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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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ES#3139155 - 8E0121403 - Coolant Expansion Tank - Plastic reservoir for cooling system - Hudson - Audi

Plastic reservoir for cooling system

Brand:
Hudson - Corporate Logo
ES#:
3139155
Mfg#:
8E0121403
Ships in 1 day
$27.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3189917 - 82571 - Brake Fluid Reservoir Cap - Clean up your engine bay with a new cap - Dorman - Audi Volkswagen

Clean up your engine bay with a new cap

Brand:
Dorman - Corporate Logo
ES#:
3189917
Mfg#:
82571
Ships in 4 Business Days
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535177 - 8E0121403A - Coolant Expansion Tank - Replace your cracked or faded expansion tank. - URO - Audi

Replace your cracked or faded expansion tank. 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535177
Mfg#:
8E0121403A
Ships in 1 Business Day
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4415624 - 06B103033A - Coolant "J" Plug - Located on the block near the coolant regulator - URO - Audi

Located on the block near the coolant regulator 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4415624
Mfg#:
06B103033A
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2102470 - SEAT-H1000 - SuperTech Valve Seat - Priced Each - Supertech - Audi Volkswagen

Brand:
Supertech - Corporate Logo
ES#:
2102470
Mfg#:
SEAT-H1000
Ships in 8 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#469677 - N90355904 - Bolt (M8x30) - Install new hardware with your new parts - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts Secures the snub mount support bracket to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469677
Mfg#:
N90355904
Ships in 1 day
30% off MSRP

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

$8.50

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3956 - 06B109243B - Timing Belt Tensioner Roller - Also known as the Tensioning roller - NTN - Audi Volkswagen

Also known as the Tensioning roller

Brand:
NTN - Corporate Logo
ES#:
3956
Mfg#:
06B109243B
Special Order: No Guaranteed ETA
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#248362 - 035906149a - Fuel Injector O-Ring - Priced Each - Keep your injector from leaking. 7.52x3.53 - Victor Reinz - Audi Volkswagen

Keep your injector from leaking. 7.52x3.53

Brand:
Victor Reinz - Corporate Logo
ES#:
248362
Mfg#:
035906149A
In Stock
$2.99

This product was last offered at the strikethrough price on
09-30-2026

$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#437743 - 8E0803123C - Battery Securing Strip - Holds the battery in place and limits movement - Genuine Volkswagen Audi - Audi

Holds the battery in place and limits movement

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
437743
Mfg#:
8E0803123C
Ships in 1 day
13% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
10-26-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3676779 - 8E0201511J - Fuel Filter - Direct-fit in-line fuel filter built to deliver high-pressure fuel purification. - Hengst - Audi

Direct-fit in-line fuel filter built to deliver high-pressure fuel purification. 5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!
Up to VIN 8E-5-065000, split is in the 2005 model year

Brand:
Hengst - Corporate Logo
ES#:
3676779
Mfg#:
8E0201511J
Ships on Dec 3, 2026
$51.99 USD
Free Shipping
on orders $49 and up
ES#2575555 - 06A103213F - Crankcase Breather Hose  - Connects the oil filter adapter to the three-way valve housing - Hamburg Tech - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing We Price Match - Give Us A Call or Chat!
Up to VIN 8E-3-500000, split is in the 2003 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2575555
Mfg#:
06A103213F
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#442061 - 8E1907354A - ECU Housing Retainer - Secondary retainer for ECU cover - Genuine Volkswagen Audi - Audi

Secondary retainer for ECU cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
442061
Mfg#:
8E1907354A
Ships in 1 day
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419786 - 034-106-Z025 - FP34 Surge Tank Hardware Kit - -6AN Connections - Allows for -6AN connections for all inputs and outputs on the 034 FP34 Surge Tank - 034Motorsport - Audi Volkswagen

Allows for -6AN connections for all inputs and outputs on the 034 FP34 Surge Tank 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

Brand:
034Motorsport - Corporate Logo
ES#:
3419786
Mfg#:
034-106-Z025
Ships in 2 Business Days
$51.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2800368 - 06A103385A - Cylinder Head Bolt Set (10 X 115 mm) - Ajusa - Audi Volkswagen

Brand:
Ajusa - Corporate Logo
ES#:
2800368
Mfg#:
06A103385A
Ships in 3 Business Days
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280016 - 06B121101A - Coolant Hose - Connects the hard water pipe to the rear coolant flange - Genuine Volkswagen Audi - Audi

Connects the hard water pipe to the rear coolant flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280016
Mfg#:
06B121101A
Ships in 4 Business Days
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2102411 - 1J0907660B - Oil Level Sensor - Mounted on the bottom of the oil pan - MTC - Audi Volkswagen

Mounted on the bottom of the oil pan

Brand:
MTC - Corporate Logo
ES#:
2102411
Mfg#:
1J0907660B
Ships in 9 Business Days
$50.99 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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