3-Pin 1-968408-2 / 22140492050 / 09441311 Waterproof Connector – BMW & Mercedes-Benz Sensor Harness

Direct-fit replacement for TE Connectivity / AMP part number 1-968408-2, cross-referenced as BMW OEM 22140492050 and Mercedes-Benz OEM 09441311, a 3-pin waterproof connector used for sensor harness connections on BMW and Mercedes-Benz vehicles. All three part numbers reference the identical connector – sourced from TE Connectivity and used across both OEM platforms.

Key Specifications

• OEM Part Numbers: 1-968408-2 (TE Connectivity) / 22140492050 (BMW) / 09441311 (Mercedes-Benz)
• Pin Count: 3
• Waterproof Rating: IP68
• Wire Gauge: 18 AWG (0.5 mm²)
• Wire Length: 5.5 inches (140 mm)
• Housing Material: PA66 glass-filled nylon
• Terminal Material: Copper alloy, tin-plated
• Current Rating: Up to 10A per pin
• Package: 1 set (1× male + 1× female with wire)

Three OEM Part Numbers – Same Connector

• 1-968408-2: TE Connectivity / AMP manufacturer part number
• 22140492050: BMW OEM service catalog number (used in BMW ISTA/ETK parts lookup)
• 09441311: Mercedes-Benz OEM service catalog number (used in Mercedes WIS/ASRA parts lookup)

Compatible Applications

• BMW: 3 Series (E46/E90), 5 Series (E39/E60), X5 (E53/E70) – coolant temperature, oil pressure, and MAP sensor harnesses
• Mercedes-Benz: C-Class (W203/W204), E-Class (W211/W212) – engine sensor wiring
• Cross-reference: Verify OEM part number before ordering

Fault Codes Linked to This Connector

• BMW: 2A82 – Coolant Temperature Sensor signal implausible; 2A9B – Oil Pressure Sensor circuit
• Mercedes: P0116–P0118 – ECT sensor circuit; P0520–P0522 – Oil pressure sensor circuit

Frequently Asked Questions

Q: Are 1-968408-2, 22140492050, and 09441311 all the same connector?
A: Yes. All three are the same physical connector – 1-968408-2 is the TE Connectivity manufacturer number; 22140492050 is the BMW OEM service number; 09441311 is the Mercedes-Benz OEM service number.

Q: What diagnostic tool is needed to clear fault codes after connector replacement?
A: For BMW, use ISTA+ or a compatible OBD2 scanner with BMW-specific protocols. For Mercedes-Benz, use XENTRY/DAS or a compatible scanner. Clear codes after repair and perform a drive cycle to confirm the fault is resolved.

Q: What crimping tool is needed?
A: Use a ratchet crimper rated for 18 AWG (0.5 mm²) – Engineer PA-09 or equivalent.

Package Contents

1 × 3-Pin Male Connector (1-968408-2) with 18 AWG wire
1 × 3-Pin Female Connector (1-968408-2) with 18 AWG wire and terminal inserts