Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi Engine Parts & Accessories

Sort By
Filter By
Return to Top

Expansion Tank Cap - Black

ES#4004591 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Rein - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4004591
Mfg#:
5Q0121321
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben 8mm Hose Clamp Flexible Driver

ES#3143350 - 010658SCH03A - Schwaben 8mm Hose Clamp Flexible Driver - Some jobs require being flexible, Hard to get straight onto that hose clamp nut? No problem - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Some jobs require being flexible, Hard to get straight onto that hose clamp nut? No problem 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
3143350
Mfg#:
010658SCH03A
In Stock
ON SALE! SAVE 25%
$9.99

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

$7.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Leakage Tester

ES#2938674 - ATD5573A - Cylinder Leakage Tester - Use this tool to check for internal engine leaks - ATD Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Use this tool to check for internal engine leaks

Brand:
ATD Tools - Corporate Logo
ES#:
2938674
Mfg#:
ATD5573A
Ships in 6 Business Days
$359.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Methanol Injection Ring

Choose either V-band or hose camp style rings to add methanol injection easily to almost any vehicle.

Brand:
SnowPerformance - Corporate Logo
ES#:
4043246
Mfg#:
SN0-40111.40112
Ships in 2 Business Days
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THINKOBD 100

ES#4376517 - 301050512 - THINKOBD 100 - This THINKOBD 100 obd2 car code reader can fast scan and clear trouble codes, even a beginner can use this unit to read the error code. - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This THINKOBD 100 obd2 car code reader can fast scan and clear trouble codes, even a beginner can use this unit to read the error code.

Brand:
THINKCAR - Corporate Logo
ES#:
4376517
Mfg#:
301050512
Ships in 1 day
14% off MSRP

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

$34.99

This product was last offered at the strikethrough price on
10-24-2026

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

10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Blue

ES#4846429 - CMBVLRBLT040171 - 10-100 PSI Billet Adjustable Fuel Management Unit (FMU) - Blue - Allows perfect fixation of the fuel pressure regulator in the desired location. - SPA Performance - Audi Volkswagen

Allows perfect fixation of the fuel pressure regulator in the desired location.

Brand:
SPA Performance - Corporate Logo
ES#:
4846429
Mfg#:
CMBVLRBLT040171
Back Ordered
ON SALE!
$94.99

This product was last offered at the strikethrough price on
10-01-2026

$89.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Nozzle Mounting adapter for hose

ES#2826223 - 40110 - Nozzle Mounting adapter for hose - 1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders - SnowPerformance - Audi BMW Volkswagen MINI

1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders

Brand:
SnowPerformance - Corporate Logo
ES#:
2826223
Mfg#:
40110
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Deluxe Compression Tester

ES#2947820 - OTC5605 - Deluxe Compression Tester - The only way to check compression is with a compression tester like this one. - OTC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The only way to check compression is with a compression tester like this one.

Brand:
OTC - Corporate Logo
ES#:
2947820
Mfg#:
OTC5605
Ships in 6 Business Days
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Leakage Tester Kit

ES#2947824 - OTC5609 - Cylinder Leakage Tester Kit - Great for a quick check for engine issues - OTC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Great for a quick check for engine issues

Brand:
OTC - Corporate Logo
ES#:
2947824
Mfg#:
OTC5609
Ships in 6 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Kit - Housing With Pins & Wire Seals (3)

ES#4460523 - 3B0973703G-KIT - Electrical Connector Kit - Housing With Pins & Wire Seals (3) - Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. - ECS - Audi Volkswagen

Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades. 10X Entries Into Our F80 M3 Sweepstakes
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM
For vehicles with FSI engines only

Brand:
ECS - Corporate Logo
ES#:
4460523
Mfg#:
3B0973703G-KIT
In Stock
ON SALE! SAVE 88%
$25.99

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

$3.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Socket - 22mm

Properly remove stubborn o2 sensors.

Brand:
Hazet - Corporate Logo
ES#:
4490396
Mfg#:
4680-1
Ships in 1 Business Day
$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

4 Pc Ignition Coil Puller Kit

ES#4005537 - CTA7990 - 4 Pc Ignition Coil Puller Kit - Helps remove ignition coils in tight quarters without damage or injury - CTA Tools - Audi Volkswagen Porsche

Helps remove ignition coils in tight quarters without damage or injury

Brand:
CTA Tools - Corporate Logo
ES#:
4005537
Mfg#:
CTA7990
Ships on Nov 10, 2026
28% off MSRP

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

$96.95

This product was last offered at the strikethrough price on
10-24-2026

$69.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Clamp Grease - 50 grams

ES#3514231 - 20244 - Battery Clamp Grease - 50 grams - Excellent corrosion protection for your battery and other connections - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Excellent corrosion protection for your battery and other connections 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514231
Mfg#:
20244
In Stock
30% off MSRP

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

$7.99

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

$5.59 USD
Free Shipping
on orders $49 and up

Camshaft Locks

ES#3202435 - T40271 - Camshaft Locks - Keeps camshafts from moving during timing chain service - Baum Tools - Audi Volkswagen

Keeps camshafts from moving during timing chain service

Brand:
Baum Tools - Corporate Logo
ES#:
3202435
Mfg#:
T40271
Ships in 5 Business Days
$171.99 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.

Other Audi Engine Parts & Accessories

Let us help you find the parts that fit your Audi

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

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings