How do I confirm pilotpart184743 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

Pulley J903221 for CASE Backhoe Loader 580E 580SE 780C

For CASE Belt Tensioner

Belt Tensioner J903221 for CASE 580E

OEM / REF: J903221SKU: pilotpart184743

Pulley J903221 for CASE Backhoe Loader 580E 580SE 780C is a Belt Tensioner replacement part indexed for Case 580E and Case 580SE, with 3 application records on file. Match OEM part number J903221 and confirm fitment for CASE Engine Spare Parts before ordering.

Stock: In stock
Condition: New
Fitment: CASE Engine Spare Parts
Category: Belt Tensioner

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$162.99USD/EA

~~$23,199.00~~Save 99%

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

Confirm fitment before ordering →

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

Belt Tensioner Description

This Belt Tensioner is indexed for Case 580E; Case 580SE; Case 780C. Compare reference number J903221 against the label on your existing CASE component before ordering.

Before checkout, compare OEM part number J903221, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

J903221

Applications

Case 580E
Case 580SE
Case 780C

Specifications

Part Number	J903221

Fitment Notes

Brand or application signal: CASE Engine Spare Parts
Product family: Belt Tensioner
System category: Engine Spare Parts > Belt Drive Systems > Belt Tensioner
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.