How do I confirm pilotpart425427-9045548630264 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

Front Idler RD158-21302 RD118-21300 RD148-21300 for Kubota Excavator KX121-3ST KX121-3 KX040-4 KX033-4

For Kubota Front Idler

Front Idler RD148-21300 for Kubota

Q: What part numbers are associated with this Front Idler?

RD148-21300, RD118-21300, RD138-21300, RD158-21302, KX121-3, KX121-3S, KX040-4, KX033-4

OEM / REF: RD148-21300SKU: pilotpart425427-9045548630264

Front Idler RD158-21302 RD118-21300 RD148-21300 for Kubota Excavator KX121-3ST KX121-3 KX040-4 KX033-4 is a Front Idler replacement part for Kubota Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Front Idler. Use OEM part number RD148-21300 and confirm machine model, engine...

Stock: In stock
Condition: New
Fitment: Kubota Transmission & Undercarriage Parts
Category: Front Idler

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$458.00USD/EA

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.

Confirm fitment before ordering →

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

Front Idler Description

This Front Idler is indexed for Kubota s: Fit For Kubota Excavator: KX121-3ST, KX121-3, KX121-3S, KX040-4, KX033-4. Compare reference number RD148-21300 against the label on your existing Kubota component before ordering.

Additional cross references on file: RD118-21300, RD138-21300, RD158-21302. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

RD148-21300 RD118-21300 RD138-21300 RD158-21302 KX121-3 KX121-3S KX040-4 KX033-4

Applications

Kubota s: Fit For Kubota Excavator: KX121-3ST, KX121-3, KX121-3S, KX040-4, KX033-4

Fitment Notes

Brand or application signal: Kubota Transmission & Undercarriage Parts
Product family: Front Idler
System category: Transmission & Undercarriage Parts > Crawler Undercarriage Parts > Front Idler
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.