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Audi C5 A6 Quattro 4.2 Engine Parts & Accessories

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ES#4220586 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Rein - Audi

Plastic pressure cap for expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4220586
Mfg#:
8E0121321
In Stock at Vendor
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3189916 - 80989 - Engine Oil Fill 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#:
3189916
Mfg#:
80989
Ships in 4 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4057465 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Victor Reinz - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm

Brand:
Victor Reinz - Corporate Logo
ES#:
4057465
Mfg#:
N90316802
Ships in 2 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4001235 - fgr7dqe0-8 - Spark Plugs - Set Of Eight (Nickel) - Keep your motor running smoothly with a set of new spark plugs - Bosch - Audi BMW

Keep your motor running smoothly with a set of new spark plugs We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4001235
Mfg#:
FGR7DQE0-8
Ships in 1 Business Day
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5261 - n90921901 - Mass Air Flow Sensor Gasket - Creates an air tight seal between the MAF and the air cleaner - Genuine Volkswagen Audi - Audi

Creates an air tight seal between the MAF and the air cleaner

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5261
Mfg#:
N90921901
Ships in 1-2 days
16% off MSRP

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

$43.99

This product was last offered at the strikethrough price on
10-05-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2684 - N0138503 - Drain Plug Washer - Priced Each - Replace with every oil service to prevent leaks. 24x32 - Elring - Audi Volkswagen

Replace with every oil service to prevent leaks. 24x32 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2684
Mfg#:
N0138503
In Stock
$3.99

This product was last offered at the strikethrough price on
09-07-2026

$2.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#282201 - 077103181H - Rear Sealing Flange Gasket - Seals the rear sealing flange to the engine block - Genuine Volkswagen Audi - Audi Volkswagen

Seals the rear sealing flange to the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
282201
Mfg#:
077103181H
Ships in 1-2 days
14% off MSRP

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

$41.99

This product was last offered at the strikethrough price on
08-31-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2649750 - 059919501AKT3 -  Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Vemo - Audi Volkswagen

Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color

Brand:
Vemo - Corporate Logo
ES#:
2649750
Mfg#:
059919501AKT3
In Stock
$18.99

This product was last offered at the strikethrough price on
10-20-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2608066 - 8D0805121B - Dowel Pin - Priced Each - Secures the belly pan to the vehicle. 6x20 - Vaico - Audi Volkswagen

Secures the belly pan to the vehicle. 6x20 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2608066
Mfg#:
8D0805121B
In Stock
$6.99

This product was last offered at the strikethrough price on
07-08-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2684939 - 059109479B - Timing Belt Tensioner Dampener - Applies pressure to the tensioning roller - NTN - Audi

Applies pressure to the tensioning roller Up to Vin#Y-130000, split is in model year 2000

Brand:
NTN - Corporate Logo
ES#:
2684939
Mfg#:
059109479B
Ships on Nov 24, 2026
$69.31 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1873 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - Meyle - Audi Volkswagen

Located on the lower radiator hose connection 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
1873
Mfg#:
8D0959481B
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2901202 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Vemo - Audi Volkswagen Porsche

Replacement 4 pin relay

Brand:
Vemo - Corporate Logo
ES#:
2901202
Mfg#:
7M0951253A
Ships in 1 Business Day
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4030747 - 15WB-447 - ITG Drop-In Profilter  - High grade drop-in filter for your Audi, designed for road or competition use - ITG Air Filters  - Audi BMW Volkswagen

High grade drop-in filter for your Audi, designed for road or competition use

Brand:
ITG Air Filters  - Corporate Logo
ES#:
4030747
Mfg#:
15WB-447
Ships in 3 Business Days
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stop leaks and restore engine power

Brand:
Victor Reinz - Corporate Logo
ES#:
4028179
Mfg#:
077103383BT
Ships in 1 Business Day
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#257232 - 4A0805137A - Lock Washer - Priced Each - Install new hardware with your new parts - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts Used in securing the belly pan to the fender liners

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257232
Mfg#:
4A0805137A
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813102 - 077903133E - Accessory Belt Tensioner - Keep your drive belt tight - Hamburg Tech - Audi

Keep your drive belt tight We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813102
Mfg#:
077903133E
Ships in 1 Business Day
$62.99 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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