How do I confirm pilotpart442504 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

Time Relay 163-6703X 1636703X for Caterpillar CAT Excavator E312C E320C E325C E330C 312C 320 325B 330C

For Caterpillar Wire Harness

Wire Harness 163-6703X for Caterpillar

OEM / REF: 163-6703XSKU: pilotpart442504

Time Relay 163-6703X 1636703X for Caterpillar CAT Excavator E312C E320C E325C E330C 312C 320 325B 330C is a Wire Harness replacement part indexed for Part Number and Caterpillar CAT Excavator E312C E320C E325C E330C 312C 320 325B 330C. Match OEM part number 163-6703X and confirm fitment for Caterpillar Electrical Pa...

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

$105.99USD/EA

~~$29,899.00~~Save 100%

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

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 Excavator E312C E320C E325C E330C 312C 320 325B 330C. Compare reference number 163-6703X against the label on your existing Caterpillar component before ordering.

Before checkout, compare OEM part number 163-6703X, 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

163-6703X

Applications

Part Number
Caterpillar CAT Excavator E312C E320C E325C E330C 312C 320 325B 330C

Specifications

Part Number	163-6703X, 1636703X

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.