How do I confirm pilotpart297996 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 Hitachi Oil Filter

Oil Filter 4283860 for Hitachi HR320

OEM / REF: 4283860SKU: pilotpart297996

Oil Filter 4283860 For Hitachi HR320 HR420 is a Oil Filter replacement part indexed for Hitachi HR320 and Hitachi HR420. Match OEM part number 4283860 and confirm fitment for Hitachi Seals, Filters & Maintenance Parts before ordering.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$131.99USD/EA

~~$18,799.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 15 – Aug 22
10	Aug 13 – Aug 20
50	Aug 11 – Aug 18

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 Hitachi HR320; Hitachi HR420. Compare reference number 4283860 against the label on your existing Hitachi component before ordering.

Before checkout, compare OEM part number 4283860, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

4283860

Applications

Hitachi HR320
Hitachi HR420

Specifications

Size	2481221.3/8＂-16
Filtration Accuracy	≤25μm
Filtration Efficiency	≥99.85%
Part Number	4283860

Fitment Notes

Brand or application signal: Hitachi 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.