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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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ES#3520844 - 06B121132E - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Holstein - Audi

Located at the rear of cylinder head, includes o-rings

Brand:
Holstein - Corporate Logo
ES#:
3520844
Mfg#:
06B121132E
Ships in 1 Business Day
$15.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3520825 - 038906051D - MAP Sensor  - Measures the pressure in the turbocharger system (small design MAP sensor) - Holstein - Audi Volkswagen

Measures the pressure in the turbocharger system (small design MAP sensor)

Brand:
Holstein - Corporate Logo
ES#:
3520825
Mfg#:
038906051D
Ships in 1 Business Day
$30.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4150823 - 058103383K - Cylinder Head Gasket - Stop leaks and restore engine power - Meistersatz - Audi Volkswagen

Stop leaks and restore engine power

Brand:
Meistersatz - Corporate Logo
ES#:
4150823
Mfg#:
058103383K
Ships in 3 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2992781 - SSXAU509 - 2.5" Non-resonated Cat-back Exhaust System - Stainless steel 2.5" cat-back exhaust systems. - Milltek Sport - Audi

Stainless steel 2.5" cat-back exhaust systems.

Brand:
Milltek Sport - Corporate Logo
ES#:
2992781
Mfg#:
SSXAU509
Ships on Dec 2, 2026
ON SALE! SAVE 15%
$1719.99

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

$1461.57 USD
Free Shipping
on orders $49 and up
ES#2627312 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Rein - Audi Volkswagen

Connects the turbocharger to the hard water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627312
Mfg#:
058121471B
Ships in 3 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
ES#4940215 - M127KT1 - Rennline OE+ Upgraded Ignition Coil - Set Of 4	 - Regain power loss & fuel economy from worn or failed ignition coils! - Rennline - Audi Volkswagen

Regain power loss & fuel economy from worn or failed ignition coils!

Brand:
Rennline - Corporate Logo
ES#:
4940215
Mfg#:
M127KT1
Ships in 5 Business Days
ON SALE! SAVE 15%
$192.00

This product was last offered at the strikethrough price on
11-09-2026

$163.20 USD
Free Shipping
on orders $49 and up
ES#5445108 - 06B911023AX - Volkswagen Audi Starter - SEG Automotive 0001.107.427 - SEG Automotive - Audi Volkswagen

From VIN 8E-5-040001, split is in the 2005 model year

Brand:
SEG Automotive - Corporate Logo
ES#:
5445108
Mfg#:
06B911023AX
Ships in 1 Business Day
$275.99

This product was last offered at the strikethrough price on
07-15-2026

$251.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5444953 - CMBMVL038JG043 - SPA Performance Forged Piston Set - For VW/Audi 1.8L 20V 82mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 82mm

Brand:
SPA Performance - Corporate Logo
ES#:
5444953
Mfg#:
CMBMVL038JG043
Ships in 3 Business Days
$749.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5445189 - CMBMVL044JG047 - SPA Performance Forged Piston Set - For VW/Audi 1.8L 20V 83mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 83mm

Brand:
SPA Performance - Corporate Logo
ES#:
5445189
Mfg#:
CMBMVL044JG047
Ships in 3 Business Days
$749.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5445194 - CMBMVL050JG051 - SPA Performance Forged Piston Set - For VW/Audi 1.8L 20V 83.5mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 83.5mm

Brand:
SPA Performance - Corporate Logo
ES#:
5445194
Mfg#:
CMBMVL050JG051
Ships in 3 Business Days
$749.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5445195 - CMBMVW050JG016 - Forged Piston And Connecting Rod Kit - For VW/Audi 1.8L 20V 83.5mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 83.5mm

Brand:
SPA Performance - Corporate Logo
ES#:
5445195
Mfg#:
CMBMVW050JG016
Ships in 3 Business Days
$949.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5457350 - 06A919081A - Oil Pressure Switch - Black - Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR - URO - Audi Volkswagen

Senses engine oil pressure for the ECU and warning light. 1.2-1.6 BAR 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5457350
Mfg#:
06A919081A
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
ES#5527276 - 06E121168B-PRM - Coolant Flange - Upgraded Metal  - Located on the engine block - URO Premium - Audi

Located on the engine block 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
5527276
Mfg#:
06E121168B-PRM
Ships in 1 Business Day
$64.99 USD
Free Shipping
ES#4859476 - 058133785B - VW | Hose, crankcase ventilation - Vaico - Audi Volkswagen

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4859476
Mfg#:
058133785B
Ships in 1 Business Day
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4859475 - 058133607G - VW | Hose, crankcase ventilation - Vaico - Audi Volkswagen

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4859475
Mfg#:
058133607G
Ships in 1 Business Day
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4859571 - 06B109111 - VAG | Gear/Sprocket, camshaft - Vaico - Audi Volkswagen

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4859571
Mfg#:
06B109111
Ships in 1 Business Day
$67.99 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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