How do I confirm pilotpart266335-01 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

Piston 4 Units 1 Set For Yanmar Engine 4TNV98T Komatsu Engine S4D98E

For Yanmar Piston

Piston pilotpart266335-01 for Yanmar

OEM / REF: pilotpart266335-01SKU: pilotpart266335-01

Piston 4 Units 1 Set For Yanmar Engine 4TNV98T Komatsu Engine S4D98E is a Piston replacement part indexed for Yanmar Engine 4TNV98T Komatsu Engine S4D98E Piston 4 Units 1 SetOne Model Needs 4 Units and Models For Yanmar Engine 4TNV98T,Komatsu Engine S4D98E Including: Piston*4Units Piston pin*4 Units Piston Clip*8 Un...

Stock: In stock
Condition: New
Fitment: Yanmar Engine Spare Parts
Category: Piston

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$335.67USD/EA

~~$52,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 24 – Oct 31
10	Oct 22 – Oct 29
50	Oct 20 – Oct 27

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Piston Description

This Piston is indexed for Yanmar Engine 4TNV98T Komatsu Engine S4D98E Piston 4 Units 1 SetOne Model Needs 4 Units; Models For Yanmar Engine 4TNV98T,Komatsu Engine S4D98E Including: Piston*4Units Piston pin*4 Units Piston Clip*8 Units Details: Yanmar Engine Models: 4TNV98T-GECS 4TNV98T-GGE 4TNV98T-GGEH 4TNV98T-GGEHC 4TNV98T-GGEP 4TNV98T-GPGE 4TNV98T-N2FN 4TNV98T-NDI 4TNV98T-NLANG 4TNV98T-NNSV 4TNV98T-NSA 4TNV98T-NSA2 4TNV98T-NSAP 4TNV98T-NSV 4TNV98T-NU24 4TNV98T-SBK 4TNV98T-SFN Komatsu Engine Models: S4D98E-2NFN,S4D98E. Compare reference number pilotpart266335-01 against the label on your existing Yanmar component before ordering.

Before checkout, compare OEM part number pilotpart266335-01, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

pilotpart266335-01

Applications

Yanmar Engine 4TNV98T Komatsu Engine S4D98E Piston 4 Units 1 SetOne Model Needs 4 Units
Models For Yanmar Engine 4TNV98T,Komatsu Engine S4D98E Including: Piston*4Units Piston pin*4 Units Piston Clip*8 Units Details: Yanmar Engine Models: 4TNV98T-GECS 4TNV98T-GGE 4TNV98T-GGEH 4TNV98T-GGEHC 4TNV98T-GGEP 4TNV98T-GPGE 4TNV98T-N2FN 4TNV98T-NDI 4TNV98T-NLANG 4TNV98T-NNSV 4TNV98T-NSA 4TNV98T-NSA2 4TNV98T-NSAP 4TNV98T-NSV 4TNV98T-NU24 4TNV98T-SBK 4TNV98T-SFN Komatsu Engine Models: S4D98E-2NFN,S4D98E

Fitment Notes

Brand or application signal: Yanmar Engine Spare Parts
Product family: Piston
System category: Engine Spare Parts > Cylinder Components > Piston
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.