Steering Stabilizer for 2014-2020 Kenworth T880 & More - Monroe 66502

$117.99

Vehicles this part fits

    $117.99
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    Part number: 66502
    Monroe Shocks & Struts Steering Damper P/N:66502
    Monroe Shocks & Struts Steering Damper P/N:66502
    $117.99
    $117.99

    Tame steering shudder and keep hardworking axles tracking straight with the Monroe Magnum Steering Damper 66502, a spring-over steering stabilizer built for the tag-axle position on severe-duty, over-the-road trucks. It fits the 2013-2019 Kenworth T680, 2014-2020 Kenworth T880, and 2014-2020 Peterbilt 567 — see the "Vehicles it fits" section to confirm your configuration.

    Monroe designed this Magnum unit specifically for vehicles with self-steering drop axles, where shock damage can lead to poor performance or premature failure.

    • Built to handle the load: thicker nitrocarburized piston rod, large piston bore, large oil chamber, and thicker tube wall for maximum durability.
    • Consistent performance: all-weather fluid with special additives to help resist extreme temperatures and reduce oil breakdown, while a large reserve tube holds more oil to run cooler.
    • Full displaced valving: delivers a wider valving range on both compression and extension cycles, with a large bore for more efficient damping control.
    • Keeps water and debris out: a plastic dirt shield protects the shock, and a multi-lip seal supports smooth performance and long life.

    Nitrogen gas charge helps maintain tire-to-road contact by reducing aeration and shock fade. Backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.

    Frequently Asked Questions

    What does this steering damper do?

    It's a spring-over steering stabilizer designed to dampen steering movement on the tag axle of hardworking trucks with self-steering drop axles, helping reduce steering shudder and shock damage.

    Which vehicles does the 66502 fit?

    It's a direct-fit replacement for the 2013-2019 Kenworth T680, 2014-2020 Kenworth T880, and 2014-2020 Peterbilt 567. Check the "Vehicles it fits" section to confirm your configuration.

    What makes the Magnum built for severe-duty use?

    It uses a thicker nitrocarburized piston rod, large piston bore, large oil chamber, and thicker tube wall for durability, plus a large reserve tube that holds more oil to run cooler.

    How does it protect against contamination?

    A plastic dirt shield protects the shock by reducing debris buildup, and a multi-lip seal supports smooth performance and long service life.

    Is this part covered by a warranty?

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

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