Maserati Ghibli Quattroporte Rear Lower Wishbone Control Arm 670036580

Premium Rear Lower Wishbone for Maserati

Restore the solid, controlled rear-suspension feel of your Maserati with this rear lower wishbone / control arm, reference 670036580. Designed for selected Maserati Ghibli and Quattroporte M156 applications, the arm supports rear wheel location and suspension articulation under real-world driving loads.

Material & Construction

The assembly uses a formed steel arm structure with reinforced mounting sections, integrated pivot points and bonded elastomer bushings. The wide pressed-metal profile distributes suspension load through the mounting points, while the bushing isolates vibration and permits the controlled movement required by the multi-link rear suspension.

What It Does

• Helps maintain rear wheel position through acceleration, braking and cornering.
• Transfers suspension load between the wheel carrier and chassis mounting points.
• Supports stable toe and camber behavior as the suspension moves.
• Replaces a bent arm or worn-bushing assembly that can cause noise, looseness or irregular tire wear.

Fitment Reference

Part Number: 670036580
Common Applications: Maserati Ghibli and Maserati Quattroporte M156.

This reference supersedes 670030905 in Maserati parts catalogues. Match the part number and physical mounting layout before installation.

How to Replace

1. Secure and raise the vehicle at approved lifting points.
2. Remove the rear wheel and support the suspension assembly.
3. Mark the original arm and fastener positions for reference.
4. Release the control-arm mounting bolts and remove the original wishbone.
5. Install the replacement arm in the original orientation and start the hardware by hand.
6. Torque all suspension hardware to the vehicle service specification.
7. Refit the wheel and complete a four-wheel alignment check.

Why Replace the Complete Arm?

Replacing the complete wishbone renews the arm structure and its installed pivot components together. This avoids retaining an aged or distorted arm around a new isolated component and gives the rear suspension a consistent mechanical connection.

FAQ

What is 670036580?
It is a rear wishbone / lower control arm reference for selected Maserati Ghibli and Quattroporte M156 models.

Does it replace 670030905?
Yes. 670036580 is listed as a replacement for the earlier 670030905 reference.

What are common signs of a worn rear wishbone?
Knocking, rear-end looseness, alignment instability and irregular tire wear are common symptoms when the arm or its bushings are worn.

Are the bushings installed?
Yes. The pictured complete assembly includes its integrated pivot/bushing components.

Is wheel alignment recommended?
Yes. Alignment should be checked after replacing rear suspension control arms.