How do I confirm pilotpart159144-01 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

GP-Main Hydraulic pump 1730663 for Caterpillar Excavator 312C 312CL

For 312c Hydraulic Pump

Hydraulic Pump 1730663 for 312c 312C 312CL

OEM / REF: 1730663SKU: pilotpart159144-01

GP-Main Hydraulic pump 1730663 for Caterpillar Excavator 312C 312CL is a Hydraulic Pump replacement part indexed for Part Number and 312C 312CL. Match OEM part number 1730663 and confirm fitment for 312c Hydraulic & Pneumatic Parts before ordering.

Stock: In stock
Condition: New
Fitment: 312c Hydraulic & Pneumatic Parts
Category: Hydraulic Pump

Fitment support before you order
Worldwide delivery options

Quote required

Price on requestRFQ

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

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This part requires a quote. Add it to your quote list or send machine details for pricing and lead time.

Confirm fitment before ordering →

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

Hydraulic Pump Description

This Hydraulic Pump is indexed for Part Number; 312C 312CL. Compare reference number 1730663 against the label on your existing 312c component before ordering.

Additional cross references on file: 312C, 312CL. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

1730663312C312CL

Applications

Part Number
312C 312CL

Specifications

Part Number	1730663

Fitment Notes

Brand or application signal: 312c Hydraulic & Pneumatic Parts
Product family: Hydraulic Pump
System category: Hydraulic & Pneumatic Parts > Hydraulic Pumps & Motors > Hydraulic Pump
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.