25AS Flexible Hydraulic Pump Coupling for Caterpillar

Name: 25AS Flexible Hydraulic Pump Coupling for Caterpillar E304/E305, Hitachi EX55, Hyundai R60
SKU: 25AS

Hydraulic & Pneumatic Parts, Pressure Regulator

25AS flexible rubber hydraulic pump coupling for Caterpillar E304/E305, Hitachi EX55/EX60, Hyundai R55/R60 series, Sumitomo SH60/SH75 and compatible compact excavators. Verify dimensions and bolt pattern before ordering.

SKU: 25AS Categories: Hydraulic & Pneumatic Parts, Pressure Regulator Brand: TOP Excavator Parts

MOQ: Contact us

PRODUCT DATA

Product identification

Product name	25AS Flexible Hydraulic Pump Coupling for Caterpillar E304/E305, Hitachi EX55, Hyundai R60
Primary part number	25AS
Alternative/reference numbers	None published; use the primary part number
Product type	Pressure Regulator
Main system	Hydraulic & Pneumatic Parts
Compatible equipment reference	Caterpillar, Hitachi, Hyundai
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 25AS Pressure Regulator, 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

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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

Protective packing is selected for the part type and international transport route.

Order-Specific Shipping

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Description
Additional information

25AS flexible hydraulic pump coupling for compact excavators including Caterpillar E304/E305, Hitachi EX55/EX60, Hyundai R55/R60 series and Sumitomo SH60/SH75.

This replacement rubber coupling connects the engine drive or flywheel to the hydraulic pump and helps transmit power while absorbing vibration. Reference size / part number: 25AS.

Common Applications

Caterpillar excavators: E304, E305
Hitachi excavators: EX55, EX60, UH25-7
Hyundai excavators: R55, R60, R60-5, R60-7
Sumitomo excavators: SH60, SH75
Doosan DH60, Kobelco SK03 and Komatsu PC40-5

For an accurate quotation, send the 25AS reference, machine model, coupling diameter and width, bolt pattern, required quantity and clear photos of the original coupling to sales@top-excavator-parts.com.

Compatibility note: Machine model references are used only to identify common applications. Confirm dimensions, bolt pattern, hub or flange configuration and pump installation before purchase.

Applicable Brand	Caterpillar, Hitachi, Komatsu
Product Type	Coupling