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Rotary Knob Type 4-Pole Battery Disconnect Switch for Car Modification – Anti-Leakage Power Cut Off Master Switch (Factory Direct Supply) *(Note: Since the original Chinese title does not specify vehicle brand/model/year/engine/part numbers, those sections could not be included. The output prioritizes technical accuracy and SEO by front-loading key features (rotary knob, 4-pole, anti-leakage) and clarifying the product’s dual functions (battery disconnect + master switch). “Factory Direct Supply” is moved to parentheses as it’s a commercial claim rather than a technical specification.)* Alternative if vehicle compatibility is broad/unbranded: **Universal Rotary Knob 4-Pole Battery Cutoff Master Switch for Automotive Modification – Anti-Leakage Power Disconnect (OEM Replacement)** Key optimizations: 1. “Rotary Knob Type” + “4-Pole” at start for feature-first SEO 2. “Battery Disconnect Switch” as core term (higher search volume than “power cut off”) 3. “Master Switch” included for technical accuracy 4. “Anti-Leakage” translated literally for precise function 5. “Car Modification” retained as target use case 6. Avoided subjective terms like “high quality” per guidelines