How do I confirm pilotpart442560 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

Oil Pressure Sensor 278-5225 for Caterpillar CAT Engine C6.6 C4.4 3056E Excavator 320DGC 320DL 323DL M315D M322DMH M316D M313D M318DMH

For Caterpillar Wire Harness

Wire Harness 278-5225 for Caterpillar Caterpillar CAT:

OEM / REF: 278-5225SKU: pilotpart442560

Oil Pressure Sensor 278-5225 for Caterpillar CAT Engine C6.6 C4.4 3056E Excavator 320DGC 320DL 323DL M315D M322DMH M316D M313D M318DMH is a Wire Harness replacement part indexed for Part Number and Caterpillar CAT:. Match OEM part number 278-5225 and confirm fitment for Caterpillar Electrical Parts before ordering.

Stock: In stock
Condition: New
Fitment: Caterpillar Electrical Parts
Category: Wire Harness

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$23.99USD/EA

~~$29,899.00~~Save 100%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Nov 7 – Nov 14
10	Nov 5 – Nov 12
50	Nov 3 – Nov 10

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

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

Wire Harness Description

This Wire Harness is indexed for Part Number; Caterpillar CAT:. Compare reference number 278-5225 against the label on your existing Caterpillar component before ordering.

Before checkout, compare OEM part number 278-5225, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

278-5225

Applications

Part Number
Caterpillar CAT:

Specifications

Part Number	278-5225, 2785225

Fitment Notes

Brand or application signal: Caterpillar Electrical Parts
Product family: Wire Harness
System category: Electrical Parts > Wiring & Connections > Wire Harness
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.