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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 6732-11-5840 6732-11-5550 for Komatsu Excavator PC100-6 PC120-6 PC130-6 PC128UU-1 PC128US-1 PC128UU-2 Engine 4D102

For Komatsu Muffler

Muffler 6732-11-5840 for Komatsu

OEM / REF: 6732-11-5840SKU: pilotpart236669

Muffler 6732-11-5840 6732-11-5550 for Komatsu Excavator PC100-6 PC120-6 PC130-6 PC128UU-1 PC128US-1 PC128UU-2 Engine 4D102 is a Muffler replacement part indexed for Part Number and Komatsu Excavator: PC100-6,PC100-6S,PC100-6Z,PC100L-6,PC120-6,PC120-6H,PC120-6J,PC120-6S,PC138USLC-2 PC120-6Z,PC120LC-6,PC128US-1,PC128U...

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

$385.78USD/EA

~~$75,280.00~~Save 99%

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

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; Komatsu Excavator: PC100-6,PC100-6S,PC100-6Z,PC100L-6,PC120-6,PC120-6H,PC120-6J,PC120-6S,PC138USLC-2 PC120-6Z,PC120LC-6,PC128US-1,PC128US-2,PC128UU-1,PC128UU-2,PC130-6,PC130-6G,PC138US-2 Details: SAA4D102E-2F-4 S/N 26274903-UP » » PC130-6E0-T2 S/N 60001-UP, PC120-6E0-T2 S/N 70001-UP SAA4D102E-2F-4 S/N 26277757-UP » » PC120-6E0 S/N 70001-UP (SAA4D102E-2 (Emission) Eng. Installed), PC120LC-6E0 S/N 70001-UP (SAA4D102E-2 (Emission) Eng. Installed) S4D102E-1E-23 S/N 26200163-UP » » PC120-6Z S/N 45001-UP (For C.I.S. Excel Spec.) S4D102E-1F-2 S/N 26200163-UP » » PC128UU-1 S/N 1001-UP S4D102E-1F-2U S/N 26200163-UP » » PC128US-1 S/N 1001-UP S4D102E-1E-2Z S/N 26200163-UP » » PC120-6Z S/N 45001-UP S4D102E-1E-2 S/N 26200163-UP » » PC120-6 S/N 45001-UP, PC130-6 S/N 45001-UP, PC120LC-6 S/N 45001-UP (Overseas Version) S4D102E-1E S/N 26200163-UP » S4D102E-1D-2 S/N 26200163-UP » » PC100L-6 S/N 15001-UP, PC100-6Z S/N 40001-UP (Excel Spec.), PC100-6 S/N 40001-UP S4D102E-1D S/N 26200163-UP » » PC100L-6 S/N 15001-UP, PC100-6S S/N 40001-UP, PC100-6 S/N 40001-UP, PC100-6Z S/N 40001-UP S4D102E-1D S/N 26200163-UP » S4D102E-1E-A S/N 26200001-26200162 » » PC130-6E S/N 45001-UP, PC120-6E S/N 45001-UP S4D102E-1E S/N 26200163-UP » » PC130-6 S/N 45001-UP, PC120-6H S/N 45001-UP, PC120SC-6 S/N 10001-UP, PC120-6J S/N 45001-UP, PC130-6G S/N 45001-UP, PC120-6 S/N 45001-UP, PC120-6S S/N 45001-UP S4D102E-1F S/N 26200163-UP » S4D102E-1F S/N 26200163-UP » » PC128UU-1 S/N 1001-UP S4D102E-1AE S/N 26213103-UP » » PC130-6K S/N K30001-UP, PC150LGP-6K S/N K35001-UP S4D102E-1V-2 S/N 26200163-UP » » PC128US-2 S/N 5001-9500 (For EU), PC128US-2 S/N 5001-9500 (For North America), PC128UU-2 S/N 5001-UP (For North America), PC138USLC-2 S/N 1001-UP S4D102E-1V S/N 26200163-UP » » PC128US-2 S/N 5001-9500, PC128UU-2 S/N 5001-UP, PC138US-2 S/N 1001-UP S4D102E-1E-2 S/N 26200163-UP » » PC120LC-6 S/N 45001-UP (Overseas Version), PC120-6 S/N 45001-UP, PC130-6 S/N 45001-UP S4D102E-1D-2 S/N 26200163-UP » » PC100-6Z S/N 40001-UP (Excel Spec.), PC100-6 S/N 40001-UP, PC100L-6 S/N 15001-UP S4D102E-1F-US S/N 26200163-UP » » PC128US-1 S/N 1001-UP S4D102E-1F-US S/N 26200163-UP » S4D102E-1E-Z S/N 26200163-UP » S4D102E-1E S/N 26200163-UP » » PC120-6H S/N 45001-UP, PC120SC-6 S/N 10001-UP, PC120-6J S/N 45001-UP, PC130-6G S/N 45001-UP, PC120-6 S/N 45001-UP, PC120-6S S/N 45001-UP, PC130-6 S/N 45001-UP S4D102E-1V S/N 26200163-UP ». Compare reference number 6732-11-5840 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 6732-11-5550, 6205-11-5290, 6205-11-5320. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

