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Audi A4 Engine Parts & Accessories

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ES#4147673 - SN0-40040 - Water-Methanol Dual Nozzle Upgrade - Quick-Connect Fittings - Install and additional water/methanol nozzle in any WMI system! - SnowPerformance - Audi BMW Volkswagen MINI Porsche

Install and additional water/methanol nozzle in any WMI system!

Brand:
SnowPerformance - Corporate Logo
ES#:
4147673
Mfg#:
SN0-40040
In Stock
29% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
09-30-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4336721 - CTA2080 - Gasket Scraper - Removes shellacked gaskets, paint, grease and carbon - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Removes shellacked gaskets, paint, grease and carbon

Brand:
CTA Tools - Corporate Logo
ES#:
4336721
Mfg#:
CTA2080
In Stock
$7.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4265262 - MMFAN-12C - Mishimoto Universal Curved Blade Electrical Fan - 12" - 1150 CFM. High performance push or pull fan with curved blades. - Mishimoto - Audi Volkswagen MINI Porsche

1150 CFM. High performance push or pull fan with curved blades.

Brand:
Mishimoto - Corporate Logo
ES#:
4265262
Mfg#:
MMFAN-12C
Ships in 3 Business Days
9% off MSRP

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

$107.00

This product was last offered at the strikethrough price on
11-06-2026

$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3200075 - V3452VIM - Polydrive Socket 1/2" Drive T10070 - A must have tool for removing special VW / Audi cylinder head bolts - VIM Tools - Audi Volkswagen

A must have tool for removing special VW / Audi cylinder head bolts

Brand:
VIM Tools - Corporate Logo
ES#:
3200075
Mfg#:
V3452VIM
Ships in 9 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5457588 - 20-0589 - Radium Split-Flow Flex Fuel Sensor Adapter - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brand:
Radium Engineering - Corporate Logo
ES#:
5457588
Mfg#:
20-0589
In Stock at Vendor
5% off MSRP

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

$99.99

This product was last offered at the strikethrough price on
11-05-2026

$94.99 USD
Free Shipping
on orders $49 and up
ES#4031177 - GENIUS5 - GENIUS 6V / 12V 5 Amp Battery Charger - NOCO - Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Meet the GENIUS5 - Similar to the G3500, just better. It's 34% smaller and delivers 65% more power. And it's simpler and easier to use than ever before.

Brand:
NOCO - Corporate Logo
ES#:
4031177
Mfg#:
GENIUS5
In Stock
22% off MSRP

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

$89.99

This product was last offered at the strikethrough price on
11-06-2026

$69.99 USD
Free Shipping
on orders $49 and up
ES#4336703 - CTA2028 - Piston Ring Installer - Installs and removes piston rings without damaging - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Installs and removes piston rings without damaging

Brand:
CTA Tools - Corporate Logo
ES#:
4336703
Mfg#:
CTA2028
In Stock
$9.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4337924 - CTAA258 - Cap-Type Oil Filter Wrench - 74mm x 15 Flute - Precision-stamped to remove Aftermarket and OE spin-on filters and filter housings - CTA Tools - Audi Volkswagen

Precision-stamped to remove Aftermarket and OE spin-on filters and filter housings Required to install/remove Poland-made Hengst H14W30 oil filters (ES2807606) purchased after ~ 04/2023.

Brand:
CTA Tools - Corporate Logo
ES#:
4337924
Mfg#:
CTAA258
In Stock
$4.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4875873 - LK2M - LK-2M 2 Pin Connector Package - Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars. - ECS - Audi BMW Volkswagen MINI Porsche

Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars. 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4875873
Mfg#:
LK2M
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4430877 - 303020049 - THINKCHECK M70 - THINKCHECK M70 is a universal OBD2 Automotive Diagnostic Tool that completely supports OBD2 - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

THINKCHECK M70 is a universal OBD2 Automotive Diagnostic Tool that completely supports OBD2

Brand:
THINKCAR - Corporate Logo
ES#:
4430877
Mfg#:
303020049
In Stock
$264.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Autel’s latest member of its code reader family of tools, the AL529HD can not only diagnose OBDII/EOBD-compatible vehicles but also heavy duty vehicles utilizing SAE-J1939 and SAE-J1708 protocols.

Brand:
Autel - Corporate Logo
ES#:
4349108
Mfg#:
AL529HD
Ships in 6 Business Days
$264.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2730417 - 0580254044 - High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - URO - Audi Volkswagen Porsche

Great for when more fuel is needed in a custom fueling application 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2730417
Mfg#:
0580254044
Ships in 1 Business Day
$150.99

This product was last offered at the strikethrough price on
08-13-2026

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Braided SS Line/Brackets/Solenoid/4AN Fittings

Brand:
SnowPerformance - Corporate Logo
ES#:
4680249
Mfg#:
SN0-40016-BRD
In Stock at Vendor
28% off MSRP

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

$364.99

This product was last offered at the strikethrough price on
11-06-2026

$260.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3008984 - SUU884506 - Extended Spark Plug Socket - 3/8" drive socket with 5/8" opening for most spark plugs - Sunex - Audi BMW Volkswagen Mercedes Benz MINI Porsche

3/8" drive socket with 5/8" opening for most spark plugs

Brand:
Sunex - Corporate Logo
ES#:
3008984
Mfg#:
SUU884506
In Stock
9% off MSRP

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

$31.99

This product was last offered at the strikethrough price on
11-06-2026

$28.99 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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