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Audi C5 A6 Quattro 4.2

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Audi C5 A6 Quattro 4.2 Engine Parts & Accessories

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Thermostat

ES#2649585 - 077121113D - Thermostat - Prevent overheating and premature engine wear - Mahle-Behr - Audi Volkswagen

Prevent overheating and premature engine wear

Brand:
Mahle-Behr - Corporate Logo
ES#:
2649585
Mfg#:
077121113D
In Stock
$31.99

This product was last offered at the strikethrough price on
10-14-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Stem Seal Fitting Sleeve

ES#289278 - 100109001B - Valve Stem Seal Fitting Sleeve - This may be necessary for proper installation of the valve stem seals - Genuine Volkswagen Audi - Audi Volkswagen

This may be necessary for proper installation of the valve stem seals

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
289278
Mfg#:
100109001B
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sealing Flange Gasket

ES#282193 - 077103161G - Front Sealing Flange Gasket - Creates a seal between the front sealing flange and the engine block - Genuine Volkswagen Audi - Audi

Creates a seal between the front sealing flange and the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
282193
Mfg#:
077103161G
Ships in 1-2 days
12% off MSRP

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

$168.99

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

$147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2-Pin Connector - Priced Each

ES#359794 - 443906232 - 2-Pin Connector - Priced Each - Used in various locations in the engine bay - Genuine Volkswagen Audi - Audi Volkswagen

Used in various locations in the engine bay

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
359794
Mfg#:
443906232
Ships in 1-2 days
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
11-06-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Banjo Fitting

ES#469399 - N90254601 - Banjo Fitting - Attaches the fuel supply line from the pump to the fuel filter - Genuine Volkswagen Audi - Audi

Attaches the fuel supply line from the pump to the fuel filter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469399
Mfg#:
N90254601
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.

$55.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#259350 - 058133843 - Air Filter - Keep clean air running through your engine - Genuine Volkswagen Audi - Audi Volkswagen

Keep clean air running through your engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259350
Mfg#:
058133843
Ships in 1-2 days
11% off MSRP

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

$26.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dowel Pin - Priced Each

ES#1597681 - 8D0805121 - Dowel Pin - Priced Each - Secures the belly pan to the vehicle. 6x18 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the belly pan to the vehicle. 6x18

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1597681
Mfg#:
8D0805121
Ships in 4 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.

$12.99

This product was last offered at the strikethrough price on
11-06-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snub Mount

ES#4151836 - 8E0199339 - Snub Mount - Worn mounts can cause excessive engine movement under load - Rein - Audi

Worn mounts can cause excessive engine movement under load 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151836
Mfg#:
8E0199339
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Stem Seal - Priced Each

ES#4027470 - 036109675A - Valve Stem Seal - Priced Each - Seals the valve stem in the cylinder head. 6mm - Corteco - Audi Volkswagen Porsche

Seals the valve stem in the cylinder head. 6mm

Brand:
Corteco - Corporate Logo
ES#:
4027470
Mfg#:
036109675A
Ships in 1 Business Day
$3.99

This product was last offered at the strikethrough price on
08-13-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Split Valve Keeper - Priced Each

ES#1600384 - 0000531126 - Split Valve Keeper - Priced Each - Engine Valve Spring Retainer Keeper - Split cotter for intake or exhaust valve. Two required per valve - Genuine Mercedes Benz - Audi Volkswagen

Engine Valve Spring Retainer Keeper - Split cotter for intake or exhaust valve. Two required per valve

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1600384
Mfg#:
0000531126
In Stock
$2.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Pipe

ES#4325022 - 078121070CF - Cooling Pipe - With integrated power steering line - Vaico - Audi Volkswagen

With integrated power steering line We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4325022
Mfg#:
078121070CF
Ships in 1-2 days
$266.99

This product was last offered at the strikethrough price on
08-13-2026

$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#2598810 - 077103385DKT - Cylinder Head Bolt Set - A full set to secure one cylinder head - Victor Reinz - Audi Volkswagen

A full set to secure one cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
2598810
Mfg#:
077103385DKT
Ships in 3 Business Days
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch - 4 Pin

ES#2901738 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - Vemo - Audi Volkswagen

Located on the lower radiator hose connection

Brand:
Vemo - Corporate Logo
ES#:
2901738
Mfg#:
8D0959481B
Ships in 1 Business Day
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt - Priced Each

ES#282270 - 077103385D - Cylinder Head Bolt - Priced Each - 10 per cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

10 per cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
282270
Mfg#:
077103385D
Ships in 4 Business Days
42% off MSRP

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

$23.99

This product was last offered at the strikethrough price on
11-06-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#4908550 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Bremmen Parts - Audi

Controls the actuation of the radiator fan 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4908550
Mfg#:
8D0959501D
Special Order: No Guaranteed ETA
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plastic Dowel Pin - Priced Each

ES#6416 - 4A0805121A - Plastic Dowel Pin - Priced Each - Secures the belly pan to the fender liners - Genuine Volkswagen Audi - Audi

Secures the belly pan to the fender liners

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6416
Mfg#:
4A0805121A
Ships in 4 Business Days
3% off MSRP

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

$11.67

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

$11.32 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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