Smooth out a worn front corner and bring back factory ride height with the Monroe Quick-Strut 172390 Suspension Strut and Coil Spring Assembly. This fully assembled front right unit drops in as a direct-fit replacement for the 2005-2010 Scion tC — see the Buyer's Guide tab for engine-level details. Because the strut, coil spring, and upper mount arrive preassembled, you get a complete repair in a single unit with no spring compressor required.
- Complete, all-in-one repair: Includes everything needed for the strut replacement in one fully assembled unit for a quicker, easier job.
- Restores ride height: An application-specific coil spring is calibrated to the OE design to help restore ride height and support the vehicle's weight.
- Vehicle-specific design: The coil spring, mount, and strut are engineered for ride and handling matched to this vehicle profile.
- Helps maintain control: Reduces body sway, vibration, and road harshness before it reaches the cabin, while the premium upper mount helps preserve smooth steering.
A protective coating resists rust and corrosion and is validated through salt spray testing. Backed by Monroe's Limited Lifetime Warranty and Feel the Difference Guarantee.
Interchange: LS3484351R · 33SC1100
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does the Monroe 172390 fit?
It is a direct-fit front right Quick-Strut assembly for the 2005-2010 Scion tC. Check the Buyer's Guide tab to confirm the fit for your specific vehicle.
Do I need a spring compressor to install it?
No. The strut, coil spring, and upper mount come fully preassembled as a single unit, so no spring compressor is needed for the strut replacement.
What position is this assembly for?
This unit is cataloged as the front right (passenger side) Suspension Strut and Coil Spring Assembly.
What is included in the 172390?
It is an all-in-one unit with a preassembled upper strut mount, application-specific coil spring, and strut, providing the components needed for the strut replacement.
What numbers does this part interchange with?
It cross-references LS3484351R and 33SC1100. Matching an interchange number can help confirm you are ordering the correct part.
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