Monroe Shocks & Struts Suspension Shock Absorber 66445
Monroe Shocks & Struts Suspension Shock Absorber 66445

Monroe Shocks & Struts Suspension Shock Absorber P/N:66445

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$57.99
MPN: 66445
Item Package Quantity: 1
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Monroe Shocks & Struts Suspension Shock Absorber P/N:66445
Monroe Shocks & Struts Suspension Shock Absorber P/N:66445
$57.99

Keep every hardworking commercial mile under control with the Monroe Magnum Front Suspension Shock Absorber 66445. This gas-charged Magnum shock is built for class 3-6 trucks and buses and drops in as a direct-fit replacement for the 2019-2025 Chevrolet Silverado 4500 HD, 5500 HD and 6500 HD, the 2019-2025 International CV515, the 2010-2018 International TerraStar, the 2014-2024 Nexus Ghost and the 2014-2018 Nexus Phantom. See the Buyer's Guide tab for engine-level details and the full application list.

  • Nitrogen gas-charge: helps maintain tire-to-road contact for improved ride and handling by reducing aeration and shock fade.
  • 10-stage valving: tuned specifically to each vehicle, with a larger 1-3/8-in. bore for more efficient damping control on most applications.
  • All-weather fluid: special additives assist with extreme temperatures and help reduce oil breakdown, while a 2-in. or 2-1/4-in. reserve tube holds more fluid when required.
  • Strong and durable: shouldered and bonded bushing with sleeve helps protect against bushing walkout, with arc welds up to 360°.

A robust hydraulic lock-out helps prevent over-extension, and the PTFE-coated bearing with nitrocarburized piston rod reduces friction for longer service life on most applications. Designed to handle high-mileage, severe-use duty; if worn shocks are causing excessive vibration, these help restore controlled damping. Backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.

Interchange: HD12140642 · 83135 · 14QK2121 · M83135 · 3885832C1 · 3885832C2 · 3902993C1 · 3902993C2 · 3902993C3 · 3989717C1 · 3991991C1 · 925048

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

HD12140642, 83135, 14QK2121, M83135, 66445, 3885832C1, 3885832C2, 3902993C1, 3902993C2, 3902993C3, 3989717C1, 3991991C1, 925048

Frequently Asked Questions

What vehicles does the Monroe Magnum 66445 fit?

It fits the 2019-2025 Chevrolet Silverado 4500 HD, 5500 HD and 6500 HD, 2019-2025 International CV515, 2010-2018 International TerraStar, 2014-2024 Nexus Ghost and 2014-2018 Nexus Phantom. See the Buyer's Guide tab.

Is this a front or rear shock absorber?

The 66445 is cataloged as a front suspension shock absorber for the listed class 3-6 applications.

What does the gas charge do?

The nitrogen gas-charge helps maintain tire-to-road contact and reduces aeration and shock fade, which supports improved ride and handling under most driving conditions.

Is this shock built for commercial use?

Yes. The Magnum is designed to handle the demands of high-mileage and severe-use class 3-6 trucks and buses.

Should I replace shocks in pairs?

Shocks are sold individually. Replacing the units on the same axle together as a matched set is recommended for balanced, even ride control.

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