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Audi A4 Engine Parts & Accessories

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Green Knock Sensor With Harness - 465mm

ES#4135457 - 06E905376A - Green Knock Sensor With Harness - 465mm - Detects engine ping for timing adjustment, 465mm length with green connector - Holstein - Audi Volkswagen

Detects engine ping for timing adjustment, 465mm length with green connector For cylinders 1-3

Brand:
Holstein - Corporate Logo
ES#:
4135457
Mfg#:
06E905376A
Ships in 1 Business Day
$40.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#4039957 - 06B905115E - Ignition Coil - Priced Each - Keep your engine running smooth. - Hella - Audi Volkswagen

Keep your engine running smooth.

Brand:
Hella - Corporate Logo
ES#:
4039957
Mfg#:
06B905115E
Ships on Oct 13, 2026
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#2540984 - 8K0819371J - Heater Core Hose - Return - Connects the heater core to the adapter flange - Genuine Volkswagen Audi - Audi

Connects the heater core to the adapter flange From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540984
Mfg#:
8K0819371J
Ships in 1-2 days
12% off MSRP

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

$33.99

This product was last offered at the strikethrough price on
08-30-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set - Priced Each

ES#3677368 - 06D198151E - Piston Ring Set - Priced Each - Kolbenschmidt - Audi Volkswagen

Brand:
Kolbenschmidt - Corporate Logo
ES#:
3677368
Mfg#:
06D198151E
Back Ordered
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch (91-102°C) - 3 Pin

ES#1694 - 191959481C - Auxiliary Fan Switch (91-102C) - 3 Pin - Located on the lower side of the radiator - Wahler - Audi Volkswagen

Located on the lower side of the radiator

Brand:
Wahler - Corporate Logo
ES#:
1694
Mfg#:
191959481C
Ships on Sep 28, 2026
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Service Kit

ES#3247585 - 058109229BKT3 - Cam Chain Service Kit - All the parts required for a timing chain replacement - Assembled By ECS - Audi

All the parts required for a timing chain replacement 10X Entries Into Our F80 M3 Sweepstakes
Fits models with AEB/ATW engine codes only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3247585
Mfg#:
058109229BKT3
In Stock
ON SALE! SAVE 23%
$155.08

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

$119.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket

ES#3194537 - 06F129717D - Intake Manifold Gasket - Seal up your intake manifold - Elwis - Audi Volkswagen

Seal up your intake manifold

Brand:
Elwis - Corporate Logo
ES#:
3194537
Mfg#:
06F129717D
Ships in 1 Business Day
$15.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket

ES#4145367 - 06K133073 - Throttle Body Gasket - Seals the throttle body to the intake manifold - SMP - Audi Volkswagen

Seals the throttle body to the intake manifold

Brand:
SMP - Corporate Logo
ES#:
4145367
Mfg#:
06K133073
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Three-Way Valve Housing

ES#2812997 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Hamburg Tech - Audi Volkswagen

'T' shaped connection below the intake manifold We Price Match - Give Us A Call or Chat!
Up to VIN 8E-3-500000, split is in the 2003 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812997
Mfg#:
06A103247
Ships in 1 Business Day
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Damper

Applies pressure to the tensioning roller We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812966
Mfg#:
058109479B
Ships in 1 Business Day
$59.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Mount - Priced Each

ES#371825 - 4B3121275 - Lower Radiator Mount - Priced Each - Stabilizes the radiator within the core support - Genuine Volkswagen Audi - Audi

Stabilizes the radiator within the core support

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
371825
Mfg#:
4B3121275
Ships in 2 Business 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.

$12.99

This product was last offered at the strikethrough price on
08-30-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#470730 - N90770201 - Spring Clamp - Priced Each - Ensure a proper seal on hose connections. 17x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal on hose connections. 17x12 Secures the expansion tank hose on both sides.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470730
Mfg#:
N90770201
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Phillips Head Screw - Priced Each

ES#469270 - N90172004 - Phillips Head Screw - Priced Each - Install new hardware with your new parts. M5x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M5x22 Engine codes ATW & AWM. Secures the MAF housing to the air cleaner

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469270
Mfg#:
N90172004
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Screw - Priced Each

ES#468461 - N10551403 - Hex Screw - Priced Each - Install new hardware with your new parts. M6x55 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x55

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468461
Mfg#:
N10551403
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Hose

ES#3640308 - 06L129629G - Turbo Inlet Hose - Connects the air box to the turbo - Genuine Volkswagen Audi - Audi

Connects the air box to the turbo

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3640308
Mfg#:
06L129629G
Back Ordered
Auto Notify
6% off MSRP

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

$126.99

This product was last offered at the strikethrough price on
08-30-2026

$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Turbo Inlet Hose

ES#3438170 - CTS-SIL-083 - Silicone Turbo Inlet Hose - Smooths the intake tract & provides unimpeded airflow - CTS - Audi

Smooths the intake tract & provides unimpeded airflow

Brand:
CTS - Corporate Logo
ES#:
3438170
Mfg#:
CTS-SIL-083
Back Ordered
ON SALE! SAVE 15%
$69.99

This product was last offered at the strikethrough price on
08-26-2026

$59.49 USD
Free Shipping

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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