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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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Mass Air Flow Sensor (MAF)

ES#5374642 - 06A906461L - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bremmen Parts - Audi Volkswagen

Restore fuel economy and performance 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374642
Mfg#:
06A906461L
Ships on Oct 15, 2026
Auto Notify
ON SALE! SAVE 21%
$67.99

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

$53.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#4772999 - 8E1819373R - Heater Core Hose - Return - Connects the heater core to the hard coolant pipe - Bremmen Parts - Audi

Connects the heater core to the hard coolant pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772999
Mfg#:
8E1819373R
In Stock
ON SALE! SAVE 22%
$20.99

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

$16.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - For Big Turbo

ES#3142475 - CTSB6A4FMIC600BT - Front Mount Intercooler Kit - For Big Turbo - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
3142475
Mfg#:
CTSB6A4FMIC600BT
Ships in 8 Business Days
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - For K03

ES#3046115 - CTSB6A4FMICKIT - Front Mount Intercooler Kit - For K03 - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
3046115
Mfg#:
CTSB6A4FMICKIT
Ships in 8 Business Days
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - 600HP Kit

ES#4369952 - CTSB6A4FMIC600 - Front Mount Intercooler Kit - 600HP Kit - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
4369952
Mfg#:
CTSB6A4FMIC600
Special Order: No Guaranteed ETA
$749.99 USD
Free Shipping

Injector Insert - Priced Each

ES#5289 - 06b133555h - Injector Insert - Priced Each - Secures the fuel injector correctly into the rail - Genuine Volkswagen Audi - Audi Volkswagen

Secures the fuel injector correctly into the rail

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5289
Mfg#:
06B133555H
In Stock
Auto Notify
ON SALE!
$10.78

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

$10.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#468761 - N10668401 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x16 Secures hard coolant return pipe to the thermostat assembly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468761
Mfg#:
N10668401
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.

$5.40

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

$5.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#2792760 - N90813201 - Oil Drain Plug - Includes crush washer. M14x1.5 - Febi - Audi Volkswagen

Includes crush washer. M14x1.5 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2792760
Mfg#:
N90813201
In Stock
$5.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Control Module (600W)

ES#441169 - 8E0959501AG - Radiator Fan Control Module (600W) - Keep your cooling system operating properly - Genuine Volkswagen Audi - Audi

Keep your cooling system operating properly Please check existing part number for proper control module

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
441169
Mfg#:
8E0959501AG
Ships in 3 Business Days
8% off MSRP

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

$811.99

This product was last offered at the strikethrough price on
03-23-2026

$742.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt Set

ES#261252 - 104-6004 - Connecting Rod Bolt Set - Pro-Series complete rod bolt set - ARP - Audi Volkswagen

Pro-Series complete rod bolt set 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
261252
Mfg#:
104-6004
Ships in 9 Business Days
$147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#4145022 - 06B905379D - Air Temperature Sensor - Mounted on the intake manifold - Hella - Audi Volkswagen

Mounted on the intake manifold

Brand:
Hella - Corporate Logo
ES#:
4145022
Mfg#:
06B905379D
In Stock
$37.99

This product was last offered at the strikethrough price on
03-23-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves.

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
Ships in 2 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Transmission Mount

ES#2952015 - 034-509-4021sd - Street Density Line Transmission Mount - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort Fits 5-speed manual transmissions only

Brand:
034Motorsport - Corporate Logo
ES#:
2952015
Mfg#:
034-509-4021SD
Ships in 2 Business Days
$121.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Copper Drain Plug Washer - Pack Of 5

ES#2265 - N138492 5PACK - Copper Drain Plug Washer - Pack Of 5 - Replace with every oil service to prevent leaks. M14x20x1.5 - Victor Reinz - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5

Brand:
Victor Reinz - Corporate Logo
ES#:
2265
Mfg#:
N138492 5PACK
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#259718 - N90687001 - Spring Clamp - Priced Each - Install new hardware with your new parts. 27x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 27x12 Secures the return/supply hoses to the heater core

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259718
Mfg#:
N90687001
In Stock
$8.99 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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