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Audi A3 FWD TDI Engine Parts & Accessories

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Intake Valve - Priced Each

ES#276006 - 03L109601 - Intake Valve - Priced Each - Keep your engine running strong - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running strong

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
276006
Mfg#:
03L109601
In Stock
ON SALE! SAVE 18%
$71.99

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

$58.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring - Priced Each

ES#2865801 - 038121119B - Thermostat O-Ring - Priced Each - Recommended when changing the thermostat - Febi - Audi Volkswagen

Recommended when changing the thermostat 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865801
Mfg#:
038121119B
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#1833445 - 03L122157E - Coolant Hose - Connects thermostat housing to the upper radiator hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects thermostat housing to the upper radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1833445
Mfg#:
03L122157E
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.

$248.99

This product was last offered at the strikethrough price on
08-01-2026

$231.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Standard Timing Belt Kit

ES#2738418 - 03L109119Fkt1 - Standard Timing Belt Kit - Includes basic components to change your timing belt - Assembled By ECS - Audi

Includes basic components to change your timing belt 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2738418
Mfg#:
03L109119FKT1
In Stock
ON SALE! SAVE 12%
$260.99

This product was last offered at the strikethrough price on
03-29-2026

$230.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ADAPTER

ES#4625384 - 045115389K - ADAPTER - Genuine Volkswagen Audi - Audi Volkswagen

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4625384
Mfg#:
045115389K
In Stock
Limited Qty Sale
$254.99

This product was last offered at the strikethrough price on
06-15-2026

$227.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Boost Tee Manual Boost Controller - Black

ES#4430283 - TS-0101-1102 - Turbosmart Boost Tee Manual Boost Controller - Black - In-car boost controller for fine tuning - TurboSmart - Audi Volkswagen MINI Porsche

In-car boost controller for fine tuning

Brand:
TurboSmart - Corporate Logo
ES#:
4430283
Mfg#:
TS-0101-1102
In Stock at Vendor
10% off MSRP

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

$124.99

This product was last offered at the strikethrough price on
08-01-2026

$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Drain Plug with Seal - M14x22x1.5mm - Price Each

ES#2834954 - N90813202 - Engine Oil Drain Plug with Seal - M14x22x1.5mm - Price Each - Includes crush washer. M14x1.5 - Febi - Audi

Includes crush washer. M14x1.5 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
The Seal Washer is not available separately.

Brand:
Febi - Corporate Logo
ES#:
2834954
Mfg#:
N90813202
In Stock at Vendor
$4.07

This product was last offered at the strikethrough price on
07-23-2026

$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan

ES#3537027 - 03G103603AD - Oil Pan - Stock replacement oil pan - Hamburg Tech - Audi Volkswagen

Stock replacement oil pan We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3537027
Mfg#:
03G103603AD
Ships in 1 Business Day
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Smooth Expansion Tank & Washer Fluid Reservoir Cap Set - Black

ES#3509361 - 009635ECS05KT - Smooth Expansion Tank & Washer Fluid Reservoir Cap Set - Black - Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones - Assembled By ECS - Audi Volkswagen

Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3509361
Mfg#:
009635ECS05KT
In Stock
ON SALE!
$60.99

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

$55.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Hex Bolt - Priced Each

ES#468842 - N10699901 - Hex Bolt - Priced Each - Install new hardware with your new parts. M10x45 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M10x45 Secures the mid idler roller to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468842
Mfg#:
N10699901
In Stock
$2.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2966676 - 1K0121251EH - Radiator - Keep your engine running cool with a new radiator - Nissens - Audi Volkswagen

Keep your engine running cool with a new radiator We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2966676
Mfg#:
1K0121251EH
Ships in 6 Business Days
$218.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#280019 - 06B121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x3.5mm - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x3.5mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280019
Mfg#:
06B121119B
Ships on Aug 3, 2026
3% off MSRP

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

$5.76

This product was last offered at the strikethrough price on
07-23-2026

$5.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt Kit

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5424940
Mfg#:
03L903137T2KT
In Stock
ON SALE! SAVE 24%
$71.99

This product was last offered at the strikethrough price on
06-07-2026

$54.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#2991994 - 06C103485N - Oil Cap - Ensure a proper seal and good looks with this new cap - URO - Audi Volkswagen

Ensure a proper seal and good looks with this new cap 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2991994
Mfg#:
06C103485N
In Stock
$6.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Tensioner

ES#2500679 - 03L109243E - Timing Belt Tensioner - Small tensioner located below the timing gear - Ina - Audi Volkswagen

Small tensioner located below the timing gear We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2500679
Mfg#:
03L109243E
In Stock at Vendor
$71.99 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.

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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