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Audi A3 Engine Parts & Accessories

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ES#4368651 - 18TSI-IS12-1 - Unitronic Performance Software - Stage 1 - Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane - Unitronic - Audi Volkswagen

Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4368651
Mfg#:
18TSI-IS12-1
In Stock
$800.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4369225 - 18TSI-IS12-2D - Unitronic Performance Software - Stage 2 - With DSG Software - Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Requires Unitronic 3 Inch Downpipe

Brand:
Unitronic - Corporate Logo
ES#:
4369225
Mfg#:
18TSI-IS12-2D
In Stock
10% off MSRP

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

$1450.00

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

$1300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Restore accurate oil monitoring and protect your engine with this high-quality OEM oil level sensor and hardware. 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#:
5435457
Mfg#:
06K907637BKT
In Stock
ON SALE! SAVE 27%
$142.99

This product was last offered at the strikethrough price on
02-27-2026

$104.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Complete assembly includes the turbo and exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For TSI engine models with CBFA engine code only

Brand:
BMTS Technology - Corporate Logo
ES#:
5456657
Mfg#:
06J145713F
In Stock
Limited Qty Sale
$1220.99

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

$1119.99 USD
Free Shipping
on orders $49 and up

Connects the PCV valve to oil filter adapter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engines only

Brand:
Bremmen Parts - Corporate Logo
ES#:
5434111
Mfg#:
06F103235A
In Stock
ON SALE! SAVE 21%
$28.99

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

$22.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Based on a BorgWarner K04-064 frame affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This K04 Turbocharger will require diverter valve relocation

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4939916
Mfg#:
SW10016.1
In Stock
$2583.99 USD
ES#4858489 - 034-201-8015 - Oversized, Back Cut Intake Valve - .5mm  - Priced Each - Black Nitride oversize stainless intake valve for all 4v VW/Audi motors including 16v,20v and 32v motors. - 034Motorsport - Audi Volkswagen

Black Nitride oversize stainless intake valve for all 4v VW/Audi motors including 16v,20v and 32v motors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858489
Mfg#:
034-201-8015
Ships in 2 Business Days
$43.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4877247 - 034-103-2820 - 8V Audi A3 EA888.3 1.8T Dynamic+ Performance Software Package - Unleash up to 261HP/322TQ by transforming your VW/Audi MQB 1.8T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 261HP/322TQ by transforming your VW/Audi MQB 1.8T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4877247
Mfg#:
034-103-2820
Ships in 2 Business Days
Starting at $180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4858493 - 034-201-8016-1.5 - Oversized Exhaust Valve - 1.5mm - Priced Each - 1.5mm oversze Inconel exhuast valve for all 4v VW/Audi motors including 16v,20v and early 32v motors. - 034Motorsport - Audi Volkswagen

1.5mm oversze Inconel exhuast valve for all 4v VW/Audi motors including 16v,20v and early 32v motors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858493
Mfg#:
034-201-8016-1.5
Ships in 2 Business Days
$51.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#264122 - 54-11112 - Pro 5 R Stage 2 Intake System - Add real power that you can feel - AFE - Audi Volkswagen

Add real power that you can feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states
For vehicles with FSI engines only

Brand:
AFE - Corporate Logo
ES#:
264122
Mfg#:
54-11112
EO#:
D-550-30
In Stock at Vendor
20% off MSRP

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

$483.75

This product was last offered at the strikethrough price on
01-28-2026

$387.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5395997 - 52-10020R - Rapid Induction Cold Air Intake System W/ Pro 5R Filter - Boost airflow and horsepower with the aFe POWER Pro 5R intake systemfeaturing a 7" pre-oiled five-layer cotton gauze filter, 3" mandrel-bent aluminum intake tube, and top-mounted heat shield for street and track-ready performance. - AFE - Audi Volkswagen

Boost airflow and horsepower with the aFe POWER Pro 5R intake system—featuring a 7" pre-oiled five-layer cotton gauze filter, 3" mandrel-bent aluminum intake tube, and top-mounted heat shield for street and track-ready performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
5395997
Mfg#:
52-10020R
Ships in 3 Business Days
20% off MSRP

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

$436.99

This product was last offered at the strikethrough price on
02-17-2026

$349.00 USD
Free Shipping
ES#5426337 - 52-10020DR - Rapid Induction Red Edition Cold Air Intake System W/ Pro DRY S Filter - Deliver cooler, higher-volume airflow with this aFe POWER Pro DRY S intake systemdesigned to outflow the factory setup by 19% and deliver improved responsiveness, torque, and overall drivability. - AFE - Audi Volkswagen

Deliver cooler, higher-volume airflow with this aFe POWER Pro DRY S intake system—designed to outflow the factory setup by 19% and deliver improved responsiveness, torque, and overall drivability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
5426337
Mfg#:
52-10020DR
Ships in 3 Business Days
20% off MSRP

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

$477.99

This product was last offered at the strikethrough price on
05-28-2026

$382.00 USD
Free Shipping
ES#4460762 - 55-10012D - Super Stock Induction System - Pro DRY S Filter - Dyno-proven gains up to 5 hp and 6 ft-lbs of torque - AFE - Audi Volkswagen

Dyno-proven gains up to 5 hp and 6 ft-lbs of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4460762
Mfg#:
55-10012D
Ships in 2 Business Days
20% off MSRP

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

$283.99

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

$227.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5373591 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Ajusa - Audi Volkswagen

O-Ring between thermostat housing and cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ajusa - Corporate Logo
ES#:
5373591
Mfg#:
021121119A
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4150308 - 022253050B - Exhaust Manifold Gasket - Gasket between cylinder head and cylinder 4-6 exhaust manifold - Ajusa - Audi Volkswagen

Gasket between cylinder head and cylinder 4-6 exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ajusa - Corporate Logo
ES#:
4150308
Mfg#:
022253050B
Ships in 3 Business Days
$4.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3690811 - 06j905110kktKT - Ignition Service Kit - Includes four Beru coil packs and NGK revision spark plugs - Assembled By ECS - Audi

Includes four Beru coil packs and NGK revision spark plugs 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#:
3690811
Mfg#:
06J905110KKTKT
In Stock at Vendor
ON SALE! SAVE 27%
$355.99

This product was last offered at the strikethrough price on
02-13-2026

$260.47 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.

Let us help you find the parts that fit your Audi

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