Hendrickson / Meritor / Ridewell Trailer Air Spring – AB1DK28E-8091 (Replaces Firestone 1T19LC-6)

Restore reliable suspension performance with the Automann AB1DK28E-8091 Rolling Lobe Air Spring. Designed for heavy-duty truck and trailer suspension systems, this replacement air spring provides pneumatic cushioning to help absorb road shock, support vehicle loads, and maintain a smoother ride.

Featuring a rolling-lobe bellows design, this air spring is built for demanding commercial vehicle applications. Its composite lower piston and upper and lower mounting configurations provide a practical replacement solution for compatible suspension systems.

Ideal for fleet maintenance, truck repair facilities, and heavy-duty parts replacement, the Automann AB1DK28E-8091 offers a dependable aftermarket option for restoring suspension function.

Key Features:

• Brand: Automann

• Part Number: AB1DK28E-8091

• Product Type: Rolling Lobe Suspension Air Spring

• Application: Heavy-Duty Truck and Trailer Suspension

• Bellows Design: Rolling Lobe

• Lower Piston: Composite

• Upper Mounting: Two studs

• Lower Mounting: One stud

• Includes Bumper: Yes

Product Specifications:

• Design Height: Approximately 10 inches

• Compressed Height: Approximately 5.1 inches

• Maximum Diameter: Approximately 14.1 inches

• Load Capacity at 80 PSI: 8,100 lbs

• Load Capacity at 100 PSI: 10,100 lbs

• Unit of Sale: Each

Cross-Reference Part Numbers:

• ContiTech: 64421, 11 10.5A-16 P523

• Firestone: 8091, W013588091

• Goodyear: 1R14-171, 1R14-093

• Hendrickson: S-20901, S-21784

• Dayton: 452-8091L

• Meritor: MAF8091

Important Fitment Note: Verify mounting dimensions, suspension configuration, and OEM interchange numbers before ordering to ensure proper fitment.