{"product_id":"glow-plug-timer-relay-128300-77920-hc0108-hco108-for-yanmar-4tnv94-engine","title":"Glow Plug Timer Relay 128300-77920 HC0108 HCO108 for Yanmar 4TNV94 Engine","description":"\u003cstrong\u003eThis Glow Plug Timer Relay is a control unit compatible with Yanmar 4TNV94 Engine and matches OEM Part# 128300-77920, HC0108, and HCO108.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis Glow Plug Timer Relay is a critical electrical component designed to manage the preheating cycle of diesel engine glow plugs. The Glow Plug Timer Relay ensures reliable engine starting in cold conditions by precisely controlling the heating duration for the Yanmar 4TNV94 series. This high-quality relay is an essential replacement for maintaining optimal ignition performance and preventing battery drain.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision timing mechanism for accurate glow plug activation\u003c\/li\u003e\n\u003cli\u003eHigh-quality internal components for long-lasting electrical reliability\u003c\/li\u003e\n\u003cli\u003eDirect replacement design ensures a secure fit with factory connectors\u003c\/li\u003e\n\u003cli\u003eDurable housing resists vibration and thermal stress in engine environments\u003c\/li\u003e\n\u003cli\u003eBuilt to strict quality control standards for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYanmar 4TNV94 Engine\u003c\/li\u003e\n\u003cli\u003eYanmar 3TNV88 Engine\u003c\/li\u003e\n\u003cli\u003eYanmar 4TNV98 Engine\u003c\/li\u003e\n\u003cli\u003eKomatsu WB140, WB150, and WB97 series backhoe loaders\u003c\/li\u003e\n\u003cli\u003eVarious industrial excavators and road cutters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCold start assistance for diesel-powered construction equipment\u003c\/li\u003e\n\u003cli\u003eMaintenance of engine ignition and preheating systems\u003c\/li\u003e\n\u003cli\u003eReplacement of faulty or intermittent preheat timers\u003c\/li\u003e\n\u003cli\u003eRestoration of factory starting specifications for industrial machinery\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 128300-77920, HC0108, HCO108\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Model:\u003c\/strong\u003e 4TNV94\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Reinforced Plastic and Metal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the primary function of this timer relay?\u003cstrong\u003e A:\u003c\/strong\u003e It regulates the amount of time power is sent to the glow plugs to ensure they reach the correct temperature for engine ignition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this relay be used on other Yanmar engine models?\u003cstrong\u003e A:\u003c\/strong\u003e While optimized for the 4TNV94, it is also compatible with 3TNV88 and 4TNV98 series engines as specified in the fitment guide.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":52003671572753,"sku":"ZZ1X00248","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/177361965621-0.jpg?v=1756166447","url":"https:\/\/www.duraforce.com\/products\/glow-plug-timer-relay-128300-77920-hc0108-hco108-for-yanmar-4tnv94-engine","provider":"DURAFORCE","version":"1.0","type":"link"}