Molex 33481-0401 MX150 4-Way Male Sealed Connector Housing

The Component: Genuine Molex OEM 4-position male blade connector housing / MX150 Sealed Series 1.50mm waterproof automotive inline connector plug / Single-row 4-way shrouded housing with clip-slot mounting feature, integrated mat seal, and Option A keying / Molded from high-performance Polybutylene Terephthalate (PBT) resin / Component Part Number: 33481-0401 / Alternate Identifiers: Molex 33481-0401 / 334810401 / MX150 4-Way Male Plug / 1.50mm 4-Pin Male Blade Housing / MX150 Key A Black / Molex 334810401 4-Pos Shrouded Plug.

Applications & Fitment: High-durability waterproof male blade connector housing engineered for automotive engine compartment, chassis, powertrain, and commercial vehicle wiring looms across global OEM platforms (including Ford, GM, and global tier-1 harness manufacturers). Features Molex's field-proven pre-assembled mat seal technology, eliminating the need for individual cable seals during termination and lowering assembly labor. Designed specifically to accept four 1.50mm MX150 male blade terminals (e.g., Molex 33000 series male blades) across 14 to 22 AWG wire gauges. Ideal for engine management sensors, lighting assemblies, actuator controls, emissions systems, and under-hood power distribution sub-assemblies. Mates directly with the corresponding MX150 4-way female receptacle housing (Molex 33471-0401 / Key Code A). Built to surpass USCAR-2 Class 3 thermal and mechanical vibration requirements (-40 to 125 degrees Celsius). Essential stock for auto-electricians, commercial vehicle fleets, motorsport harness builders, and trade distributors.

Technical Attributes:

- OEM Part Number: 33481-0401 / 334810401 (Manufacturer: Molex / MX150 Sealed Connector System)

- Product Component Classification: 1.50mm Blade Terminal Male Connector Housing with Mounting Clip-Slot

- Connector Family Series: Molex MX150 Sealed Connector System

- Application Profile: Wire-to-Wire & Wire-to-Device Sealed Power & Signal Connections

- Connection Type: Wire-to-Wire Male Blade Housing Plug (Shrouded)

- Total Position Count: 4-Way / 4-Pin Male Plug (1 Row x 4 Poles)

- Pitch Centerline Spacing: 3.50 mm (.138 in)

- Terminal System Compatibility: Accepts Molex MX150 1.50mm male blade crimp terminals (e.g., 33000-0001, 33000-0002, 33000-0003)

- Wire Sealing System: Pre-Assembled Silicone Mat Seal & Ring Seal (No individual wire seals required)

- Keying Alignment: Option A (Keying Code A)

- Directly Mating Counterparts: Molex 33471-0401 (MX150 4-Way Female Receptacle Housing / Black / Key A)

- Environmental Sealing Capability: Fully Sealed / IP67 & USCAR-2 Class 3 Waterproof Protection

- Structural Material Base: High-Performance Polybutylene Terephthalate (PBT) Plastic

- Color Profile: Black Body Housing

- Operating Temperature Limit: -40 to 125 degrees Celsius

- Commercial Procurement Status: Provided as an individual unpopulated 4-way male blade housing assembly with pre-installed mat seal. Male blade crimp terminals and mating female receptacle housings sold separately as individual piece parts or as part of a complete repair kit depending on stock configuration. Multi-tier trade volume discounts apply automatically at checkout.