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Audi B5 A4 FWD 1.8T

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Audi B5 A4 FWD 1.8T Engine Parts & Accessories

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Transmission Mount - Left

ES#429713 - 8D0399151H - Transmission Mount - Left - Reduce excessive drivetrain vibrations - Genuine Volkswagen Audi - Audi Volkswagen

Reduce excessive drivetrain vibrations affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429713
Mfg#:
8D0399151H
Ships in 8 Business Days
6% off MSRP

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

$169.99

This product was last offered at the strikethrough price on
06-17-2026

$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor - Green Connector

ES#277140 - 054905377A - Knock Sensor - Green Connector - Detects engine ping for timing adjustment - Genuine Volkswagen Audi - Audi Volkswagen

Detects engine ping for timing adjustment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277140
Mfg#:
054905377A
Ships in 8 Business Days
6% off MSRP

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

$169.99

This product was last offered at the strikethrough price on
06-17-2026

$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wastegate Actuator Spring Tuning Kit

ES#1832543 - FMPACTUN - Wastegate Actuator Spring Tuning Kit - Fine tune your wastegate to the exact needs of your engine - Forge - Audi Volkswagen

Fine tune your wastegate to the exact needs of your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1832543
Mfg#:
FMPACTUN
Ships on Jul 29, 2026
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#3450039 - 06B103213G - Breather Tube - Connects the hose connector to the 'T' shaped fitting - Kayser - Audi Volkswagen

Connects the hose connector to the 'T' shaped fitting affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM

Brand:
Kayser - Corporate Logo
ES#:
3450039
Mfg#:
06B103213G
Ships in 4 Business Days
$54.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2894839 - 06A906461D - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Vemo - Audi Volkswagen

Restore fuel economy and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2894839
Mfg#:
06A906461D
In Stock at Vendor
$162.99

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

$158.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

ES#429716 - 8D0399151R - Transmission Mount - Priced Each - Fits the left and right side - Genuine Volkswagen Audi - Audi Volkswagen

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429716
Mfg#:
8D0399151R
Ships in 5 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.

$169.99

This product was last offered at the strikethrough price on
06-17-2026

$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Hose

ES#2515625 - 058133356L - Turbo Inlet Hose - Connects the MAF housing to the turbo - MTC - Audi Volkswagen

Connects the MAF housing to the turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2515625
Mfg#:
058133356L
Ships in 7 Business Days
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 2

ES#2608135 - 030121121BKT3 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine codes AEB & ATW from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608135
Mfg#:
030121121BKT3
Ships in 3 Business Days
ON SALE!
$165.99

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

$155.75 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oxygen Sensor - Priced Each

ES#1563 - 15160 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Bosch - Corporate Logo
ES#:
1563
Mfg#:
15160
In Stock at Vendor
$155.70

This product was last offered at the strikethrough price on
06-17-2026

$112.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manual Timing Belt Tensioner Kit

ES#2794650 - IEBEVA4S15 - Manual Timing Belt Tensioner Kit - Replace your failure prone gas-charged timing belt tensioner with this billet mechanical belt tensioner kit from Integrated Engineering. - Integrated Engineering - Audi Volkswagen

Replace your failure prone gas-charged timing belt tensioner with this billet mechanical belt tensioner kit from Integrated Engineering. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794650
Mfg#:
IEBEVA4S15
Back Ordered
$154.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Fluid Reservoir Cap

ES#2968802 - 6C0611349 - Brake Fluid Reservoir Cap - Clean up your engine bay with a new cap - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2968802
Mfg#:
6C0611349
Ships in 1-2 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.

$23.99

This product was last offered at the strikethrough price on
06-17-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2731572 - 002598ECS25KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle red conversion plate and stainless still hardware - ECS - Audi Volkswagen

Includes wrinkle red conversion plate and stainless still hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2731572
Mfg#:
002598ECS25KT
In Stock
ON SALE! SAVE 10%
$168.99

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

$152.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount - Black Series

ES#4871802 - PFF3-220BLK - Performance Snub Mount - Black Series - Put your power to the ground! - Powerflex Black Series - Audi Volkswagen

Put your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4871802
Mfg#:
PFF3-220BLK
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2586591 - 06B133555HAWMKT - Fuel Injector Installation Kit - Includes everything required to replace the fuel injectors - Genuine Volkswagen Audi - Audi

Includes everything required to replace the fuel injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2586591
Mfg#:
06B133555HAWMKT
Ships on Sep 30, 2026
Auto Notify
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#277605 - 058121058C - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the oil cooler to the hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8D-X-199999, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277605
Mfg#:
058121058C
Ships in 3 Business Days
9% off MSRP

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

$79.99

This product was last offered at the strikethrough price on
06-17-2026

$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Copper Drain Plug Washer - Pack Of 10

ES#2266 - N138492 10PACK - Copper Drain Plug Washer - Pack Of 10 - Replace with every oil service to prevent leaks. M14x20x1.5 - Victor Reinz - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM. Engine code AEB from VIN 8D-X-200001, split is in the 1999 model year (or with the updated oil pan)

Brand:
Victor Reinz - Corporate Logo
ES#:
2266
Mfg#:
N138492 10PACK
In Stock
$49.99 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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