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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Parts & Accessories

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Plastic securing clip - priced each

ES#423238 - 82386320301C - Plastic securing clip - priced each - Install new hardware with your new parts. - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used in securing the side engine covers

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
423238
Mfg#:
82386320301C
Ships in 6 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Adapter Gasket

Seals the oil filter adapter to the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
4150829
Mfg#:
06A115441J
Back Ordered
$3.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#4941347 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose flange in place. 32mm - Bremmen Parts - Audi Volkswagen

Secures the radiator hose flange in place. 32mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941347
Mfg#:
1J0121142
Back Ordered
Auto Notify
ON SALE! SAVE 57%
$1.99

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

$0.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Gasket - Priced Each

ES#2812976 - 058145757C - Turbo Oil Line Gasket - Priced Each - Seals the oil return line to the turbocharger - Hamburg Tech - Audi Volkswagen

Seals the oil return line to the turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812976
Mfg#:
058145757C
Ships in 2 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Gasket - Priced Each

ES#3139055 - 058145757C - Turbo Oil Line Gasket - Priced Each - Seals the oil return line to the turbocharger - Hudson - Audi Volkswagen

Seals the oil return line to the turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3139055
Mfg#:
058145757C
Ships in 4 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump O-Ring

ES#4144993 - 06A121119 - Water Pump O-Ring - Ensure a proper seal when installing a new water pump. 53x4mm - Rein - Audi Volkswagen

Ensure a proper seal when installing a new water pump. 53x4mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4144993
Mfg#:
06A121119
Back Ordered
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#2090873 - 06A103485F - Oil Cap - Clean up your engine bay with a new cap - MTC - Audi Volkswagen

Clean up your engine bay with a new cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2090873
Mfg#:
06A103485F
Back Ordered
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug - Priced Each

ES#2815649 - 357121140 - Coolant Flange Plug - Priced Each - Clip and o-ring sold separately - Hamburg Tech - Audi Volkswagen

Clip and o-ring sold separately affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815649
Mfg#:
357121140
Ships in 2 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1+ Performance Upgrade - Direct Port

Does not include injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For existing Stage 1 customers upgrading to Stage 1+. Drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2918519
Mfg#:
B6A4STG1UPGRDKT
In Stock
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713396 - 002598ECS05KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle black conversion plate -w- black 2.0T coils - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- black 2.0T coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2713396
Mfg#:
002598ECS05KT
In Stock
$318.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713413 - 002598ECS24KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle red conversion plate -w- black 2.0T coils and silver hold down kit - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- black 2.0T coils and silver hold down kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2713413
Mfg#:
002598ECS24KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit

ES#2570266 - 068115561BKT5 - Oil Service Kit - Includes large OE oil filter and OEM 502.00/505.00 High Performance Genuine Engine Oil (5w-40) - Genuine Volkswagen Audi - Audi

Includes large OE oil filter and OEM 502.00/505.00 High Performance Genuine Engine Oil (5w-40) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2570266
Mfg#:
068115561BKT5
In Stock
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
Scratch and Dent Item

IE VW/Audi 4-Cylinder Torque Plate *Scratch And Dent*

ES#5447463 - IETLVA3 - IE VW/Audi 4-Cylinder Torque Plate *Scratch And Dent* - Install aftermarket over-bore pistons with confidence - Mimics engine block shape with cylinder head installed - Scratch & Dent - Audi Volkswagen

Install aftermarket over-bore pistons with confidence - Mimics engine block shape with cylinder head installed ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5447463
Mfg#:
IETLVA3
In Stock
Limited Qty Sale
$483.99

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

$433.99 USD
Free Shipping
on orders $49 and up

PCV Breather Hose

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!

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

Oversized Valve Set 5-valve

ES#4858483 - 034-201-8014 - Oversized Valve Set 5-valve - High Flow Valve Set - 034Motorsport - Audi Volkswagen

High Flow Valve Set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858483
Mfg#:
034-201-8014
Ships in 2 Business Days
$200.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Pack - Level 1

ES#4017066 - b618tpplvl1KT1 - B6 A4 1.8T Performance Pack - Level 1 - Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits up to VIN 8E-3-500000, split is in the 2003 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017066
Mfg#:
B618TPPLVL1KT1
Ships in 3 Business Days
$398.99 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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