GPD 1811778 Ignition Knock Sensor

The GPD 1811778 is a professional-quality ignition knock sensor designed as a direct-fit replacement for various Nissan, Infiniti, and Suzuki vehicles. This critical engine management component mounts to the engine block, cylinder head, or intake manifold where it continuously monitors for abnormal engine vibrations caused by pre-ignition or detonation (engine knock).

Key Features:

• Designed to meet or exceed OE fit, form, and function
• 100% tested for durability and performance
• Direct-fit replacement requiring no modifications
• Professional-grade quality construction
• 12-month manufacturer warranty

Cross-Reference Part Numbers:

• Nissan OEM: 18640-50Z00, 22060-7S000, 22060-AU010, S119337001
• Standard Motor Products: KS214
• Wells: SU6861
• Santech/Omega: KS0050

When the knock sensor detects unusual vibrations from engine knock, it sends a signal to the engine control module (ECM), which adjusts ignition timing to prevent engine damage. A failing knock sensor can cause poor fuel economy, reduced engine performance, and potential long-term engine damage. Global Parts Distributors (GPD) has been a trusted supplier of premium automotive parts since 1974, providing professional-quality components at competitive prices.