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Audi A4 Engine Parts & Accessories

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ES#3545345 - 3519 - Radiator - Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction - CSF - Audi Porsche

Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
3545345
Mfg#:
3519
In Stock
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3148271 - ED-MT-A4-1.8TKT - Maestro Tuning Suite - With Powertap Air Flash Tool - Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware - Eurodyne - Audi

Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware

Brand:
Eurodyne - Corporate Logo
ES#:
3148271
Mfg#:
ED-MT-A4-1.8TKT
In Stock
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2561691 - 06F103265BXKT - Remanufactured Complete Cylinder Head - Price includes a $1560.00 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Price includes a $1560.00 refundable core charge Complete cylinder head - Includes camshafts & valves

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2561691
Mfg#:
06F103265BXKT
Ships in 5 Business Days
$4811.99

This product was last offered at the strikethrough price on
10-26-2026

$4771.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4624221 - JB4-AUDI-EA888-G - JB4 Tuner For Audi EA888 Gen4 2.0 TFSI 261hp & 265hp - Plug & play tune with gains up to 40hp/50lb-ft. - Burger Motorsports - Audi Porsche

Plug & play tune with gains up to 40hp/50lb-ft. For 2021+ models only

Brand:
Burger Motorsports - Corporate Logo
ES#:
4624221
Mfg#:
JB4-AUDI-EA888-G
In Stock
$529.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#10235 - 0242240627 - Double Platinum Spark Plug - Priced Each - Popular Bosch alternative to factory NGK plugs - Bosch - Audi Volkswagen

Popular Bosch alternative to factory NGK plugs We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
10235
Mfg#:
0242240627
In Stock
$11.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3153114 - WHT007212B - O-Ring - Priced Each - Seals camshaft bridge. Stop oil leaks and replace the adjuster magnet in your vehicle. 52x3mm - Genuine Volkswagen Audi - Audi Volkswagen

Seals camshaft bridge. Stop oil leaks and replace the adjuster magnet in your vehicle. 52x3mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3153114
Mfg#:
WHT007212B
In Stock
10% off MSRP

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

$9.99

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

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4362348 - UH016-ICA - Unitronic Intercooler Upgrade 2.0TSI MLB B9 A4/A5/Allroad - Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction. - Unitronic - Audi

Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction.

Brand:
Unitronic - Corporate Logo
ES#:
4362348
Mfg#:
UH016-ICA
Ships in 5 Business Days
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4164611 - 021389ECS06 - Build-Your-Own ECS Tuning 2.0T FSI/TSI Aluminum Intake Manifold Kit - Features a +53% increase in plenum volume, +8% CFM airflow, 5-axis billet intake runners, CNC-machined flanges, and WMI/NOS ports. - ECS - Audi Volkswagen

Features a +53% increase in plenum volume, +8% CFM airflow, 5-axis billet intake runners, CNC-machined flanges, and WMI/NOS ports. 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE
Will not fit models with flex fuel

Brand:
ECS - Corporate Logo
ES#:
4164611
Mfg#:
021389ECS06
In Stock
Starting at $1184.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4299103 - 06E905115G - Ignition Coil - Priced Each - Keep your engine running smooth - Bremi - Audi Volkswagen

Keep your engine running smooth

Brand:
Bremi - Corporate Logo
ES#:
4299103
Mfg#:
06E905115G
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4487608 - 034-108-1049 - S34 Carbon Fiber Intake  - Delivers improved power, induction noises, and overall performance in a attractive, clean, and cost-effective package. - 034Motorsport - Audi

Delivers improved power, induction noises, and overall performance in a attractive, clean, and cost-effective package. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4487608
Mfg#:
034-108-1049
In Stock
$427.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#251724 - 058145703J - K03 Turbocharger - Restore boost and get going! - BorgWarner - Audi Volkswagen

Restore boost and get going!

Brand:
BorgWarner - Corporate Logo
ES#:
251724
Mfg#:
058145703J
Ships in 1 Business Day
$780.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3439102 - 06J998907D - Fuel Injector installation Kit - Priced Each - One kit required per injector - Genuine Volkswagen Audi - Audi Volkswagen Porsche

One kit required per injector

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3439102
Mfg#:
06J998907D
In Stock
24% off MSRP

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

$28.98

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4583476 - 034-110-9004 - Billet Oil Filter Housing - EA837 3.0T - Looking to increase the reliability and integrity of your oil filter housing, and spruce up your engine bay as a bonus? - 034Motorsport - Audi Volkswagen

Looking to increase the reliability and integrity of your oil filter housing, and spruce up your engine bay as a bonus? 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4583476
Mfg#:
034-110-9004
In Stock
$117.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4821225 - 06h107065dm4KT - Piston Assembly - Set Of 4 - Includes four piston assemblies with piston rings, wrist pins, and circlips - *Post oil consumption TSB - See long description for more details* - 23mm wrist pin - Kolbenschmidt - Audi Volkswagen

Includes four piston assemblies with piston rings, wrist pins, and circlips - *Post oil consumption TSB - See long description for more details* - 23mm wrist pin Post oil consumption TSB piston assembly - This updated piston assembly has larger 23mm wrist pin. Must be used with updated connecting rod (06H198401D)

Brand:
Kolbenschmidt - Corporate Logo
ES#:
4821225
Mfg#:
06H107065DM4KT
In Stock
$810.99

This product was last offered at the strikethrough price on
05-13-2026

$779.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2586347 - 06D9989071KT - Fuel Injector Installation Kit - Includes everything required to replace the fuel injectors - Assembled By ECS - Audi Volkswagen

Includes everything required to replace the fuel injectors 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586347
Mfg#:
06D9989071KT
In Stock
$119.99 USD
Free Shipping
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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