How do I confirm pilotpart548371-8790546219256 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 6251-11-5440 for Komatsu Engine SAA6D125E-5 Excavator PC400-8 PC400LC-8 PC450-8 PC450LC-8 PC500LC-10M0 PC500LC-10R PC550LC-8

For Komatsu Muffler

Muffler 6251-11-5440 for Komatsu

Q: What part numbers are associated with this Muffler?

6251-11-5440, SAA6D125E-5F, SAA6D125E-5F-02, SAA6D125E-5FR, PC400-8R, PC400LC-8, PC400LC-8R, PC400LCSE-8R, PC450-8, PC450-8R, PC450LC-8, PC450LC-8R

OEM / REF: 6251-11-5440SKU: pilotpart548371-8790546219256

Muffler Silencer 6251-11-5440 for Komatsu Engine SAA6D125E-5 Excavator PC400-8 PC400LC-8 PC450-8 PC450LC-8 PC500LC-10M0 PC500LC-10R PC550LC-8 is a Muffler replacement part for Komatsu Engine Spare Parts, categorized under Engine Spare Parts > Muffler. Use OEM part number 6251-11-5440 and confirm machine model, engin...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$359.00USD/EA

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.

Confirm fitment before ordering →

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

Muffler Description

Komatsu Muffler buyers can use 6251-11-5440 to cross-check shape, connector style, and mounting position against the component being replaced.

Additional cross references on file: SAA6D125E-5F, SAA6D125E-5F-02, SAA6D125E-5FR. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

6251-11-5440 SAA6D125E-5F SAA6D125E-5F-02 SAA6D125E-5FR PC400-8R PC400LC-8 PC400LC-8R PC400LCSE-8R PC450-8 PC450-8R PC450LC-8 PC450LC-8R

Fitment Notes

Brand or application signal: Komatsu 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.