How do I confirm pilotpart750995 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

Tapered Roller Bearing 166-6930 166-6931 for Caterpillar CAT Engine 3408 3412 C18 C27 Tractor D10N D10R D10T D9T D10T2 D9R

For Caterpillar Bearing, Gear & Shaft

Bearing, Gear & Shaft CA1666931 for Caterpillar

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

CA1666931, 166-6931, CA1666930, 166-6930

OEM / REF: CA1666931SKU: pilotpart750995

Tapered Roller Bearing 166-6930 166-6931 for Caterpillar CAT Engine 3408 3412 C18 C27 Tractor D10N D10R D10T D9T D10T2 D9R is a Bearing, Gear & Shaft replacement part for Caterpillar Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Bearing, Gear & Shaft. Use OEM part number...

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

$44.00USD/EA

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

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 Fit For Caterpillar Engine: 3408, 3408C, 3408E, 3412, 3412E, C18, C27 Fit For Caterpillar Tractor: D10N, D10R, D10T, D10T2, D9R, D9T Fit For Caterpillar Loader: 963D. Compare reference number CA1666931 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 166-6931, CA1666930, 166-6930. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1666931 166-6931 CA1666930 166-6930

Applications

Caterpillar Fit For Caterpillar Engine: 3408, 3408C, 3408E, 3412, 3412E, C18, C27 Fit For Caterpillar Tractor: D10N, D10R, D10T, D10T2, D9R, D9T Fit For Caterpillar Loader: 963D

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.