How do I confirm pilotpart651539-9129163948280 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

Idler Pulley Assembly 3400884 3400883 for Cummins Engine M11 ISM11 QSM11 QSB6.7 4ISBE 4B4.5

For Cummins Idler Pulley

Idler Pulley 3400884 for Cummins

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

3400884, 3400883, C3400884, HL780-7A, R480LC-9, R500LC-7A, R520LC-9

OEM / REF: 3400884SKU: pilotpart651539-9129163948280

Idler Pulley Assembly 3400884 3400883 for Cummins Engine M11 ISM11 QSM11 QSB6.7 4ISBE 4B4.5 is a Idler Pulley replacement part for Cummins Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Idler Pulley. Use OEM part number 3400884 and confirm machine model, engine model, and...

Stock: In stock
Condition: New
Fitment: Cummins Transmission & Undercarriage Parts
Category: Idler Pulley

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$53.00USD/EA

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.

Idler Pulley Description

This Idler Pulley is indexed for Cummins s: Fit For Hyundai Loader: HL7803A, HL780-7A, HL780-9 Fit For Hyundai Excavator: R450LC-7A, R480LC-9, R500LC-7A, R520LC-9. Compare reference number 3400884 against the label on your existing Cummins component before ordering.

Additional cross references on file: 3400883, C3400884, HL780-7A. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3400884 3400883 C3400884 HL780-7A R480LC-9 R500LC-7A R520LC-9

Applications

Cummins s: Fit For Hyundai Loader: HL7803A, HL780-7A, HL780-9 Fit For Hyundai Excavator: R450LC-7A, R480LC-9, R500LC-7A, R520LC-9

Fitment Notes

Brand or application signal: Cummins Transmission & Undercarriage Parts
Product family: Idler Pulley
System category: Transmission & Undercarriage Parts > Transmission Parts > Idler Pulley
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.