Help keep the rear suspension pivoting smoothly and quietly with the Dorman suspension knuckle bushing, part number 905-521, a rear lower replacement that cushions the connection at the suspension knuckle. It fits many vehicles, among them the 1992-2011 Toyota Camry, 2001-2013 Toyota Highlander and 1995-2012 Toyota Avalon, along with a wide range of other Toyota and Lexus models. See the "Vehicles it fits" section for the full list and engine details.
Dorman precision-engineers and tests this knuckle bushing as a dependable replacement for the original equipment on specific vehicles. It sits at the rear lower mounting point of the knuckle, where it allows controlled movement and helps absorb road vibration and noise.
- Direct replacement: designed to fit and perform like the original equipment on the listed applications.
- Reliable fit: precision-engineered to match the design and dimensions of the original components.
- Weather resistant: made to resist the effects of weather.
- Durable construction: made to strict standards with sturdy, safe materials, then checked through thorough quality control testing.
Signs a knuckle bushing may need replacing include clunking or knocking from the rear over bumps, loose or vague handling, uneven tire wear, or a bushing that is visibly cracked or torn. If a worn knuckle bushing is the cause, this part replaces it. Diagnose the cause before ordering parts.
Interchange: MS86047 · 4230406020 · 4230406100 · 423040E050 · 4230420090 · 4230448010 · 4230448021 · 4230506020 · 4230506100 · 423050E050 · 4230520090 · 4230548010 · 4230548021
This part cross-references / interchanges with the following part numbers:
MS86047, 4230406020, 4230406100, 423040E050, 4230420090, 4230448010, 4230448021, 4230506020, 4230506100, 423050E050, 4230520090, 4230548010, 4230548021
Frequently Asked Questions
What does the Dorman 905-521 knuckle bushing do?
It sits at the rear lower mounting point of the suspension knuckle. There it allows controlled movement and helps absorb road vibration and noise.
Will this knuckle bushing fit my 2001-2013 Toyota Highlander?
The 2001-2013 Toyota Highlander is among the listed applications, along with the 1992-2011 Toyota Camry and the 1995-2012 Toyota Avalon. Check the "Vehicles it fits" section to confirm your exact vehicle.
What are signs a knuckle bushing may need replacing?
Possible signs include clunking or knocking from the rear over bumps, vague handling, uneven tire wear, or a cracked or torn bushing. Diagnose the cause before replacing parts.
Is it designed to match the original part?
Yes. Dorman precision-engineers it to match the design and dimensions of the original components, and it is designed to fit and perform like the original equipment on the listed applications.
How is this knuckle bushing installed?
The steps vary by vehicle. Follow the vehicle service information for the correct procedure, tools and torque values, and have the alignment checked after the suspension work.
