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6N0731 Muffler – Fits Caterpillar
6N0731 Muffler – Fits Caterpillar – additional image 26N0731 Muffler – Fits Caterpillar – additional image 36N0731 Muffler – Fits Caterpillar – additional image 4

NC-008454 · Mufflers

6N0731 Muffler – Fits Caterpillar

CAD 340.33

In stock

Muffler – reference 6N0731. Catalogue-listed applications: Caterpillar D7F, D7G, D7G SA, D7GLGP, 977L, 571G, 572G. View photos, specifications, CAD pricing and delivery options from NorthCore.

Standard delivery: 3–7 business days. Other services and estimates are shown at checkout. Minimum online order: CAD 100 in parts, excluding shipping and tax. Add this part to your cart to calculate delivery and review your order.

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Part specifications and references

NorthCore code
NC-008454
Reference numbers
6N0731, 9S9996
Listed package quantity
1
Product information and configuration
Quantity indicated in catalogue: 1

Replacement part: Muffler Fits Caterpillar D7F D7G 977L 571G 572G Loader Dozer. 

Configuration: Muffler for Caterpillar (Cat) Crawler Dozers, Loaders, and Pipelayers
This aftermarket replacement muffler fits Caterpillar D7F, D7G, 977L, 571G, and 572G crawler dozers, track loaders, and pipelayers. It is a direct replacement for the exhaust muffler on these machines, restoring proper exhaust flow and sound attenuation to keep your equipment running efficiently.
Compatible Models
Caterpillar Crawler Dozers: D7F, D7G, D7G SA, D7GLGP
Caterpillar Track Loaders: 977L
Caterpillar Pipelayers: 571G, 572G
Replaces Part Number(s):
6N0731, 9S9996
Aftermarket Interchange Numbers
MUK40-0080
New aftermarket replacement part - not remanufactured, not used.

Reference numbers: 6N0731, 9S9996

Catalogue-listed applications

Use these as reference information. Check the part numbers, specifications and any application restrictions against your equipment.

  • Caterpillar D7F
  • Caterpillar D7G
  • Caterpillar D7G SA
  • Caterpillar D7GLGP
  • Caterpillar 977L
  • Caterpillar 571G
  • Caterpillar 572G
Application notes
  • One New Aftermarket Replacement Muffler for Caterpillar (Cat) Crawler Dozers, Loaders, and Pipelayers
  • This aftermarket replacement muffler fits Caterpillar D7F, D7G, 977L, 571G, and 572G crawler dozers, track loaders, and pipelayers. It is a direct replacement for the exhaust muffler on these machines, restoring proper exhaust flow and sound attenuation to keep your equipment running efficiently.
  • Aftermarket Interchange Numbers
  • New aftermarket replacement part - not remanufactured, not used.

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