NGK 1229 Diesel Glow Plug

Reliable NGK Glow Plug for Ford, Mazda, and Mercury Diesel Engines

The NGK Glow Plug 1229 is engineered to provide consistent ignition performance for diesel engines in select Ford, Mazda, and Mercury vehicles. Designed with precision metal components and a tapered seat, this glow plug ensures efficient starting and reliable operation in cold conditions.

• Material Type: Durable metal construction
• Terminal Thread Size: M4 threaded terminal for secure connection
• System Voltage: 12 volts compatible
• Operating Voltage: 10.50 volts
• Length: 3.39 inches for proper fitment
• Terminal Type: Threaded terminal
• Hex Size: 12 mm for installation with standard tools
• Seat Type: Tapered seat for optimal sealing
• Thread Diameter: 0.391 inches
• Part Number: Y-107r (Stock Number 1229)

About the NGK Glow Plug Product Line

The NGK Glow Plug line is known for its focus on durability and precise fitment in diesel ignition systems. This product line emphasizes reliable heating elements and robust construction to support cold start performance and reduce engine emissions. The NGK Glow Plug 1229 is part of this line, designed to meet the specific requirements of diesel engines in Ford, Mazda, and Mercury models.

Detailed Product Description

This NGK diesel glow plug features a metal-type construction that withstands high temperatures and repeated heating cycles. The M4 threaded terminal and 12 mm hex size allow for straightforward installation and secure electrical connection. Its tapered seat design ensures a tight seal within the combustion chamber, preventing gas leaks and maintaining engine efficiency. With a length of 3.39 inches and a thread diameter of 0.391 inches, this glow plug fits select models such as the Ford Escort, Mazda 626, and Mercury Topaz, among others.

Common Applications and Issues Addressed

• Improves cold engine starting in diesel-powered Ford, Mazda, and Mercury vehicles
• Reduces white smoke emissions during engine warm-up
• Prevents misfires caused by insufficient glow plug heating
• Maintains consistent combustion chamber temperature for smoother idle
• Replaces worn or damaged glow plugs to restore engine performance

Installation Notes and Tips

• Ensure engine is cool before removing old glow plugs to avoid damage
• Use a 12 mm socket wrench for proper torque application
• Check the tapered seat for debris and clean before installation
• Verify electrical connections are secure on the M4 threaded terminal
• Follow vehicle manufacturer torque specifications to prevent over-tightening

Quality Assurance and Warranty

The NGK Glow Plug 1229 is manufactured to meet OEM standards for durability and performance. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. This glow plug is tested for voltage compatibility (12V system, 10.50V operating voltage) and designed to provide reliable service life in compatible Ford, Mazda, and Mercury diesel engines.