Monroe
Max-Air Air Shock Absorber

Monroe MA803 Air Suspension Shock - Rear

Brand Monroe MA803
Position Rear
Compressed Bumper Stop No
Compressed Length 10.5
Dust Shield Yes
Dust Shield Material Metal
Extended Bumper Stop Yes
Extended Hydraulic Lockout No
Extended Length 16.125
Lower Mounting Code LS30
Lower Mounting Type Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 1.7/8" Sleeve OAL
Parts Pack None
Travel Length 5.625
Upper Mounting Code LS23
Upper Mounting Type Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 31.75MM Sleeve OAL
Product line Max-Air Air Shock Absorber
Fits Volkswagen · 10 vehicles

Air-adjustable design. Inflate or deflate up to 150 PSI to maintain level height with added weight.

Built for hauling. Helps support additional load capacity up to 1,200 lbs.

Metal dust shield. Adds protection for the shock absorber in demanding conditions.

Cross-references 49307 for the same application. See all 1.

$166.31Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Air Suspension Shocks are typically replaced in pairs, axle by axle.
Order total $166.31
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Monroe Max-Air Air Shock Absorber MA803

The Monroe Max-Air Air Shock Absorber MA803 is built for rear suspension support on 1968-1977 Volkswagen Beetle models used for towing and hauling. It lets you adjust air pressure up to 150 PSI to help maintain ride height when extra weight is added.

Key Features

  • Air-adjustable shock absorber for rear suspension applications
  • Inflates or deflates up to 150 PSI for load-leveling support
  • Supports additional weight up to 1,200 lbs., subject to vehicle suspension, tires, and transmission limits
  • Compressed length: 10.5 in.; extended length: 16.125 in.; travel length: 5.625 in.
  • Metal dust shield included for added protection
  • Upper mount: LS23 loop bushing and sleeve mount, 12 mm sleeve ID, 31.75 mm sleeve OAL
  • Lower mount: LS30 loop bushing and sleeve mount, 12 mm sleeve ID, 1-7/8 in. sleeve OAL

Product Details

Monroe Max-Air Air Shock Absorber MA803 is part of the Max-Air Air Shock Absorber line, a Monroe suspension solution for vehicles that need adjustable rear support under changing load conditions. On a Volkswagen Beetle, this rear air shock helps maintain level height during towing or hauling while preserving the shock absorber function of the suspension. This part cross-references Monroe Shocks & Struts 49307 for the same application.

Fits 1968-1977 Volkswagen Beetle, rear. Fits 1968-1977 Volkswagen Beetle, rear, for air suspension shock use in towing and hauling applications. Fits 1968-1977 Volkswagen Beetle, rear, when a separate left and right fill system is used with an AK18 or AK64 Air Line Kit.

What It Helps Address

  • Rear-end sag when cargo or towing weight is added
  • Loss of ride height on a loaded Volkswagen Beetle
  • Uneven stance caused by changing rear suspension load
  • Need for adjustable air pressure support in a rear shock
  • Replacement of a worn rear air shock absorber on 1968-1977 Volkswagen Beetle models

Installation Notes and Tips

Verify compressed and extended length, mount style, and sleeve dimensions before installation. This application requires a separate left and right fill system with an AK18 or AK64 Air Line Kit. Follow the vehicle owner’s manual and suspension limits when setting air pressure, and confirm that the rear mounting points match LS23 upper and LS30 lower specifications.

Quality Assurance

Monroe Max-Air air shocks are engineered for adjustable load support and suspension service on specific vehicle applications. MA803 is built to Monroe’s dimensional and mounting specifications for the listed Volkswagen Beetle fitment.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
1977VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1976VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1975VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1974VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1973VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1972VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1971VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1970VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1969VolkswagenBeetleRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
1968VolkswagenBeetleAutomaticRearAir suspension shock for towing and hauling; replacement requires separate left and right fill system with AK18 or AK64 Air Line Kit.; Max-Air Air Shock Absorber
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
49307