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Monroe MA780 Air Shock Absorber - Rear
Reliable Air Shock Absorber for Classic GM Vehicles
The Monroe Max-Air Air Shock Absorber MA780 is engineered to provide consistent suspension performance for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed to meet the specific needs of vehicles like the Nova, Omega, Phoenix, Seville, and Skylark, this air shock absorber ensures smooth ride quality and improved handling.
- Compressed bumper stop for enhanced impact absorption
- Durable rubber dust shield to protect internal components
- Compressed length of 13.375 inches and extended length of 21.5 inches
- Travel length of 8.125 inches for optimal suspension movement
- Upper cross pin mount and lower loop bushing & sleeve mount for secure fitment
Max-Air Air Shock Absorber Product Line Overview
The Max-Air Air Shock Absorber line by Monroe focuses on air suspension components designed to maintain vehicle ride height and improve load handling. This product line integrates features such as compressed bumper stops and protective dust shields to extend shock absorber life and maintain consistent damping performance. The MA780 is a part of this line, tailored for specific GM models requiring precise fitment and reliable air shock operation.
Detailed Product Description
The Monroe Max-Air Air Shock Absorber MA780 features a compressed bumper stop that helps absorb impacts during suspension compression, reducing wear on the shock absorber. It includes a rubber dust shield that protects the internal components from dirt and debris, extending the service life of the shock. The shock has a compressed length of 13.375 inches and an extended length of 21.5 inches, with a travel length of 8.125 inches, providing the necessary range of motion for effective suspension performance. The upper mounting uses a cross pin mount with a closed end and 5/16 inch hole diameter, while the lower mounting employs a loop bushing and sleeve mount with a 7/16 inch sleeve ID and 1.5/8 inch sleeve overall length, ensuring secure and precise installation.
Applications and Problem Solving
- Restores proper ride height and suspension travel on Buick Nova and Pontiac Phoenix models
- Improves handling and stability for Cadillac Seville and Oldsmobile Omega vehicles
- Reduces suspension noise and vibration caused by worn shocks
- Protects suspension components from premature wear due to dirt and debris
- Maintains consistent damping performance under varying load conditions
Installation Notes and Tips
Ensure the vehicle is safely supported before removing the old shock absorber. Verify the upper and lower mounting types match the vehicle’s specifications: upper cross pin mount and lower loop bushing & sleeve mount. Check the compressed and extended lengths to confirm compatibility. Avoid forcing the shock absorber during installation to prevent damage to mounting points or bushings.
Quality Assurance and Warranty
Monroe manufactures the Max-Air Air Shock Absorber MA780 to meet or exceed OEM standards for durability and performance. The inclusion of a rubber dust shield and compressed bumper stop contributes to extended service life. Warranty details should be confirmed with the product documentation or manufacturer, as they may vary by application.
| Brand | Monroe |
| Part Number | MA780 |
| Position | Max-Air Air Shock Absorber, Rear |
| Compressed Bumper Stop | Yes |
| Compressed Length | 13.375 |
| Dust Shield | Yes |
| Dust Shield Material | Rubber |
| Extended Bumper Stop | No |
| Extended Hydraulic Lockout | No |
| Extended Length | 21.5 |
| Lower Mounting Code | Ls16 |
| Lower Mounting Type | Loop bushing & sleeve mount - 7/16" sleeve id x 1.5/8" sleeve oal |
| Parts Pack | None |
| Travel Length | 8.125 |
| Upper Mounting Code | Xp7 |
| Upper Mounting Type | Cross pin mount - closed ended, 5/16" hole id (both ends) x 2.7/8 |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1979 | Buick | Skylark | Rear | Air 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 |
| 1979 | Cadillac | Seville | Rear | Use AK18 Air Line Kit to replace single air shock fill system or AK64 Air Line Kit to add separate left and right air shock fill system; AK16 Adapter Kit required for vehicles with rear air leveling system.; Max-Air Air Shock Absorber |
| 1979 | Chevrolet | Nova | Rear | Air 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 |
| 1979 | Oldsmobile | Omega | Rear | Air 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 |
| 1979 | Pontiac | Phoenix | Rear | Air 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 |
| 1978 | Buick | Skylark | Rear | Air 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 |
| 1978 | Cadillac | Seville | Rear | Use AK18 Air Line Kit to replace single air shock fill system or AK64 Air Line Kit to add separate left and right air shock fill system; AK16 Adapter Kit required for vehicles with rear air leveling system.; Max-Air Air Shock Absorber |
| 1978 | Chevrolet | Nova | Rear | Air 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 |
| 1978 | Oldsmobile | Omega | Rear | Air 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 |
| 1978 | Pontiac | Phoenix | Rear | Air 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 |
| 1977 | Buick | Skylark | Rear | Air 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 |
| 1977 | Cadillac | Seville | Rear | Use AK18 Air Line Kit to replace single air shock fill system or AK64 Air Line Kit to add separate left and right air shock fill system; AK16 Adapter Kit required for vehicles with rear air leveling system.; Max-Air Air Shock Absorber |
| 1977 | Chevrolet | Nova | Rear | Air 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 |
| 1977 | Oldsmobile | Omega | Rear | Air 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 |
| 1977 | Pontiac | Phoenix | Rear | Air 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 |
| 1976 | Buick | Skylark | Rear | Air 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 |
| 1976 | Cadillac | Seville | Rear | Use AK18 Air Line Kit to replace single air shock fill system or AK64 Air Line Kit to add separate left and right air shock fill system; AK16 Adapter Kit required for vehicles with rear air leveling system.; Max-Air Air Shock Absorber |
| 1976 | Chevrolet | Nova | Rear | Air 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 |
| 1976 | Oldsmobile | Omega | Rear | Air 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 |
| 1975 | Buick | Skylark | Rear | Air 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 |
| 1975 | Chevrolet | Nova | Rear | Air 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 |
| 1975 | Oldsmobile | Omega | Rear | Air 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 |
| 1974 | Chevrolet | Nova | Rear | Air 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 |
| 1974 | Oldsmobile | Omega | Rear | Air 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 |
| 1973 | Chevrolet | Nova | Rear | For Towing & Hauling; without Rear Stabilizer Bar; Use AK18 Air Line Kit To Replace Single Air Shock Fill System If Necessary; Use AK64 Air Line Kit To Add Seperate Left and Right Air Shock Fill System If Desired; Max-Air Air Shock Absorber |
| 1973 | Oldsmobile | Omega | Rear | Air 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 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.