How do I confirm pilotpart799379-9366353969400 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 Oil Filter

Oil Filter 529-0121 for Caterpillar

OEM / REF: 529-0121SKU: pilotpart799379-9366353969400

Oil Filter 529-0121 for Caterpillar CAT Excavator 305 306 305.5 306.5 Loader 953 is a Oil Filter replacement part for Caterpillar Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Oil Filter. Use OEM part number 529-0121 and confirm machine model, engine model, and serial det...

Stock: In stock
Condition: New
Fitment: Caterpillar Seals, Filters & Maintenance Parts
Category: Oil Filter

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$71.00USD/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.

Oil Filter Description

This Oil Filter is indexed for Caterpillar s: Fit for Caterpillar CAT Mini Hydraulic Excavator: 305, 306, 305CR, 305.5, 306.5 Fit for Caterpillar CAT Track Loader: 953. Compare reference number 529-0121 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 305CR, 305.5. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

529-0121 305CR305.5

Applications

Caterpillar s: Fit for Caterpillar CAT Mini Hydraulic Excavator: 305, 306, 305CR, 305.5, 306.5 Fit for Caterpillar CAT Track Loader: 953

Fitment Notes

Brand or application signal: Caterpillar Seals, Filters & Maintenance Parts
Product family: Oil Filter
System category: Seals, Filters & Maintenance Parts > Filters > Oil Filter
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.