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Audi A3 FWD TDI

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Audi A3 FWD TDI Engine Parts & Accessories

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Matte Black Battery Cover Kit

ES#4143530 - 019722ECS01-02KT - Matte Black Battery Cover Kit - Ditch the plastic and upgrade to an ECS Aluminum & Matte Black Battery Cover Kit! - ECS - Audi Volkswagen

Ditch the plastic and upgrade to an ECS Aluminum & Matte Black Battery Cover Kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4143530
Mfg#:
019722ECS01-02KT
In Stock
ON SALE!
$196.99

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

$190.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose

ES#4338188 - 2101 - 12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose - ECS - Audi BMW Volkswagen Mercedes Benz

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4338188
Mfg#:
2101
In Stock
ON SALE! SAVE 25%
$32.99

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

$24.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 140 Amp

ES#2550150 - 06F903023FX - Remanufactured Alternator - 140 Amp - Price includes $300 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Price includes $300 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Bosch style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2550150
Mfg#:
06F903023FX
Ships in 1 day
$1017.99

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

$938.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover

ES#515464 - 03L103469 - Valve Cover - Includes oil cap, gasket, and hardware - Genuine Volkswagen Audi - Audi Volkswagen

Includes oil cap, gasket, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with CBEA or CJAA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
515464
Mfg#:
03L103469
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.

$495.99

This product was last offered at the strikethrough price on
06-08-2026

$462.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank & Washer Fluid Reservoir Cap Set - Black

ES#2804150 - 009635ECS02KT - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804150
Mfg#:
009635ECS02KT
In Stock
ON SALE! SAVE 37%
$48.98

This product was last offered at the strikethrough price on
01-03-2026

$30.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Fuel Rail

ES#276045 - 03L130089 - Fuel Rail - Distributes fuel to the injectors - Genuine Volkswagen Audi - Audi Volkswagen

Distributes fuel to the injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
276045
Mfg#:
03L130089
Ships in 1 day
6% off MSRP

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

$969.99

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

$911.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Coupler - Upper

ES#342990 - 3C0122291 - Radiator Coupler - Upper - Coupler that connects the upper radiator hose to the radiator - Genuine Volkswagen Audi - Audi Volkswagen

Coupler that connects the upper radiator hose to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
342990
Mfg#:
3C0122291
In Stock
$151.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Wiring Harness

ES#2084775 - 03L972619AM - Engine Wiring Harness - Complete harness for the engine - Genuine Volkswagen Audi - Audi Volkswagen

Complete harness for the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2011 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084775
Mfg#:
03L972619AM
Ships in 1 day
6% off MSRP

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

$953.99

This product was last offered at the strikethrough price on
06-08-2026

$897.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#4858532 - 2Q0121321A - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Bremmen Parts - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4858532
Mfg#:
2Q0121321A
In Stock
ON SALE! SAVE 22%
$19.99

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

$15.50 USD
Free Shipping
on orders $49 and up

Primary Fan Assembly - 360mm

ES#2717968 - 1K0959455FR - Primary Fan Assembly - 360mm - Larger of the two cooling fans found behind the radiator - Mahle-Behr - Audi Volkswagen

Larger of the two cooling fans found behind the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2717968
Mfg#:
1K0959455FR
Ships in 2 Business Days
$305.92

This product was last offered at the strikethrough price on
03-06-2026

$288.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#4429961 - 1J0907660F - Oil Level Sensor - Mounted on the bottom of the oil pan - URO - Audi Volkswagen

Mounted on the bottom of the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4429961
Mfg#:
1J0907660F
In Stock
$53.99 USD
Free Shipping
on orders $49 and up

Accessory Belt

ES#2725436 - 03L903137T - Accessory Belt - Replaces your cracked or worn belt - Continental - Audi Volkswagen

Replaces your cracked or worn belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2725436
Mfg#:
03L903137T
In Stock
$16.84

This product was last offered at the strikethrough price on
04-09-2026

$13.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Alternator - 140 Amp

ES#4140441 - 06F903023FX - New Alternator - 140 Amp - Keep your electrical system operating at full potential - Valeo - Audi Volkswagen

Keep your electrical system operating at full potential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with Bosch style alternators

Brand:
Valeo - Corporate Logo
ES#:
4140441
Mfg#:
06F903023FX
In Stock
$424.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Radiator Coupler - Upper

ES#3553274 - 462-121-291U - Cast Aluminum Radiator Coupler - Upper - Replace your inferior plastic component - iABED Industries - Audi Volkswagen

Replace your inferior plastic component affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iABED Industries - Corporate Logo
ES#:
3553274
Mfg#:
462-121-291U
Back Ordered
Auto Notify
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 - With FlashZilla V3

ES#3098264 - cr-tdi-g-003KT - Stage 3 - With FlashZilla V3 - Average gain of 50 horsepower and 85 lb-ft of torque - Tunezilla - Audi Volkswagen

Average gain of 50 horsepower and 85 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires CR 170 turbo upgrade, vehicles equipped with DSG transmission require a DSG tune, clutch upgrade recommended for vehicles with manual transmissi

Brand:
Tunezilla - Corporate Logo
ES#:
3098264
Mfg#:
CR-TDI-G-003KT
Ships in 7 Business Days
$839.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#4418946 - 038117021E - Engine Oil Cooler - Lowers engine oil temperature - Nissens - Audi Volkswagen

Lowers engine oil temperature We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4418946
Mfg#:
038117021E
In Stock at Vendor
$207.99 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.

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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