Load Adjusting Shock Absorber
Hover over the image to zoom in
Load Adjusting Shock Absorber
Share this:

Monroe Load Adjusting Shock Absorber

Part No. 58643 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

Monroe load adjusting shock absorbers adjust rapidly to changing road and weight conditions, delivering enhanced control with uncompromised ride comfort. They offer superior comfort for normal driving and deliver extra control when operating conditions get more demanding. These units also include a heavy gauge calibrated spring for extra control and comfort. A new pair of Monroe load adjusting shock absorbers can assist in maintaining ride height when up to 1,100 lbs* of additional weight is loaded. These units are ideal for light trucks that carry varying loads or tow trailers.

Product Features:
  • All Weather Fluid: Contains special modifiers to reduce friction and ensure smooth rod reaction.
  • Full Displaced Valving: Tuned specifically for each application, this valving automatically adjusts to road extremes to provide consistency and ride
  • Fluon Banded Piston: The fluon band provides consistent sealing between the piston and pressure tube which delivers better control and increased durability.
  • Heavy Gauge Calibrated Coil Spring: Computer designed for maximum performance without an increase in ride harshness.
  • Unique Single Groove Pressure Tube: Precision tapered groove helps provide added control without sacrificing comfort.
  • Nitrogen Gas Charged: For Improved Ride & Handling, Helps Maintain Tire To Road Contact By Reducing Aeration - On Most Applications
  • 5/8 nitrocarburized rod for long service life.
  • Special Seal: 'Self-lubricating' fluid seal designed to retain gas without excessive wear or friction.
Back To Top
Compressed Length:16.590 in
Dust Shield:Yes
Extended Length:27.550 in
Parts Pack(s):None
Spring Rate:60 lb/in
Travel Length:10.960 in

REVIEW SNAPSHOT®

by PowerReviews
MonroeLoad Adjusting Shock Absorber
 
3.4

(based on 9 reviews)

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (3)

67%

of respondents would recommend this to a friend.

Pros

  • High-performance (3)

Cons

No Cons

Best Uses

  • Trucks (6)
    • Reviewer Profile:
    • Truck enthusiast (4), Mechanic (3)
    • Was this a gift?:
    • No (8)

Reviewed by 9 customers

Displaying reviews 1-9

Back to top

(1 of 2 customers found this review helpful)

 
1.0

Leaks/Rusts

By 

from Ohio

About Me Aircraft Mechanic, Quality Engineer

Pros

    Cons

    • Fails
    • Rusts

    Best Uses

      Comments about Monroe Load Adjusting Shock Absorber:

      These shocks are surprisingly the worst shocks I ever purchased. The paint finish appears to be a thin top coat without primer, causing to rust very quickly. The piston rod, which appears to be chrome plated is rusting and has caused the shock to fail, by leaking oil. Everything about this shock is a failure, including the price I paid for them. Unfortunately I can't find my receipt to get something to replace them with through the manufacturers warranty. But, on second thought, why would I want to. A total piece of junk. Monroe,your fired!

      • Was this a gift?:
      • No

      Comment on this reviewHelp Icon

      (1 of 1 customers found this review helpful)

       
      5.0

      Surpassed my expectations

      By 

      from Robertsdale, Alabama

      About Me RVer, Truck Enthusiast

      Verified Buyer

      Pros

      • Easy to install
      • High-Performance

      Cons

        Best Uses

        • Towing Trailers
        • Trucks

        Comments about Monroe Load Adjusting Shock Absorber:

        The Monroe sensatrac shock absorbers were easier
        to install than I had planned on. Being a fulltime rver I made this purchase to add stability while towing our fifth wheel trailer.
        I expected the ride to stiffen and maybe even be harsh when not towing. After installing these shockabsorbers (which took about 30 minutes) the
        truck was much more stable and amazingly the ride was less harsh than before. I would highly recommend this product to any one who hauls loads
        with their truck, tows a trailer, or just wants a
        little more stable ride. My shopping experience
        online and delivery of the product could not have been easier.

        • Was this a gift?:
        • No

        Comment on this reviewHelp Icon

        (1 of 1 customers found this review helpful)

         
        3.0

        Nice Lift

        By 

        from Indiana

        About Me Mechanic

        Verified Buyer

        Pros

        • Easy To Use

        Cons

          Best Uses

          • Trucks

          Comments about Monroe Load Adjusting Shock Absorber:

          Just what I wanted, truck no longer squats under trailer load. Rides good unloaded. Easy to install. Finish was poor. Had to paint shocks before install. Unpainted welds would have rusted and failed prematurely.

