TOP ECS Products | Audi B6 A4 Quattro 1.8T
ECS loves helping you make your car all it can be, that’s why we’ve put all our top performance parts for your Audi together in one place. This list, compiled by our Audi B6 A4 gurus and designed by our fantastic R&D team, is everything you need to outfit your car with all those goodies you’ve wanted for your build. Let’s make your summer even more fun with all the best ECS Performance parts for your Audi.
Top Products from ECS
Audi B6 A4 Quattro 1.8T
Ignition Wiring Replacement Harness - Audi B5/B6 A4 1.8T
Replace faulty coil pack wiring to keep your vehicle operating properly
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Brand:
ES#:
2996236
Mfg#:
012211ECS01
RA4 240mm Clutch Conversion Kit - Stage 2
Lightweight flywheel with the RS4 pressure plate and disc
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Brand:
ES#:
5489
Mfg#:
ECSB6A4RS4CCKSTL
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Availability:
Ships on Aug 11, 2026
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Ships on Aug 11, 2026
RA4 240mm Clutch Conversion Kit - Stage 1
Lightweight flywheel with the S4 pressure plate and disc
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Brand:
ES#:
5488
Mfg#:
ECSB6A4RA4S1KTST
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Availability:
Ships on Aug 11, 2026
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This product has been superseded to
ES#4840231
Street Shield Aluminum Skid Plate Kit - Audi B6 A4 - (NO LONGER AVAILABLE)
Protect your vehicle's oil pan and undercarriage components with our heavy duty aluminum skid plate
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Brand:
ES#:
2845867
Mfg#:
003252ECS02AKT2
No longer available
Silicone Turbo Inlet Hose
Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability!
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Brand:
ES#:
3134120
Mfg#:
011204ECS02
ECS Vent Pod Boost Gauge Kit - (NO LONGER AVAILABLE)
Vent-mounted digital boost gauge for B6 A4 looks factory installed
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Brand:
ES#:
8020
Mfg#:
8E0998003
No longer available
Billet Interior Hood Release Lever - Audi B6/B7
Billet aluminum hood release handle replacement for the plastic OEM lever
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Brand:
ES#:
3426571
Mfg#:
019766ECS01
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle red conversion plate -w- red 2.0T coils
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Brand:
ES#:
2713404
Mfg#:
002598ECS17KT
Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit
Complete set of DOT-compliant lines for an improved pedal feel
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Brand:
ES#:
1402
Mfg#:
B6A4SSBLK
Performance Snub Mount
Reduce driveline lash with a full polyurethane mount
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Brand:
ES#:
2718769
Mfg#:
004329ECS01A
Adjustable Short Throw Shifter - Audi B6/B7 A4/S4
Find your perfect setting with 3 steps of throw reduction
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Brand:
ES#:
3023144
Mfg#:
009198ECS01
ECS Vent Pod Boost Gauge Kit - (NO LONGER AVAILABLE)
Vent-mounted digital boost gauge for B6 A4 looks factory installed
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Brand:
ES#:
2696110
Mfg#:
8E0998003KT
No longer available
RA4 Single Mass Flywheel Kit
Choose street smooth or track tough
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Brand:
ES#:
12085
Mfg#:
ECS212321B6KT
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Availability:
Ships on Aug 11, 2026
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2.0T Coil Pack Conversion Kit - Stage 2
Includes wrinkle red conversion plate -w- red 2.0T coils and red hold down kit
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Brand:
ES#:
2713407
Mfg#:
002598ECS19KT
Complete Rear Differential Mount Kit
Includes the ECS Rear Differential Mount and Carrier Mount Inserts!
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Brand:
ES#:
3172515
Mfg#:
018327ECS01KT
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Availability:
Ships on Aug 17, 2026
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2.0T Coil Pack Conversion Kit - Stage 2
Includes wrinkle black conversion plate -w- red 2.0T coils and black hold down kit
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Brand:
ES#:
2713390
Mfg#:
002598ECS02KT
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Availability:
Ships in 10 Business Days
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Billet Aluminum Coolant J-Plug W/ O-ring (06B103033A)
Engineered to be the last worry in your coolant system
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Brand:
ES#:
2763232
Mfg#:
005224ECS01A
Rear Differential Carrier Mount Bushing Insert Kit
Decrease differential slop for better drivetrain response!
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Brand:
ES#:
3132752
Mfg#:
018327ECS01
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Availability:
Ships on Aug 17, 2026
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Ships on Aug 17, 2026
Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32)
For customers with existing 18z calipers, brake pads, & fluid
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Brand:
ES#:
3082393
Mfg#:
B5S4S4BBKRXSKT
2.0T Coil Pack Conversion Kit - Stage 2
Includes wrinkle red conversion plate -w- red 2.0T coils and black hold down kit
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Brand:
ES#:
2713406
Mfg#:
002598ECS18KT
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Availability:
Ships in 10 Business Days
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Performance Rear Differential Mount - Audi B6/B7 A4/S4
Increase drivetrain rigidity and response!
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Brand:
ES#:
2717984
Mfg#:
003249ECS01
2.0T Coil Pack Conversion Kit - Stage 2
Includes anodized black conversion plate -w- red 2.0T coils and red hold down kit
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Brand:
ES#:
2713402
Mfg#:
002598ECS11KT
ECS Wheel Spacer & Bolt Kit - 10mm With Black Ball Seat Bolts
Includes everything you need to install spacers on two wheels
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Brand:
ES#:
2748191
Mfg#:
00240302A10KT3
2.0T Coil Pack Conversion Kit - Stage 2
Includes anodized black conversion plate -w- red 2.0T coils and black hold down kit
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Brand:
ES#:
2713398
Mfg#:
002598ECS10KT
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Availability:
Ships in 10 Business Days
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2.0T Coil Pack Conversion Kit - Stage 2
Includes wrinkle black conversion plate -w- red 2.0T coils and red hold down kit
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Brand:
ES#:
2713393
Mfg#:
002598ECS03KT
This product has been superseded to
ES#4668385
Front Cross Drilled & Slotted Brake Rotors - Pair (288x25) - (NO LONGER AVAILABLE)
Featuring GEOMET® protective coating
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Brand:
ES#:
2189751
Mfg#:
8E0615301QKT7
No longer available
2.0T Coil Pack Conversion Kit - Stage 1
Includes anodized black conversion plate -w- red 2.0T coils
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Brand:
ES#:
2713399
Mfg#:
002598ECS09KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle black conversion plate -w- red 2.0T coils
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Brand:
ES#:
2713391
Mfg#:
002598ECS01KT
Performance Caliper Guide Bushing Set
Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle.
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Industry leading design for maximum performance with minimal maintenance!
Industry leading design for maximum performance with minimal maintenance!
Brand:
ES#:
2931544
Mfg#:
003326ECS01-02KT