4-Pin Waterproof Fuel Pump Connector for VW / Audi A6 S6 C5 Allroad & Beetle – OEM 1J0919231

Direct OEM-specification replacement for the VAG Group 4-way waterproof fuel pump wiring harness socket, cross-referencing part number 1J0919231. The 1J0 prefix identifies this as a Volkswagen Golf Mk4 / Bora platform OEM part number, also used across Audi A6 C5, S6 C5, Allroad quattro, and VW Beetle.

Key Specifications

VAG OEM Fitment: 1J0919231

The 1J0919231 is used across VW Golf Mk4, VW Bora, VW Beetle, Audi A6 C5, Audi S6 C5, and Audi Allroad quattro for fuel pump module harness connections. A common repair item for fuel delivery faults caused by connector corrosion or terminal failure in the underbody fuel tank environment.

Common Vehicle Applications

• VW Golf Mk4 (1J) – fuel pump module harness repair
• VW Bora / Beetle – fuel system wiring connections
• Audi A6 C5 / S6 C5 – fuel pump harness replacement
• Audi Allroad quattro – fuel system harness repair
• Skoda Octavia Mk1 – shared VAG platform, verify OEM part number

Package Contents

1 × 4-Way Waterproof Female Connector Socket (1J0919231) with wire leads, terminal inserts, and wire seals pre-installed.

Frequently Asked Questions

Q: Which VAG vehicles use the 1J0919231 fuel pump connector?
A: The 1J0919231 is used in VW Golf Mk4, Bora, Beetle, Audi A6/S6 C5, and Allroad quattro. Cross-reference your vehicle’s ETK catalogue to confirm fitment for your specific year and engine variant.

Q: What causes fuel pump connector failure on VW Golf Mk4 and Audi A6?
A: Common failure modes include terminal corrosion from fuel vapour and moisture ingress, wire chafing at the connector entry, and terminal push-back from vibration. Inspect wire seals and terminal retention before replacing the connector.

Q: Is the 1J0919231 compatible with Skoda Octavia Mk1?
A: The Skoda Octavia Mk1 shares the Golf Mk4 platform and many connector standards. Verify the OEM part number against your Octavia’s ETK catalogue before ordering.