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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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Turbo Coolant Hose - Return

ES#2909 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Continental - Audi Volkswagen

Connects the turbocharger to the hard water pipe We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2909
Mfg#:
058121471B
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#280017 - 06B121111K - Thermostat Assembly - Includes housing, gasket & sensor - Genuine Volkswagen Audi - Audi

Includes housing, gasket & sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280017
Mfg#:
06B121111K
In Stock
7% off MSRP

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

$370.99

This product was last offered at the strikethrough price on
07-27-2026

$345.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor Connector Repair Kit

ES#3189499 - 645-924 - Mass Air Flow Sensor Connector Repair Kit - Contact housing for the MAF sensor - Dorman - Audi Volkswagen

Contact housing for the MAF sensor

Brand:
Dorman - Corporate Logo
ES#:
3189499
Mfg#:
645-924
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valves - Set Of 12

ES#3614114 - st18taivn1103KT - Supertech Stainless Intake Valves - Set Of 12 - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi Volkswagen

Standard sized valve head diameter, factory triple groove keeper setup

Brand:
Supertech - Corporate Logo
ES#:
3614114
Mfg#:
ST18TAIVN1103KT
Ships in 6 Business Days
$343.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#2642857 - 06B903119D - Alternator Pulley - Does not include securing hardware - Ina - Audi

Does not include securing hardware We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2642857
Mfg#:
06B903119D
Ships in 1 day
$85.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE 180 Tool Steel Wrist Pin Upgrade - Priced Each

ES#4883051 - 787225018TTC - JE 180 Tool Steel Wrist Pin Upgrade - Priced Each - For use with 20mm JE Piston sets - Integrated Engineering - Audi Volkswagen

For use with 20mm JE Piston sets 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4883051
Mfg#:
787225018TTC
In Stock at Vendor
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

shouldered Plastic Nut - Priced Each

ES#438230 - 8E0825265C - shouldered Plastic Nut - Priced Each - Install new hardware with your new parts. - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. Used to secure the plastic underbody linings to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
438230
Mfg#:
8E0825265C
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
07-27-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Pack - Level 1

ES#4017065 - b618tpplvl1KT - B6 A4 1.8T Performance Pack - Level 1 - Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from VIN 8E-4-000001, split is in the 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017065
Mfg#:
B618TPPLVL1KT
In Stock
ON SALE! SAVE 13%
$389.99

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

$338.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Timing Gear

ES#279244 - 06A105263E - Crankshaft Timing Gear - Drives the timing belt from the crankshaft - Genuine Volkswagen Audi - Audi Volkswagen

Drives the timing belt from the crankshaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279244
Mfg#:
06A105263E
In Stock
ON SALE!
$118.99

This product was last offered at the strikethrough price on
06-25-2026

$112.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Blue

ES#4007245 - TS-0204-1131 - Turbosmart Gen-V Race Port BOV - Blue - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines *General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007245
Mfg#:
TS-0204-1131
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

81.00mm Piston Ring Kit - Priced Per Cylinder

ES#4735197 - R81-GNH8100 - 81.00mm Piston Ring Kit - Priced Per Cylinder - Set of rings for one piston in 81.00mm size, For Supertech pistons only. - Supertech - Audi Volkswagen

Set of rings for one piston in 81.00mm size, For Supertech pistons only.

Brand:
Supertech - Corporate Logo
ES#:
4735197
Mfg#:
R81-GNH8100
Ships in 6 Business Days
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#277547 - 058103221E - Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277547
Mfg#:
058103221E
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.

$71.99

This product was last offered at the strikethrough price on
07-27-2026

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Tensioner Roller

ES#2162896 - 06A109243A - Timing Belt Tensioner Roller - Also known as the Tensioning roller - Genuine Volkswagen Audi - Audi

Also known as the Tensioning roller

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2162896
Mfg#:
06A109243A
In Stock
ON SALE!
$175.99

This product was last offered at the strikethrough price on
06-25-2026

$166.73 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
In Stock at Vendor
$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

Radiator Installation Kit With Hoses

ES#2587710 - 8E0121049NKT1 - Radiator Installation Kit With Hoses - Everything you need to install a new radiator in your Audi - Assembled By ECS - Audi

Everything you need to install a new radiator in your Audi 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587710
Mfg#:
8E0121049NKT1
Back Ordered
Auto Notify
ON SALE! SAVE 11%
$372.99

This product was last offered at the strikethrough price on
02-26-2026

$332.13 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Spark Plugs - Set Of Four

ES#8034 - 5304-4 - Spark Plugs - Set Of Four - Keep your engine running strong with iridium core plugs. - Denso - Audi Volkswagen

Keep your engine running strong with iridium core plugs.

Brand:
Denso - Corporate Logo
ES#:
8034
Mfg#:
5304-4
Ships in 1 Business Day
$33.00 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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