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. MA775 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:15.500 in
Dust Shield:Yes
Extended Length:25.750 in
Parts Pack(s):None
Rod Diameter:1/2
Travel Length:10.250 in


by PowerReviews
MonroeMax-Air Air Shock Absorber

(based on 1 review)

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Reviewed by 1 customer

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(2 of 3 customers found this review helpful)


Max Air Adjustable Shock Absorbers


from Hendersonville , NC

Verified Buyer


  • Adjustable
  • Comfortable Ride
  • Easy To Install
  • Improves Handling
  • Needs Air Pressure ring T
  • Needs Brass T-Valve
  • T-Valve air Pressure info


    Best Uses

    • Everyday Driving
    • Replacement

    Comments about Monroe Max-Air Air Shock Absorber:

    you need to have air pressure info ring for T-Valve and T-Valve needs to be Brass as its harder to prevent accidental damamage . also a Metal cap for T-Valve ... Being Cheap Made Ain't Better

    • Car & Truck:
    • Casual Driver

    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:

      Your question about: Max-Air Air Shock Absorber has been answered.

      On 02/02/2016 you asked the following question at Advance Auto Parts

      "how much higher will these raise my truck?"

      Solomon from AAP said:

      "Hi Jonny! Happy to help you. Please provide us the year, make, model and engine size of your vehicle to check the required information."
      1993 F150 4x4.
      Asked on 2/3/2016 by jonny g from 15010

      1 answer



        Hello JonnyG. Happy to help with your question! These shocks filled at max will lift your truck 7 ¾ inches up.

        Answered on 2/6/2016 by Panda from AAP
    • Q:

      how much higher will these raise my truck?
      Asked on 2/2/2016 by jonny g from 15010

      1 answer



        Hi Jonny! Happy to help you. Please provide us the year, make, model and engine size of your vehicle to check the required information.

        Answered on 2/3/2016 by Solomon from AAP
    • Q:

      What is the maximum air and the least air u can run in the shocks
      Asked on 11/26/2014 by Jimmy from West;ga

      1 answer



        I'm happy to help, Jimmy! These Monroe Max-Air Air Shock Absorbers (Part No. MA775) can be deflated to 20 psi and inflated to 150 psi. This information is located in the Description tab.

        Answered on 12/8/2014 by Heath, ASE Parts Specialist from AAP
    • Q:

      will these handle the towing capacity of the truck?
      Asked on 9/25/2013 by june bug from St.Louis, MO.

      1 answer



        This Monroe Max-Air Air Shock Absorber - part# MA775 is ideal for vehicles that haul heavy loads or tow trailers. In order to check the exact fit, please provide the year, make, model and engine size of the vehicle. For any further assistance, you may also 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 9/25/2013 by Vincent from AAP
    • Q:

      Do these shocks come as a set or is the price of of 77.99 for one shock only.
      Asked on 3/25/2012 by Anonymous

      1 answer



        This part Monroe Max-Air Air Shock Absorber, Part No. MA775 manufactured by Monroe is sold as a pair.
        For compatibility of this part with your vehicle, please provide your vehicle make, model and engine specification.

        Answered on 3/26/2012 by Aaron from AAP
    • Q:

      will putting these on my truck help with the swaying at highway speed when i have my slide in camper on the truck. the truck is body lifted 3inches and sits on 35's any help would be wonderful.
      Asked on 2/16/2010 by bigcountry from thomasville Ga

      1 answer



        One reason for your truck swaying, could be the height of your truck and with the camper on the back, there is a larger surface area for the wind to hit. A set of air shocks may help a little bit with it, but most likely they will not fix the problem.

        Answered on 2/18/2010 by Mike from AAP
    Displaying questions 1-6

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