Caterpillar 1724585 Glow Plug

The Caterpillar 1724585 glow plug is an 11-volt DC pencil-type heating element designed for preheating combustion chambers in Caterpillar compact diesel engines. It features a M10 x 1.25 metric thread, 81.6 mm overall length, 22.5 mm heater tip protrusion, and 45 mm terminal stud length. This component is critical for reducing cranking time and achieving dependable cold starts in low-temperature environments. Constructed with a high-temperature alloy sheath and regulated resistance coil, the plug meets OEM durability standards for thermal cycling and vibration resistance. It serves as a direct replacement for Caterpillar OEM part numbers 172-4585, B172-4585, and CA1724585, and crosses to Perkins 135318140A, Navistar 1273118C1, and NGK Y-908R. Applications span C1.1, C1.5, C1.7, C2.2, 3003, 3013, 3013C, 3014, 3024, and 3024C engine platforms.