Alfa Romeo 4-Pin Wire Harness Connector – OEM 94509-5420 / 94509-5520 / 94509-5320 / 94509-5620 | Female

The OEM 94509-5420 / 94509-5520 / 94509-5320 / 94509-5620 are 4-pin female connectors used in Alfa Romeo vehicle harnesses. These four part numbers represent the same connector family in different color or sealing variants, used across sensor, actuator, and body electrical harness applications on Alfa Romeo and FCA Group platforms. Available bare or with 15cm pre-wired leads.

Key Specifications

• OEM Part Numbers: 94509-5420 / 94509-5520 / 94509-5320 / 94509-5620
• Pin count: 4-pin
• Gender: Female
• Available as: Bare connector or 15cm pre-wired leads
• Application: Sensor, actuator, and body electrical harness
• Compatible brands: Alfa Romeo, Fiat, Jeep (FCA Group)

Part Number Variants

• 94509-5420: Standard variant — natural/black housing
• 94509-5520: Alternate color or sealing variant
• 94509-5320: Alternate housing geometry variant
• 94509-5620: Alternate locking tab or wire exit variant

Match the replacement connector to the original OEM part number stamped on your existing connector housing.

Compatible Alfa Romeo Models

• Alfa Romeo Giulia (952, 2015–present): 2.0 Turbo, 2.9 V6 Bi-Turbo Quadrifoglio
• Alfa Romeo Stelvio (949, 2016–present): 2.0 Turbo, 2.9 V6 Bi-Turbo Quadrifoglio
• Alfa Romeo Giulietta (940, 2010–2020): 1.4 TB, 1.75 TBi, 2.0 JTDm
• Alfa Romeo 159 (939, 2005–2011): 1.9 JTDm, 2.2 JTS, 3.2 V6
• Fiat / Jeep FCA Group: Cross-platform connector family used across FCA Group vehicles

Common Applications

• Engine management sensor harness (MAP, MAF, TPS, coolant temperature)
• Body electrical actuator harness (door lock actuator, window motor)
• Chassis sensor harness (wheel speed sensor, suspension height sensor)
• HVAC actuator harness (blend door motor, blower motor control)

Frequently Asked Questions

Q: How do I identify which variant I need?
A: Check the part number stamped on your existing connector housing. The last four digits (5420, 5520, 5320, or 5620) identify the specific variant. If the part number is not visible, compare the housing geometry, locking tab position, and wire exit angle to the available variants.

Q: Are terminals included?
A: Yes, terminals are included with all variants.