4-Pin 33481-0401 Molex Waterproof 1.5mm Male Connector – Motorcycle & Automotive Signal Harness

Direct-fit replacement for Molex part number 33481-0401, a 4-pin waterproof 1.5mm pitch male connector from the Molex Micro-Fit 3.0 / Mini-Fit waterproof series used in motorcycle, scooter, and automotive signal harness applications. The 33481-0401 is the male plug housing – the mating female socket is 33472-0401 in the same series.

Key Specifications

• Manufacturer Part Number: 33481-0401 (Molex)
• Mating Female: 33472-0401
• Pin Count: 4
• Gender: Male plug (with wire)
• Terminal Pitch: 1.5mm
• Wire Gauge: 18 AWG (0.5 mm²)
• Wire Length: 5.5 inches (140 mm)
• Waterproof Rating: IP68
• Housing Material: PA66 glass-filled nylon
• Terminal Material: Copper alloy, tin-plated
• Current Rating: Up to 7.5A per pin
• Operating Temperature: -40°C to +105°C

Applications

• Motorcycle throttle position sensor (TPS) harness
• Scooter coolant temperature sensor wiring
• ABS wheel speed sensor connectors
• ATV and quad bike sensor circuits
• Automotive BCM and TCM signal harness

Molex 33481 Series – Technical Notes

The Molex 33481 series is a waterproof connector family used across motorcycle OEM and automotive harness applications. Key characteristics:

• Individual rubber wire seals provide IP68 protection per cavity
• Positive latch with audible click confirms full mating engagement
• Compatible with Molex 33472 series female socket housing
• UL 94V-0 rated housing material

FAQ

Q: What is the mating female connector for 33481-0401?
A: The mating female socket is 33472-0401 (4-pin female, same Molex waterproof series).

Q: What crimping tool is needed for Molex 33481 terminals?
A: Use the Molex 63811-0200 hand crimp tool or equivalent ratchet crimper rated for 18 AWG (0.5 mm²).

Package Contents

1 × 4-Pin Male Connector (33481-0401) with 18 AWG wire and terminal insert