How do I confirm pilotpart236816 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 173-7129 for Caterpillar CAT Dozer D5M Pipelayer 561M

For Caterpillar Muffler

Muffler CA1737129 for Caterpillar

Q: What part numbers are associated with this Muffler?

CA1737129, 173-7129, 561M, CA1703309, 170-3309, CA1158408, 115-8408

OEM / REF: CA1737129SKU: pilotpart236816

Muffler Silencer 173-7129 for Caterpillar CAT Dozer D5M Pipelayer 561M is a Muffler replacement part indexed for Part Number and Caterpillar s: For Caterpillar CAT Track-Type Pipelayer:561M For Caterpillar CAT Track-Type Tractor:D5M, D5M LGP, D5M XL. Match OEM part number CA1737129 and confirm fitment for Caterpilla...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$581.35USD/EA

~~$75,280.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 22 – Aug 29
10	Aug 20 – Aug 27
50	Aug 18 – Aug 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.

Confirm fitment before ordering →

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

Muffler Description

This Muffler is indexed for Part Number; Caterpillar s: For Caterpillar CAT Track-Type Pipelayer:561M For Caterpillar CAT Track-Type Tractor:D5M, D5M LGP, D5M XL. Compare reference number CA1737129 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 173-7129, 561M, CA1703309. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1737129 173-7129561MCA1703309 170-3309 CA1158408 115-8408

Applications

Part Number
Caterpillar s: For Caterpillar CAT Track-Type Pipelayer:561M For Caterpillar CAT Track-Type Tractor:D5M, D5M LGP, D5M XL

Specifications

Part Number	CA1737129, 173-7129, 1737129

Fitment Notes

Brand or application signal: Caterpillar 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.