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2004 Discovery II Engine Wiring Harness With Secondary Air Injection

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2004 Land Rover Discovery II Engine Wiring Harness – With Secondary Air Injection Fits: Discovery II 4.0L V8 – Engine to ECU Wiring Harness

Ensure your 2004 Land Rover Discovery II maintains peak performance and emissions compliance with this genuine OEM engine wiring harness. Specifically designed for models equipped with the Secondary Air Injection (SAI) system, this wiring harness is a crucial component that connects vital engine sensors and components directly to the Engine Control Unit (ECU). It enables accurate engine management and emissions control, keeping your vehicle running smoothly and environmentally friendly.

What Is Secondary Air Injection?

The Secondary Air Injection system is an emissions control technology that injects fresh air into the exhaust manifold during cold engine starts. This process helps burn off unburned hydrocarbons and accelerates the warming of the catalytic converter, reducing harmful emissions and helping your Discovery II meet stringent environmental standards.

Proper operation of the SAI system relies on this wiring harness to transmit signals and power between the engine and ECU, ensuring your vehicle performs efficiently while reducing its environmental impact.

Key Features:

  • Genuine OEM wiring harness engineered for the 2004 Discovery II 4.0L V8 with Secondary Air Injection
  • Connects all necessary engine sensors and components directly to the ECU
  • Supports emissions compliance by enabling proper function of the Secondary Air Injection system
  • Built with durable, heat-resistant materials to withstand harsh engine bay conditions
  • Direct-fit OEM replacement designed for easy, no-modification installation

Why Choose This Wiring Harness?

This high-quality wiring harness helps prevent electrical failures that can cause engine performance issues, emissions problems, and costly repairs. Installing this genuine OEM part ensures reliable communication between your engine components and ECU, preserving your Land Rover’s drivability and compliance with emissions regulations.

Maintain your 2004 Land Rover Discovery II’s reliability, performance, and environmental compliance with this premium wiring harness from Roverland Parts — trusted experts in genuine Land Rover OEM parts.

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