Product Overview
The Monroe Gas-Magnum 34927 shock absorber is engineered for midsize and full-size trucks and vans. It provides firm control without a harsh ride, featuring up to twice the fluid capacity of standard 1-inch bore shocks for efficient operation.

Image: The Monroe Gas-Magnum 34927 Suspension Shock Absorber, shown in its yellow finish.
Vehicle Compatibility
This shock absorber is compatible with the following vehicle models:
- 1980-1996 Ford Bronco
- 1988-1997 Ford F-Super Duty
- 1980-1983 Ford F-100
- 1980-1984 Ford F-150
Important Note:
Before purchasing and installing, it is crucial to verify compatibility with your specific vehicle. Research to ensure the part fits your vehicle by entering all vehicle information (year, make, model, engine, and trim) and checking any qualifier notes.
Key Features
The Monroe Gas-Magnum 34927 shock absorber incorporates several design elements for enhanced performance and durability:
- Designed for Trucks and Vans: Engineered for hardworking full-size trucks and vans, featuring full-displaced valving on compression cycles to deliver controlled ride and handling.
- Built to Last: Features a heavy-duty nitrocarburized rod (on non-shield units) and a sintered iron piston to enhance durability. A self-lubricating fluid seal reduces friction against the piston rod, minimizing wear.
- Consistent Ride: Utilizes OE all-weather fluid with special modifiers to manage extreme temperatures, reduce friction, and ensure smooth rod reaction.
- Improved Performance: A nitrogen gas-charge helps maintain tire-to-road contact, improving ride and handling by reducing aeration and shock fade.
- Longer Service Life: A larger bore and a bigger 2-inch reserve tube work together to hold more oil, increasing capacity for efficient operation and extended service life.

Image: Monroe Gas-Magnum shock absorber, highlighting its design for trucks and vans.

Image: Graphic illustrating the firm control provided by Monroe Gas-Magnum shocks without a harsh ride.

Image: Close-up of the shock absorber, emphasizing consistent ride technology.

Image: A truck with Monroe Gas-Magnum shocks, demonstrating their capability to carry heavy loads.
Installation Guide
Replacing shock absorbers requires mechanical knowledge and appropriate tools. If you are not comfortable performing this task, it is recommended to seek professional assistance.
General Installation Steps (Consult a service manual for specific vehicle instructions):
- Safety First: Park the vehicle on a level surface, engage the parking brake, and use wheel chocks. Lift the vehicle using a jack and secure it with jack stands.
- Remove Wheel: Remove the wheel corresponding to the shock absorber being replaced.
- Locate and Loosen Fasteners: Identify the upper and lower mounting points of the old shock absorber. Loosen and remove the nuts and bolts securing the shock.
- Remove Old Shock: Carefully remove the old shock absorber. It may be under pressure, so exercise caution.
- Install New Shock: Position the new Monroe Gas-Magnum shock absorber. Secure the upper and lower mounting points with new hardware if provided, or reuse existing hardware if in good condition. Tighten fasteners to the manufacturer's specified torque.
- Reinstall Wheel: Reinstall the wheel and lower the vehicle.
- Final Check: After installation, check all fasteners for proper tightness and ensure there is no interference with other suspension components.

Image: A vehicle raised on a lift, ready for suspension work, including shock absorber replacement.

Image: A mechanic inspecting the underside of a vehicle, focusing on suspension components.
Operation and Performance
Once installed, the Monroe Gas-Magnum 34927 shock absorber works to control unwanted spring motion, providing a stable and comfortable ride. Its gas-charged design and larger fluid capacity contribute to consistent performance, especially under demanding conditions or when carrying heavy loads.
- Ride Control: Dampens oscillations of the vehicle's springs, preventing excessive bouncing and improving overall stability.
- Handling: Maintains better tire-to-road contact, which is crucial for steering response and braking efficiency.
- Load Carrying: Designed to support the demands of trucks and vans, offering enhanced control when the vehicle is loaded.

Image: A vehicle navigating rough terrain, illustrating the importance of effective suspension for ride and handling.
Maintenance
Shock absorbers are wear-and-tear components and do not typically require routine maintenance beyond periodic inspection. However, regular checks can help identify potential issues early.
Inspection Guidelines:
- Visual Inspection: Periodically inspect the shock absorbers for signs of fluid leaks, dents, or damage to the housing.
- Bushing Condition: Check the rubber bushings at the mounting points for cracks, wear, or deterioration. Worn bushings can lead to noise and reduced effectiveness.
- Mounting Hardware: Ensure all mounting bolts and nuts are secure and properly torqued.
- Performance Check: Pay attention to changes in ride quality, excessive bouncing, or unusual noises from the suspension.

Image: A close-up view of a shock absorber bushing, which should be regularly inspected for wear.
Troubleshooting Common Issues
If you experience issues with your vehicle's ride or handling, the shock absorbers may be a contributing factor. Here are some common symptoms and potential causes:
- Excessive Bouncing or Swaying: Often indicates worn-out shock absorbers that are no longer effectively dampening spring oscillations.
- Nose Dive During Braking: If the front of the vehicle dips excessively when braking, front shocks may be weak.
- Squat During Acceleration: If the rear of the vehicle sags significantly during acceleration, rear shocks may be worn.
- Uneven Tire Wear: Can be a symptom of various suspension issues, including worn shocks, leading to inconsistent tire contact with the road.
- Fluid Leaks: Visible fluid leaking from the shock absorber body is a clear sign of failure and requires replacement.
- Unusual Noises: Clunking or rattling sounds from the suspension can indicate loose or worn shock mounts or internal shock failure.
If you observe any of these symptoms, it is recommended to have your vehicle's suspension system inspected by a qualified technician.
Technical Specifications
| Specification | Detail |
|---|---|
| Brand | Monroe |
| Model Number | 34927 |
| Auto Part Position | Rear |
| Style | Compression |
| Vehicle Service Type | Truck |
| Exterior Finish | Machined |
| Material | Iron |
| Extended Length | 13.5 Inches |
| Item Weight | 2.63 pounds |
| Product Dimensions | 21 x 4.1 x 2.3 inches |
| UPC | 048598469274 |
| ASIN | B000C57KME |
Warranty and Customer Support
The Monroe Gas-Magnum 34927 shock absorber comes with Monroe's Limited Lifetime Warranty. This warranty covers defects in material and workmanship for the life of the product, subject to specific terms and conditions.
Additionally, Monroe offers an exclusive 'Feel the Difference Guarantee', allowing customers to experience the product's performance with confidence.
For detailed warranty information, claims, or technical support, please refer to the official Monroe website or contact their customer service department. You can also visit the Monroe Store on Amazon for more product information and resources.




