How do I confirm pilotpart740243-9197749960952 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

Master Cylinder Assembly 9K-1591 for Caterpillar CAT Engine 3304 3306 Skidder 518 528 528B 530B

For Caterpillar Transmission Parts

Transmission Parts 9K-1591 for Caterpillar

OEM / REF: 9K-1591SKU: pilotpart740243-9197749960952

Master Cylinder Assembly 9K-1591 for Caterpillar CAT Engine 3304 3306 Skidder 518 528 528B 530B is a Transmission Parts replacement part for Caterpillar Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Transmission Parts. Use OEM part number 9K-1591 and confirm machine model...

Stock: In stock
Condition: New
Fitment: Caterpillar Transmission & Undercarriage Parts
Category: Transmission Parts

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$79.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 22 – Aug 29
10	Aug 20 – Aug 27
50	Aug 18 – Aug 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.

Transmission Parts Description

This Transmission Parts is indexed for Caterpillar s: Fit for Caterpillar CAT Skidder: 518, 528, 528B, 530B. Compare reference number 9K-1591 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 528B, 530B. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

9K-1591528B530B

Applications

Caterpillar s: Fit for Caterpillar CAT Skidder: 518, 528, 528B, 530B

Fitment Notes

Brand or application signal: Caterpillar Transmission & Undercarriage Parts
Product family: Transmission Parts
System category: Transmission & Undercarriage Parts > Transmission Parts > Transmission Parts
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.