How do I confirm pilotpart157772 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

Hydraulic Main Pump K3V63DT 121-1504 for Caterpillar CAT Excavator 312B 312BL

For Caterpillar Hydraulic Pump

Hydraulic Pump 121-1504 for Caterpillar

Q: What part numbers are associated with this Hydraulic Pump?

121-1504, 312B, 2KW00001-UP, BY3054, 2NS00001-UP, 3064, K3V63DT, 4I7634, CA4I7634, CA1211504

OEM / REF: 121-1504SKU: pilotpart157772

Hydraulic Main Pump K3V63DT 121-1504 for Caterpillar CAT Excavator 312B 312BL is a Hydraulic Pump replacement part indexed for Part Number and Caterpillar Details: 312B &312B L Excavators 2KW00001-UP (MACHINE) POWERED BY 3054 Engine » 121-1504 PUMP GP-MAIN HYDRAULIC 312B & 312B L TRACK-TYPE EXCAVATORS 2NS00001-UP (M...

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

Fitment support before you order
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Quote required

Price on requestRFQ

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 15 – Aug 22
10	Aug 13 – Aug 20
50	Aug 11 – Aug 18

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.

Hydraulic Pump Description

This Hydraulic Pump is indexed for Part Number; Caterpillar Details: 312B &312B L Excavators 2KW00001-UP (MACHINE) POWERED BY 3054 Engine » 121-1504 PUMP GP-MAIN HYDRAULIC 312B & 312B L TRACK-TYPE EXCAVATORS 2NS00001-UP (MACHINE) POWERED BY 3064 ENGINE Pump Number:K3V63DT Note:Not always in stock,please contact us before ordering.thanks.. Compare reference number 121-1504 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 312B, 2KW00001-UP, BY3054. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

121-1504312B2KW00001-UP BY3054 2NS00001-UP3064K3V63DT 4I7634 CA4I7634 CA1211504

Applications

Part Number
Caterpillar Details: 312B &312B L Excavators 2KW00001-UP (MACHINE) POWERED BY 3054 Engine » 121-1504 PUMP GP-MAIN HYDRAULIC 312B & 312B L TRACK-TYPE EXCAVATORS 2NS00001-UP (MACHINE) POWERED BY 3064 ENGINE Pump Number:K3V63DT Note:Not always in stock,please contact us before ordering.thanks.

Specifications

Part Number	K3V63DT,4I7634,4I-7634,121-1504,CA4I7634,CA1211504,1211504

Fitment Notes

Brand or application signal: Caterpillar 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.