How do I confirm pilotpart275411 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

Bearing Cup 4B-8393 for Caterpillar CAT Engine 3048 3406 C15 C18 Tractor C15 C18 C27 C32 3406 3306 3412 3508 Off-Road Truck 770 772 769C 769D 770G 771C 771D

For Caterpillar Bearing, Gear & Shaft

Bearing, Gear & Shaft 4B8393 for Caterpillar

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

4B8393, CA4B8393, 71750, 8A5871, 158149, 900280, 3408, 3048E, 3406, 3406C, 3406E, 3306

OEM / REF: 4B8393SKU: pilotpart275411

Bearing Cup 4B-8393 for Caterpillar CAT Engine 3048 3406 C15 C18 Tractor C15 C18 C27 C32 3406 3306 3412 3508 Off-Road Truck 770 772 769C 769D 770G 771C 771D is a Bearing, Gear & Shaft replacement part for Caterpillar Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Bearing,...

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

$56.00USD/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.

Bearing, Gear & Shaft Description

This Bearing, Gear & Shaft is indexed for Caterpillar s: Fit For Caterpillar CAT Engine: C18, 3408, 3048E, 3406, 3406C, 3406E, C15, 3306, C-15, D353 Fit For Caterpillar CAT Tractor: 621E, 621F, 621G, 621H, 621K, 623E, 623F, 623G, 623H, 623K, 627E, 627F, 627G, 627H, 627K, 631E II, 631G, 633E II, 637E II, 637G, 657E, D9R, D9T, DV232 Fit For Caterpillar CAT Scraper: 657E, 627E, 657G Fit For Caterpillar CAT Off-Road Truck: 770, 772, 769C, 769D, 770G, 771C, 771D, 772G, 773GC Fit For Caterpillar CAT Skidder: 530B. Compare reference number 4B8393 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA4B8393, 71750, 8A5871. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4B8393 CA4B8393717508A5871 15814990028034083048E34063406C 3406E3306

Applications

Caterpillar s: Fit For Caterpillar CAT Engine: C18, 3408, 3048E, 3406, 3406C, 3406E, C15, 3306, C-15, D353 Fit For Caterpillar CAT Tractor: 621E, 621F, 621G, 621H, 621K, 623E, 623F, 623G, 623H, 623K, 627E, 627F, 627G, 627H, 627K, 631E II, 631G, 633E II, 637E II, 637G, 657E, D9R, D9T, DV232 Fit For Caterpillar CAT Scraper: 657E, 627E, 657G Fit For Caterpillar CAT Off-Road Truck: 770, 772, 769C, 769D, 770G, 771C, 771D, 772G, 773GC Fit For Caterpillar CAT Skidder: 530B

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.