ATRO AS1R-9781-A | Rolling Lobe Air Spring

ATRO AS1R-9781-A Rolling Lobe Air Spring

The ATRO AS1R-9781-A Rolling Lobe Air Spring is a heavy-duty air suspension replacement designed to provide reliable suspension support, ride control, and load handling for compatible commercial truck and heavy-duty suspension applications.

This air spring features a rolling lobe design with an aluminum piston. ATRO engineers its air springs with a proprietary vulcanization process, enhanced anti-friction pattern, and reinforced construction to support durability and reliable service in demanding heavy-duty applications. ATRO also includes hardware kits with its air springs where applicable.

The AS1R-9781-A cross-references several major air-spring manufacturers, including Firestone W01-358-9781, Goodyear 1R12-603, and Continental 64266. Always verify the existing air spring's part number, dimensions, mounting configuration, and application before ordering.

Key Features

• ATRO AS1R-9781-A rolling lobe air spring
• Heavy-duty commercial truck suspension application
• Rolling lobe air spring design
• Aluminum piston construction
• Designed for reliable suspension support
• Helps maintain proper ride height
• Helps absorb road shock and suspension movement
• ATRO proprietary vulcanization process
• Enhanced anti-friction pattern
• Designed for demanding heavy-duty service

Specifications

• Brand: ATRO
• Part Number: AS1R-9781-A
• Product Type: Air Spring
• Air Spring Type: Rolling Lobe
• Piston Material: Aluminum
• Application: Heavy-Duty Air Suspension
• Firestone Cross Reference: W01-358-9781
• Goodyear Cross Reference: 1R12-603
• Continental Cross Reference: 64266

Common Applications

The ATRO AS1R-9781-A is a rolling-lobe replacement air spring used across qualifying heavy-duty air suspension systems. Published cross-reference information identifies equivalent applications through Firestone, Goodyear, and Continental part numbers.

Because air springs can vary by suspension system, ride height, mounting configuration, and dimensions, do not select this air spring by vehicle make and model alone. Verify the existing air spring and replacement part number before ordering.

OEM & Cross Reference Part Numbers

The ATRO AS1R-9781-A is cross-referenced with the following air spring part numbers:

• ATRO: AS1R-9781-A
• Firestone: W01-358-9781
• Goodyear: 1R12-603
• Continental: 64266

Additional aftermarket and OEM references associated with the 9781 air spring family include:

• Freightliner: 681-320-0017
• Freightliner: A16-14004-000
• Freightliner: A16-17574-001
• Freightliner: A16-17574-002
• Automann: AB1DF23-9781
• Dayton: 452-9781
• FleetPride: AS9781
• HD Value: HDV9781

Cross-reference numbers are provided for identification purposes. Always confirm that the replacement part matches the original air spring's dimensions and mounting configuration before installation.

Why Replace an Air Spring?

Air springs are critical components of heavy-duty air suspension systems. Over time, rubber bellows can develop cracks, leaks, dry rot, or other damage that can cause loss of air pressure and improper suspension height.

A failing air spring can contribute to uneven ride height, suspension problems, increased compressor cycling, poor ride quality, and additional stress on other suspension components.

Replacing a worn or leaking air spring helps restore proper suspension operation and maintain the vehicle's designed ride height and load support.

Why Choose ATRO AS1R-9781-A?

The ATRO AS1R-9781-A combines a rolling-lobe design with an aluminum piston for a heavy-duty replacement air spring solution. ATRO's current air-spring line emphasizes durable construction, proprietary vulcanization, enhanced anti-friction design, and long-term service support.

ATRO currently offers its air springs with a 3-year U.S./Canada warranty, providing additional coverage for qualifying applications.

Air Spring Fitment Verification

Always verify air spring fitment before ordering. Air springs that appear similar can have different piston dimensions, mounting studs, plate configurations, ride heights, and air fittings.

For the most accurate replacement, compare the existing air spring's part number, extended height, collapsed height, top and bottom mounting configuration, piston material, and air fitting location with the replacement.