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Audi B5 A4 Quattro 1.8T Most Popular Parts

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Average gain of 45 horsepower and 99 lb-ft of torque on 93 Octane @ 20 PSI For vehicles with ATW & AWM engine codes only

Brand:
Tunezilla - Corporate Logo
ES#:
3097326
Mfg#:
18T-20V-170-1.5
Ships in 7 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 51 horsepower and 65 lb-ft of torque on 93 Octane @ 18 PSI For vehicles with AEB engine code from the 2000 model year only

Brand:
Tunezilla - Corporate Logo
ES#:
3097322
Mfg#:
18T-20V-150-1.5
Ships in 7 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3647471 - ST-AEVI-1103S - Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each  - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use *Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati

Brand:
Supertech - Corporate Logo
ES#:
3647471
Mfg#:
ST-AEVI-1103S
Back Ordered
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3677577 - g052145s2kt4KT - Rear Differential Service Kit - With ECS Magnetic Drain/Fill Plug - Complete kit with Genuine Audi 75w90 fluid to service your rear differential - Assembled By ECS - Audi

Complete kit with Genuine Audi 75w90 fluid to service your rear differential 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677577
Mfg#:
G052145S2KT4KT
In Stock
ON SALE!
$158.99

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

$149.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2973093 - 034-306-0001 - Rear Big Brake Upgrade (300x22) - Upgrade to 300mm rear brake rotors from the B6/B7 S4 models. - 034Motorsport - Audi

Upgrade to 300mm rear brake rotors from the B6/B7 S4 models. Does not include rotors - To be used with 300x22 rear rotors from the B6/B7 S4 models

Brand:
034Motorsport - Corporate Logo
ES#:
2973093
Mfg#:
034-306-0001
Ships on Sep 9, 2026
ON SALE! SAVE 10%
$247.00

This product was last offered at the strikethrough price on
08-17-2026

$222.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3219076 - 8D0260805R - A/C Compressor  - Includes the electromagnetic clutch assembly - Nissens - Audi Volkswagen

Includes the electromagnetic clutch assembly We Price Match - Give Us A Call or Chat!
Engine code AWM

Brand:
Nissens - Corporate Logo
ES#:
3219076
Mfg#:
8D0260805R
In Stock at Vendor
$455.99

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

$442.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2993025 - 079131101AR - EGR Valve - Also known as the 'combi valve' - Genuine Volkswagen Audi - Audi Volkswagen

Also known as the 'combi valve' Engine code AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993025
Mfg#:
079131101AR
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.

$483.99

This product was last offered at the strikethrough price on
08-17-2026

$442.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261235 - 038103085C - Camshaft / Crankshaft Seal - Priced Each - PTFE design to stop oil leaks and prevent internal engine damage. 47x10x32 - Genuine Volkswagen Audi - Audi Volkswagen

PTFE design to stop oil leaks and prevent internal engine damage. 47x10x32 Camshaft Seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261235
Mfg#:
038103085C
In Stock
Limited Qty Sale
$40.99

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

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2200633 - AP76571A - 76-57.1 Hub Centric Ring - Set Of Four - Plastic 76.0mm to 57.1mm hub centric rings for proper wheel fitment - ECS - Audi Volkswagen

Plastic 76.0mm to 57.1mm hub centric rings for proper wheel fitment 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2200633
Mfg#:
AP76571A
In Stock
ON SALE! SAVE 25%
$30.99

This product was last offered at the strikethrough price on
06-13-2026

$23.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2413 - B5SCP - Steering Column Mounted Gauge Pod - Fits easily over the upper steering column trim - New South Performance - Audi

Fits easily over the upper steering column trim

Brand:
New South Performance - Corporate Logo
ES#:
2413
Mfg#:
B5SCP
In Stock
$40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3524749 - GS2DGS-G - BFI Heavy Weight Shift Knob SCHWARZ - Air Leather - Gold Top  - Just because your car doesn't have a third pedal, doesn't mean you should be stuck with some goofy shifter. - Black Forest Industries - Audi Volkswagen

Just because your car doesn't have a third pedal, doesn't mean you should be stuck with some goofy shifter.

Brand:
Black Forest Industries - Corporate Logo
ES#:
3524749
Mfg#:
GS2DGS-G
Ships on Sep 18, 2026
$219.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2772076 - 058133753D - Suction Pump - Restore engine performance - URO - Audi Volkswagen

Restore engine performance 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2772076
Mfg#:
058133753D
In Stock
$28.42

This product was last offered at the strikethrough price on
03-25-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3675 - 058133063Q - Throttle Body Assembly - Cable driven assembly for intake air - Continental - Audi Volkswagen

Cable driven assembly for intake air We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3675
Mfg#:
058133063Q
In Stock at Vendor
$476.99

This product was last offered at the strikethrough price on
04-03-2026

$436.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2802362 - 8D0407309 - Inner CV Gasket - Priced Each - Located between the CV joint & flange. 90mm - Rein - Audi Volkswagen

Located between the CV joint & flange. 90mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802362
Mfg#:
8D0407309
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4043298 - 2210-11010 - AWE Drive Train Stabilizer DTS - Poly Mount - CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement. - AWE - Audi Volkswagen

CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement.

Brand:
AWE - Corporate Logo
ES#:
4043298
Mfg#:
2210-11010
Ships in 5 Business Days
$435.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4043299 - 2210-11012 - AWE Drive Train Stabilizer DTS - Rubber Mount - CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement. - AWE - Audi Volkswagen

CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement.

Brand:
AWE - Corporate Logo
ES#:
4043299
Mfg#:
2210-11012
Ships in 5 Business Days
$435.00 USD
This product is lifetime replacement eligible Lifetime Replacement

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