MR668M - Silent Block Crimped leaf spring helper bracket 173692 Attribute Value Product Type

173692 Attribute Value Product Type Pressure Protection Valve Application Air Brake Systems (Truck / Trailer / Bus) Function Pressure isolation and regulation valve Opening (Cut-in) Pressure 70–85 PSI (±5 PSI tolerance) Maximum Operating Pressure Up to 150 PSI Burst Pressure Rating ≥ 300 PSI Port Size 1/4" or 3/8" NPT (configurable) Number of Ports 2 to 4 ports (depending on configuration) Mounting Type Inline / Chassis-mounted Installation Orientation Flexible (upright preferred for optimal performance) Material High-grade aluminum / brass alloy Internal Mechanism Spring-loaded piston with precision valve seat Seal Material Nitrile Rubber (NBR) / Synthetic Elastomer Leakage Rate Near-zero leakage under normal conditions Flow Direction Marked on valve body Temperature Range -40°F to +176°F Corrosion Resistance High (salt spray tested components) Vibration Resistance Designed for heavy-duty road conditions Durability High cycle life (>1 million cycles) Response Time Instant pressure response activation Compatibility OEM & aftermarket air systems Maintenance Requirement Low (periodic inspection recommended) Safety Compliance Meets commercial vehicle air brake standards Weight 0

04-28675-000

A4720961599

Name Part Number WABCO 800445 Knorr-Bremse KB-MV3-800445 Haldex HLDX-800445 Meritor MER-MV3800445 SAF-Holland SAF-800445 BPW BPW-MV3-800445 Attribute Value Type Dual Circuit Dash Valve (MV3 Type) Function Manual Air Pressure Control Material High-grade Aluminum / Composite Surface Finish Anti-corrosion Coated Control Type Push-Pull / Rotary (MV3 Std

Mounting Type (Lower)

MR668M - Silent Block Crimped leaf spring helper bracket 173692 Attribute Value Product TypeName Part Number Meritor MR668M Hendrickson H668M Dayton DY668M Euclid E668M Automann MR668M Attribute Value Product Type Silent Block Crimped Bushing Application Suspension Systems, Chassis Mounting Material Rubber Bonded with Steel Sleeve Design Type Crimped Construction Function Vibration & Noise Reduction Mount Type Press Fit Inner Sleeve Steel Outer Shell Metal Housing Load Capacity Heavy Duty Rated Corrosion Resistance Yes Temperature Resistance