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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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Expansion Tank Cap

ES#253082 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253082
Mfg#:
3B0121321
In Stock
25% off MSRP

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

$37.18

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

$27.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8100 X-Clean Engine Oil (5w-40) - 1 Liter

ES#261461 - 841611 - 8100 X-Clean Engine Oil (5w-40) - 1 Liter - 100% Synthetic engine oil specially designed around the demands of direct fuel injection engines. - Motul - Audi BMW Volkswagen

100% Synthetic engine oil specially designed around the demands of direct fuel injection engines.

Brand:
Motul - Corporate Logo
ES#:
261461
Mfg#:
841611
In Stock
10% off MSRP

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

$19.53

This product was last offered at the strikethrough price on
09-18-2026

$17.58 USD
Free Shipping
on orders $49 and up

Idler Pulley

ES#3981244 - 078121235G - Idler Pulley - Provides mounting for the fan clutch - URO - Audi Volkswagen

Provides mounting for the fan clutch 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3981244
Mfg#:
078121235G
In Stock
$150.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2866095 - 059919501AS1 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Febi - Audi Volkswagen

Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866095
Mfg#:
059919501AS1
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2435 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
For the left and right side

Brand:
Bosch - Corporate Logo
ES#:
2435
Mfg#:
1K0998262AB
Ships in 1 Business Day
$148.99

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

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#4818595 - 1J0907660B - Oil Level Sensor - Mounted on the bottom of the oil pan - Bremmen Parts - Audi Volkswagen

Mounted on the bottom of the oil pan 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818595
Mfg#:
1J0907660B
In Stock
ON SALE! SAVE 21%
$54.99

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

$43.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#2816318 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Hamburg Tech - Audi

Controls the actuation of the radiator fan We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816318
Mfg#:
8D0959501D
In Stock
$132.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft / Crankshaft Seal - Priced Each

ES#2550771 - 026103085D - Camshaft / Crankshaft Seal - Priced Each - Stop oil leaks and prevent internal engine damage. 47x10 - Elring - Audi Volkswagen

Stop oil leaks and prevent internal engine damage. 47x10 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
4 per engine, but only two accessible from timing belt area

Brand:
Elring - Corporate Logo
ES#:
2550771
Mfg#:
026103085D
In Stock
$5.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OE+ Steel Oil Drain Plug - Priced Each

ES#2802254 - N90813202 - OE+ Steel Oil Drain Plug - Priced Each - Includes crush washer. M14x1.5 - Rein - Audi Volkswagen

Includes crush washer. M14x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802254
Mfg#:
N90813202
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Street Density Motor Mount Pair

ES#2864597 - 034-509-0006 - Motorsport Street Density Motor Mount Pair - The ultimate in performance and durability - 034Motorsport - Audi

The ultimate in performance and durability 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864597
Mfg#:
034-509-0006
Ships in 2 Business Days
$364.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Gear Bolt

ES#10630 - 078105229d - Crankshaft Gear Bolt - M18x1.5x85 - Secures the crankshaft gear to the crank - Genuine Volkswagen Audi - Audi Volkswagen

M18x1.5x85 - Secures the crankshaft gear to the crank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10630
Mfg#:
078105229D
In Stock
33% off MSRP

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

$50.99

This product was last offered at the strikethrough price on
09-18-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Coolant Tank Cap

ES#4620720 - CTS-ACC-009 - CTS Coolant Tank Cap - Lose the plastic! - CTS - Audi Volkswagen

Lose the plastic!

Brand:
CTS - Corporate Logo
ES#:
4620720
Mfg#:
CTS-ACC-009
Ships on Oct 14, 2026
$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters)

ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water.

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Ships in 1 Business Day
$40.67

This product was last offered at the strikethrough price on
03-29-2026

$29.99 USD
Free Shipping
on orders $49 and up

Intake Manifold

ES#3194793 - 077133185BR - Intake Manifold - Replace a cracked or leaking manifold. - Pierburg - Audi Volkswagen

Replace a cracked or leaking manifold. Engine code AWN

Brand:
Pierburg - Corporate Logo
ES#:
3194793
Mfg#:
077133185BR
Special Order: No Guaranteed ETA
$2061.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dowel Pin - Priced Each

ES#2872459 - 8D0805121 - Dowel Pin - Priced Each - Secures the belly pan to the vehicle. 6x18 - Febi - Audi Volkswagen

Secures the belly pan to the vehicle. 6x18 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872459
Mfg#:
8D0805121
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#2708811 - 1J0907660B - Oil Level Sensor - Mounted on the bottom of the oil pan - URO - Audi Volkswagen

Mounted on the bottom of the oil pan 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708811
Mfg#:
1J0907660B
In Stock
$34.65 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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