KYB Suspension Strut and Coil Spring Assembly SR4538
KYB Suspension Strut and Coil Spring Assembly SR4538 - view 2
KYB Suspension Strut and Coil Spring Assembly SR4538 - view 3
KYB Suspension Strut and Coil Spring Assembly SR4538 - view 4
KYB Suspension Strut and Coil Spring Assembly SR4538
KYB Suspension Strut and Coil Spring Assembly SR4538 - view 2
KYB Suspension Strut and Coil Spring Assembly SR4538 - view 3
KYB Suspension Strut and Coil Spring Assembly SR4538 - view 4

KYB Suspension Strut and Coil Spring Assembly P/N:SR4538

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$310.99
MPN: SR4538
UPC: 781552913436
Item Package Quantity: 1
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KYB Suspension Strut and Coil Spring Assembly P/N:SR4538
KYB Suspension Strut and Coil Spring Assembly P/N:SR4538
$310.99

Restore composed, controlled cornering with the KYB Strut-Plus Suspension Strut and Coil Spring Assembly SR4538, a complete front-left corner unit that pairs the strut, mount, and spring in one pre-assembled package. It drops in as a direct-fit replacement for the 2007-2015 Mazda CX-9, and because KYB uses left and right part numbers with side-specific design and components, SR4538 is the front-left unit engineered as the vehicle manufacturer intended.

  • OE-restoring damping: Built around a KYB Excel-G strut with a stronger steel outer shell and KYB's application-specific precision-designed damping valves, engineered to help restore the handling and control of your CX-9.
  • Application-engineered spring: A high carbon steel coil spring matched to the strut, designed to maintain proper ride height and control weight without sacrificing ride quality.
  • Safety-system aware: Engineered to help vehicles equipped with electronic safety systems (ESC, ABS, etc.).
  • Ready to install: Exact-fitment, pre-assembled corner unit; assembled in the USA.

Signs this assembly may need replacing include a harsh or bouncy ride, uneven ride height, or reduced stability. As a factory-style corner unit, SR4538 arrives ready to bolt in for professional results.

Interchange: 172444 · 182921

This part cross-references / interchanges with the following part numbers:

172444, 182921

Frequently Asked Questions

What does this KYB SR4538 assembly include?

It is a complete front-left corner unit that combines the KYB Excel-G strut, the upper mount, and an application-engineered high carbon steel coil spring, pre-assembled and ready to install.

Which vehicles does SR4538 fit?

It is a direct-fit replacement for the front-left position on the 2007-2015 Mazda CX-9. See the Buyer's Guide tab to confirm fitment for your vehicle.

Is this the left or right side?

SR4538 is the front-left unit. KYB uses side-specific left and right part numbers with side-specific design and components, so order the correct side for your corner.

Will this affect my ESC or ABS?

The assembly is engineered to help vehicles equipped with electronic safety systems such as ESC and ABS, supporting the ride and control characteristics those systems rely on.

How do I know when the strut assembly needs replacing?

Common signs include a harsh or bouncy ride, uneven ride height, or reduced stability. Diagnose the cause first; if the strut assembly is the issue, SR4538 replaces it.

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