HD Value HDV8829 Air Spring | Volvo VNL Rear Suspension

HD Value HDV8829 Air Spring – Volvo VNL & VNM Rear Suspension

Restore dependable air suspension performance with the HD Value HDV8829 Air Spring, a heavy-duty replacement suspension air bag designed for compatible Volvo VNL, Volvo VNM, and other commercial truck rear air-ride suspension systems.

Built with heavy-duty rubber bellows and corrosion-resistant components, the HDV8829 helps support vehicle loads, maintain proper suspension ride height, and reduce road vibration during demanding commercial trucking operations.

Associated with replacement references including Volvo 20505399, Volvo 20413888, Volvo 8079902, Firestone W01-358-8829, Goodyear 1R12-615, and ContiTech AS8829, this air spring offers an aftermarket replacement option for properly matched suspension assemblies.

Whether you're replacing a leaking air bag on a Volvo VNL, repairing a Volvo rear air-ride suspension, or maintaining a fleet of heavy-duty trucks, the HD Value HDV8829 provides a practical solution when its specifications match the original equipment.

Part Number: HDV8829 | Manufacturer Reference: SP 558829-KP | Volvo VNL & VNM Applications

HD Value HDV8829 Features & Benefits

• Volvo VNL Applications: Replacement option for compatible older-generation Volvo VNL rear air suspension systems.
• Volvo VNM Compatibility: Associated with selected Volvo VNM rear air-ride configurations.
• Heavy-Duty Air Spring Design: Built for repeated suspension movement and changing commercial vehicle loads.
• Firestone W01-358-8829 Reference: Associated with the established 8829 air spring replacement family.
• Volvo OEM Cross References: Common references include 20505399, 20413888, and 8079902.
• Heavy-Duty Rubber Bellows: Designed for commercial truck suspension operating conditions.
• Ride Height Support: Helps maintain proper vehicle suspension height when installed in a functioning air-ride system.
• Road Vibration Isolation: Helps absorb road shock and reduce vibration transmitted to the vehicle chassis.
• Corrosion-Resistant Components: Electroplated components help resist environmental corrosion.
• Ozone and Temperature Resistance: Specially formulated rubber helps resist environmental deterioration.
• Aftermarket Replacement: Designed around compatible original-equipment form, fit, and function requirements.

Volvo VNL Rear Suspension Air Spring Replacement

The HD Value HDV8829 air spring is associated with selected older-generation Volvo VNL trucks equipped with compatible rear air suspension systems.

Air springs are important components of a commercial truck's suspension. They help support the vehicle's load while allowing controlled suspension movement and isolating the chassis from road vibration.

A leaking or damaged air spring can cause the truck to lose ride height, sit unevenly, or require the air supply system to cycle more frequently.

Replacing a damaged air spring with a correctly matched replacement helps restore the intended operation of the rear air suspension.

Important: Not all Volvo VNL trucks use the HDV8829. Newer VNL generations and different rear suspension packages may require other air spring part numbers. Verify the original air spring and vehicle suspension specifications before ordering.

Compatible Volvo Truck Applications

The HDV8829 belongs to an air spring replacement family used on selected Volvo commercial truck suspension systems.

Potential Volvo applications include:

• Volvo VNL 300
• Volvo VNL 430
• Volvo VNL 630
• Volvo VNL 670
• Volvo VNL 730
• Volvo VNL 780
• Volvo VNM 200
• Volvo VNM 430
• Volvo VNM 630
• Selected Volvo VN and VT rear air suspension configurations

Additional Applications: Related 8829-family air springs appear in certain Mack Vision and Mack MaxLite air suspension configurations.

Fitment Note: These are potential model and suspension applications only. Fitment is not guaranteed for every model year, axle configuration, or suspension package. Confirm the OEM part number and mounting specifications before purchasing.

Volvo Rear Air-Ride Suspension Performance

Volvo rear air suspension systems use air springs to support vehicle weight and maintain proper suspension geometry while providing ride comfort.

