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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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ES#2784773 - CO0LANTFLUSHKT2 - Cooling System Flush Kit - Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. - Assembled By ECS - Audi Volkswagen

Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2784773
Mfg#:
CO0LANTFLUSHKT2
In Stock
ON SALE! SAVE 22%
$80.99

This product was last offered at the strikethrough price on
06-18-2026

$63.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4355218 - 06e905115gKT - Coil Pack - Set Of Four - Dress up your engine bay and restore performance with these red coil packs - Bremi - Audi Volkswagen

Dress up your engine bay and restore performance with these red coil packs To be used with 2.0T conversion plate only

Brand:
Bremi - Corporate Logo
ES#:
4355218
Mfg#:
06E905115GKT
In Stock
$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#591 - 06A115561B - Oil Filter - Priced Each - Replaces OEM# 06A115561B Keep debris out of your oil and keep your engine running healthy - Mann - Audi Volkswagen

Replaces OEM# 06A115561B Keep debris out of your oil and keep your engine running healthy

Brand:
Mann - Corporate Logo
ES#:
591
Mfg#:
06A115561B
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
ES#1597683 - 8D0805960 - Speed Nut - Priced Each - Fits silver colored screws with attached washers - Genuine Volkswagen Audi - Audi Volkswagen

Fits silver colored screws with attached washers Used in securing the belly pan to the vehicle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1597683
Mfg#:
8D0805960
In Stock
3% off MSRP

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

$9.62

This product was last offered at the strikethrough price on
11-10-2026

$9.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818434 - 06A145710P - Diverter Valve - A great upgrade for stock to mildly tuned engines - Bremmen Parts - Audi Volkswagen

A great upgrade for stock to mildly tuned engines 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818434
Mfg#:
06A145710P
In Stock
ON SALE! SAVE 30%
$42.99

This product was last offered at the strikethrough price on
11-07-2026

$30.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4007248 - TS-0204-1132 - Turbosmart Gen-V Race Port BOV - Black  - 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#:
4007248
Mfg#:
TS-0204-1132
In Stock at Vendor
10% off MSRP

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

$355.99

This product was last offered at the strikethrough price on
11-04-2026

$320.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2826334 - 06A906283EKT - Waste Gate Frequency Control N75 Valve - Get your turbo back in action with a new N75 valve - Includes clamps - Assembled By ECS - Audi

Get your turbo back in action with a new N75 valve - Includes clamps 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2826334
Mfg#:
06A906283EKT
In Stock
ON SALE! SAVE 40%
$95.99

This product was last offered at the strikethrough price on
11-07-2026

$57.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3624004 - 06A115105B - Engine Oil Pump  - Keeps oil flowing through the engine - Genuine European Volkswagen Audi - Audi Volkswagen

Keeps oil flowing through the engine

Brand:
Genuine European Volkswagen Audi - Corporate Logo
ES#:
3624004
Mfg#:
06A115105B
In Stock
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2827275 - SSXAU089 - Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips Fits 5 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827275
Mfg#:
SSXAU089
Ships on Dec 2, 2026
ON SALE! SAVE 15%
$1875.99

This product was last offered at the strikethrough price on
11-08-2026

$1594.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827276 - SSXAU090 - Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips Fits 6 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827276
Mfg#:
SSXAU090
Ships on Dec 2, 2026
ON SALE! SAVE 15%
$1875.99

This product was last offered at the strikethrough price on
11-08-2026

$1594.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3183526 - 443951253AA - Fan Relay "219" - A failed 219 relay can leave your fan running and cause a dead battery - Vemo - Audi Volkswagen

A failed 219 relay can leave your fan running and cause a dead battery Used for fan control

Brand:
Vemo - Corporate Logo
ES#:
3183526
Mfg#:
443951253AA
In Stock
$39.99

This product was last offered at the strikethrough price on
06-01-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3106950 - 140100 - Performance Cat-Back Exhaust System - 2" stainless steel with dual 3.19" polished stainless tips - Borla - Audi

2" stainless steel with dual 3.19" polished stainless tips

Brand:
Borla - Corporate Logo
ES#:
3106950
Mfg#:
140100
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.

$1779.99

This product was last offered at the strikethrough price on
11-04-2026

$1588.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3028669 - 034145A042 - Turbo Inlet Hose - 2.0" - To be used in conjunction with 2.75" ID MAF housing and K04/Frankenturbo F21 turbochargers - 034Motorsport - Audi Volkswagen

To be used in conjunction with 2.75" ID MAF housing and K04/Frankenturbo F21 turbochargers 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

Brand:
034Motorsport - Corporate Logo
ES#:
3028669
Mfg#:
034145A042
In Stock
$226.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827253 - SSXAU034 - Cat-Back Exhaust - Resonated  - 2.5" stainless steel and 90mm tips - Milltek Sport - Audi

2.5" stainless steel and 90mm tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827253
Mfg#:
SSXAU034
Ships on Dec 2, 2026
ON SALE! SAVE 15%
$1856.99

This product was last offered at the strikethrough price on
11-08-2026

$1577.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827252 - SSXAU033 - Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual 90mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 90mm polished tips Fits 5 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827252
Mfg#:
SSXAU033
Ships on Dec 2, 2026
ON SALE! SAVE 15%
$1856.99

This product was last offered at the strikethrough price on
11-08-2026

$1577.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#274942 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - Genuine Volkswagen Audi - Audi Volkswagen

Seals oil level sensor to the oil pan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274942
Mfg#:
038103196
In Stock
26% off MSRP

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

$14.95

This product was last offered at the strikethrough price on
11-10-2026

$10.99 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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