Fuel Transfer Pump 3936318 for cumm-ins 6CTA ISB ISC QSB 4B3.9 6B5.9 6C8.3 ISL B5.9 Engine

Keywords: 3936318 fuel transfer pump, cumm-ins hand fuel pump, 6CTA fuel feed pump, 6B5.9 fuel transfer pump, excavator engine spare parts, aftermarket replacement fuel transfer pump

🔹Product Overview

Fuel Transfer Pump Part No.3936318 is mechanical hand‑priming fuel transfer pump, compatible with multiple cumm-ins diesel engine series including 6CTA, ISB, ISC, QSB, 4B3.9, 6B5.9, 6C8.3, ISL and B5.9. It delivers fuel from fuel tank to fuel filter and high‑pressure injection pump, and the hand primer function helps purge air from fuel system during filter replacement or engine maintenance. It is ideal replacement for leaking, low‑output or stuck original pumps, solving hard starting, insufficient power and fuel supply interruption for excavators, heavy‑duty trucks and construction machinery.

🔹Detailed Specifications

🔹Key Features & Advantages

• ✅ Fully OEM‑matched mounting dimension, port thread and installation interface Direct replacement, no modification required for installation.
• ✅ High‑precision internal valve assembly, excellent sealing performance Effectively prevent fuel leakage and air suction, maintain stable fuel delivery pressure.
• ✅ Durable hand‑primer plunger assembly Smooth manual pumping, efficient air‑bleeding after fuel filter service.
• ✅ High‑strength pump housing, oil‑resistant internal seals Adapt complex vibration and temperature changes of heavy‑duty engine working environment.
• ✅ Complete pre‑delivery performance inspection Each pump passes flow and leak test, minimize on‑site failure risk.

🔹Application Scope

Compatible Equipment List: ‑ Fit Engine: cumm-ins 6CTA, ISB, ISC, QSB, 4B3.9, 6B5.9, 6C8.3, ISL, B5.9 diesel engines, widely fitted for excavators, heavy trucks and construction equipment. ‑ Widely used for repair workshops and machinery fleets for fuel system overhaul and routine maintenance.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying fuel transfer pumps, fuel injectors, piston kits, cylinder liners, gaskets, sensors and full engine 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‑collision inner package, protect pump body and connector thread during 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.