mileage intervals recommended in your vehicle maintenance schedule, whichever comes first. Buy individual timing service parts or purchase our famous timing belt service kits, complete with all the parts and fluid needed for a professional quality timing belt service.

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Manufacturer names and/or part numbers are used only for identification purposes.

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