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Description
1146 140 0603 Muffler | Genuine STIHL OEM Replacement
The STIHL 1146 140 0603 Muffler is a genuine STIHL OEM exhaust component designed for compatible MS 151 TC-E and MS 151 C-E chainsaws. The muffler is part of the cylinder and ignition-system assembly and helps manage engine exhaust gases and reduce exhaust noise.
Features That Make a Difference
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Genuine STIHL OEM replacement part
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Part Number: 1146 140 0603
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Alternate Part Number: 11461400603
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Product Type: Muffler
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Designed for compatible STIHL MS 151 series chainsaws.
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Used with the Cylinder with Piston / Ignition System assembly.
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Helps direct and control engine exhaust gases.
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Designed to help reduce exhaust noise.
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OEM-engineered for proper fit and mounting.
Benefits
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Replaces a damaged, corroded, or worn muffler.
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Helps restore the proper exhaust configuration.
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Supports proper exhaust-gas routing away from the engine.
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Helps reduce engine exhaust noise.
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Genuine STIHL construction provides correct fit and compatibility.
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Ideal for chainsaw repair and maintenance.
Specifications
| Specification | Details |
|---|---|
| Part Number | 1146 140 0603 |
| Alternate Part Number | 11461400603 |
| Product | Muffler |
| Brand | STIHL |
| Product Type | Engine Exhaust Component |
| Assembly | Cylinder with Piston / Ignition System |
| Applications | MS 151 TC-E / MS 151 C-E |
| Part Type | Genuine OEM Replacement |
Compatibility
The 1146 140 0603 Muffler is listed for:
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MS 151 TC-E — Cylinder with piston / Ignition system
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MS 151 C-E — Cylinder with piston / Ignition system
Always verify the exact chainsaw model and parts diagram before ordering.
What Does the Muffler Do?
The muffler is part of the chainsaw's exhaust system. It receives exhaust gases from the engine and helps control the way those gases are released.
Its internal design also helps reduce the noise produced by the combustion process.
A properly installed muffler is important for maintaining the intended exhaust-system configuration and safe operation of the chainsaw.
Signs Your Muffler May Need Replacement
Inspect the muffler if you notice:
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Cracks or holes.
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Severe corrosion.
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Loose or broken mounting points.
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Excessive exhaust noise.
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Visible exhaust leakage.
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Damage around the muffler outlet.
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Carbon buildup or physical damage that affects the exhaust system.
A damaged muffler should be replaced rather than operated in a compromised condition.
Installation and Maintenance
Because the muffler is exposed to high temperatures, allow the chainsaw to cool completely before servicing it.
When replacing the muffler:
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Shut off the chainsaw and allow the engine to cool.
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Inspect the muffler and surrounding components.
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Remove the existing muffler according to the applicable STIHL service procedure.
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Install the 1146 140 0603 Muffler using the correct mounting hardware and gasket components where required.
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Confirm that the muffler is securely mounted.
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Inspect the exhaust area for leaks before returning the chainsaw to service.
Always follow the applicable STIHL service and safety instructions.
Important Compatibility Note
This muffler is listed for the MS 151 TC-E and MS 151 C-E under the Cylinder with Piston / Ignition System assembly.
STIHL equipment can have model- and production-specific configurations, so verify your exact model and parts diagram before purchasing.
Why Buy from Barry’s Power Equipment?
Barry’s Power Equipment provides quality OEM and replacement parts for lawn, garden, and outdoor power equipment.
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Genuine OEM replacement parts
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Quality products for residential and commercial equipment
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Competitive Pricing
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Fast Shipping
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Expert Customer Support
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Reliable parts for professional equipment repair and maintenance
Keep your compatible STIHL chainsaw's exhaust system in proper working condition with the STIHL 1146 140 0603 Muffler, a genuine OEM replacement for MS 151 TC-E and MS 151 C-E models.
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