How do I confirm pilotpart112979-8491894014200 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

For Caterpillar Cylinder Head

Cylinder Head 183-8171 for Caterpillar

Q: What part numbers are associated with this Cylinder Head?

183-8171, CA1838171, 34301-01050

OEM / REF: 183-8171SKU: pilotpart112979-8491894014200

Bare Cylinder Head 183-8171 for Caterpillar CAT Engine 3066 Excavator 320B 320BL 320BN 320C 321B is a Cylinder Head replacement part for Caterpillar Engine Spare Parts, categorized under Engine Spare Parts > Cylinder Head. Use OEM part number 183-8171 and confirm machine model, engine model, and serial details befor...

Stock: In stock
Condition: New
Fitment: Caterpillar Engine Spare Parts
Category: Cylinder Head

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$559.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Nov 8 – Nov 15
10	Nov 6 – Nov 13
50	Nov 4 – Nov 11

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

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

Cylinder Head Description

This Cylinder Head is indexed for Caterpillar Fit for Caterpillar CAT Excavator: 320B,320B FM LL,320B L,320B LL,320B LU,320B N,320B U,320C,320C FM,321B. Compare reference number 183-8171 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA1838171, 34301-01050. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

183-8171 CA1838171 34301-01050

Applications

Caterpillar Fit for Caterpillar CAT Excavator: 320B,320B FM LL,320B L,320B LL,320B LU,320B N,320B U,320C,320C FM,321B

Fitment Notes

Brand or application signal: Caterpillar Engine Spare Parts
Product family: Cylinder Head
System category: Engine Spare Parts > Cylinder Components > Cylinder Head
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.