How do I confirm pilotpart310890 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

Hose 265-3591 For Caterpillar CAT E320D E323D Engine C6 C6.4

For Caterpillar Connections

Connections 265-3591 for Caterpillar

Q: What part numbers are associated with this Connections?

265-3591, MACHINEC6, C6.4EXCAVATOR320D, 320D, 323D, FORESTRY320DFMLL, 320DFMLLBFORESTRY, EXCAVATORS320DFMST, 320DFMHW, 320DFMGFBTRACK, EXCAVATORS320DL, 323DL

OEM / REF: 265-3591SKU: pilotpart310890

Hose 265-3591 For Caterpillar CAT E320D E323D Engine C6 C6.4 is a Connections replacement part indexed for Part Number and Caterpillar CAT E320D E323D Engine C6 C6.4 Hose 265-3591, with 3 application records on file. Match OEM part number 265-3591 and confirm fitment for Caterpillar Hydraulic & Pneumatic Parts befor...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$94.56USD/EA

~~$13,899.00~~Save 99%

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

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.

Connections Description

This Connections is indexed for Part Number; Caterpillar CAT E320D E323D Engine C6 C6.4 Hose 265-3591; ENGINE - MACHINEC6; C6.4EXCAVATOR320D; 320D FM; 320D GC; 320D L; 320D LN; 323D; 323D L; 323D LN LOG LOADERS FORESTRY320DFMLL,320DFMLLBFORESTRY EXCAVATORS320DFMST,320DFMHW,320DFMGFBTRACK EXCAVATORS320DL,320D,323DL,323DSA,323DLOEM,323D,323DLN,320DGC,320DLN,323DLNOEM Specification: 50*55*23. Compare reference number 265-3591 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: MACHINEC6, C6.4EXCAVATOR320D, 320D. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

265-3591 MACHINEC6 C6.4EXCAVATOR320D320D323DFORESTRY320DFMLL 320DFMLLBFORESTRY EXCAVATORS320DFMST 320DFMHW 320DFMGFBTRACK EXCAVATORS320DL 323DL

Applications

Part Number
Caterpillar CAT E320D E323D Engine C6 C6.4 Hose 265-3591
ENGINE - MACHINEC6; C6.4EXCAVATOR320D; 320D FM; 320D GC; 320D L; 320D LN; 323D; 323D L; 323D LN LOG LOADERS FORESTRY320DFMLL,320DFMLLBFORESTRY EXCAVATORS320DFMST,320DFMHW,320DFMGFBTRACK EXCAVATORS320DL,320D,323DL,323DSA,323DLOEM,323D,323DLN,320DGC,320DLN,323DLNOEM Specification: 50*55*23

Specifications

Part Number	265-3591,2653591

Fitment Notes

Brand or application signal: Caterpillar Hydraulic & Pneumatic Parts
Product family: Connections
System category: Hydraulic & Pneumatic Parts > Connections > Connections
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.