Automotive Connector Back Cover – 1011-273-0205, Waterproof Housing Rear Seal for Female Socket Cable Plug

Part number 1011-273-0205 is an automotive connector back cover (rear seal / secondary lock) for a specific waterproof female socket connector housing. The 1011-XXX-XXXX part number format is associated with Delphi / Aptiv connector accessories — Delphi (now Aptiv) is a major automotive connector manufacturer supplying GM, Ford, Chrysler, and other OEM vehicle platforms. Back covers are critical components of waterproof connector assemblies, providing IP67 rear sealing and secondary terminal retention.

Key Specifications

• Part Number: 1011-273-0205
• Manufacturer: Delphi / Aptiv
• Component Type: Connector back cover / rear seal / secondary lock
• Material: PA66 nylon, flame retardant
• Function: IP67 rear seal + secondary terminal retention
• Application: Specific Delphi/Aptiv female socket connector housing (verify compatibility)

Delphi/Aptiv Connector Back Covers — Identification

Delphi/Aptiv back covers are specific to individual connector housing part numbers. To verify compatibility:

• Cross-reference 1011-273-0205 in the Aptiv online catalog or Delphi parts database to identify the compatible connector housing
• The Delphi/Aptiv catalog lists the back cover as an accessory to the specific connector housing
• For GM, Ford, and Chrysler vehicles, the OEM parts catalog lists the back cover part number for each connector location
• Back covers are not interchangeable between different Delphi/Aptiv connector housings

Frequently Asked Questions

How do I verify 1011-273-0205 is compatible with my connector?

Cross-reference 1011-273-0205 in the Aptiv catalog or Delphi parts database to identify the compatible connector housing part numbers. Verify the housing part number on the original connector before ordering. If the original back cover is lost, identify the connector housing part number and cross-reference to find the correct back cover.

What Delphi/Aptiv connector series uses 1011-273-0205?

The 1011-XXX-XXXX part number format is associated with Delphi’s Metri-Pack and GT series connector accessories. Metri-Pack connectors are widely used in GM vehicles for engine management, body electronics, and sensor connections. GT (Global Terminal) series connectors are used across multiple OEM platforms. Cross-reference the part number in the Aptiv catalog to identify the specific connector series.

How do I install a Delphi/Aptiv back cover?

After loading all terminals and verifying seating: align the back cover with the housing rear face, matching the orientation key. Press firmly until the locking tabs click. Verify full seating by attempting to pull the back cover off — a properly installed back cover will not release without pressing the release tabs. For Delphi Metri-Pack connectors, the back cover slides onto the housing from the rear and locks with side tabs.

Typical Applications

• GM vehicles: Replacing missing or damaged back covers on Delphi/Aptiv Metri-Pack connectors
• Ford/Chrysler vehicles: Back cover replacement on Delphi/Aptiv GT series connectors
• Automotive workshops: Workshop stock for Delphi/Aptiv connector accessories
• Harness manufacturing: Back covers for new Delphi/Aptiv connector assemblies

Package Contents

1 piece — automotive connector back cover 1011-273-0205 (Delphi/Aptiv). Compatible connector housing not included.