Multiquip M1311501003 Inter-Cooler Hose Upper/Lower DENYO - OEM Replacement Part

This inter-cooler hose assembly connects the turbocharger to the charge air cooler on turbocharged, charge air-cooled diesel engines used in Multiquip's WhisperWatt super silent generator line. The charge air cooling system reduces intake air temperature after turbocharging, increasing air density for improved combustion efficiency and power output while meeting EPA Tier 4 Final emissions standards. Failed or deteriorated inter-cooler hoses cause loss of boost pressure, reduced engine performance, increased fuel consumption, and potential overheating.

This upper/lower hose set is engineered for the Isuzu 4LE2X engine platform—a 4-cylinder, 2.179-liter turbocharged diesel with EGR and DOC exhaust after-treatment. The engine produces 59.0 HP at 1,800 rpm and operates with a charge air cooling system that maintains optimal intake temperatures under continuous-duty operation. Regular inspection of inter-cooler hoses is critical during scheduled maintenance intervals, particularly checking for cracks, bulging, oil contamination, or loose clamps that indicate imminent failure.

Compatible generator models:

• DCA36SPXU4F (36 kW Prime / 40 kW Standby)
• DCA45SSIU4F
• DCA45SSIU4FC8

Genuine Multiquip OEM part, sold by an authorized dealer.