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Audi A4 Engine Parts & Accessories

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ES#4265328 - 20234KT - Speed Tec Gasoline Fuel Additive - 250mL - Improve combustion and acceleration with this simple additive! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Improve combustion and acceleration with this simple additive! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
4265328
Mfg#:
20234KT
In Stock
$10.99

This product was last offered at the strikethrough price on
09-01-2026

$9.09 USD
Free Shipping
on orders $49 and up
ES#3576192 - 026961SCH01A -  Schwaben Counterhold Vibration Damper Tool (T10355A) - Used for counterholding vibration damper when center bolt for crankshaft is loosened or tightened. - Schwaben - Audi Volkswagen
ECS Tuning recommends this product.

Used for counterholding vibration damper when center bolt for crankshaft is loosened or tightened. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
3576192
Mfg#:
026961SCH01A
In Stock
$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2652188 - 30102049 - Universal 16" Electric Fan - Black - 2024 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

2024 CFM. High performance puller fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
2652188
Mfg#:
30102049
In Stock
20% off MSRP

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

$243.99

This product was last offered at the strikethrough price on
11-04-2026

$195.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4691207 - 420121321 - Audi R8 Expansion Tank Cap - Keep proper pressure on your coolant, replaces any modern blue or black cooling cap - Bremmen Parts - Audi Volkswagen Porsche

Keep proper pressure on your coolant, replaces any modern blue or black cooling cap 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4691207
Mfg#:
420121321
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3130748 - 019744TMS01A - Turner Magnetic Fender Protector - Protect your paint while working on your car! - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Protect your paint while working on your car! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
3130748
Mfg#:
019744TMS01A
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2949293 - SGT17800 - Media Blaster Kit - Pull abrasive directly from bag or bucket - S&G Tool Aid - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pull abrasive directly from bag or bucket

Brand:
S&G Tool Aid - Corporate Logo
ES#:
2949293
Mfg#:
SGT17800
Back Ordered
$109.76 USD
Free Shipping
on orders $49 and up
ES#261746 - 83522-15404 - Engine Oil (5w-40) - 1 Quart - From the same people that provide the best gear oil in the industry, now offering the best protection for your engine. - Redline - Audi BMW Volkswagen Mercedes Benz MINI

From the same people that provide the best gear oil in the industry, now offering the best protection for your engine.

Brand:
Redline - Corporate Logo
ES#:
261746
Mfg#:
83522-15404
In Stock
$18.20 USD
Free Shipping
on orders $49 and up
ES#8203 - P-630 - Oil Filter Removal Pliers / Wrench - Steel jaw like pliers for easy removal of all sizes of spin-on type oil filters - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Steel jaw like pliers for easy removal of all sizes of spin-on type oil filters 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
8203
Mfg#:
P-630
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4335445 - LCB141SCH - Noid Light Tester Set Of 2 - Check fuel injection signals easily. - Schwaben - Audi BMW Volkswagen Porsche
ECS Tuning recommends this product.

Check fuel injection signals easily. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
4335445
Mfg#:
LCB141SCH
In Stock
Limited Qty Sale
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2072580 - 60103 - SI-1 Complete Fuel System Cleaner - 15oz - Clean up your gasoline engine! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Clean up your gasoline engine! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Redline - Corporate Logo
ES#:
2072580
Mfg#:
60103
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
ES#4460500 - 3D0973703-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 USE CODE ECS20 IN CART FOR BEST PRICE
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM

Brand:
ECS - Corporate Logo
ES#:
4460500
Mfg#:
3D0973703-KIT
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3496004 - 99110645702 - Porsche 911 Expansion Tank Cap - Black and satin aluminum colored coolant cap from the Porsche 991. - Genuine Porsche - Audi Volkswagen Porsche

Black and satin aluminum colored coolant cap from the Porsche 991.

Brand:
Genuine Porsche - Corporate Logo
ES#:
3496004
Mfg#:
99110645702
In Stock
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4346251 - LCB153SCH - Camshaft Adjusting Socket - Set Of 3 - Factory style tools make the job easier - Schwaben - Audi Volkswagen
ECS Tuning recommends this product.

Factory style tools make the job easier 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
4346251
Mfg#:
LCB153SCH
In Stock
$52.99 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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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