4B3.9 6B5.9 6C8.3 B4.5 ISB6.7 QSB6.7 QSL9 3972705 Flywheel

Name: 4B3.9 6B5.9 6C8.3 B4.5 ISB6.7 QSB6.7 QSL9 3972705
SKU: 3972705

Belt Drive Systems, Engine Components, Flywheel

Flywheel replacement for Excavator / Construction Machinery CM2350, B146C, B136C, B157C, F128C, F133C. Send part number, engine model or product photo to confirm compatibility.

SKU: 3972705 Categories: Engine Components, Belt Drive Systems, Flywheel Brand: TOP Excavator Parts

MOQ: Contact us

PRODUCT DATA

Product identification

Product name	4B3.9 6B5.9 6C8.3 B4.5 ISB6.7 QSB6.7 QSL9 3972705
Primary part number	3972705
Alternative/reference numbers	None published; use the primary part number
Product type	Flywheel
Main system	Engine Components
Compatible equipment reference	Use the product name and confirm from machine data
Compatible machine/engine models	Not published; confirm from machine and engine data
Condition	Not publicly specified; confirm in quotation
Minimum order quantity	On request
Lead time	On request
Response	Confirmed after inquiry review
Verification required	Part number, machine model, serial information, quantity and clear photos

For 3972705 Flywheel, compare the complete marking, mounting points, ports or connectors, dimensions and machine serial information. The listed references are identification data, not a guarantee of fit. Supplied references are compared and unresolved conflicts are documented before quotation.

BUYER INFORMATION

Clear details. Confident sourcing.

Every inquiry is reviewed by our parts team before quotation and dispatch.

Compatibility Support

Share the part number, excavator model and serial number for matching support.

Quality Inspection

Parts are checked for condition, specification and order accuracy before dispatch.

Export Packaging

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Order-Specific Shipping

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Description
Additional information

This Flywheel is supplied for Excavator / Construction Machinery CM2350, B146C, B136C, B157C, F128C, F133C. It can be matched by replacement part numbers including 3972705; C3972705; 4B3.9; 6B5.9; 6C8.3; B4.5; ISB6.7; QSB6.7; QSL9 3972705. Please send your part number, engine model, machine model or product photo before ordering so we can confirm fitment, availability and delivery time. Guangzhou Zhenghong Construction Machinery Parts Co., Ltd. supports global dealers, repair shops and construction machinery maintenance buyers with inquiry-based excavator spare parts supply.

Replacement part numbers: 3972705; C3972705; 4B3.9; 6B5.9; 6C8.3; B4.5; ISB6.7; QSB6.7; QSL9 3972705

Applicable models / engines: CM2350, B146C, B136C, B157C, F128C, F133C

Brand application: Excavator / Construction Machinery

Send us your part number, engine model or machine model before ordering so we can confirm fitment and availability.

Applicable Brand	Cummins, Hyundai
Primary Part Number	3972705
Product Type	Flywheel