Governor Speed Controller 3037359 For NT855 NH855 K19 K38 K50 Diesel Engine

Keywords: 3037359 governor speed controller, engine speed control unit, NT855 K19 speed governor module, diesel engine electronic governor, generator engine spare parts, aftermarket speed controller

Product Overview

Governor Speed Controller Part No.3037359 is electronic engine speed control module, compatible with NT855, NH855, K19, K38, K50 series diesel engines, widely applied for generator sets, heavy‑duty machinery and industrial power equipment. It precisely detects engine real‑time rotating speed, automatically adjusts fuel supply to stabilize idle speed and rated running speed, prevents speed surging, hunting and overspeed risk under load changing condition. This replacement controller solves typical malfunctions: engine unstable idle, speed fluctuation, cannot maintain rated rpm, overspeed protection failure caused by original control board aging and component damage. Produced according to OEM electrical parameter standard for direct plug‑and‑play installation.

Detailed Specifications

Key Features & Advantages

• ✅ Fully consistent OEM electrical parameters and terminal definition, direct replacement without extra modification.
• ✅ High‑precision speed sensing response, effectively suppress speed hunting and rpm fluctuation with variable load.
• ✅ Built‑in speed adjustable potentiometer, convenient for on‑site idle and rated speed calibration.
• ✅ Anti‑interference circuit design, stable performance under harsh industrial working environment.
• ✅ Every controller passes signal simulation test and aging inspection before factory delivery.
• ✅ Essential electronic maintenance spare part for generator overhaul and heavy‑duty engine repair workshop.

Application Scope

Fit Equipment: Generator sets and heavy‑duty industrial machinery powered by NT855, NH855, K19, K38, K50 diesel engine ‑ Widely used for generator repair shops, power station fleet maintenance and engine overhaul projects.

Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying hydraulic parts, engine parts, electrical parts, seal kits and complete overhaul kits. ‑ Large ready stock for various machinery spare parts ‑ Factory‑direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

Packaging & Shipping

Anti‑static packaging protection, avoid static damage for electronic components in transit ‑ Export‑grade outer carton for safe sea and land transportation ‑ Multiple shipping options: sea freight, air freight, international express for small trial orders ‑ Export documents such as Commercial Invoice, Packing List can be provided.

Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.