55-142 - 7 Leaf Spring 2PD/7 spring hanger 5″ – 28 Spline (common

5″ – 28 Spline (common heavy-duty spec – confirm before install) Adjustment Type Manual Adjustment Camshaft Compatibility Standard S-Cam Brake Systems Material Forged / Cast High-Strength Steel Finish Corrosion-Resistant Coating / Plated Grease Fitting Equipped with lubrication zerk fitting Operating Pressure Designed for standard 90–120 PSI air brake systems Application Heavy-duty trucks

Name Part Number Dorman 741-5401 NAPA NHD 153-9021 Paccar WNR021000L Attribute Value Position Left-Hand (Driver Side) Application Truck / Commercial Vehicle Door System Operation Type Manual / Power (Variant Dependent) Material High-Strength Steel & Cable Assembly Mounting Type Direct OEM Replacement Motor Included Optional / Model Specific Corrosion Resistance Yes Fitment Type Plug & Play Product Weight 4

2002 Midland KN2002 Dayton Parts 2002 Tank Velvac 2850 Air Tank Attribute Value Capacity 2850 Cubic Inches Application Heavy-Duty Trucks & Trailers Tank Type Air Reservoir Tank Material High-Strength Steel Construction Welded Steel Body Surface Finish Anti-Corrosion Coated / Painted Mounting Type Bracket Mount Port Configuration Multiple Ports (Standard NPT) Number of Ports 2–4 Ports (Varies by configuration) Pressure Rating High Pressure (Typically 150–200 PSI) Shape Cylindrical Drain Type Manual / Automatic Drain Compatible Temperature Resistance High Temperature Resistant Corrosion Resistance Yes Compliance Meets OEM / DOT Standards Installation Professional Installation Recommended Packaging Industrial Box Packing Weight 24

Name Part Number Eaton DH12108 Gates 12108DH Parker 72108 Continental DSH12108 Kuriyama KDH12108 Attribute Value Product Type Fluid Discharge Hose Hose Construction Reinforced Rubber / Synthetic Hose Fitting Type Male Threaded Connector Connector Material Brass / Steel Hose Type Flexible Discharge Hose Pressure Rating Suitable for medium-pressure discharge systems Temperature Range -40°F to 180°F (Approx

55-142 - 7 Leaf Spring 2PD/7 spring hanger 5″ – 28 Spline (commonName Part Number Dayton Parts 55 142 Automann M55 142 Hendrickson 55 142 Euclid E 55142 Meritor R955142 Attribute Value Leaf Count 7 Leaves Design Type Multi Leaf Spring Material High Grade Spring Steel Finish Painted Anti Corrosion Coated Load Capacity Heavy Duty Application Vehicle Suspension System Compatibility Trucks, Trailers, Commercial Vehicles Mounting Type Standard Eye Hook Type Corrosion Resistance Yes Weight 85 LB (Approx.)