How do I confirm pilotpart084055-01 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

Overhaul Rebuild Kit for CAT 3304 Engine 951C 920 930 930R Loader 518 Skidder

For Caterpillar Unclassified

Unclassified 8N-3181 for Caterpillar

OEM / REF: 8N-3181SKU: pilotpart084055-01

Overhaul Rebuild Kit for CAT 3304 Engine 951C 920 930 930R Loader 518 Skidder is a Unclassified replacement part indexed for Part Number and Engine - Industrial 3304 Track-Type Loader 951C Wheel-Type Loader 920 930 930R Wheel-Type Skidder 518 Contains: 1 Set of Overhaul Gasket Kit 4 Cylinder Liners 4 Pistons STD 4 P...

Stock: In stock
Condition: New
Fitment: Caterpillar Tools and Accessories
Category: Unclassified

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,162.41USD/EA

~~$144,703.00~~Save 99%

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

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

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

Unclassified Description

This Unclassified is indexed for Part Number; Engine - Industrial 3304 Track-Type Loader 951C Wheel-Type Loader 920 930 930R Wheel-Type Skidder 518 Contains: 1 Set of Overhaul Gasket Kit 4 Cylinder Liners 4 Pistons STD 4 Piston Pins 8 Snap Rings 4 Rod Bushings 4 Set Piston Rings 1 Set of Main Bearings 1 Set of Rod Bearings 1 Set of Thrust Bearings 4 Intake Valves 4 Exhaust Valves 8 Valve Guides 4 Intake Valves Seats 4 Exhaust Valves Seats. Compare reference number 8N-3181 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 8N-3182. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

8N-3181 8N-3182

Applications

Part Number
Engine - Industrial 3304 Track-Type Loader 951C Wheel-Type Loader 920 930 930R Wheel-Type Skidder 518 Contains: 1 Set of Overhaul Gasket Kit 4 Cylinder Liners 4 Pistons STD 4 Piston Pins 8 Snap Rings 4 Rod Bushings 4 Set Piston Rings 1 Set of Main Bearings 1 Set of Rod Bearings 1 Set of Thrust Bearings 4 Intake Valves 4 Exhaust Valves 8 Valve Guides 4 Intake Valves Seats 4 Exhaust Valves Seats

Specifications

Part Number	8N-3181, 8N-3182, 8N3181, 8N3182

Fitment Notes

Brand or application signal: Caterpillar Tools and Accessories
Product family: Unclassified
System category: Tools and Accessories > Other Tool Parts > Unclassified
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.