Hella 61-31-1-243-414 Oil Pressure Switch

The Hella 61-31-1-243-414 oil pressure switch is a precision-engineered electrical sensor designed to monitor engine oil pressure and send accurate signals to the dashboard instrumentation. This OE-quality component ensures your oil pressure warning system functions reliably to protect your engine from damage.

Key Specifications:

• Thread Size: M12x1.5 (coarse thread)
• Switch Pressure Range: 0.2 to 0.5 bar
• Voltage: 12V
• Rated Current: 0.25A
• Number of Poles: 1-pin connector
• Spanner Size: 24mm
• Switch Function: Normally Closed Contact
• Tightening Torque: 50 Nm
• Pressure Tolerance: ±10%

Features and Benefits:

• OE-equivalent quality for precise fit and reliable performance
• Compatible with BMW, Mercedes-Benz, and Smart applications
• Ensures accurate oil pressure monitoring for engine protection
• Direct replacement for multiple OEM part numbers
• Manufactured by Hella to strict quality standards

OEM Cross-References:

• BMW: 61 31 1 243 414, 61 31 1 354 272, 61 31 1 354 273, 61 31 1 354 274
• Hella: 6ZL 003 259-121, 003 259-121, 003259121
• Bosch: 0 986 344 040, 0 344 101 040
• Mercedes-Benz: 004 545 24 14, A 004 545 24 14
• Delphi: SW90008

This oil pressure switch is commonly used on classic and modern BMW models including E-series chassis, as well as select Mercedes-Benz and Smart vehicles. The normally closed contact design activates the warning light when oil pressure drops below the safe operating range.