Holset 3530734 Turbocharger H1C Assembly

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Turbo Series	H1C
Service Part Number	3530734, 3530740
Manufacturer	Holset (Cummins Turbo Technologies)
Actuator Type	Pneumatic Wastegate
Chra Reference	CHRA0532
Compressor Wheel	CW-299
Turbine Wheel Material	TW-460
Heat Shield	HS-013
Repair Kit Reference	RK-010
Primary Engine Application	Chaochai CY6B
Lubrication Method	Engine Oil Cooled
Cooling Method	Oil Cooled Only
Net Weight	10.5 kg
Package Dimensions	38 × 26 × 26 cm

Manufacturer No.

3530734
3530740
CHRA0532
CW-299
TW-460
HS-013
RK-010

OEM Part No.

3530734
3530740

Engine Part No.

Chaochai CY6B
Cummins 4BT
Cummins 6BT

Interchange No.

CHRA0532
CW-299
TW-460
HS-013
RK-010

Fitment Vehicles

Sichuan Hyundai Rayi
Light Duty Trucks
Industrial Power Units

This Holset H1C series turbocharger assembly carries service part numbers 3530734 and 3530740. It is designed for the Chaochai CY6B four-cylinder diesel engine platform as equipped on Sichuan Hyundai Rayi light commercial vehicles. The unit features a pneumatically actuated wastegate for boost pressure control.

Core rotating assembly (CHRA) references CHRA0532. Major internal components include compressor wheel CW-299 and turbine wheel TW-460. Heat shield HS-013 and repair kit RK-010 are available for service overhaul. The compressor and turbine housings are configured for the specific exhaust manifold and intake piping geometry of the CY6B engine application. Lubrication is via engine oil feed and drain passages. Unit meets OEM durability and performance specifications for commercial vehicle duty cycles.