          • Was this a gift?:
          • No

          Comment on this reviewHelp Icon

          (1 of 1 customers found this review helpful)

           
          1.0

          poor product

          By 

          from detroit

          About Me Truck Enthusiast

          Pros

          • Easy Install

          Cons

          • Loose spring to seat
          • Noisey
          • Short life 6 months

          Best Uses

            Comments about Monroe Load Adjusting Shock Absorber:

            terribl product, poor design. noisy, rusty, seat on upper mount loses contact and spring unseats itself

            • Was this a gift?:
            • No

            Comment on this reviewHelp Icon

            (1 of 1 customers found this review helpful)

             
            5.0

            My 2nd set, great price, great delivery.

            By 

            from Land O Lakes, FL

            About Me Truck Enthusiast

            Verified Buyer

            Pros

            • Durable
            • High-Performance

            Cons

              Best Uses

              • Trucks

              Comments about Monroe Load Adjusting Shock Absorber:

              These increase the height by 1/2" just what I needed to match the 2.5" steel level kit for the front. This is my second set and I can increase the bed load as well as trailer my UTV without much sag! I can also fit 35" tires all the way around on my F-150.

              • Was this a gift?:
              • No

              Comment on this reviewHelp Icon

              (2 of 2 customers found this review helpful)

               
              1.0

              works well at first

              By 

              from connecticut

              About Me Casual Driver, Mechanic

              Pros

              • Easy Install
              • Improves ride with a load

              Cons

              • Noisy operation
              • Short service life

              Best Uses

              • Trucks

              Comments about Monroe Load Adjusting Shock Absorber:

              installed on my truck 5000 miles ago and for the last 2000 miles they have been very noisy from the spring rubbing on the insulator that is over the shock and now the insulator is gone and the spring is cutting into the shock body making an awful screeching noise. They did work very well at first. I will replace today

              • Was this a gift?:
              • No

              Comment on this reviewHelp Icon

              (0 of 1 customers found this review helpful)

               
              5.0

              great shocks

              By 

              from jonesville,mi

              About Me Auto Enthusiast, Mechanic, Truck Enthusiast

              Verified Buyer

              Pros

              • Durable
              • Easy To Use
              • High-Performance
              • Won't have to replace

              Cons

                Best Uses

                • Trucks

                Comments about Monroe Load Adjusting Shock Absorber:

                the best shock i've seen or ever used in 37 yrs and won't have to replace very durable shocks

                • Was this a gift?:
                • No

                Comment on this reviewHelp Icon

                (0 of 1 customers found this review helpful)

                 
                5.0

                Great Shock!

                By 

                from Kentucky

                Pros

                • Versatile

                Cons

                  Best Uses

                  • Trucks

                  Comments about Monroe Load Adjusting Shock Absorber:

                  Great Value! Great Ride over factory!

                  • Car & Truck:
                  • Auto Enthusiast, Mechanic, Truck Enthusiast
                  • Was this a gift?:
                  • No

                  Comment on this reviewHelp Icon

                  (0 of 1 customers found this review helpful)

                   
                  5.0

                  monroe-sensa trac

                  By 

                  from Deridder, LA

                  See all my reviews

                  Verified Buyer

                  Pros

                  • Comfortable Ride
                  • Easy To Install
                  • Improves Handling

                  Cons

                    Best Uses

                    • Everyday Driving
                    • Replacement

                    Comments about Monroe Load Adjusting Shock Absorber:

                    working great on my 2004 F-150

                    • Car & Truck:
                    • Truck Enthusiast

                    Comment on this reviewHelp Icon

                    Displaying reviews 1-9

                    Back to top

                    Do you have questions about this product?

                     

                    Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

                    2 Questions | 2 Answers
                    Displaying questions 1-2
                    • Q:

                      Do you have to compress this shock with anything special to install, if so what the best thing to use
                      Asked on 6/8/2013 by Jim from Hampton,Virginia

                      1 answer

                      • CUSTOMER CARE

                        A:

                        The Monroe Sensa-Trac Load Adjusting Shock Absorber (Part No. 58643) requires two jacks and basic hand tools for installation. For any further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

                        Answered on 6/9/2013 by Max from AAP
                    • Q:

                      does this come in a pair
                      Asked on 12/27/2011 by Anonymous

                      1 answer

                      • CUSTOMER CARE

                        A:

                        The Sensa-Trac Load Adjustable Rear Shock Absorber from Monroe are sold in pairs. It includes the Twin-tube Shock absorbers for both the rear driver side and rear passenger side.

                        Answered on 12/27/2011 by DIY Daniel from AAP
                    Displaying questions 1-2

                    Do you have a question about this product? 

                    Check out the specials in our monthly flyer.
                     
                     
                    Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.