Walker 242-1073 Ignition Knock (Detonation) Sensor

Walker 242-1073 Knock Sensor Overview

Walker Products 242-1073 is an ignition knock sensor for select Porsche and Fiat applications. It uses a rectangular female connector with 2 male blade terminals and a single connector interface for a direct-style engine management repair.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on OEM-level specifications. The Walker Products line covers engine management parts such as cam and crank sensors, throttle position sensors, oxygen sensors, fuel injectors, and related ignition and fuel system components.

Key Features

• Ignition knock (detonation) sensor for engine timing feedback
• Part number 242-1073
• Length: 51.8200
• Rectangular female connector with 1 connector and 2 terminal blades
• Terminal type: blade; terminal gender: male
• Wiring harness included: no
• Mounting hardware included: no

Detailed Description

This Walker knock sensor is built for vehicles that rely on accurate detonation detection to help the engine control system manage spark timing. It is listed for Porsche 718 Boxster, 718 Cayman, 718 Spyder, 911, Cayenne, Macan, Boxster, Cayman, Panamera, and 918 Spyder applications, as well as Fiat 500 models in the covered years. For buyers searching for a Porsche 911 knock sensor replacement or a Walker 242-1073 sensor for Porsche Cayenne and Macan applications, this part provides the specified connector and terminal layout needed for service replacement.

This part cross-references Bosch 0261231173 for the same application.

What It Helps Address

• Knock sensor fault codes
• Audible spark knock or detonation-related drivability concerns
• Reduced engine performance caused by inaccurate knock feedback
• Check engine light conditions tied to the knock sensor circuit
• Intermittent sensor signal issues from a worn original unit

Installation Notes and Tips

Verify connector shape, terminal count, and sensor length before installation. This sensor uses a rectangular female connector with blade terminals and does not include a wiring harness or mounting hardware, so reuse or source any required vehicle-specific components separately. Confirm the exact engine application against the vehicle catalog before service.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with in-house product management and engineering support used to maintain application accuracy and technical documentation.