OE Quality
60-Day Returns

Standard Ignition KS127 Ignition Knock (Detonation) Sensor
Overview of Standard Ignition KS127 Knock Sensor
The Standard Ignition KS127 Ignition Knock (Detonation) Sensor is designed for direct attachment to ensure accurate detection of engine knock. This sensor is compatible with select Ford models including the E-150 Econoline, E-150 Econoline Club Wagon, Expedition, F-150, and F-250, providing reliable performance for emission control systems.
- Direct attachment method for secure mounting
- Female round plug-in connector for easy connection
- Two male bullet terminals for stable electrical contact
- Thread size M12 x 1.5 for precise fitment
- Compatible with Ford E-150 Econoline, Expedition, F-150, and F-250 models
Detailed Product Description
The KS127 knock sensor from Standard Ignition is engineered to detect engine detonation by sensing vibrations caused by knocking. It features a direct mounting type that ensures the sensor is firmly attached to the engine block, providing accurate and timely feedback to the engine control unit (ECU). The sensor’s connector is a female, round-shaped plug-in type, designed for straightforward installation and secure electrical connection. It includes two male bullet terminals, which enhance the reliability of the electrical interface. The thread size of M12 x 1.5 allows for precise and secure mounting on compatible Ford engines.
Applications and Problem Solving
- Detects engine knock to prevent potential damage
- Helps maintain optimal engine timing and performance
- Reduces harmful emissions by enabling proper ignition control
- Prevents engine misfires related to detonation
- Supports emission control compliance in Ford E-150 Econoline and F-Series trucks
Installation Notes and Tips
- Ensure the sensor is mounted directly to the engine block using the M12 x 1.5 thread size
- Verify the female round plug-in connector aligns properly with the vehicle’s wiring harness
- Check that the two male bullet terminals are securely connected to avoid signal loss
- Use appropriate torque specifications to avoid sensor damage during installation
- Consult vehicle service manual for specific installation procedures on Ford E-150 Econoline, Expedition, F-150, and F-250 models
Quality Assurance and Warranty
Standard Ignition KS127 sensors are manufactured to meet OEM specifications, ensuring consistent performance and durability. Each sensor undergoes rigorous testing to verify functionality and fitment. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.
| Brand | Standard Ignition |
|---|---|
| Part Number | KS127 |
| Attachment Method | Direct |
| Connector Gender | Female |
| Connector Shape | Round |
| Connector Type | Plug In |
| Mounting Type | Direct |
| Terminal Gender | Male |
| Terminal Type | Bullet |
| Thread Size | M12 x 1.5 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | Ford | E-150 Econoline | 4.6L | V8 | N/A | |
| 1999 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | N/A | |
| 1998 | Ford | E-150 Econoline | 4.6L | V8 | N/A | |
| 1998 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | N/A | |
| 1998 | Ford | Expedition | 4.6L | V8 | N/A | |
| 1998 | Ford | F-150 | 4.6L | V8 | N/A | |
| 1998 | Ford | F-250 | 4.6L | V8 | N/A | |
| 1997 | Ford | E-150 Econoline | 4.6L | V8 | N/A | Screw Type |
| 1997 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | N/A | Screw Type |
| 1997 | Ford | Expedition | 4.6L | V8 | N/A | |
| 1997 | Ford | F-150 | 4.6L | V8 | N/A | |
| 1997 | Ford | F-250 | 4.6L | V8 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.