How do I confirm pilotpart263379-9130166321400 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

Spider & Bearing Assembly 2D-2978 6G976 for Caterpillar CAT Engine 3306 Motor Grader 120 12E 140 14E

For Caterpillar Universal Joint

Universal Joint 2D-2978 for Caterpillar

Q: What part numbers are associated with this Universal Joint?

2D-2978, CA2D2978, 3994424, 6G976, 6G0976, 120B, 140B

OEM / REF: 2D-2978SKU: pilotpart263379-9130166321400

Spider & Bearing Assembly 2D-2978 6G976 for Caterpillar CAT Engine 3306 Motor Grader 120 12E 140 14E is a Universal Joint replacement part for Caterpillar Machinery & Equipment, categorized under Machinery & Equipment > Universal Joint. Use OEM part number 2D-2978 and confirm machine model, engine model, and serial...

Stock: In stock
Condition: New
Fitment: Caterpillar Machinery & Equipment
Category: Universal Joint

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$28.00USD/EA

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.

Universal Joint Description

This Universal Joint is indexed for CAT s: Fit for Caterpillar CAT Motor Grader: 120, 120B, 12E, 12F, 140, 140B, 14E, 16. Compare reference number 2D-2978 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA2D2978, 3994424, 6G976. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

2D-2978 CA2D2978 3994424 6G976 6G0976120B140B

Applications

CAT s: Fit for Caterpillar CAT Motor Grader: 120, 120B, 12E, 12F, 140, 140B, 14E, 16

Fitment Notes

Brand or application signal: Caterpillar Machinery & Equipment
Product family: Universal Joint
System category: Machinery & Equipment > Other Machinery & Equipment > Universal Joint
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.