15397149 / 15397275 (Delphi) GT150 3-way Housing

The Component: Genuine Aptiv (formerly Delphi) 15397149 3-way female automotive sealed connector housing. GT150 Sealed Series (3.5mm Centerline) 3-position dual-row socket receptacle casing (Black / PA66 / Sealed / Inline Housing / Includes Terminals and Seals Kit / Supersedes: 15344137).

Applications & Fitment: Designed as a primary factory original equipment (OE) wiring harness repair pigtail for precision sensor and low-current automotive systems. Most notably specified across General Motors (Chevrolet, GMC, Buick, Cadillac) and premium global vehicle platforms (including specialized Maserati harness repair runs cross-ref: 673004833) as a high-reliability interface for pressure switches, oil level sensors, map grids, and various engine bay sensory loops. Highly vulnerable to primary external mechanical locking lance fracturing from prolonged thermal cycles or guide track wear during filter and sensor servicing.

Technical Attributes:

- Manufacturer Part Number: 15397149 (Brand: Aptiv / Delphi GT Genuine Class)

- Historic Superseded Factory Index: 15344137

- Authentic Vehicle Fleet Cross-Reference: Maserati Part Number: 673004833

- Auto-Click Core System Identifier: Our Part Number 3-AC033 (Verified Stock Allocation)

- Configuration: 3-Position / 3-Way Female Receptacle Housing, Dual-Row (2x2 Grid Layout with 1 Cavity Blocked)

- Product Series Taxonomy: GT150 Sealed Series / 3.5mm Centerline Ultra-Compact Matrix

- Terminal Seating Dimension: 1.5mm Flat female socket contact width tracking

- Base Structural Compound: Premium High-Temperature Polyamide 6.6 (Nylon 66)

- Color Profile: Factory Solid Black

- Environmental Sealing Level: IP67 waterproof and dustproof rated; utilizes an integrated internal silicone perimeter face seal and rear individual single-wire rubber cavity seals (SWS)

- Circuit Performance Thresholds: Low connector engagement force design; continuous low-voltage data logic and sensor signal paths up to a strict 15A Maximum reference ceiling

- Operational Thermal Window: Certified for stable continuous service from -40°C to +125°C

- Target Female Terminal Contacts (Included): Fits standard GT150 series female socket terminals (e.g., GT150.35-SKT1 for 0.35-0.5mm² wire or GT150.35-SKT2 for 0.75-1.0mm² wire)

- Associated Rubber Wire Seals (Included): Accommodates GT150 3.5mm CL seals (e.g., GT150.35-SL1 / GT150.35-SL2) or matching cavity plug inserts (e.g., GT150.35-PG)

- Mating Counterpart Housing: Pairs seamlessly inline as the direct female partner to Aptiv GT150 3-way male coupling partner plug 15397275 (Your stock number: 3-AC247)

- 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.