How do I confirm pilotpart235871-01 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

Muffler Silencer 4256163 For Hitachi HR320 HR420 RX2000-2 Engine 6BD1

For Hitachi Muffler

Muffler 4256163 for Hitachi

Q: What part numbers are associated with this Muffler?

4256163, 6BD1, HR320, HR420, RX2000-2

OEM / REF: 4256163SKU: pilotpart235871-01

Muffler Silencer 4256163 For Hitachi HR320 HR420 RX2000-2 Engine 6BD1 is a Muffler replacement part indexed for Part Number and Hitachi HR320 HR420 RX2000-2 Engine 6BD1 Muffler Silencer 4256163, with 3 application records on file. Match OEM part number 4256163 and confirm fitment for Hitachi Engine Spare Parts befor...

Stock: In stock
Condition: New
Fitment: Hitachi Engine Spare Parts
Category: Muffler

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$553.46USD/EA

~~$75,280.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 21 – Oct 28
10	Oct 19 – Oct 26
50	Oct 17 – Oct 24

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.

Muffler Description

This Muffler is indexed for Part Number; Hitachi HR320 HR420 RX2000-2 Engine 6BD1 Muffler Silencer 4256163; Engine: 6BD1 Model: HR320 HR420 RX2000-2. Compare reference number 4256163 against the label on your existing Hitachi component before ordering.

Additional cross references on file: 6BD1, HR320, HR420. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

42561636BD1HR320 HR420 RX2000-2

Applications

Part Number
Hitachi HR320 HR420 RX2000-2 Engine 6BD1 Muffler Silencer 4256163
Engine: 6BD1 Model: HR320 HR420 RX2000-2

Specifications

Part Number	4256163

Fitment Notes

Brand or application signal: Hitachi Engine Spare Parts
Product family: Muffler
System category: Engine Spare Parts > Emission & Exhaust System > Muffler
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.