Muffler 6251-11-5440 for Komatsu

OEM / REF: 6251-11-5440SKU: pilotpart236375

Muffler Silencer 6251-11-5440 For Komatsu Excavator PC450-8 PC450LC-8 PC450LC-8R PC450-8R PC550LC-8 Engine SAA6D125E-5 is a Muffler replacement part indexed for Part Number and Komatsu Excavator PC450-8 PC450LC-8 PC450LC-8R PC450-8R PC550LC-8 Engine SAA6D125E-5 Muffler Silencer 6251-11-5440, with 3 application recor...

Stock
In stock
Condition
New
Fitment
Komatsu Engine Spare Parts
Category
Muffler
  • Fitment support before you order
  • Worldwide delivery options

Muffler Description

This Muffler is indexed for Part Number; Komatsu Excavator PC450-8 PC450LC-8 PC450LC-8R PC450-8R PC550LC-8 Engine SAA6D125E-5 Muffler Silencer 6251-11-5440; Model: PC450-8, PC450LC-8, PC450LC-8R, PC450-8R, PC450LCHD-8, PC550LC-8 Engine: SAA6D125E-5 Details: PC450LC-8 S/N A10001-UP PC400LC-8 S/N A88001-UP SAA6D125E-5F S/N 560001-UP SAA6D125E-5F S/N 560001-UP PC450-8 S/N K50001-UP, PC450LC-8 S/N K50001-UP, PC450LCHD-8 S/N K50001-UP SAA6D125E-5F-02 S/N 560001-UP PC450-8 S/N 70001-70003, PC450LC-8 S/N 70001-70003, PC400-8 S/N 70001-70003, PC400LC-8 S/N 70001-70003 SAA6D125E-5-FR S/N 660001-UP (For PC400-8R/PC400LC-8R/PC450-8R/PC450LC-8R) PC450-8R S/N 75001-UP, PC450LC-8R S/N 75001-UP, PC400LC-8R S/N 75001-UP, PC400-8R S/N 75001-UP SAA6D125E-5F S/N 562304-UP (For PC400-8/PC400LC-8/PC450-8/PC450LC-8/PC550LC-8) PC400LC-8 S/N 70001-UP, PC400-8 S/N 70001-UP, PC550LC-8 S/N 70458-UP, PC450-8 S/N 70001-UP, PC450LC-8 S/N 70001-UP. Compare reference number 6251-11-5440 against the label on your existing Komatsu component before ordering.

Additional cross references on file: PC450-8, PC450LC-8, PC450LC-8R. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Part Number
  • Komatsu Excavator PC450-8 PC450LC-8 PC450LC-8R PC450-8R PC550LC-8 Engine SAA6D125E-5 Muffler Silencer 6251-11-5440
  • Model: PC450-8, PC450LC-8, PC450LC-8R, PC450-8R, PC450LCHD-8, PC550LC-8 Engine: SAA6D125E-5 Details: PC450LC-8 S/N A10001-UP PC400LC-8 S/N A88001-UP SAA6D125E-5F S/N 560001-UP SAA6D125E-5F S/N 560001-UP PC450-8 S/N K50001-UP, PC450LC-8 S/N K50001-UP, PC450LCHD-8 S/N K50001-UP SAA6D125E-5F-02 S/N 560001-UP PC450-8 S/N 70001-70003, PC450LC-8 S/N 70001-70003, PC400-8 S/N 70001-70003, PC400LC-8 S/N 70001-70003 SAA6D125E-5-FR S/N 660001-UP (For PC400-8R/PC400LC-8R/PC450-8R/PC450LC-8R) PC450-8R S/N 75001-UP, PC450LC-8R S/N 75001-UP, PC400LC-8R S/N 75001-UP, PC400-8R S/N 75001-UP SAA6D125E-5F S/N 562304-UP (For PC400-8/PC400LC-8/PC450-8/PC450LC-8/PC550LC-8) PC400LC-8 S/N 70001-UP, PC400-8 S/N 70001-UP, PC550LC-8 S/N 70458-UP, PC450-8 S/N 70001-UP, PC450LC-8 S/N 70001-UP

Specifications

Part Number6251-11-5440,6251115440

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.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.