If you're diving into a clutch replacement or just looking to refresh your ride, the Advanced Clutch Release Bearing RB846 is a solid choice. It's not just any release bearing; this one’s built to meet or even surpass OE standards, which is something you’ll definitely appreciate when you’re behind the wheel.
Now, I’ve installed a fair share of these, and I can tell you that the fit is spot on. It’s designed to be a direct replacement, so you won’t be wrestling with it just to get it in place. If you need some guidance, you can check out the installation instructions here. Trust me, having a clear guide makes the process a lot smoother.
What’s great about the RB846? For starters, it’s made from high-quality steel, which means it’s got the durability to handle the demands of everyday driving and the occasional spirited run. The bearing shape is round, and it’s sealed, so you can count on it keeping dirt and grime at bay. Plus, it’s self-aligning, which helps with installation and ensures it operates smoothly once it's in.
Let’s talk specs for a second. The inside diameter measures 1.31 inches (33.3 mm), while the outside diameter is 2.75 inches (69.9 mm). Weighing in at just 0.6 lbs, it’s light but tough, and it doesn't come with any mounting tabs, which is typical for this kind of part. You’ll find that it fits a range of models, including:
So, whether you’re gearing up for a weekend project or just need a reliable part that won't let you down, the RB846 has got you covered. It’s one of those pieces that you can trust to keep your vehicle running smoothly, and that’s what it’s all about.
Other Part Numbers:
ACT #actRB846
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2006 Saab 9-2X |
9-2X | 2006 |
|
2005-2006 Saab 9-2X Wagon |
9-2X Wagon | 2005-2006 |
|
2003-2006 Subaru Baja |
Baja | 2003-2006 |
|
2003-2008 Subaru Forester |
Forester | 2003-2008 |
|
2000-2011 Subaru Impreza |
Impreza | 2000-2011 |
|
2005-2012 Subaru Legacy |
Legacy | 2005-2012 |
|
2005-2009 Subaru Outback |
Outback | 2005-2009 |
|
2006-2024 Subaru WRX |
WRX | 2006-2024 |

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.