Max-Air Air Shock Absorber
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Max-Air Air Shock Absorber
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Monroe Max-Air Air Shock Absorber

Part No. MA785 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

The Max-AirĀ® shock absorber is ideal for vehicles that haul heavy loads or tow trailers. Designed to maintain level vehicle height, they can be inflated or deflated as needed...from 20 psi to 150 psi with the vehicle loaded. Capacity is limited by vehicle suspension, tires and transmission. See vehicle owner's manual for details.

Product Features:
  • 1/2 inch Piston Rod: Hardened and precision ground rod for consistent performance and long service life.
  • All Weather Fluid: Contains special modifiers to reduce friction and ensure smooth rod reaction.
  • Full Displaced Valving: Better valving range on both the compression and extension cycles of the unit for a smooth comfortable ride.
  • Large Volume Air Chamber: Inflates up to 150 psi with vehicle loaded. Deflates for normal driving.
  • Lubricated Air Sleeve: Reduces friction for longer service life. Provides smoother operation during suspension movement.
  • Sintered Iron Piston: Stronger than traditional metals, enhances durability for longer service life.
  • Special Air Fitting: Resists air leakage.
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Compressed Length:9.500 in
Dust Shield:Yes
Extended Length:14.000 in
Parts Pack(s):(2) P437
Rod Diameter:1/2
Travel Length:4.500 in


by PowerReviews
MonroeMax-Air Air Shock Absorber

(based on 1 review)

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Reviewed by 1 customer

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Air Shocks With kit Good Package


from Pineville, La

See all my reviews

Verified Buyer
Helpful Reviewer


  • Easy To Use


    Best Uses

    • Small Cars

    Comments about Monroe Max-Air Air Shock Absorber:

    !00% happy with product

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

    Comment on this reviewHelp Icon

    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.

    6 Questions | 6 Answers
    Displaying questions 1-6
    • Q:

      can you add or change the fluid in a monroe ma785 air shock? how many ounces do they hold and is the fluid a 5wt or 10wt.
      Asked on 4/9/2015 by dave from st paul mn

      1 answer



        Happy to help you with your question Dave! These shocks (Part No MA785) are air shocks and are not filled with fluid.

        Answered on 4/11/2015 by Panda from AAP
    • Q:

      Does this come as a pair of shocks or just as a single shock? Also can it stay adjusted for a firm ride?
      Asked on 10/1/2014 by Sam from Mississippi

      1 answer



        Hi Sam, I'm glad to assist you! This is sold as a pair. This is for smooth air ride system and it not be adjusted.

        Answered on 10/2/2014 by Solomon
    • Q:

      Hi. I have a 1997 Chevy Astro with a 3" drop - the minimum dimensions for the shock is 13.38" and max 20.87". I need to adjust the height of the vehicle on occassions when carrying heavy loads to prevent bottoming out. Are these shocks suitable as I see they are for a Corvette? Thanks
      Asked on 5/19/2014 by Bellini

      1 answer

    • Q:

      How do u compress to get the 9.5 inch length
      Asked on 3/14/2013 by Anonymous

      1 answer



        For further assistance regarding Monroe Max-Air Air Shock Absorber, Part No. MA785, please provide the year, make, model and engine size of your vehicle. This information would help us to assist you in a better way.
        For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

        Answered on 3/15/2013 by Aaron from AAP
    • Q:

      can i also put these on the front of my vette,looking to raise it up a bit.or do you have another shock that will equal the highth
      Asked on 5/8/2012 by Padgett from Adams Wisconsin

      1 answer



        No, I am sorry. This Monroe Max-Air Air Shock Absorber (Part No. MA785) is for Rear only. You can check the Monroe Sensa-Trac Passenger Car Shock Absorber (Part No. 5906) which would be the ideal part for the Front of your application.

        Answered on 5/11/2012 by John the Car-Doc from AAP
    • Q:

      What vehicles do they fit and what are the open and closed dimensions
      Asked on 8/5/2010 by spoons from Dayton, ohio

      1 answer



        CHEVROLET CORVETTE (1963 - 1982)
        Extended Length: 14.00"
        Compressed Length: 9.5"

        Answered on 8/5/2010 by Mike from AAP
    Displaying questions 1-6

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