How do I confirm pilotpart047891-8901839290616 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

Sun Gear 7Y-1643 7Y1643 for Caterpillar CAT Engine 3066 3116 Excavator 320B 320BL 320BLN 320BN 320BS

For Caterpillar Travel Motor & Gearbox

Travel Motor & Gearbox 7Y-1643 for Caterpillar

OEM / REF: 7Y-1643SKU: pilotpart047891-8901839290616

Sun Gear 7Y-1643 7Y1643 for Caterpillar CAT Engine 3066 3116 Excavator 320B 320BL 320BLN 320BN 320BS is a Travel Motor & Gearbox replacement part for Caterpillar Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Travel Motor & Gearbox. Use OEM part number 7Y-1643 and confirm...

Stock: In stock
Condition: New
Fitment: Caterpillar Transmission & Undercarriage Parts
Category: Travel Motor & Gearbox

Fitment support before you order
Worldwide delivery options

Quote required

Price on requestRFQ

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

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This part requires a quote. Add it to your quote list or send machine details for pricing and lead time.

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

Travel Motor & Gearbox Description

This Travel Motor & Gearbox is indexed for Caterpillar Fit for CAT Excavator: 320B, 320BL, 320BLN, 320BN, 320BS. Compare reference number 7Y-1643 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 3116. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

7Y-16433116

Applications

Caterpillar Fit for CAT Excavator: 320B, 320BL, 320BLN, 320BN, 320BS

Fitment Notes

Brand or application signal: Caterpillar Transmission & Undercarriage Parts
Product family: Travel Motor & Gearbox
System category: Transmission & Undercarriage Parts > Travel & Swing Mechanism Parts > Travel Motor & Gearbox
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.