The part number **18405-R** is most commonly associated with specialized automotive electrical components, specifically **alternators** or **alternator components** used in heavy-duty or industrial vehicles. Below is a detailed breakdown of the specifications and typical applications for this part. --- ### 🛠️ Technical Specifications Based on industry standards for the 18405-R series (often cross-referenced with Lester or Remy numbering systems): | Feature | Specification | | :--- | :--- | | **Component Type** | Alternator / Charging System | | **Voltage** | 12 Volts | | **Amperage** | 130 - 150 Amps (Typical) | | **Rotation** | CW (Clockwise) | | **Pulley Type** | 6-Groove or 8-Groove (depending on sub-model) | | **Regulator** | Internal (IR) | | **Fan Type** | Internal (IF) | --- ### 🔍 Key Features 1. **Rectifier & Diodes:** The "-R" suffix often indicates a specific **Rectifier** configuration or a **Remanufactured** status depending on the specific manufacturer (such as BBB Industries or Wilson). 2. **High Output:** These parts are designed to handle high electrical loads, making them suitable for vehicles with multiple electronic accessories. 3. **Durability:** Built with heavy-duty bearings to withstand high heat and vibration in engine compartments. --- ### 🚜 Common Applications This part is frequently used in light trucks, vans, and utility vehicles from the late 1990s to the mid-2000s. * **Ford Vehicles:** E-Series Vans (E-150, E-250, E-350) and F-Series Trucks. * **Engine Types:** Often paired with 4.6L, 5.4L, and 6.8L V8/V10 engines. * **Industrial Use:** Small construction machinery or stationary generators using Ford-based power units. --- ### ⚠️ Identification Check If you are looking at a specific electronic board or a different category of component, please check the manufacturer name. If "18405-R" refers to a **resistor** or a **connector**, the specs change significantly: * **Resistors:** Would be measured in Ohms (Ω). * **Connectors:** Would be defined by pin count and pitch.