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Audi A4 Engine Parts & Accessories

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ES#3485290 - 2Q0121321A - Coolant Expansion Tank Cap  - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen Porsche

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3485290
Mfg#:
2Q0121321A
In Stock
5% off MSRP

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

$42.99

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

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe with HJS 200-Cell High Flow Cat

Brand:
Milltek Sport - Corporate Logo
ES#:
4159430
Mfg#:
SSXAU744
Ships on Nov 30, 2026
$1514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3468529 - 06h905110g01KT1 -  RS Ignition Service Kit  - Includes 8v RS3 ignition coils and RS7 spark plugs for the ultimate ignition service kit for your 1.8T/2.0T Gen3 engine! - Genuine Volkswagen Audi - Audi Volkswagen

Includes 8v RS3 ignition coils and RS7 spark plugs for the ultimate ignition service kit for your 1.8T/2.0T Gen3 engine!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3468529
Mfg#:
06H905110G01KT1
In Stock
$504.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3246398 - 0467A1521-01 - Schrick Outlet Camshaft - FSI 16V Exhaust Camshaft (252) - Schrick - Audi Volkswagen

FSI 16V Exhaust Camshaft (252°)

Brand:
Schrick - Corporate Logo
ES#:
3246398
Mfg#:
0467A1521-01
Special Order: No Guaranteed ETA
$1511.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3246399 - 0467E1461-00 - FSI 16V Intake Camshaft - FSI 16V Intake Camshaft (256) - Schrick - Audi Volkswagen

FSI 16V Intake Camshaft (256°)

Brand:
Schrick - Corporate Logo
ES#:
3246399
Mfg#:
0467E1461-00
Special Order: No Guaranteed ETA
$1511.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4461006 - 012054LA18-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - Audi Volkswagen

High flow filter replacement to get your engine breathing better than new! 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4461006
Mfg#:
012054LA18-DRY
In Stock
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4900025 - 06L115401LPRMKT - Aluminum Oil Filter Housing Kit - Upgrades the failure-prone OE plastic cover to high-grade aluminum - Includes filter, gasket, and revised adapter valve - Assembled By ECS - Audi Volkswagen

Upgrades the failure-prone OE plastic cover to high-grade aluminum - Includes filter, gasket, and revised adapter valve 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
4900025
Mfg#:
06L115401LPRMKT
In Stock
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3220548 - 06H105209AT - Crankshaft Timing Sprocket - Toothed sprocket bolts to crankshaft - Drives the timing chain & oil pump - Bremmen Parts - Audi Volkswagen

Toothed sprocket bolts to crankshaft - Drives the timing chain & oil pump 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220548
Mfg#:
06H105209AT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4362074 - 06H121026DD - Aluminum Water Pump Module (06H121026DD) - Complete water pump housing module, includes thermostat, temp sensor, belt and gasket - Featuring a full aluminum housing! - Rein - Audi Volkswagen

Complete water pump housing module, includes thermostat, temp sensor, belt and gasket - Featuring a full aluminum housing! 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4362074
Mfg#:
06H121026DD
In Stock at Vendor
$477.99

This product was last offered at the strikethrough price on
10-22-2026

$301.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581230 - 06F198004B7 - Ultimate Plus Timing Belt Kit - Silver Pulley - Get the best timing belt kit with the added benefits of the Quick-Spool under drive pulley - Assembled By ECS - Audi

Get the best timing belt kit with the added benefits of the Quick-Spool under drive pulley 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581230
Mfg#:
06F198004B7
Ships in 1-2 days
$502.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3988147 - 034-108-1024 - X34 Carbon Fiber Intake Air Duct  - The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System - 034Motorsport - Audi

The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System 2X Entries Into Our F80 M3 Sweepstakes
*To be used with 034Motorsport X34 Intake System or most aftermarket intakes that utilize the OEM air duct*

Brand:
034Motorsport - Corporate Logo
ES#:
3988147
Mfg#:
034-108-1024
In Stock
$377.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4373507 - 06E109465BH - Upper Timing Chain - Center - Turns the camshaft relay sprockets from the crankshaft - Genuine Volkswagen Audi - Audi

Turns the camshaft relay sprockets from the crankshaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4373507
Mfg#:
06E109465BH
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.

$413.99

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

$376.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1844047 - 058109479b - Timing Belt Damper - Applies pressure to the tensioning roller - NTN - Audi Volkswagen

Applies pressure to the tensioning roller

Brand:
NTN - Corporate Logo
ES#:
1844047
Mfg#:
058109479B
In Stock
$132.99

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

$107.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#11994 - MS100016 - APR High Pressure Fuel Pump - Requires APR engine management software to allow for the increased flow of the APR pump. - APR - Audi Volkswagen

Requires APR engine management software to allow for the increased flow of the APR pump. Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
11994
Mfg#:
MS100016
Back Ordered
11% off MSRP

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

$1687.99

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

$1499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5444934 - CMBMVL016JG035 - SPA Performance Forged Piston Set - For VW/Audi 1.8L 20V 81mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 81mm

Brand:
SPA Performance - Corporate Logo
ES#:
5444934
Mfg#:
CMBMVL016JG035
Ships in 1 Business Day
$749.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4828248 - 06K127028S - FUEL PUMP - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4828248
Mfg#:
06K127028S
Ships in 1-2 days
8% off MSRP

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

$811.99

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

$749.99 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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