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Audi A4 Engine Parts & Accessories

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Alternator/ Starter Harness

ES#452595 - 8K0971228 - Alternator/ Starter Harness - Connects the alternator and starter with the main engine harness - Genuine Volkswagen Audi - Audi

Connects the alternator and starter with the main engine harness Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452595
Mfg#:
8K0971228
Ships in 2 Business Days
6% off MSRP

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

$489.99

This product was last offered at the strikethrough price on
08-31-2026

$461.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2467 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Febi - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2467
Mfg#:
N90316802
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve - Priced Each

ES#2718704 - 06D109611H - Exhaust Valve - Priced Each - A sodium filled valve - TRW - Audi Volkswagen

A sodium filled valve

Brand:
TRW - Corporate Logo
ES#:
2718704
Mfg#:
06D109611H
In Stock
Limited Qty Sale
$51.81

This product was last offered at the strikethrough price on
05-09-2026

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Pressure Fuel Sensor - Priced Each

ES#4842770 - 06H906051K - Low Pressure Fuel Sensor - Priced Each - Located on the high pressure fuel pump or fuel hardline, depending on vehicle application - Bosch - Audi Volkswagen

Located on the high pressure fuel pump or fuel hardline, depending on vehicle application We Price Match - Give Us A Call or Chat!
Located in fuel feed line to fuel rail

Brand:
Bosch - Corporate Logo
ES#:
4842770
Mfg#:
06H906051K
Ships in 2 Business Days
$85.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Control Unit

ES#517450 - 8K2907115AA - Engine Control Unit - Brand new with no core charge - Genuine Volkswagen Audi - Audi

Brand new with no core charge For the 2010 model year only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
517450
Mfg#:
8K2907115AA
Ships in 8 Business Days
6% off MSRP

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

$1450.99

This product was last offered at the strikethrough price on
08-31-2026

$1367.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Replacement Kit

ES#4017762 - CHS0645 - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi Volkswagen

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Rein - Corporate Logo
ES#:
4017762
Mfg#:
CHS0645
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Guide Rail - Lower

ES#3220553 - 06H109469AH - Timing Chain Guide Rail - Lower - Lower right rail on the small chain - Bremmen Parts - Audi Volkswagen

Lower right rail on the small chain 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220553
Mfg#:
06H109469AH
In Stock
ON SALE! SAVE 10%
$9.99

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

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Large Bore Downpipe And Hi-Flow Cat

Downpipe with HJS 200-Cell High Flow Cat

Brand:
Milltek Sport - Corporate Logo
ES#:
4159430
Mfg#:
SSXAU744
Ships in 5 Business Days
ON SALE! SAVE 10%
$1514.99

This product was last offered at the strikethrough price on
09-18-2026

$1362.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount

ES#2597993 - 001577ECS01A - Performance Snub Mount - Reduce driveline lash with a full polyurethane mount - ECS - Audi Volkswagen

Reduce driveline lash with a full polyurethane mount 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2597993
Mfg#:
001577ECS01A
In Stock
ON SALE! SAVE 25%
$78.99

This product was last offered at the strikethrough price on
06-13-2026

$59.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust

ES#1892704 - 16600 - Cat-Back Exhaust - 2.25" stainless steel with dual 4" polished stainless tips - Magnaflow - Audi

2.25" stainless steel with dual 4" polished stainless tips

Brand:
Magnaflow - Corporate Logo
ES#:
1892704
Mfg#:
16600
Back Ordered
$1360.00 USD
Free Shipping
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 Into Our F80 M3 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
$685.99

This product was last offered at the strikethrough price on
08-31-2026

$679.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cam Follower Replacement Kit

ES#3149365 - 06D109309CKT2 - Cam Follower Replacement Kit - Vital OEM kit consisting of cam follower, fuel pump sealing o-ring, & fuel pump hardware - Genuine Volkswagen Audi - Audi

Vital OEM kit consisting of cam follower, fuel pump sealing o-ring, & fuel pump hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3149365
Mfg#:
06D109309CKT2
In Stock
$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#2588840 - 06F103383J - Cylinder Head Gasket - Restore power and stop leaks with this new head gasket - Genuine Volkswagen Audi - Audi Volkswagen

Restore power and stop leaks with this new head gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2588840
Mfg#:
06F103383J
Ships in 1 day
7% off MSRP

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

$208.99

This product was last offered at the strikethrough price on
08-31-2026

$193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket Kit

ES#3647669 - 06f103483dKT - Valve Cover Gasket Kit - All the gaskets and hardware necessary when replacing your leaky valve cover gasket - Genuine Volkswagen Audi - Audi Volkswagen

All the gaskets and hardware necessary when replacing your leaky valve cover gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3647669
Mfg#:
06F103483DKT
In Stock
$225.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Camshaft

ES#4177005 - 06H109021K - Intake Camshaft - Lobed shaft responsible for operating intake valves - Vaico - Audi Volkswagen

Lobed shaft responsible for operating intake valves We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4177005
Mfg#:
06H109021K
Ships in 1 Business Day
$1392.99

This product was last offered at the strikethrough price on
05-07-2026

$1352.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Line

ES#2766661 - 06K127501H - Fuel Line - Connects HPFP to the Fuel Rail - Genuine Volkswagen Audi - Audi Volkswagen

Connects HPFP to the Fuel Rail

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2766661
Mfg#:
06K127501H
Ships in 1 day
7% off MSRP

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

$131.99

This product was last offered at the strikethrough price on
09-22-2026

$122.99 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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