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Audi A4 Engine Parts & Accessories

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Radiator

ES#1848492 - 8E0121251AQ - Radiator - Keep your cooling system operating properly - Nissens - Audi

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
1848492
Mfg#:
8E0121251AQ
Ships in 1-2 days
$202.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer

ES#4779260 - 06L105243AS - Harmonic Balancer - Reduces torsional vibrations on your crankshaft - Genuine Volkswagen Audi - Audi

Reduces torsional vibrations on your crankshaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4779260
Mfg#:
06L105243AS
Ships in 4 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.

$441.99

This product was last offered at the strikethrough price on
02-26-2026

$404.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Transmission Mount Kit

ES#2587113 - 8D0399151RKT - Complete Transmission Mount Kit - Includes all mounts and hardware to reduce driveline vibrations - Genuine Volkswagen Audi - Audi Volkswagen

Includes all mounts and hardware to reduce driveline vibrations For automatic transmission vehicles

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2587113
Mfg#:
8D0399151RKT
Ships on Feb 10, 2027
$404.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Left

ES#2872410 - 8D0399151H - Transmission Mount - Left - Reduce excessive drivetrain vibrations - Febi - Audi Volkswagen

Reduce excessive drivetrain vibrations 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872410
Mfg#:
8D0399151H
In Stock
$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve Repair Kit

ES#3426986 - 1C0906517AKT - Purge Valve Repair Kit - Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps - Assembled By ECS - Audi Volkswagen

Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3426986
Mfg#:
1C0906517AKT
In Stock
ON SALE! SAVE 23%
$47.99

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

$36.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#280419 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - Genuine Volkswagen Audi - Audi Volkswagen

Lowers engine oil temperature

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280419
Mfg#:
06D117021C
Ships in 1-2 days
7% off MSRP

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

$433.99

This product was last offered at the strikethrough price on
02-26-2026

$403.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#278413 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - Genuine Volkswagen Audi - Audi Volkswagen

Common source of undiscoverable coolant leaks Up to VIN 8D-X-300000, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
278413
Mfg#:
068117021B
Ships in 4 Business Days
7% off MSRP

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

$433.99

This product was last offered at the strikethrough price on
02-26-2026

$403.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve Service Kit

ES#3183737 - 06E103547PKT - Pressure Control Valve Service Kit - Complete kit to service the PCV/Oil separator located underneath the intake manifold - Assembled By ECS - Audi

Complete kit to service the PCV/Oil separator located underneath the intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3183737
Mfg#:
06E103547PKT
Ships in 1-2 days
ON SALE! SAVE 19%
$249.99

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

$201.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Mass Air Flow Sensor (MAF)

ES#2530063 - 037906461CX - Remanufactured Mass Air Flow Sensor (MAF) - Includes a $25 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes a $25 refundable core charge From VIN 8D-W-080001, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2530063
Mfg#:
037906461CX
Ships in 8 Business Days
$402.99

This product was last offered at the strikethrough price on
02-26-2026

$401.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner - Right

ES#4004748 - 06E109218T - Upper Timing Chain Tensioner - Right - Applies tension to the upper right timing chain - Ina - Audi

Applies tension to the upper right timing chain We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
4004748
Mfg#:
06E109218T
Ships in 1-2 days
$200.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#277547 - 058103221E - Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277547
Mfg#:
058103221E
Ships in 1-2 days
7% off MSRP

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

$71.99

This product was last offered at the strikethrough price on
08-18-2026

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#2894965 - 078133062B - Throttle Body - Does not include gaskets or hardware - Vemo - Audi Volkswagen

Does not include gaskets or hardware For vehicles with ATQ engine code only

Brand:
Vemo - Corporate Logo
ES#:
2894965
Mfg#:
078133062B
In Stock
Limited Qty Sale
$524.99

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

$400.99 USD
Free Shipping
on orders $49 and up

Alternator - 120 Amps

ES#259915 - 078903016H - Alternator - 120 Amps - Brand new, no core charge - Valeo - Audi

Brand new, no core charge We Price Match - Give Us A Call or Chat!
For vehicles with Valeo style alternators. Please check current alternator for correct part number

Brand:
Valeo - Corporate Logo
ES#:
259915
Mfg#:
078903016H
Back Ordered
Auto Notify
$400.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High-Flow Turbo Inlet Hose

ES#3552813 - 034-145-A062 - 034Motorsport High-Flow Turbo Inlet Hose - Smooths the intake tract & provides unimpeded airflow - 034Motorsport - Audi

Smooths the intake tract & provides unimpeded airflow

Brand:
034Motorsport - Corporate Logo
ES#:
3552813
Mfg#:
034-145-A062
Ships in 2 Business Days
ON SALE! SAVE 10%
$89.00

This product was last offered at the strikethrough price on
08-17-2026

$80.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit - Stage 2

ES#2730878 - 09356KT2 - Ignition Service Kit - Stage 2 - Includes Bosch plug wires, Bosch spark plugs, and a Prenco ignition coil - Assembled By ECS - Audi

Includes Bosch plug wires, Bosch spark plugs, and a Prenco ignition coil 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2730878
Mfg#:
09356KT2
Back Ordered
ON SALE!
$417.99

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

$400.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage I Performance Chip - 1 Program

ES#514197 - B820TSTG1CHIP-1 - Stage I Performance Chip - 1 Program - Gains up to 64Hp --- 265hp/327lb-ft (93 octane) - APR - Audi

Gains up to 64Hp --- 265hp/327lb-ft (93 octane) Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Up to the 2012 model year.

Brand:
APR - Corporate Logo
ES#:
514197
Mfg#:
B820TSTG1CHIP-1
In Stock
$399.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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