{"product_id":"3060754-genuine-cummins®-onan-switch","title":"3060754 | Genuine Cummins® Fuel Pump for KTA, NTA855 \/ N14","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: Fuel Pump\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e: New\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 3060754\u003cbr\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: Cummins\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003e1. Compatible Engine Models\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eThis fuel pump is specifically engineered for legacy, high-displacement heavy commercial diesel engines. It is a direct factory fit for:\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eCummins KTA Series (KTA19, KT19, KTTA19):\u003c\/b\u003e These are massive 19-liter, 6-cylinder inline engines widely recognized for extreme durability in heavy-duty applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eCummins NTA855 \/ N14 Series:\u003c\/b\u003e Selective older mechanical variants of the legendary 14-liter engine platform utilize this physical pump profile for high-output configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003e2. Common Vehicle and Machinery Applications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eBecause it is designed for ultra-heavy-duty or industrial-grade power platforms, this fuel pump fits a wide variety of specialized commercial transport vehicles and industrial machinery:\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eHeavy Duty Mining Dump Trucks:\u003c\/b\u003e Large haul trucks (such as older Komatsu, Terex, or BelAZ models powered by Cummins KTA19 engines).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eHeavy Construction Vehicles:\u003c\/b\u003e Large tracked bulldozers, heavy excavators, and scrapers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eCommercial Marine Vessels:\u003c\/b\u003e Tugboats, commercial fishing vessels, and inland water transport ships utilizing marine-certified Cummins engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eSpecialized Heavy Transport:\u003c\/b\u003e Elite heavy-haul multi-axle transport setups and heavy oilfield service trucks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Fuel Pump\u003cb data-path-to-node=\"0\" data-index-in-node=\"4\"\u003e \u003c\/b\u003eis a heavy-duty, mechanical gear-driven fuel transfer pump (or lift pump) designed for large-displacement commercial and industrial diesel engines.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003e1. What is it?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eUnlike electrical pumps found in modern light vehicles, this is a rugged, heavy-duty mechanical component engineered to bolt directly to the engine's accessory drive or gear housing. It is built to operate continuously in extreme environments—such as marine, mining, and heavy construction sites—ensuring a steady supply of diesel fuel to the high-pressure injection system.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003e2. Core Functions\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eLow-Pressure Fuel Transfer:\u003c\/b\u003e Its primary job is to draw fuel out of the vehicle’s low-slung fuel tanks, pull it through the primary water separators and fuel filters, and push it directly into the fuel injection pump or PT (Pressure-Time) system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eConstant High-Volume Delivery:\u003c\/b\u003e Large engines like the Cummins KTA19 consume massive amounts of fuel under load. This pump utilizes heavy-duty internal gears to deliver a consistent, high-volume flow rate that scales perfectly with engine RPM.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eInternal Pressure Regulation:\u003c\/b\u003e The assembly contains internal pressure relief valves. This ensures that even if the engine is running at high RPM or if the fuel lines face restrictions, the fuel pressure remains within safe, calibrated operating parameters, preventing damage to downstream injectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of Faulty\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003e1. Severe Engine Power Loss and Bogging Under Load\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cspan class=\"\"\u003eThe most common sign of a faulty mechanical lift pump is a lack of power when the vehicle or machine climbs a hill or lifts a heavy load.\u003c\/span\u003e\u003cspan class=\"\"\u003e If the pump's internal gears wear down or the pressure relief valve weakens,\u003c\/span\u003e\u003cspan class=\"\"\u003e it cannot deliver the massive volume of fuel required at high RPM.\u003c\/span\u003e\u003cspan class=\"\"\u003e The engine will feel sluggish,\u003c\/span\u003e\u003cspan class=\"\"\u003e \"bog down,\u003c\/span\u003e\u003cspan class=\"\"\u003e\" or fail to reach its peak horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003e2. Hard Starting or Complete Refusal to Start\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cspan class=\"\"\u003eA healthy mechanical pump holds prime and quickly pulls fuel from the chassis tanks during cranking.\u003c\/span\u003e\u003cspan class=\"\"\u003e If the internal check valves are damaged or internal seals are leaking,\u003c\/span\u003e\u003cspan class=\"\"\u003e fuel will drain back into the tanks when the engine is turned off.\u003c\/span\u003e\u003cspan class=\"\"\u003e This results in extended cranking times (hard starting) or an engine that refuses to fire up at all due to air pockets in the fuel system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003e3. Engine Misfiring, Rough Idling, or Stalling\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cspan class=\"\"\u003eWhen a fuel pump delivers erratic or low pressure,\u003c\/span\u003e\u003cspan class=\"\"\u003e the fuel injection system cannot meter fuel precisely to the cylinders.\u003c\/span\u003e\u003cspan class=\"\"\u003e This causes the engine to idle violently,\u003c\/span\u003e\u003cspan class=\"\"\u003e shake,\u003c\/span\u003e\u003cspan class=\"\"\u003e or misfire.\u003c\/span\u003e\u003cspan class=\"\"\u003e In severe cases,\u003c\/span\u003e\u003cspan class=\"\"\u003e when you drop the throttle back to an idle,\u003c\/span\u003e\u003cspan class=\"\"\u003e the fuel pressure may plunge too low,\u003c\/span\u003e\u003cspan class=\"\"\u003e causing the engine to stall completely.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003e4. Fuel Leaking from the Pump Housing or Shaft Seal\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cspan class=\"\"\u003eOver thousands of operating hours,\u003c\/span\u003e\u003cspan class=\"\"\u003e the mechanical shaft seals that isolate the fuel from the engine's gear train can wear out.\u003c\/span\u003e\u003cspan class=\"\"\u003e You may notice diesel fuel dripping externally from the pump housing onto the ground,\u003c\/span\u003e\u003cspan class=\"\"\u003e or worse,\u003c\/span\u003e\u003cspan class=\"\"\u003e leaking internally into the engine's accessory drive,\u003c\/span\u003e\u003cspan class=\"\"\u003e which can dangerously dilute the engine oil with diesel fuel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer information\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCummins®\u003c\/strong\u003e is a worldwide leader in the production of engines, agricultural components, and other power-generating devices for various industries, including medium and heavy duty trucks, light commercial vehicles, buses, agriculture, and construction. Founded in 1919, this company stays true to its mission of making people's lives better by continuously improving its product line-up and introducing new solutions for a more prosperous world. Its core values—integrity, diversity and inclusion, excellence, caring, and teamwork—are what make it a successful company today—a worldwide leader with a network of more than 600 company-owned and independent distributors and almost 6,000 dealers in approximately 190 countries.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003eFirst Truck Parts offers a \u003cstrong\u003e365-days\u003c\/strong\u003e \u003cstrong\u003ewarranty\u003c\/strong\u003e for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.\u003c\/p\u003e","brand":"Cummins®","offers":[{"title":"Default Title","offer_id":48852851949812,"sku":"3060754","price":2749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/files\/photo_2026-07-13_17-57-53.jpg?v=1783958602","url":"https:\/\/firsttruckparts.com\/products\/3060754-genuine-cummins%c2%ae-onan-switch","provider":"First Truck Parts","version":"1.0","type":"link"}