Description
3B12300 Air Spring is a heavy-duty suspension airbag commonly used in trucks, trailers, and buses.
Triple Convoluted Air Spring Replaces for Firestone 8033 W01-358-8033 for Hendrickson S-14487 C-14487 for Goodyear 3B12-312 1 Pack TR8033 Air Suspension Spring
Key Details
Part Number: 3B12300
Type: Triple convoluted (3-lobe) air spring
Application: Heavy truck/trailer suspension systems
Cross References (common):
Firestone: W01-358-12300
Goodyear: 3B12-300
ContiTech: FD 330-30
Common Brands That Sell 3B12300
Firestone → W01-358-12300 (most recognized/OEM standard)
Goodyear → 3B12-300
ContiTech → FD 330-30
Automann → aftermarket equivalent
Triangle / AirTech / Dayton / HD Plus → aftermarket options
Typical Specifications
(may vary slightly by manufacturer)
Design: 3-convolution (three-lobed)
Top Plate: Steel, stud-mounted
Bottom Plate: Piston-style base or stud configuration
Compressed height: ~5–6 inches
Extended height: ~15–16 inches
Max diameter: ~11–12 inches
TFGCSG Triple Convoluted Air Spring Replaces for Firestone 8033 W01-358-8033 for Hendrickson S-14487 C-14487 for Goodyear 3B12-312 1 Pack TR8033 Air…
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