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ASPART · MACHINERY PARTS
Piston Pump Coupling Hub for Cat reference 263-4997. Connects the hydrostatic pump drive arrangement through a splined coupling hub. Confirm the matching machine or assembly details before requesting a quotation.
For fitment confirmation, provide the OE number and machine model or serial number where available.
Compare the part reference and available specifications. Confirm compatibility with your machine before ordering.
| Brand | ASPART |
|---|---|
| OE Reference Brand | Cat |
| Equipment Type | Skid steer loader; multi terrain loader |
| Assembly / Application | Hydrostatic piston pump coupling |
| Part Function | Connects the hydrostatic pump drive arrangement through a splined coupling hub. |
| Compatible Models | 216B; 226B; 242B; 247B; 257B (Cat-listed) |
| Technical Details | 14 internal spline teeth; 50 external spline teeth; outer diameter 2.67 in; height 2.59 in |
Please confirm the original OE number, machine model and serial number before ordering. Listed references do not guarantee interchangeability.
Need help confirming compatibility? Send the OE number, machine model, and a photo of the existing part for our team to review before quotation.
Lead time, stock and warranty coverage are confirmed for each quotation.
Cat part reference 263-4997 identifies a hydrostatic piston pump coupling hub used within a pump and mounting group. The design includes internal and external splines.
Cat lists selected skid steer loaders and multi terrain loaders, including 216B, 226B, 242B, 247B and 257B. Confirm serial range and pump configuration before ordering.
Count the internal/external spline teeth and compare the hub dimensions and retaining arrangement with the removed component.
A shared OE number is a starting point, not proof of fitment. Send your machine details so our team can review the reference before quotation.
See representative scenes of inventory handling, reference measurement, packaging, and shipment preparation. Product compatibility is confirmed for each enquiry.
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Organized storage helps us consolidate multi-SKU sourcing requests. Stock is confirmed when quoting.
Reference dimensions may be checked where needed. A photo cannot establish fitment by itself.
Packaging and protection are arranged according to product type and order requirements.
We coordinate export packing and loading details for confirmed orders.
Send the OE number, quantity and machine details. We will review references and sourcing options before quoting—without assuming interchangeability.
← Swipe to see all 4 sourcing steps →
01
Share OE, quantity, and any parts list.
02
Add machine brand, model, engine or serial details where available.
03
We confirm reference evidence, availability and lead time before the offer.
04
Confirm packaging, payment and destination prior to shipping.
Send us the original OE number and your machine model. When the fitment depends on a production range, include the serial number or a photo of the existing part.
Yes. Send the OE numbers and quantities together so our team can review the purchasing list.
Submit your part number and required quantity. Our team will verify availability and estimated dispatch timing for the actual item before quoting.
Send your OE number, machine model or purchasing list. We’ll check the details and get back to you with sourcing support.
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