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Your Vehicle 1983 Mercedes Benz 300D Base Sedan 123.133 L5 3.0L

Audi B5 A4 1.8T ECS RA4 Conversion Clutch Kits

Why not replace your worn stock clutch with something special?

We have three great clutch conversion kits built around our ECS-engineered lightweight RA4 flywheel. This lightweight design reduces rotational mass for faster revs off idle, while its larger clutch contact surface improves clamping for better power transfer.

Improved low-end throttle response. Smooth operation. Less lost power off the line. Stronger and tougher than the original.

If performance is job one on your to-do list, ECS Tuning flywheel kits deliver.


So Clutch!

Fits:
Audi B5 A4 1.8T (1996-2001)

RA4 240mm Clutch Conversion Kit - Stage 1
ECS RA4 Lightweight Flywheel with the Audi S4 clutch kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5485
Mfg#: RA4S1-STEEL

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Aug 11, 2026
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On SALE
$846.99

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

$804.64 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RA4 240mm Clutch Conversion Kit - Stage 2
ECS RA4 Lightweight Flywheel with the Audi RS4 clutch kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5486
Mfg#: RA4S2-STEEL

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Aug 11, 2026
Auto Notify
On SALE Save 10%
$1067.99

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

$961.19 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RA4 240mm Clutch Conversion Kit - Stage 3
ECS RA4 Lightweight Flywheel with the Clutch Masters Stage 3 clutch kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5487
Mfg#: RA4S3-STEEL

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Aug 11, 2026
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$1365.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RA4 Single Mass Flywheel Kit
Engineered to convert your 1.8T clutch to the much more durable S4 clutch
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

To be used with RA4 240MM, S4, & RS4 clutch kits only
Brand: ECS - Corporate Logo
ES#: 12084
Mfg#: ECS212321B5KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Aug 11, 2026
Auto Notify
On SALE Save 25%
$536.99

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

$402.74 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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