How do I confirm pilotpart956563 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

Poilt Gear Pump 173-1203 for Caterpillar CAT Excavator 311 311D 312C 312CL 313D 314C 314D 315C 315CL 315DL 318DL 319D 319DL

For Caterpillar Gear Pump

Gear Pump CA1731203 for Caterpillar CAT

OEM / REF: CA1731203SKU: pilotpart956563

Poilt Gear Pump 173-1203 for Caterpillar CAT Excavator 311 311D 312C 312CL 313D 314C 314D 315C 315CL 315DL 318DL 319D 319DL is a Gear Pump replacement part for Caterpillar Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Gear Pump. Use OEM part number CA1731203 and confirm machine model,...

Stock: In stock
Condition: New
Fitment: Caterpillar Hydraulic & Pneumatic Parts
Category: Gear 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	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 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.

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

Gear Pump Description

This Gear Pump is indexed for CAT CAT. Compare reference number CA1731203 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 173-1203. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1731203 173-1203

Applications

CAT CAT

Fitment Notes

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