6732-11-5840 6732-11-5550 6205-11-5290 6205-11-5320

Applications

Part Number
Komatsu Excavator: PC100-6,PC100-6S,PC100-6Z,PC100L-6,PC120-6,PC120-6H,PC120-6J,PC120-6S,PC138USLC-2 PC120-6Z,PC120LC-6,PC128US-1,PC128US-2,PC128UU-1,PC128UU-2,PC130-6,PC130-6G,PC138US-2 Details: SAA4D102E-2F-4 S/N 26274903-UP » » PC130-6E0-T2 S/N 60001-UP, PC120-6E0-T2 S/N 70001-UP SAA4D102E-2F-4 S/N 26277757-UP » » PC120-6E0 S/N 70001-UP (SAA4D102E-2 (Emission) Eng. Installed), PC120LC-6E0 S/N 70001-UP (SAA4D102E-2 (Emission) Eng. Installed) S4D102E-1E-23 S/N 26200163-UP » » PC120-6Z S/N 45001-UP (For C.I.S. Excel Spec.) S4D102E-1F-2 S/N 26200163-UP » » PC128UU-1 S/N 1001-UP S4D102E-1F-2U S/N 26200163-UP » » PC128US-1 S/N 1001-UP S4D102E-1E-2Z S/N 26200163-UP » » PC120-6Z S/N 45001-UP S4D102E-1E-2 S/N 26200163-UP » » PC120-6 S/N 45001-UP, PC130-6 S/N 45001-UP, PC120LC-6 S/N 45001-UP (Overseas Version) S4D102E-1E S/N 26200163-UP » S4D102E-1D-2 S/N 26200163-UP » » PC100L-6 S/N 15001-UP, PC100-6Z S/N 40001-UP (Excel Spec.), PC100-6 S/N 40001-UP S4D102E-1D S/N 26200163-UP » » PC100L-6 S/N 15001-UP, PC100-6S S/N 40001-UP, PC100-6 S/N 40001-UP, PC100-6Z S/N 40001-UP S4D102E-1D S/N 26200163-UP » S4D102E-1E-A S/N 26200001-26200162 » » PC130-6E S/N 45001-UP, PC120-6E S/N 45001-UP S4D102E-1E S/N 26200163-UP » » PC130-6 S/N 45001-UP, PC120-6H S/N 45001-UP, PC120SC-6 S/N 10001-UP, PC120-6J S/N 45001-UP, PC130-6G S/N 45001-UP, PC120-6 S/N 45001-UP, PC120-6S S/N 45001-UP S4D102E-1F S/N 26200163-UP » S4D102E-1F S/N 26200163-UP » » PC128UU-1 S/N 1001-UP S4D102E-1AE S/N 26213103-UP » » PC130-6K S/N K30001-UP, PC150LGP-6K S/N K35001-UP S4D102E-1V-2 S/N 26200163-UP » » PC128US-2 S/N 5001-9500 (For EU), PC128US-2 S/N 5001-9500 (For North America), PC128UU-2 S/N 5001-UP (For North America), PC138USLC-2 S/N 1001-UP S4D102E-1V S/N 26200163-UP » » PC128US-2 S/N 5001-9500, PC128UU-2 S/N 5001-UP, PC138US-2 S/N 1001-UP S4D102E-1E-2 S/N 26200163-UP » » PC120LC-6 S/N 45001-UP (Overseas Version), PC120-6 S/N 45001-UP, PC130-6 S/N 45001-UP S4D102E-1D-2 S/N 26200163-UP » » PC100-6Z S/N 40001-UP (Excel Spec.), PC100-6 S/N 40001-UP, PC100L-6 S/N 15001-UP S4D102E-1F-US S/N 26200163-UP » » PC128US-1 S/N 1001-UP S4D102E-1F-US S/N 26200163-UP » S4D102E-1E-Z S/N 26200163-UP » S4D102E-1E S/N 26200163-UP » » PC120-6H S/N 45001-UP, PC120SC-6 S/N 10001-UP, PC120-6J S/N 45001-UP, PC130-6G S/N 45001-UP, PC120-6 S/N 45001-UP, PC120-6S S/N 45001-UP, PC130-6 S/N 45001-UP S4D102E-1V S/N 26200163-UP »

Specifications

Part Number	6732-11-5840, 6732-11-5550, 6205-11-5290, 6205-11-5320, 6732115840, 6732115550, 6205115290, 6205115320

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.