Monroe Shocks & Struts Suspension Strut and Coil Spring Assembly P/N:172939

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$144.99
MPN: 172939
Item Package Quantity: 1
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Monroe Shocks & Struts Suspension Strut and Coil Spring Assembly P/N:172939
Monroe Shocks & Struts Suspension Strut and Coil Spring Assembly P/N:172939
$144.99

Get factory-calibrated ride and handling back with the MONROE easy strut answer — the Monroe Quick-Strut Suspension Strut and Coil Spring Assembly 172939. This front left complete strut and coil spring assembly is a direct-fit replacement for the 2014-2017 Mazda 6, combining the strut, application-specific coil spring, and upper mount in one ready-to-bolt-in package.

As an all-in-one MONROE quick strut assembly, it includes everything needed for the repair in a single unit — no spring compressor required — for a quicker, safer, easier install.

  • Restores ride height: the application-specific coil spring is calibrated to meet the OE design and support the vehicle's weight.
  • Vehicle-specific design: coil spring, mount, and strut are engineered for ride and handling matched to this vehicle profile.
  • OE-style quality: the preassembled upper mount, spring, and strut are built for OE-style fit, form, and function, helping reduce body sway, vibration, and road harshness.
  • Rust resistance: a protective coating resists rust and corrosion, validated by salt spray testing.

This MONROE suspension strut and coil spring assembly is backed by Monroe's Limited Lifetime Warranty and Feel the Difference Guarantee.

Interchange: LS3486291L · 34MZ1128

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

LS3486291L, 34MZ1128

Frequently Asked Questions

What is the Monroe 172939 quick strut complete assembly?

It's a fully preassembled front left strut, application-specific coil spring, and upper mount in one unit — an all-in-one repair that installs without a separate spring compressor.

Which vehicle does this MONROE strut assembly fit?

It's a direct-fit replacement for the 2014-2017 Mazda 6 (front left position). See the Buyer's Guide tab to confirm the fit for your specific vehicle.

Do I need a spring compressor to install it?

No. Because the strut, coil spring, and upper mount ship as one fully assembled unit, no spring compressor is required for the swap.

Will this restore my vehicle's ride height?

The coil spring is calibrated to meet the OE design and support the vehicle's weight, so it is engineered to restore factory ride height when a worn strut assembly is the cause.

Is the position front or rear, and which side?

This is a front left suspension strut and coil spring assembly. Struts are best replaced as an axle pair for balanced handling.