This ARB service part (MPN: 180222SP) combines the switch cap and base into a single, complete replacement unit. Designed for use with ARB Air Locker systems and Air Compressors, this updated design replaces older incandescent backlit models with modern, efficient LED technology. LED Backlighting: Features a pure white light for significantly improved visibility and legibility during night driving. Energy Efficient: The integrated LED design produces less heat and draws less power than previous incandescent versions. Iconic Graphics: The switch cover features internationally identified 4WD vehicle icons and ARB branding for a clean, professional dash layout. Complete Assembly: Includes both the switch base and the switch cap as a unified component for simplified installation. details.atlus-acc-lvwwl7{margin-top:16px;border:1px solid #e5e6ef;border-radius:12px;overflow:hidden;}details.atlus-acc-lvwwl7>summary{cursor:pointer;list-style:none;padding:12px 16px;font-weight:600;background:#f7f8fc;color:#1a1a2e;display:flex;align-items:center;gap:8px;}details.atlus-acc-lvwwl7>summary::-webkit-details-marker{display:none;}details.atlus-acc-lvwwl7>summary .atlus-acc-arrow{margin-left:auto;flex:none;transition:transform .2s ease;color:#5b5bd6;}details.atlus-acc-lvwwl7[open]>summary .atlus-acc-arrow{transform:rotate(90deg);}details.atlus-acc-lvwwl7>summary:hover{background:#eef0ff;} π Guides & ManualsWarranty β