Description
LEVELLING VALVE – 90054007-G
PART NUMBER(S):
Fleet Products: 90054007-G | OE: 90054007, ZZ90054007, BEN90054007X |
DESCRIPTION:
Model: Controlled Response Height Control Valve (CR)
Vehicles: Compatible with air suspension systems on trucks, trailers, cabs, and RVs
• Valve Type: Controlled response ride height leveling valve
• Port Configuration: All ports 1/8" NPT (Exhaust: top, Suspension: middle, Supply: bottom)
• Fittings Provided: 1/4" tube compression (included)
• Actuation: Pneumatic, via dual-length lever arm (4" or 7")
• Delay Response: Short (ignores short-duration axle movement)
• Lever Arm Material: Composite with steel/aluminum components
• Weight: ~2.3 lbs
• Function: Maintains static ride height by adding or exhausting air from air suspension system
• Performance Benefits:
– Reduces air consumption
– Extends compressor life
– Saves fuel
• OEM Grade: Used by manufacturers such as Great Dane, Wabash, and Stoughton
• Compatibility: Direct replacement for Hadley H00500, Haldex K864001, and others
Applications:
Used in truck, trailer, RV, and cab air suspension systems. Automatically maintains constant static ride height, preventing overuse of the air compressor by ignoring dynamic axle movement. This valve is OEM on many commercial vehicle makes and models and serves as a direct-fit replacement for multiple major brands.
CROSS-REFERENCE(S):
90054007, ZZ90054007, 947390054007, WA90054007, CC90054007, 90054007XBXR, BEN90054007X
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ All ports are 1/8" NPT; includes 1/4" tube compression fittings
✔ Install fittings before mounting valve; do not use teflon tape—use sealing compound or threadlocker
✔ Rotate lever arm 3–5 full turns in both directions before installation
✔ Port alignment must follow: Top = Exhaust, Middle = Suspension, Bottom = Supply
✔ Use dual-length lever arm (4"/7")—break off to shorten if needed
✔ Lock nut torque: 24–48 in-lbs (2.7–5.4 Nm)
✔ Do not engage parking brakes during install; use wheel chocks
✔ OEM on multiple trailer brands; includes all mounting hardware
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Warranty Information
