NGK Y1061AS / 91586 Sheathed Diesel 4.4 V Metal Glow Plug Replaces 55567737

The NGK Y1061AS / 91586 sheathed diesel glow plug delivers reliable ignition for diesel engines, replacing 55567737 with durable metal construction. Designed for 4.4 V operation, this plug features an M10 thread, 137 mm overall length, and a 24 mm fitting depth for precise installation. The hex size is M12, ensuring solid torque during mounting and removal. Suitable for models using OE 55567737, including Chevrolet, General Motors, and Opel vehicles, this glow plug is built to endure high temperatures and demanding operating conditions. Its robust design promotes consistent cold starts, efficient combustion, and reduced post-start haze. Perfect for maintenance enthusiasts and professional technicians seeking trusted performance without compromise. Ensure compatibility with your diesel system to maximize reliability and engine longevity.