6-Pin 15355297 / 15418498 Waterproof Throttle Motor Connector for Buick

Direct OEM-specification replacement for the GM / Delphi 6-way waterproof female connector used in Buick throttle motor drive and electronic throttle control (ETC) wiring harness applications, cross-referencing part numbers 15355297 and 15418498.

Key Specifications

GM / Delphi OEM Fitment: 15355297 / 15418498

The 15355297 and 15418498 are GM / Delphi OEM part numbers used across Buick LaCrosse, Enclave, Regal, and Verano model lines for electronic throttle body (ETB) motor drive and throttle position sensor (TPS) harness connections. The sealed 6-pin design ensures reliable performance in the high-temperature, vibration-prone engine bay environment.

Common Applications

• Buick LaCrosse / Enclave – electronic throttle body harness
• Buick Regal / Verano – throttle motor drive connector
• GM Group vehicles – ETC and throttle position sensor wiring
• Chevrolet / Cadillac shared-platform models – verify OEM part number

Package Contents

1 × 6-Way Waterproof Female Connector (15355297 / 15418498) with wire leads and terminal inserts pre-installed.

Frequently Asked Questions

Q: Which Buick models use the 15355297 / 15418498 connector?
A: These GM / Delphi part numbers are used in Buick LaCrosse, Enclave, Regal, and Verano for throttle motor and ETC harness circuits. Cross-reference your vehicle’s GM parts catalogue to confirm fitment for your specific year and engine variant.

Q: Is this connector compatible with Chevrolet and Cadillac vehicles?
A: GM Group vehicles share many connector standards across Buick, Chevrolet, and Cadillac platforms. Verify the OEM part number against your vehicle’s wiring diagram before ordering.

Q: What causes throttle motor connector failure on Buick vehicles?
A: Common failure modes include terminal corrosion from moisture ingress, wire chafing at the connector entry, and terminal push-back from vibration. Inspect the wire seals and terminal retention before replacing the connector.