HD Value HDV9780 Air Spring | Freightliner Cascadia – Composite Base

HD Value HDV9780 Air Spring – Freightliner Cascadia, Composite Base

Restore dependable air suspension performance with the HD Value HDV9780 Air Spring with Composite Base, a heavy-duty aftermarket replacement designed for compatible Freightliner Cascadia, Columbia, Century, Coronado, Sterling, and Western Star air suspension applications.

Featuring a durable rubber air bellows and composite (plastic) piston base, the HDV9780 helps maintain proper suspension ride height, support vehicle loads, and absorb road vibration in demanding commercial trucking environments.

Designed for compatible Freightliner AirLiner suspension configurations, this air spring is associated with Freightliner 16-13810-000, Firestone W01-358-9780, Goodyear 1R12-303, and ContiTech AS9780 replacement applications.

Whether you're replacing a leaking suspension air bag on a Freightliner Cascadia, performing preventive fleet maintenance, or repairing a commercial truck's air-ride suspension, the HD Value HDV9780 provides a cost-effective replacement option when its specifications match the original air spring.

Part Number: HDV9780 | Composite Base | Freightliner AirLiner Applications

HD Value HDV9780 Features & Benefits

• Freightliner Cascadia Applications: Designed for compatible Cascadia rear air suspension configurations.
• Composite Piston Base: Features a plastic/composite lower piston designed for the specified suspension configuration.
• Heavy-Duty Rubber Bellows: Designed to withstand repeated suspension movement and load changes.
• AirLiner Suspension Compatibility: Associated with qualifying Freightliner drive axle air-ride suspension systems.
• Improved Ride Comfort: Helps absorb road shock and vibration.
• Ride Height Support: Supports proper suspension operation when used with a functioning air management system.
• Ozone and Temperature Resistance: Specialized rubber formulation helps resist environmental deterioration.
• Corrosion-Resistant Components: Electroplated components help resist corrosion.
• Aftermarket Replacement: Designed around compatible OEM fit and function requirements.
• Commercial Truck Applications: Suitable for qualifying Freightliner, Sterling, and Western Star suspensions.

Freightliner Cascadia Air Suspension Replacement

The HD Value HDV9780 air spring is a replacement option for certain Freightliner Cascadia trucks equipped with compatible rear air-ride suspension systems.

Air springs are essential components of a truck's suspension system, supporting vehicle loads while helping isolate the chassis from road vibration and impact.

When an air spring develops leaks, cracks, or other damage, the suspension may lose ride height, create an uneven stance, or require the air compressor to cycle more frequently.

Replacing a damaged air spring with a properly matched replacement helps restore the vehicle's intended suspension performance.

Important: Not all Freightliner Cascadia trucks use the same air spring. Verify the VIN, suspension model, original part number, and mounting configuration before ordering.

Composite Base Air Spring – Why It Matters

The HDV9780 features a composite (plastic) piston base, an important characteristic when matching an air spring to the original suspension assembly.

Air springs with steel, aluminum, or composite piston bases may differ in geometry, mounting details, and application requirements.

When selecting a replacement, verify that the piston base and mounting configuration match the original equipment requirements.

Do not assume an air spring with a metal piston is interchangeable with a composite-base unit.

Compatible Freightliner & Commercial Truck Applications

The HDV9780 is associated with compatible Freightliner AirLiner and related heavy-duty air suspension configurations.

Potential vehicle applications include:

• Freightliner Cascadia
• Freightliner Columbia
• Freightliner Century Class
• Freightliner Coronado
• Freightliner Classic and Classic XL
• Other compatible Freightliner highway tractors
• Selected Sterling commercial trucks
• Selected Western Star commercial trucks

Fitment Note: These are application families, not guaranteed year-by-year fitments. The correct air spring depends on the exact suspension assembly, original part number, and mounting configuration.

Freightliner AirLiner Suspension Performance

Freightliner AirLiner suspension systems use air springs to help support the vehicle's load while providing suspension movement and ride comfort.

The HD Value HDV9780 helps support:

• Proper rear suspension ride height
• Consistent suspension movement
• Reduced chassis vibration
• Commercial truck load support
• Comfortable operation during highway travel

Proper operation also depends on the condition of the height control valve, shock absorbers, suspension bushings, air supply lines, and associated mounting components.

HD Value HDV9780 Air Spring Cross References

The following part numbers are associated with the HDV9780 air spring family in commercial vehicle parts catalogs:

• HD Value: HDV9780
• Manufacturer Reference: SP 559780-KP
• Freightliner: 16-13810-000
• Freightliner: 16-13810-002
• Freightliner: A16-14004-000
• Firestone: W01-358-9780
• Firestone: W01-377-8537
• Goodyear: 1R12-303
• ContiTech: AS9780
• ContiTech: 67473
• ContiTech: 8382P
• Automann: AB1DF23-9780
• Meritor: MAF9780
• Power Products: 889780
• World American: WA01-9780C
• PACCAR: AS9780P

Cross-Reference Warning: These are catalog identification references. Some related air springs have different piston materials, mounting configurations, or application details. Confirm the original air spring number, suspension model, and physical specifications before treating a cross-reference as a direct replacement.

Signs of a Failing Freightliner Air Spring

A worn or damaged air spring can affect ride height, suspension performance, and vehicle operation.

Common warning signs include:

• Truck sitting low or leaning to one side
• Air leaking from the rubber bellows or mounting connections
• Visible cracks, cuts, or deterioration in the air spring
• Suspension losing air pressure while parked
• Air compressor cycling more frequently than normal
• Excessive vibration or harsh ride quality
• Damaged or deteriorated piston base

Other air suspension components may cause similar symptoms. Inspect the complete suspension system before determining the required repair.

HD Value HDV9780 Product Specifications

• Brand: HD Value
• Part Number: HDV9780
• Manufacturer Reference: SP 559780-KP
• Product Type: Heavy-Duty Suspension Air Spring
• Design: Rolling-Lobe Air Spring
• Lower Base: Composite / Plastic Piston
• Maximum Diameter: 12.60 Inches
• Advertised Overall Height Range: 8.64 to 23.82 Inches
• Piston Height: 6.89 Inches
• Top Plate Diameter: 9.00 Inches
• Air Connection: Top, Single
• Primary Application: Compatible Freightliner AirLiner and Related Suspensions
• Freightliner Reference: 16-13810-000
• Firestone Reference: W01-358-9780
• Quantity: 1 Air Spring

Air Spring Installation & Fitment Verification

Before installing the HD Value HDV9780, verify the original air spring part number, suspension model, top plate dimensions, lower composite piston configuration, air inlet location, and required suspension ride height.

Inspect the mounting brackets, air lines, fittings, height control valve, shock absorbers, and related suspension 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 before servicing the suspension. Never work beneath a vehicle supported only by air suspension pressure.

Professional Installation Recommended: Heavy-duty truck suspension components should be installed by qualified technicians following the vehicle and suspension manufacturer's procedures.