AEDSF/3-296B| Piston Pin & Snap Ring 4D94E +0.25

Yanmar 4D94E Piston Assembly +0.25mm Oversize

Replacement +0.25 mm oversize piston assembly for selected Yanmar 4D94E diesel engine applications used in forklifts, industrial equipment and material-handling machinery.

This piston is intended for compatible engines undergoing rebuilding or cylinder-bore reconditioning where a +0.25 mm oversize piston is required.

The piston transfers combustion forces through the piston pin and connecting rod to the crankshaft. Correct piston dimensions, cylinder clearances and component compatibility are essential for reliable engine operation.

Product Specifications

• Sunbrite SKU: AEDSF/3-296B

• Product Type: Oversize Piston Assembly

• Engine Manufacturer: Yanmar

• Listed Engine Application: 4D94E

• Piston Size: +0.25 mm Oversize

• Nominal Standard Engine Bore: 94.00 mm

• Nominal Oversize Bore: 94.25 mm

• Manufacturer Part Number: To be confirmed

• Material: Metal alloy — exact grade to be confirmed

• Condition: Confirm new/used status

• Manufacturer Type: Confirm genuine or aftermarket status

• Piston Pin: Confirm inclusion

• Retaining Clips / Snap Rings: Confirm inclusion and quantity

• Piston Rings: Confirm whether included

• Quantity Supplied: Confirm individual piston or complete set

Product Features

• +0.25 mm oversize piston for compatible Yanmar diesel engines

• Suitable for correctly specified engine-rebuilding applications

• Supports combustion-force transfer through the connecting rod

• Intended for compatible cylinder-bore refurbishment and piston replacement

• Can be used with correctly matched piston pins and retaining clips

Important Ordering Information

Before ordering, please confirm:

• Exact engine model and serial number

• Original piston part number

• Piston crown and combustion chamber design

• Long-type or short-type piston configuration

• Required +0.25 mm oversize

• Cylinder-bore measurements

• Piston-to-cylinder clearance

• Piston pin diameter and length

• Retaining clip specifications

• Whether piston rings are included

• Quantity supplied per order

Important: A +0.25 mm oversize piston is not a direct replacement for a standard-size piston unless the cylinder bore has been correctly prepared and measured.

Similar Yanmar diesel engines can use different piston configurations. Confirm the original part number and engine specifications before ordering.

Engine machining and piston installation should be performed by a qualified diesel engine technician.

Contact Sunbrite Forklifts South Africa for assistance with product identification, compatibility, pricing and availability.