How do I confirm pilotpart491219-8388473782520 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

Boom Cylinder Seal Kit 170-9929 for Caterpillar CAT Engine 3064 Excavator 311C

For Caterpillar Seal Kit

Seal Kit CA1709929 for Caterpillar

OEM / REF: CA1709929SKU: pilotpart491219-8388473782520

Boom Cylinder Seal Kit 170-9929 for Caterpillar CAT Engine 3064 Excavator 311C is a Seal Kit replacement part for Caterpillar Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Seal Kit. Use OEM part number CA1709929 and confirm machine model, engine model, and serial details before checkout.

Stock: In stock
Condition: New
Fitment: Caterpillar Hydraulic & Pneumatic Parts
Category: Seal Kit

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$63.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Nov 10 – Nov 17
10	Nov 8 – Nov 15
50	Nov 6 – Nov 13

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.

Seal Kit Description

This Seal Kit is indexed for Caterpillar Caterpillar Excavator: 311C. Compare reference number CA1709929 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 170-9929. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1709929 170-9929

Applications

Caterpillar Caterpillar Excavator: 311C

Fitment Notes

Brand or application signal: Caterpillar Hydraulic & Pneumatic Parts
Product family: Seal Kit
System category: Hydraulic & Pneumatic Parts > Hydraulic Cylinders & Components > Seal Kit
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.