Holset 4038471 Turbocharger Assembly HX35W

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Holset 4038471 Turbocharger Assembly HX35W

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Turbo Model	Holset HX35W
Actuation Type	Internal Wastegate (Pneumatic)
Compressor Wheel Material	Forged Milled Aluminum Alloy
Turbine Wheel Material	Inconel 713C
Turbine Housing Material	High-Nickel Ductile Iron (Ni-Resist)
Bearing System	Floating Journal Bearing with 360° Thrust Bearing
Balancing Standard	ISO 1940 G2.5
Inlet Flange Type	4-Bolt T4 Pattern
Outlet Flange Type	4-Bolt V-Band / 5-Bolt Pattern
Oil Inlet Thread	M14 x 1.5 / 1/2-20 UNF
Oil Outlet Diameter	19 mm (3/4 in) Hose Barb
Coolant Ports	None (Oil Cooled Only)
Net Weight	12.5 kg
Package Dimensions	40 × 30 × 30 cm

Manufacturer No.

3595157
4038475
3539697
3594118
3522900
4038471
4955156
4089136
3598036
4025328
6735-81-8401

OEM Part No.

6735-81-8401
6735-81-8301
6754-81-8190
6738-21-5610
3595157
4038475

Engine Part No.

Cummins 6BTA5.9-C169
Komatsu SAA6D102E-2
Cummins 6BTAA
Cummins 6BT
Komatsu 6D107
Cummins QSB5.9
Komatsu S6D102

Interchange No.

5359714NX
4089746
4044890
4038597
4038598
4038211
4089345
4038480
3520030
3528743

Fitment Vehicles

Komatsu PC220-6
Komatsu PC220-7
Komatsu PC220-8
Komatsu PC270-7
Komatsu PC270-8
Komatsu PC200-6
Komatsu PC200-7
Hyundai HL757-7
Hyundai HL757TM-7

The Holset HX35W turbocharger assembly (part number 4038471) is designed for the Cummins 6BTA5.9-C169 and Komatsu SAA6D102E-2 diesel engines. It features an internal wastegate actuator for precise boost control across the operating range. The compressor housing utilizes high-strength aluminum alloy for corrosion resistance and dimensional stability under thermal cycling. The turbine housing is constructed from high-nickel ductile iron to withstand exhaust gas temperatures exceeding 900°C. Rotating assembly incorporates a forged milled compressor wheel and Inconel turbine wheel mounted on a floating journal bearing system with 360-degree thrust bearing. Unit is balanced to ISO 1940 G2.5 standards.

Direct interchange for Komatsu OEM numbers 6735-81-8401, 6735-81-8301, 6754-81-8190, and 6738-21-5610. Compatible with Komatsu PC220-6, PC220-7, PC220-8, PC270-7, and PC270-8 hydraulic excavators. Verified cross-reference includes Holset 3595157, 4038475, 3598036, 4089136, 4955156, and 4025328. Supplied as complete cartridge assembly with actuator, gaskets, and mounting hardware kit.