Overhaul Kits 4TNE94 for Komatsu

OEM / REF: 4TNE94SKU: pilotpart646171

Engine Overhaul Rebuild Kit for Yanmar 4TNE94 Komatsu D20A D21Q D20S D21S D20PL D20PLL D20Q D21A D21P D21PL WA65PT WA65 WA75 is a Overhaul Kits replacement part for Komatsu Engine Spare Parts, categorized under Engine Spare Parts > Overhaul Kits. Use OEM part number 4TNE94 and confirm machine model, engine model, an...

Stock
In stock
Condition
New
Fitment
Komatsu Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Overhaul Kits Description

This Overhaul Kits is indexed for Komatsu Yanmar 4TNE94 Komatsu D20A D21Q D20S D21S D20PL D20PLL D20Q D21A D21P D21PL WA65PT WA65 WA75 Item Included: 4 pcs piston 4 pcs piston ring 4 pcs piston pin 8 pcs piston clip 4 pcs Connecting Rod bushing 4 pcs Cylinder Liner 8 pcs intake valve 8 pcs exhaust valve 8 pcs intake valve guide 8 pcs exhaust valve guide 8 pcs intake valve seat 8 pcs exhaust valve seat 1 set main rod bearing 1 set con rod bearing 1 set thrust plate 1 set full gasket kit. Compare reference number 4TNE94 against the label on your existing Komatsu component before ordering.

Additional cross references on file: D20A, D20PL, D21Q. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4TNE94D20AD20PLD21QD21S

Applications

  • Komatsu Yanmar 4TNE94 Komatsu D20A D21Q D20S D21S D20PL D20PLL D20Q D21A D21P D21PL WA65PT WA65 WA75 Item Included: 4 pcs piston 4 pcs piston ring 4 pcs piston pin 8 pcs piston clip 4 pcs Connecting Rod bushing 4 pcs Cylinder Liner 8 pcs intake valve 8 pcs exhaust valve 8 pcs intake valve guide 8 pcs exhaust valve guide 8 pcs intake valve seat 8 pcs exhaust valve seat 1 set main rod bearing 1 set con rod bearing 1 set thrust plate 1 set full gasket kit

Fitment Notes

Brand or application signal
Komatsu Engine Spare Parts
Product family
Overhaul Kits
System category
Engine Spare Parts > Cylinder Components > Overhaul Kits
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.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.