When installed in a compatible suspension system, the HDV8829 helps support:

• Proper rear suspension ride height
• Commercial truck load support
• Controlled suspension movement
• Reduced chassis vibration
• Improved ride comfort over uneven roads
• Consistent air suspension operation

Overall suspension performance also depends on properly functioning height control valves, shock absorbers, air lines, bushings, and mounting components.

HD Value HDV8829 Air Spring Cross References

The following numbers are associated with the HDV8829 and the 8829-family replacement air spring in commercial vehicle parts catalogs:

• HD Value: HDV8829
• Manufacturer Reference: SP 558829-KP
• Volvo: 20505399
• Volvo: 20413888
• Volvo: 20396293
• Volvo: 20733034
• Volvo: 3934699
• Volvo: 8079902
• Volvo: 8084296
• Volvo: 8097092
• Firestone: W01-358-8829
• Goodyear: 1R12-405
• Goodyear: 1R12-615
• Goodyear: 1R12-595
• ContiTech: AS8829
• ContiTech: 74884
• ContiTech: 91016P449
• Automann: AB1DK23P-8829
• Meritor: FS8829
• Newstar: S-22540
• TRP: AS11543
• Triangle: AS-8449
• World American: WA01-8829C

Cross-Reference Warning: These are catalog identification and interchange references. Air springs may differ in piston material, mounting configuration, air inlet specifications, and operating dimensions. Verify the original OEM part number and suspension assembly before treating a cross reference as a direct replacement.

Heavy-Duty Rubber Bellows & Suspension Durability

The HD Value HDV8829 features heavy-duty rubber bellows designed to withstand repeated suspension compression and extension.

Manufacturer-listed construction features include:

• Heavy-duty rubber bellows
• Specially formulated rubber for ozone and temperature resistance
• Electroplated components for corrosion resistance
• Rubber bellows with a manufacturer-advertised burst pressure exceeding 300 psi
• Construction designed around compatible OEM form, fit, and function requirements

Important: The advertised burst pressure is not the recommended operating pressure. Always follow the suspension manufacturer's specified air pressure, ride height, and load requirements.

Signs of a Failing Volvo VNL Air Spring

Air springs are exposed to repeated suspension movement, changing loads, road contaminants, and environmental conditions.

Common symptoms of a failing air spring include:

• Truck sagging or leaning to one side
• Air leaks around the suspension air bag
• Visible cracks, cuts, or dry rot in the rubber bellows
• Suspension losing ride height while parked
• Air compressor cycling more frequently than normal
• Harsh ride quality or increased chassis vibration
• Damaged or corroded mounting components
• Abnormal suspension movement

Other suspension components may cause similar symptoms. Inspect the complete air suspension system before determining which components require replacement.

HD Value HDV8829 Product Specifications

• Brand: HD Value
• Part Number: HDV8829
• Manufacturer Reference: SP 558829-KP
• Product Type: Heavy-Duty Suspension Air Spring
• Design: Single Convoluted, as listed by the distributor
• Primary Application: Compatible Volvo VNL and VNM Rear Air Suspension Systems
• Advertised Diameter: 12.60 Inches
• Advertised Height Range: 6.09 to 22.01 Inches
• Separately Listed Compressed Height: 5.87 Inches
• Piston Height: 4.65 Inches
• Air Connection: Top, Single
• Firestone Reference: W01-358-8829
• Volvo Reference: 20505399
• Quantity: 1 Air Spring

Air Spring Installation & Fitment Verification

Before installing the HD Value HDV8829, verify the original air spring part number, Volvo rear suspension model, mounting plate dimensions, piston configuration, air inlet location, and required suspension ride height.

Inspect the suspension mounting brackets, air lines, fittings, height control valves, shock absorbers, and related components for damage or wear.

Critical Safety Warning: Air suspension systems contain pressurized components and can move unexpectedly when air pressure is released or restored. Properly support the vehicle, follow the manufacturer's depressurization procedures, and never work beneath a vehicle supported only by its air suspension.

Professional Installation Recommended: Heavy-duty truck suspension components should be installed by qualified technicians following approved manufacturer service procedures.