Walker
Walker Products

Walker 242-1006 Ignition Knock (Detonation) Sensor

Brand Walker 242-1006
Connector Gender Male
Connector Quantity 1
Connector Shape Round
Mounting Hardware Included No
Terminal Gender Female
Terminal Quantity 2
Terminal Type Bullet
Wiring Harness Included Yes
Wiring Harness Length 29.2000
Product line Walker Products
Fits Ford and Mercury · 16 vehicles

OE-standard quality. Built to meet or exceed OEM specifications.

Round connector. Single-connector design with bullet terminals for a secure connection.

Wiring harness included. Ready for a cleaner, more complete installation.

Cross-references Standard Ignition KS56, Suplex 29061 and 5S2194 for the same application. See all 9.

$39.51Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $39.51
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 242-1006 Ignition Knock Sensor

Walker Products 242-1006 is an ignition knock sensor built for Ford and Mercury applications that need accurate detonation detection and stable engine management input. It is a direct-fit style replacement for select 1998-2004 Ford Escort, Ford Focus, Ford Mustang, and Mercury Tracer models.

Key Features

  • Ignition knock (detonation) sensor for engine timing feedback
  • Wiring harness included for a cleaner service replacement
  • Round connector with 1 connector, 2 terminals
  • Bullet terminal type with male connector and female terminals
  • Wiring harness length: 29.2000
  • Walker Products part number 242-1006
  • Cross-reference: Standard Ignition KS56

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Products line includes engine management parts such as sensors, injectors, and ignition-related components, backed by ISO 9001/IATF16949 certified quality systems. For buyers searching for a Ford Focus knock sensor, Ford Mustang knock sensor, or Mercury Tracer knock sensor, 242-1006 provides a fitment-specific replacement option for the listed vehicles.

Compatible With 2000-2004 Ford Focus, N/A; 2001 Ford Mustang, N/A; 2003-2004 Ford Mustang, N/A; 1999 Ford Mustang, N/A; 1998-2002 Ford Escort, N/A; and 1998-1999 Mercury Tracer, N/A. This part number is also searched as Walker 242-1006 for ignition knock sensor replacement on these applications.

What It Helps Address

  • Knock sensor fault codes related to detonation signal loss
  • Rough running caused by incorrect ignition timing input
  • Engine pinging or spark knock under load
  • Check engine light concerns tied to knock sensor circuit issues
  • Intermittent drivability problems from a worn sensor or damaged connector

Installation Notes

Verify connector shape, terminal style, and harness routing before installation. Compare the original sensor location and electrical connection to the vehicle listing, especially on Ford Escort, Ford Focus, Ford Mustang, and Mercury Tracer applications. Inspect the mating connector and wiring for corrosion or heat damage before connecting the new sensor. Use the vehicle service information for torque and placement details.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation, and operates under ISO 9001/IATF16949 certification.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004FordFocus2.0LL4N/AWalker Products
2004FordMustang4.6LV8N/AWalker Products
2003FordFocus2.0LL4N/AWalker Products
2003FordMustang4.6LV8N/AWalker Products
2002FordEscort2.0LL4N/AWalker Products
2002FordFocus2.0LL4N/AWalker Products
2001FordEscort2.0LL4N/AWalker Products
2001FordFocus2.0LL4N/AWalker Products
2001FordMustang4.6LV8N/AWalker Products
2000FordEscort2.0LL4N/AWalker Products
2000FordFocus2.0LL4N/AWalker Products
1999FordEscort2.0LL4N/AWalker Products
1999FordMustang4.6LV8N/AWalker Products
1999MercuryTracer2.0LL4N/AWalker Products
1998FordEscort2.0LL4N/AWalker Products
1998MercuryTracer2.0LL4N/AWalker Products
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — KS56Suplex — 290615S2194104-011-L7144-210F8CZ 12A699-AAID0135S8701SU2140