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Audi C5 A6 FWD V6 3.0L

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Audi C5 A6 FWD V6 3.0L Engine Parts & Accessories

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Camshaft Adjuster Unit Plug

ES#2681357 - 06C109144 - Camshaft Adjuster Unit Plug - Used to cover the bolt securing the camshaft gear. Includes a sealing o-ring - OE Aftermarket - Audi

Used to cover the bolt securing the camshaft gear. Includes a sealing o-ring

Brand:
OE Aftermarket - Corporate Logo
ES#:
2681357
Mfg#:
06C109144
Back Ordered
$5.99

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

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#4941347 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose flange in place. 32mm - Bremmen Parts - Audi Volkswagen

Secures the radiator hose flange in place. 32mm 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941347
Mfg#:
1J0121142
Back Ordered
ON SALE! SAVE 57%
$1.99

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

$0.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each (24x3)

ES#2602600 - N90380002 - O-Ring - Priced Each (24x3) - O-ring used in various areas on your European vehicle - Corteco - Audi

O-ring used in various areas on your European vehicle 24x3 O-ring that is seated between the hard coolant pipe and thermostat housing

Brand:
Corteco - Corporate Logo
ES#:
2602600
Mfg#:
N90380002
Ships in 2 Business Days
$3.99

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

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

Radiator Drain Plug

Used for quick removal of coolant

Brand:
JL Germany
ES#:
4044479
Mfg#:
8D0121100
Back Ordered
$3.99

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

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

Coolant Flange Plug - Priced Each

ES#2815649 - 357121140 - Coolant Flange Plug - Priced Each - Clip and o-ring sold separately - Hamburg Tech - Audi Volkswagen

Clip and o-ring sold separately We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815649
Mfg#:
357121140
Ships in 2 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#465677 - N01021226 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465677
Mfg#:
N01021226
Ships in 3 Business Days
$3.99

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

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

Keep your engine running efficiently 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5491634
Mfg#:
06A959253E
Ships on Oct 3, 2026
$159.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Skid Plate & Fabrication Hardware Pack

ES#5482381 - 8d0805960aKT - Skid Plate & Fabrication Hardware Pack - Replacement hardware kit for your ECS skid plate - Assembled By ECS - Audi Volkswagen

Replacement hardware kit for your ECS skid plate 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482381
Mfg#:
8D0805960AKT
In Stock
$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - 5w-30

ES#5491581 - 059198405xKT - Oil Service Kit - 5w-30 - Includes everything you need to service your VW/Audi - Assembled By ECS - Audi BMW Volkswagen Mercedes Benz Porsche

Includes everything you need to service your VW/Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5491581
Mfg#:
059198405XKT
In Stock
ON SALE!
$176.99

This product was last offered at the strikethrough price on
09-14-2026

$170.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Premium Oil Service Kit

ES#3426742 - 12404KT - Premium Oil Service Kit - Includes Redline Euro-Series synthetic oil, Mann filter, and drain plug - Assembled By ECS - Audi

Includes Redline Euro-Series synthetic oil, Mann filter, and drain plug 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3426742
Mfg#:
12404KT
In Stock
ON SALE!
$172.99

This product was last offered at the strikethrough price on
09-14-2026

$162.25 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Unitronic Performance Software - Stage 1

ES#4465298 - 3.0-B6-C5-1 - Unitronic Performance Software - Stage 1 - Gain up to 16 horsepower and 14 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 16 horsepower and 14 lb-ft of torque on 91 Octane This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4465298
Mfg#:
3.0-B6-C5-1
In Stock
ON SALE! SAVE 19%
$800.00

This product was last offered at the strikethrough price on
09-28-2026

$650.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket - Priced Each

ES#4150357 - 078253039G - Exhaust Manifold Gasket - Priced Each - Fits the left and right side - Ajusa - Audi

Fits the left and right side

Brand:
Ajusa - Corporate Logo
ES#:
4150357
Mfg#:
078253039G
Ships in 4 Business Days
$9.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Replacement Kit W/ R8 Coolant Cap

ES#2652175 - 8E0121403DKT2 - Expansion Tank Replacement Kit W/ R8 Coolant Cap - Install a brand new expansion tank with a new R8 polished aluminum cap and hardware - Assembled By ECS - Audi

Install a brand new expansion tank with a new R8 polished aluminum cap and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2652175
Mfg#:
8E0121403DKT2
Ships in 2 Business Days
$362.99

This product was last offered at the strikethrough price on
08-26-2026

$357.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning 40k Service Kit

ES#6694 - 4B0198004 - ECS Tuning 40k Service Kit - Everything you need to perform 40k service. - Assembled By ECS - Audi

Everything you need to perform 40k service. 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN #X045000, split is in Model year 1999

Brand:
Assembled By ECS - Corporate Logo
ES#:
6694
Mfg#:
4B0198004
Ships in 2 Business Days
ON SALE!
$309.99

This product was last offered at the strikethrough price on
06-16-2026

$297.67 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2762200 - 06C121111CKT3 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762200
Mfg#:
06C121111CKT3
Ships in 3 Business Days
ON SALE!
$222.99

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

$203.05 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2762201 - 06C121085HKT1 - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762201
Mfg#:
06C121085HKT1
Ships in 3 Business Days
ON SALE!
$446.99

This product was last offered at the strikethrough price on
08-26-2026

$434.76 USD
Free Shipping
This product is lifetime replacement eligible Partial 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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