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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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Performance Stainless 2.5" Downpipe

ES#3175307 - 251229 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro manual transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175307
Mfg#:
251229
Ships in 4 Business Days
$275.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters)

ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Back Ordered
$40.99

This product was last offered at the strikethrough price on
03-29-2026

$29.99 USD
Free Shipping
on orders $49 and up

Ultimate Timing Belt Kit

ES#1342 - 058198479 V2 - Ultimate Timing Belt Kit - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi Volkswagen

Complete kit to service your timing belt, water pump, and thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AEB or ATW engine codes only

Brand:
Assembled By ECS - Corporate Logo
ES#:
1342
Mfg#:
058198479 V2
Ships in 10 Business Days
Auto Notify
ON SALE!
$449.40

This product was last offered at the strikethrough price on
04-04-2026

$410.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Exact-Fit High Flow Air Filter - Dry

ES#4461006 - 012054LA18-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - Audi Volkswagen

High flow filter replacement to get your engine breathing better than new! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4461006
Mfg#:
012054LA18-DRY
In Stock
ON SALE! SAVE 20%
$69.99

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

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

Oil Pressure Switch - Black

ES#2681778 - 06A919081J - Oil Pressure Switch - Black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - Rein - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2681778
Mfg#:
06A919081J
Ships in 1 Business Day
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Level Sensor Blockoff Plate

ES#3140168 - 018324ECS01A - Billet Aluminum Oil Level Sensor Blockoff Plate - The perfect compliment for oil pans that do not require an oil level sensor but have provisions of - ECS - Audi Volkswagen

The perfect compliment for oil pans that do not require an oil level sensor but have provisions of affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3140168
Mfg#:
018324ECS01A
In Stock
ON SALE! SAVE 25%
$43.99

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

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Gasket/Silicone Sealant - 80ml

ES#2679504 - D176404M2 - Oil Pan Gasket/Silicone Sealant - 80ml - Useful for the creation of many gaskets - Genuine Volkswagen Audi - Audi Volkswagen

Useful for the creation of many gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2679504
Mfg#:
D176404M2
In Stock
29% off MSRP

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

$38.58

This product was last offered at the strikethrough price on
06-10-2026

$27.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Pump

ES#3624004 - 06A115105B - Engine Oil Pump - Keeps oil flowing through the engine - Genuine European Volkswagen Audi - Audi Volkswagen

Keeps oil flowing through the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine European Volkswagen Audi - Corporate Logo
ES#:
3624004
Mfg#:
06A115105B
Ships in 2 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#3485290 - 2Q0121321A - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3485290
Mfg#:
2Q0121321A
In Stock
2% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
06-10-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Tensioning Roller

ES#1306812 - 06B109243E - Timing Belt Tensioning Roller - Applies the pressure from the damper to the timing belt - NTN - Audi Volkswagen

Applies the pressure from the damper to the timing belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-1-042385, split is in the 2001 model year

Brand:
NTN - Corporate Logo
ES#:
1306812
Mfg#:
06B109243E
Ships in 3 Business Days
$67.85

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

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K03 Turbocharger

ES#251724 - 058145703J - K03 Turbocharger - Restore boost and get going! - BorgWarner - Audi Volkswagen

Restore boost and get going! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BorgWarner - Corporate Logo
ES#:
251724
Mfg#:
058145703J
Ships in 1 Business Day
$780.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#1942 - 8D1819030B - Heater Core - Stop coolant loss and cure a fogged windshield - Febi - Audi Volkswagen

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
1942
Mfg#:
8D1819030B
In Stock
$58.25

This product was last offered at the strikethrough price on
05-12-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum 1.8T Fuel Injector Cup - Priced Each

ES#4899976 - 045960LA01-01 - Billet Aluminum 1.8T Fuel Injector Cup - Priced Each - Upgrade to heavy-duty billet aluminum construction for maximum durability! - ECS - Audi Volkswagen

Upgrade to heavy-duty billet aluminum construction for maximum durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
For Vehicles with Engine Codes ATW and AWM.

Brand:
ECS - Corporate Logo
ES#:
4899976
Mfg#:
045960LA01-01
In Stock
ON SALE! SAVE 20%
$19.99

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

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

Valve Cover Gasket Set

ES#4818423 - 058198025A - Valve Cover Gasket Set - Stop oil leaks and prevent internal engine damage - Bremmen Parts - Audi Volkswagen

Stop oil leaks and prevent internal engine damage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818423
Mfg#:
058198025A
In Stock
ON SALE! SAVE 20%
$21.99

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

$17.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket Set

ES#1751 - 058198012 - Cylinder Head Gasket Set - Includes most major cylinder head gaskets and seals - Victor Reinz - Audi Volkswagen

Includes most major cylinder head gaskets and seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
1751
Mfg#:
058198012
In Stock
$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pento Super Performance III 504.00 / 507.00 Engine Oil (5w-30) - 5 Liter

ES#1884221 - SP3-5L - Pento Super Performance III 504.00 / 507.00 Engine Oil (5w-30) - 5 Liter - Designed to replace all the previous VAG oil specifications. Must be used in the newest TDI engines. - Pentosin - Audi BMW Volkswagen Mercedes Benz Porsche

Designed to replace all the previous VAG oil specifications. Must be used in the newest TDI engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
1884221
Mfg#:
SP3-5L
Ships in 4 Business Days
$72.74 USD
Free Shipping
on orders $49 and up

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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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