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

Part No. MA803 Warranty Details  
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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:10.500 in
Dust Shield:Yes
Extended Length:16.125 in
Parts Pack(s):None
Rod Diameter:1/2
Travel Length:5.625 in

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.

3 Questions | 3 Answers
Displaying questions 1-3
  • Q:

    Can u ship to South Africa and what would the price be for the parts?
    Asked on 5/21/2016 by CJ from Johannesburg

    1 answer



      Hi CJ, glad to assist you! We ship to any United States, US Territory (including Puerto Rico), or APO/FPO address. We currently do not ship to international addresses.

      Answered on 5/23/2016 by Steve from AAP
  • Q:

    will these provide any lift dependent on pressure?
    Asked on 7/11/2015 by richard from United States

    1 answer



      Hi Richard, it's actually a good question! Yes, it depends on vehicle's loaded pressure. This Monroe Max-Air Air Shock Absorber - Part No. MA803 can be inflated or deflated as needed from 20 PSI to 150 PSI with the vehicle loaded.

      Answered on 7/12/2015 by Solomon
  • Q:

    These do come in pairs?
    Asked on 9/20/2013 by luv-bug from Canada

    1 answer



      The Monroe Max-Air Air Shock Absorber (Part No. MA803) is sold as a pair. 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 9/21/2013 by Steve from AAP
Displaying questions 1-3

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