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Audi A4 Engine Parts & Accessories

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Camshaft Adjuster Unit

ES#4784858 - 06F109088J - Camshaft Adjuster Unit - Adjusts exhaust camshaft for valve timing - URO - Audi Volkswagen

Adjusts exhaust camshaft for valve timing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8E-5-578001, split is in the 2005 model year

Brand:
URO - Corporate Logo
ES#:
4784858
Mfg#:
06F109088J
In Stock
$229.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#4046606 - 06K103171P - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Genuine Volkswagen Audi - Audi Volkswagen

Also referred to as the rear main seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4046606
Mfg#:
06K103171P
Ships in 1-2 days
20% off MSRP

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

$321.65

This product was last offered at the strikethrough price on
08-04-2026

$258.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold

ES#3132780 - 06E133210Q - Intake Manifold - Replace your cracked or damaged intake manifold - Genuine Volkswagen Audi - Audi

Replace your cracked or damaged intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132780
Mfg#:
06E133210Q
Ships in 9 Business Days
4% off MSRP

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

$2155.99

This product was last offered at the strikethrough price on
08-04-2026

$2064.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#3175521 - 252561TM - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175521
Mfg#:
252561TM
Ships in 9 Business Days
$687.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Control Module (600W)

ES#4759390 - 8K0959501G - Radiator Fan Control Module (600W) - Keep your cooling system operating properly - URO - Audi

Keep your cooling system operating properly 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4759390
Mfg#:
8K0959501G
Ships in 2 Business Days
$257.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Pump With Installation Kit

ES#4758738 - 06H115105GDKT3 - Engine Oil Pump With Installation Kit - Prevent severe engine damage with a new oil pump and all of the installation components! - Assembled By ECS - Audi Volkswagen

Prevent severe engine damage with a new oil pump and all of the installation components! 10X Entries For Our 25th Anniversary Sweepstakes!
Fits models with production date up to 01/21/2021

Brand:
Assembled By ECS - Corporate Logo
ES#:
4758738
Mfg#:
06H115105GDKT3
Ships on Dec 2, 2026
Auto Notify
$685.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Timing Chain Guide Rail - Upper

ES#3220559 - 06H109509Q - Timing Chain Guide Rail - Upper - Left rail on the chain that connects to the camshaft - Bremmen Parts - Audi Volkswagen

Left rail on the chain that connects to the camshaft 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220559
Mfg#:
06H109509Q
In Stock
ON SALE! SAVE 13%
$14.99

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

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange (Version B)

ES#4039458 - 06K103171G - Rear Crankshaft Seal - With Flange (Version B) - Also referred to as the rear main seal - Febi - Audi Volkswagen

Also referred to as the rear main seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4039458
Mfg#:
06K103171G
In Stock
$36.99

This product was last offered at the strikethrough price on
04-16-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#2210325 - 1J0201511A - Fuel Filter - Restore fuel mileage and performance - Genuine Volkswagen Audi - Audi Volkswagen

Restore fuel mileage and performance Up to the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2210325
Mfg#:
1J0201511A
In Stock
15% off MSRP

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

$38.48

This product was last offered at the strikethrough price on
08-04-2026

$32.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Power Package - Audi B7 A4 2.0T

ES#4017057 - B7A4PWRPK - Build Your Own Power Package - Audi B7 A4 2.0T - Go from mild to wild! Select the options you want for your build. - Assembled By ECS - Audi

Go from mild to wild! Select the options you want for your build. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017057
Mfg#:
B7A4PWRPK
Ships on Feb 24, 2027
ON SALE!
Starting at $0.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

750CC EV14 Bosch Fuel Injector - Priced Each

ES#4013557 - 034-106-3031 - 750CC EV14 Bosch Fuel Injector - Priced Each - The most advanced injector we offer. - Bosch - Audi

The most advanced injector we offer. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4013557
Mfg#:
034-106-3031
Ships in 3 Business Days
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B9 A4 2.0T

ES#4727590 - AWEB9A4TR - AWE Touring Edition Exhaust System - Audi B9 A4 2.0T - Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology resonators. - AWE - Audi

Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology® resonators. For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
AWE - Corporate Logo
ES#:
4727590
Mfg#:
AWEB9A4TR
Ships on Aug 24, 2026
Starting at $2045.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Valve Cover & PCV Service Kit

ES#4070771 - 06D103469NKIT1 - Complete Valve Cover & PCV Service Kit - Comprehensive kit includes complete valve cover assembly, oil separator, breather hoses, associated gaskets and hardware - Knock out two birds with one stone! - Vaico - Audi

Comprehensive kit includes complete valve cover assembly, oil separator, breather hoses, associated gaskets and hardware - Knock out two birds with one stone! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4070771
Mfg#:
06D103469NKIT1
In Stock
$407.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Kit

ES#5469767 - 06h103495ah-KT - Pressure Control Valve (PCV) Kit - Also called the "breather valve" or "oil separator" - Hamburg Tech - Audi Volkswagen

Also called the "breather valve" or "oil separator" Fits up to production date 3/31/2012 - Please check existing part number before ordering

Brand:
Hamburg Tech - Corporate Logo
ES#:
5469767
Mfg#:
06H103495AH-KT
In Stock
$127.99

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

$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Chain Tensioner

ES#3220526 - 058109217B - Camshaft Chain Tensioner - Applies tension to the camshaft timing chain - Bremmen Parts - Audi Volkswagen

Applies tension to the camshaft timing chain 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220526
Mfg#:
058109217B
In Stock
ON SALE! SAVE 11%
$75.99

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

$67.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug/Sealing Washer - Priced Each

ES#2535634 - N0138157 - Drain Plug/Sealing Washer - Priced Each - Replace with every oil service to prevent leaks. 14x20 - Victor Reinz - Audi Volkswagen Porsche

Replace with every oil service to prevent leaks. 14x20 From VIN 8E-6-285001, split is in the 2006 model year

Brand:
Victor Reinz - Corporate Logo
ES#:
2535634
Mfg#:
N0138157
In Stock
$1.99 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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