If you're diving into a clutch replacement or just want to make sure your ride is shifting smoothly, the Advanced Clutch Release Bearing RB104 is worth checking out. This isn't just any release bearing; it’s a solid piece that fits right in without any fuss and meets or even beats the original equipment standards. Trust me, you want something reliable under the hood.
Now, I’ve used this bearing on a few different models, and I can tell you—it really delivers when it comes to performance. Made from durable steel, it’s built to last and handle the kind of stress that comes with everyday driving and the occasional spirited run. The design is OE-style, which means you get that perfect fit and function, just like the factory intended.
Installation is a breeze too. If you’re the DIY type, you can find the install instructions here. Seriously, it’s straightforward enough that you won’t need to be a mechanic to get it done.
Let’s talk specs for a second. This bearing has a round shape, with an inside diameter of 1.07 inches (or 27.2 mm) and an outside diameter of 2.79 inches (70.9 mm). It’s sealed, which is a big plus for keeping dirt and grime out, and it’s self-aligning, so you won’t have to worry about any misalignment issues during installation. Weighing in at just half a pound, it’s light but sturdy, and it comes with mounting tabs already attached, making your life a bit easier.
What’s it fit? Well, it’s compatible with a range of Hyundai and Kia models, including:
In short, if you're looking for a reliable release bearing that won’t let you down, the RB104 is a solid choice. It’s got the specs, the build quality, and the ease of installation to make it a no-brainer for anyone who loves their car and wants it to run smoothly.
Other Part Numbers:
ACT #actRB104
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1996-2006 Hyundai Elantra |
Elantra | 1996-2006 |
|
2001-2006 Hyundai Santa Fe |
Santa Fe | 2001-2006 |
|
2002-2009 Hyundai Sonata |
Sonata | 2002-2009 |
|
1996-2008 Hyundai Tiburon |
Tiburon | 1996-2008 |
|
2001-2010 Kia Optima |
Optima | 2001-2010 |

If you've added boost, tuned for more power, or simply want better throttle control, then your stock clutch won't cut it. That?s where ACT (Advanced Clutch Technology) comes in delivering high-performance clutch kits and flywheels designed for real drivers who push their builds on the street, strip, or track.
ACT?s lineup includes everything from daily driver friendly HD kits to hardcore twin disc setups for serious horsepower. Whether you?re launching hard in a WRX, drifting in a 370Z, or canyon carving in an M3, ACT gives you the torque capacity and engagement you need without sacrificing drivability.
Why ACT? Because Power Without Control Is Useless.ACT doesn?t just make universal performance parts ? they build complete, vehicle-specific clutch solutions for enthusiast favorites. Whether you daily a Civic Type R, track a Subaru STI, drift a 240SX, or drag a Mustang GT, ACT offers the right clutch to match your build goals.
Top supported platforms include the Nissan 350Z/370Z, Toyota Supra A90, Chevy Camaro SS/ZL1, Mitsubishi Evo, Ford Focus RS/ST, and BMW M3/M4 ? each with clutch options tuned to your driving needs.
What ACT Offers:ACT isn?t hype ? it?s proven. Their clutches are SFI-certified, track-tested, and used by racers in drag, time attack, autocross, drift, and rally. But what really matters? They hold power, last longer, and feel right even after hundreds of hard launches or hours of canyon carving.
Whether you're upgrading for more power or replacing a tired OEM clutch, ACT gives you the bite, strength, and feel to drive harder with confidence. No compromises, no excuses just parts that work when it matters.