How do I confirm pilotpart868371-9475335979256 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

Drive Shaft 173-3391 for Caterpillar CAT Engine 3066 3126 C6.4 Excavator 318C 319C 320C 320C FM 320C L 321C 322C

For Caterpillar Bearing, Gear & Shaft

Bearing, Gear & Shaft CA1733391 for Caterpillar

Q: What part numbers are associated with this Bearing, Gear & Shaft?

CA1733391, 173-3391, 3126, 319C, 320C, 321C, 322C

OEM / REF: CA1733391SKU: pilotpart868371-9475335979256

Drive Shaft 173-3391 for Caterpillar CAT Engine 3066 3126 C6.4 Excavator 318C 319C 320C 320C FM 320C L 321C 322C is a Bearing, Gear & Shaft replacement part for Caterpillar Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Bearing, Gear & Shaft. Use OEM part number CA1733391...

Stock: In stock
Condition: New
Fitment: Caterpillar Transmission & Undercarriage Parts
Category: Bearing, Gear & Shaft

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$515.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 21 – Aug 28
10	Aug 19 – Aug 26
50	Aug 17 – Aug 24

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.

Bearing, Gear & Shaft Description

This Bearing, Gear & Shaft is indexed for Caterpillar s: Fit For Caterpillar Engine: 3066, 3126, C6.4 Fit For Caterpillar Excavator: 318C, 319C, 320C, 320C FM, 320C L, 321C, 322C. Compare reference number CA1733391 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 173-3391, 3126, 319C. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1733391 173-33913126319C320C321C322C

Applications

Caterpillar s: Fit For Caterpillar Engine: 3066, 3126, C6.4 Fit For Caterpillar Excavator: 318C, 319C, 320C, 320C FM, 320C L, 321C, 322C

Fitment Notes

Brand or application signal: Caterpillar Transmission & Undercarriage Parts
Product family: Bearing, Gear & Shaft
System category: Transmission & Undercarriage Parts > Transmission Parts > Bearing, Gear & Shaft
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.