Standard Ignition KS381 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Subaru Legacy and Outback

The Standard Ignition KS381 Ignition Knock (Detonation) Sensor is designed to provide accurate knock detection for Subaru Legacy and Outback models. This sensor helps optimize engine performance by detecting engine knock and sending signals to the engine control unit.

• O.E.M. replacement part ensuring proper fit and function
• Bolt mount attachment method for secure installation
• Rectangular female connector with one connector and two blade terminals
• Compatible with Subaru Legacy and Outback vehicles
• Terminal configuration: male blade terminals for reliable electrical connection

Product Details and Specifications

The Standard Ignition KS381 knock sensor features a bolt-on mounting type that ensures a secure and stable fit on the engine block. It includes a single rectangular female connector designed to mate with the vehicle’s wiring harness. The sensor has two male blade terminals, providing a reliable electrical interface. This ignition knock sensor is an exact O.E.M. replacement, engineered to meet factory specifications for Subaru Legacy and Outback models. Note that mounting hardware is not included, so existing bolts should be reused or sourced separately.

Common Applications and Problem Resolution

• Detects engine knock or detonation to prevent engine damage
• Helps improve fuel efficiency by optimizing ignition timing
• Prevents engine misfires related to knock sensor failure
• Resolves check engine light codes related to knock sensor faults
• Maintains engine performance and smooth operation in Subaru Legacy and Outback vehicles

Installation Notes and Tips

Installation requires removal of the old knock sensor and securing the new sensor using the bolt-on mounting method. Ensure the sensor is properly aligned and tightened to the manufacturer’s torque specifications. The rectangular female connector should be firmly connected to the vehicle’s wiring harness to avoid electrical issues. Since mounting hardware is not included, retain the original bolts or acquire suitable replacements before installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed O.E.M. standards, providing reliable performance and durability. The KS381 ignition knock sensor is tested for fit, form, and function to ensure compatibility with Subaru Legacy and Outback models. Warranty coverage details should be confirmed with the product documentation or supplier.