Original Bosch 0332019457 12V 30A 4-Pin Automotive Multi-Purpose Relay

Product Specifications

• Model: 1PCS Genuine Bosch 0332019457 4 Pin Normally Open Medium Load Automotive Mini Relay (Cross TE V23234-K0001-Y027, 12V DC 30A Single NO No Diode No Mount Tab Standard ISO Mini Size)
• Coil Voltage: 12V DC
• Contact Structure: 4 Pin ISO Single Pole Normally Open Mini Relay
• Rated Load: 30A Normally Open Resistive Medium Single Load
• Cross Part Number: V23234-K0001-Y027
• Built-In Protection: No freewheeling surge diode / resistor
• Extra Accessory: Without metal/plastic mounting bracket tab
• Protection Grade: IP54 Anti-Oil, Dust & Splash Water
• Housing Type: Standard compact black flame retardant mini plastic (no mounting ear)
• Vibration Resistance: 10–500Hz passenger vehicle industrial standard
• Terminal Pin Protection: IP20
• Working Temp: -40℃ ~ +100℃
• Warranty: 6 Months Genuine Bosch Factory Warranty

Wide Application Range

1. OEM matching 4pin NO mini relay spare part for European passenger cars and small 12V diesel gensets, single medium-load control for fan, fuel pump, light and auxiliary heater circuits
2. Direct replacement for failed original 0332019457 OEM relay: auxiliary electrical equipment no start, intermittent power loss and overheat malfunction
3. Universal core stock for European car special repair shops and small generator rental companies for daily 12V light vehicle & small genset overhaul
4. Safety control system upgrade retrofit for 12V mini gensets and compact passenger vehicles, upgrade stable 30A single-path medium-load switching protection function for standard 4pin mini relay installation slots

Common Equipment Failures Solved

• Cheap generic 20A 4pin relays have thin contacts, severe melting ablation under 30A medium load, leading to fan stall, fuel pump shutdown and vehicle overheat warning malfunction
• Inferior thin plastic mini housing cracks under long-term vehicle vibration, internal coil breakage causing total loss of control function
• Mismatched 24V relays burn coil instantly after installation, unable to operate normally
• Original Bosch 0332019457 4pin mini relay damaged, direct plug-and-play replacement without harness modification
• Compact 12V car/small genset requires standard 4pin NO relay for single medium loads; 5pin changeover relays cannot match single-circuit wiring layout