Walker 270-1000 Oxygen Sensor Connector
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Walker

Walker 270-1000 Oxygen Sensor Connector

Brand Walker 270-1000
Wiring Harness Length 190.5
Wire Gauge Measurement 18.0
Terminal Type Ring
Terminal Quantity 1
Connector Gender Male
Terminal Gender Male
Fits Chevrolet · 1 vehicle

OE replacement. Factory-style connector housing and pre-terminated leads for repair work.

Heat-resistant wiring. 18-gauge copper conductors with insulation for oil and chemical exposure.

Repair-friendly design. Installs with standard crimp or solder methods and no component modifications.

Cross-references Standard Ignition S-554 and 1P1011 for the same application. See all 2.

$87.14Free shipping
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Overview

Walker 270-1000 is an OE replacement oxygen sensor connector built to repair damaged wiring connections in critical engine management circuits. It uses molded OE-style housing and pre-terminated leads to restore a factory-style electrical connection.

Compatible With 2003 Chevrolet Chevy applications, this connector is suited for repairs where corrosion, heat, or wear has damaged the original pigtail. Walker 270-1000 is also a practical choice for drivability diagnostics and wiring repair work.

Key Features

  • OE replacement oxygen sensor connector with factory-style housing
  • Pre-terminated leads for standard crimp or solder repair methods
  • 18-gauge copper wire with insulation for heat, oil, and chemical resistance
  • Male connector and male terminal configuration
  • 190.5 mm wiring harness length for repair routing

Detailed Description

Walker 270-1000 is part of Walker Products Electrical Pigtails, a line of OE replacement connectors for repairing damaged harness ends across sensors, coils, injectors, switches, and related electrical systems. This oxygen sensor connector is built to match factory-style fit and electrical performance, helping restore a stable connection where the original connector has deteriorated.

The 18-gauge copper conductors and OE-spec insulation support current capacity while resisting heat, oil, and chemical exposure. For technicians working on Chevrolet Chevy electrical repairs, this connector provides a direct repair solution for emissions-related wiring and other underhood connection issues. The part number 270-1000 is also referenced in interchange listings as 1P1011 and Standard Ignition S-554.

What It Is Used For

  • Repairing a damaged oxygen sensor connector
  • Restoring continuity in corroded or heat-affected wiring
  • Fixing intermittent electrical faults in sensor circuits
  • Supporting emissions and drivability diagnostics
  • Replacing worn connector ends in engine bay wiring

Installation Notes and Tips

Install using standard crimp or solder repair methods. Verify terminal orientation, connector gender, and wire routing before joining the harness. Match the mating connector carefully to confirm proper fit and electrical contact.

Quality Assurance

Walker Products designs these pigtails as OE replacement components with molded connector housings and materials selected to meet factory-style electrical requirements. Part number 270-1000 is built for dependable connectivity in demanding automotive environments.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2003ChevroletChevy1.6LL4—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — S-5541P1011