How do I confirm pilotpart195789 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

Crankshaft 4W3989 4W3579 for Mitsubishi S4KT Engine

For Caterpillar Crankshaft

Crankshaft 4W3989 for Mitsubishi

OEM / REF: 4W3989SKU: pilotpart195789

Crankshaft 4W3989 4W3579 for Mitsubishi S4KT Engine is a Crankshaft replacement part indexed for Part Number and Caterpillar Caterpillar CAT Wheel Loader 918F 924F Engine 3114 Picture for reference only, with 3 application records on file. Match OEM part number 4W3989 and confirm fitment for Mitsubishi Engine Spare...

Stock: In stock
Condition: New
Fitment: Caterpillar Engine Spare Parts
Category: Crankshaft

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,239.63USD/EA

~~$52,599.00~~Save 98%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

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.

Crankshaft Description

This Crankshaft is indexed for Part Number; Caterpillar Caterpillar CAT Wheel Loader 918F 924F Engine 3114 Picture for reference only; Mitsubishi Mitsubishi S4K S4K-T Engine Caterpillar 312B. Compare reference number 4W3989 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 4W3579, S4KT. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4W3989 4W3579S4KT

Applications

Part Number
Caterpillar Caterpillar CAT Wheel Loader 918F 924F Engine 3114 Picture for reference only
Mitsubishi Mitsubishi S4K S4K-T Engine Caterpillar 312B

Specifications

Part Number	4W3989,4W3579

Fitment Notes

Brand or application signal: Caterpillar Engine Spare Parts
Product family: Crankshaft
System category: Engine Spare Parts > Block & Internal Parts > Crankshaft
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.