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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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Screw - Priced Each

ES#471868 - N91090701 - Screw - Priced Each - Install new hardware with your new parts. 5x20 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. 5x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471868
Mfg#:
N91090701
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.

$3.99

This product was last offered at the strikethrough price on
06-10-2026

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

Crankshaft Pulley OE# 078105251Q

ES#3149801 - 078105251Q - Crankshaft Pulley OE# 078105251Q - Reduces vibrations and drives the accessory belt - Vaico - Audi Volkswagen

Reduces vibrations and drives the accessory belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3149801
Mfg#:
078105251Q
Ships on Oct 5, 2026
$129.99

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

$122.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Starter

ES#2535540 - 077911023EXKT1 - Remanufactured Starter - Includes a $57 refundable core charge - Bosch - Audi

Includes a $57 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2535540
Mfg#:
077911023EXKT1
Back Ordered
$374.99

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

$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro 5R Oiled Air Filter

ES#518083 - 30-10044 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - Audi BMW Volkswagen

Higher flow, higher performance - washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
518083
Mfg#:
30-10044
In Stock at Vendor
20% off MSRP

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

$113.75

This product was last offered at the strikethrough price on
06-10-2026

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Gear - Priced Each

ES#283461 - 078109111B - Camshaft Gear - Priced Each - Turns the intake & exhaust camshaft from the timing belt - Genuine Volkswagen Audi - Audi Volkswagen

Turns the intake & exhaust camshaft from the timing belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283461
Mfg#:
078109111B
Ships in 1 day
7% off MSRP

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

$193.99

This product was last offered at the strikethrough price on
06-10-2026

$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2535165 - 4B0201550H - Gas Cap - Includes seal and retaining strap - URO - Audi

Includes seal and retaining strap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535165
Mfg#:
4B0201550H
Ships in 1 Business Day
$24.99

This product was last offered at the strikethrough price on
04-10-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#3183399 - 078121601B - Auxiliary Water Pump - Used as an after run pump on the V6 engine - Rein - Audi Volkswagen

Used as an after run pump on the V6 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3183399
Mfg#:
078121601B
Ships in 3 Business Days
$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flush Kit

ES#3420793 - g013a8jm1kt6KT - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 6 liters of G13 coolant. - Assembled By ECS - Audi

Includes Schwaben coolant refill/air purge tool and 6 liters of G13 coolant. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3420793
Mfg#:
G013A8JM1KT6KT
Ships on Jul 15, 2026
Auto Notify
ON SALE! SAVE 14%
$205.99

This product was last offered at the strikethrough price on
01-03-2026

$178.16 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Crankcase Breather Hose - With PCV Valve

ES#2593775 - 078103224R - Crankcase Breather Hose - With PCV Valve - Large breather hose that runs around the intake manifold - URO - Audi Volkswagen

Large breather hose that runs around the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2593775
Mfg#:
078103224R
In Stock
$50.99

This product was last offered at the strikethrough price on
06-02-2026

$29.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#1853398 - 1K0998262AB - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For the left and right side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1853398
Mfg#:
1K0998262AB
Ships in 1 day
7% off MSRP

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

$374.99

This product was last offered at the strikethrough price on
06-10-2026

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Relay Roller - Priced Each

ES#1871 - 077109244C - Relay Roller - Priced Each - Smaller roller that attaches to the cylinder heads - Ina - Audi Volkswagen

Smaller roller that attaches to the cylinder heads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
1871
Mfg#:
077109244C
Ships on Jun 26, 2026
$34.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump

Located inside the fuel tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bapmic - Corporate Logo
ES#:
4905028
Mfg#:
4B0906087P
In Stock at Vendor
$179.99

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

$173.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#4504870 - 1J0907660F - Oil Level Sensor - Mounted on the bottom of the oil pan - Vemo - Audi Volkswagen

Mounted on the bottom of the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2003 model year

Brand:
Vemo - Corporate Logo
ES#:
4504870
Mfg#:
1J0907660F
In Stock at Vendor
$133.99

This product was last offered at the strikethrough price on
03-10-2026

$114.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Suction Pump

ES#4858142 - 034-101-2008 - Vacuum Suction Pump - Show your car some love and replace the suction pump back to it's factory functionality. - 034Motorsport - Audi Volkswagen

Show your car some love and replace the suction pump back to it's factory functionality. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858142
Mfg#:
034-101-2008
Ships in 2 Business Days
$57.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket - Priced Each

ES#8838 - 077129717Q - Intake Manifold Gasket - Priced Each - Fits the left and right side - Victor Reinz - Audi Volkswagen

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
8838
Mfg#:
077129717Q
In Stock
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump Hose

ES#4615939 - 078121082E - Auxiliary Water Pump Hose - Connects the auxiliary water pump to the coolant pipe under the intake manifold - URO - Audi

Connects the auxiliary water pump to the coolant pipe under the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4615939
Mfg#:
078121082E
In Stock
$20.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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