Monroe Shocks & Struts Suspension Shock Absorber 66721
Monroe Shocks & Struts Suspension Shock Absorber 66721

Front Shock Absorber for 2021-2024 Hino L6 & More - Monroe 66721

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$65.99
MPN: 66721
Item Package Quantity: 1
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Monroe Shocks & Struts Suspension Shock Absorber P/N:66721
Monroe Shocks & Struts Suspension Shock Absorber P/N:66721
$65.99

Keep your class 3-6 truck riding stable and controlled with the Monroe Magnum Front Suspension Shock Absorber 66721, a gas-charged shock designed for the demands of high-mileage, severe-use commercial vehicles. It installs as a direct-fit front replacement for the 2015-2020 HINO 258, 258LP, 268, 338 and 358, plus the 2021-2024 HINO L6 and L7 — see the Buyer's Guide tab for engine-level fitment.

  • Gas-charged design: Nitrogen gas-charge helps maintain tire-to-road contact by reducing aeration and shock fade for improved ride and handling.
  • 10-stage valving: Tuned to each vehicle, with a larger 1-3/8-in. bore for more efficient damping control and a smooth, consistent ride on most applications.
  • All-weather fluid: Special additives help handle extreme temperatures and reduce oil breakdown, while a 2-in. or 2-1/4-in. reserve tube holds more fluid where required.
  • Built to last: Shouldered and bonded bushing with sleeve guards against bushing walkout, a PTFE-coated bearing reduces rod friction, and a nitrocarburized piston rod adds durability on most applications.

Designed to isolate impact-related noise, vibration and harshness and help reduce excessive vibration when replacing worn-out units. Backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.

Interchange: F347348 · 98031029 · 83391 · 48500E0420

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

F347348, 98031029, 83391, 48500E0420, 66721

Frequently Asked Questions

What vehicles does the Monroe Magnum 66721 fit?

It's a direct-fit front shock for the 2015-2020 HINO 258, 258LP, 268, 338 and 358, plus the 2021-2024 HINO L6 and L7. Check the Buyer's Guide tab for engine-level fitment.

Is this a front or rear shock absorber?

The 66721 is cataloged as a front suspension shock absorber for the listed HINO applications.

What are signs my shock absorber may need replacing?

Excessive vibration, reduced ride stability, and impact-related noise or harshness can be signs a worn shock may need replacing. Diagnose the cause before replacing.

Is the 66721 gas-charged?

Yes. It uses a nitrogen gas-charge that helps maintain tire-to-road contact by reducing aeration and shock fade for improved ride and handling.

What warranty comes with the Monroe Magnum 66721?

It comes with Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.

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