Applications & Fitment: Designed as the definitive factory original equipment (OE) high-density wiring harness repair interface solution for advanced powertrain management. Most notably specified across prominent automotive brands, commercial transport grids, marine systems, and professional motorsports platforms as a primary engine control unit (ECU) interface block, transmission control module (TCM) plug, and high-density data logging gateway. Highly vulnerable to internal terminal lane distortion or outer locking face alignment fractures if pried apart aggressively during field workshop diagnostics or aftermarket performance re-mapping.
Technical Attributes:
- Manufacturer Part Number: 4-1437290-0 (Brand: TE Connectivity / AMP Genuine Class)
- Factory Manufacturing Alias Index: 3900113-3421
- Auto-Click Core System Identifier: Our Part Number 34-AC003 (Verified Stock Allocation)
- Primary Locking Framework: Features built-in Terminal Position Assurance (TPA) secondary locking mechanisms to prevent contact back-out during mating connection sequences
- Environmental Sealing Level: High-performance waterproof and dustproof protection conforming to JIS D0203 standards; utilizes high-resiliency internal silicone perimeter face seals and integrated rear wire sealing architecture
- Electrical Capacity Performance: Rated for continuous voltage delivery from 12V up to 240 VAC/VDC at a standard continuous 15A current rating limit
- Operational Thermal Window: Certified for stable continuous service across intense vehicle operating zones from -40°C to +125°C
- Target Female Terminal Contacts (Not Included): Fits standard TE Connectivity Superseal 1.0mm female socket terminals (such as 3-1447221-3 for 20 AWG wire or 3-1447221-4 for gold-plated high-reliability runs)
- Mating Counterpart Header: Pairs seamlessly with matching right-angle or straight PCB-mount ECU headers designed around the Superseal 1.0mm 34-way footprint
- Commercial Access: Tiered B2B wholesale trade volume pricing breaks apply instantly inside your basket for independent tuning garages, loom remanufacturers, and trade auto-electrical stockists.