How do I confirm pilotpart106616 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

Fuel Injection Pump 1G787-51010 for Kubota Engine V2203 V2403 Excavator KX121-3 KX161-3 U45S Loader R520S

For Kubota Injection Pump

Injection Pump KX121-3 for Kubota

OEM / REF: KX121-3SKU: pilotpart106616

Fuel Injection Pump 1G787-51010 for Kubota Engine V2203 V2403 Excavator KX121-3 KX161-3 U45S Loader R520S is a Injection Pump replacement part indexed for Part Number and Kubota Excavator: KX121-3, KX121-3S, KX121-3ST, KX161-3, KX161-3S, KX161-3ST, U45S, U45ST Wheel Loader: R520S Engine:Kubota V2203, V2403, with 3 a...

Stock: In stock
Condition: New
Fitment: Kubota Engine Spare Parts
Category: Injection Pump

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$967.99USD/EA

~~$106,499.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 21 – Oct 28
10	Oct 19 – Oct 26
50	Oct 17 – Oct 24

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.

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

Injection Pump Description

This Injection Pump is indexed for Part Number; Kubota Excavator: KX121-3, KX121-3S, KX121-3ST, KX161-3, KX161-3S, KX161-3ST, U45S, U45ST Wheel Loader: R520S Engine:Kubota V2203, V2403; Kubota s: For Kubota Excavator: KX121-3, KX121-3S, KX121-3ST, KX161-3, KX161-3S, KX161-3ST, U45S, U45ST Wheel Loader: R520S. Compare reference number KX121-3 against the label on your existing Kubota component before ordering.

Additional cross references on file: KX121-3S, KX121-3ST, KX161-3. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

KX121-3 KX121-3S KX121-3ST KX161-3 KX161-3S KX161-3STU45SU45ST R520S V2203 V2403 1G787-51013

Applications

Part Number
Kubota Excavator: KX121-3, KX121-3S, KX121-3ST, KX161-3, KX161-3S, KX161-3ST, U45S, U45ST Wheel Loader: R520S Engine:Kubota V2203, V2403
Kubota s: For Kubota Excavator: KX121-3, KX121-3S, KX121-3ST, KX161-3, KX161-3S, KX161-3ST, U45S, U45ST Wheel Loader: R520S

Specifications

Part Number	1G787-51013, 14111-42410, 1G78751013, 1411142410

Fitment Notes

Brand or application signal: Kubota Engine Spare Parts
Product family: Injection Pump
System category: Engine Spare Parts > Fuel System > Injection Pump
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.