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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-007163 · Mufflers

6N0731 Muffler – Fits Caterpillar

CAD 340.33

In stock

Muffler – reference 6N0731. Catalogue-listed applications: Caterpillar D7, D7F, D7G, D7G LGP, D7G SA, 977L, 571G. 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-007163
Reference numbers
6N0731, 9S9996, MUK40-0080
Listed package quantity
1
Product information and configuration
Quantity indicated in catalogue: 1

Replacement part: New Muffler 6N0731 Fits Caterpillar 977L D7G D7GLGP D7GSA. 

Configuration: Muffler Fits Caterpillar (Fits CAT) Crawler Dozers, Loaders, and Pipelayers
This exhaust muffler is a direct aftermarket replacement Fits Caterpillar construction equipment powered by the 3306 engine, including D7G and D7G LGP crawler dozers, 977L track loaders, and 571G and 572G pipelayers, as well as D7 and D7F models. It replaces OEM part numbers 6N0731 and 9S9996. Note: serial number prefixes confirmed for this muffler include 94N, 45W, 72W, 65W, and 44W -- verify your machine's serial number prefix before ordering to confirm fitment.
Compatible Models
Fits Caterpillar Crawler Dozers: D7, D7F, D7G, D7G LGP, D7G SA
Fits Caterpillar Track Loaders: 977L
Fits Caterpillar Pipelayers: 571G, 572G
Replaces Part Number(s):
6N0731, 9S9996, MUK40-0080
New aftermarket replacement part - not remanufactured, not used.

Reference numbers: 6N0731, 9S9996, MUK40-0080

Catalogue-listed applications

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

  • Caterpillar D7
  • Caterpillar D7F
  • Caterpillar D7G
  • Caterpillar D7G LGP
  • Caterpillar D7G SA
  • Caterpillar 977L
  • Caterpillar 571G
  • Caterpillar 572G
Application notes
  • One New Aftermarket Replacement Muffler Fits Caterpillar (Fits CAT) Crawler Dozers, Loaders, and Pipelayers
  • This exhaust muffler is a direct aftermarket replacement Fits Caterpillar construction equipment powered by the 3306 engine, including D7G and D7G LGP crawler dozers, 977L track loaders, and 571G and 572G pipelayers, as well as D7 and D7F models. It replaces OEM part numbers 6N0731 and 9S9996. Note: serial number prefixes confirmed for this muffler include 94N, 45W, 72W, 65W, and 44W -- verify your machine's serial number prefix before ordering to confirm fitment.
  • New aftermarket replacement part - not remanufactured, not used.

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