Homelite DF3500H-14400 Muffler Complete Assembly – Genuine OEM Replacement Engine Muffler

Part Number: DF3500H-14400
Category: Generator Engine Mufflers, Exhaust & Replacement Parts
Type: Muffler Complete Assembly – Genuine OEM Replacement Engine Muffler

The Homelite DF3500H-14400 Muffler Complete Assembly is a genuine OEM replacement engine exhaust component designed for select Homelite and Black Max portable generators. Installed at the engine exhaust outlet, the muffler assembly routes exhaust gases away from the engine while helping reduce exhaust noise during generator operation.

Product Specifications

• Part Number: DF3500H-14400
• Manufacturer: Homelite
• Product Type: Muffler Complete Assembly
• OEM Description: Muffler Comp / Muffler Assembly
• Component Type: Engine Exhaust Component
• Function: Routes Engine Exhaust & Helps Reduce Exhaust Noise
• System: Engine Exhaust / Muffler Assembly
• Application: Portable Generator
• Compatible Brands: Homelite / Black Max
• Confirmed Generator Classes: 3,500 / 3,600 / 3,650 Watt
• Component Location: Engine Exhaust Outlet
• Diagram Position: Item 39 on documented generator assemblies
• Associated Exhaust Gasket: DJ168F-14006
• Associated Mounting Nut: GB6170-N-8
• Replacement Type: Direct OEM Replacement
• OEM Status: Genuine Homelite OEM Part
• Condition: New
• Quantity Used: 1 per documented generator assembly

Factory parts diagrams for compatible Homelite and Black Max generators identify DF3500H-14400 as item 39, Muffler Assembly, with one muffler used per applicable generator.

Features & Benefits

• Genuine Homelite OEM replacement engine muffler
• Factory-designated Muffler Complete / Muffler Assembly
• Designed for compatible Homelite and Black Max portable generators
• Installs at the engine exhaust outlet
• Routes combustion exhaust gases away from the engine
• Helps reduce engine exhaust noise during operation
• Designed to match the original equipment exhaust configuration
• Works with the applicable factory exhaust gasket and mounting hardware
• Helps restore a generator with a damaged or deteriorated muffler
• Maintains the engine's original factory exhaust configuration
• Suitable for generator engine maintenance, repair, and restoration
• Ideal replacement for rusted, cracked, perforated, excessively corroded, damaged, or missing mufflers
• Direct replacement for equipment requiring part number DF3500H-14400
• Genuine OEM component rather than a universal aftermarket muffler

Applications

Documented applications include:

• Homelite UT903655DA 3,650-Watt Generator
• Black Max BM903500 3,500-Watt Generator
• Black Max BM903511 3,500-Watt Generator
• Black Max BM903600 3,600-Watt Generator
• Black Max BM903611 3,600-Watt Generator
• Black Max BM903655DA 3,650-Watt Generator
• Select additional Homelite portable generator applications
• Select Black Max portable generator applications
• Generator engine exhaust system repair
• Muffler and exhaust restoration
• OEM replacement applications requiring DF3500H-14400

The Homelite UT903655DA parts diagram identifies DF3500H-14400 as the Muffler Assembly at item 39. The same part is documented on Black Max BM903511, BM903600/BM903611, BM903500, and related generator platforms.

Important Notes

• Verify compatibility with your specific generator model, manufacturing number, engine model, serial number, and production revision before ordering.
• Homelite OEM suppliers identify DF3500H-14400 specifically as “MUFFLER COMP.”
• Factory generator diagrams identify the same component as “Muffler Assembly.”
• The Homelite UT903655DA is a documented application for part number DF3500H-14400.
• Documented Black Max applications include the BM903500, BM903511, BM903600, BM903611, and BM903655DA generator platforms.
• Factory documentation identifies DF3500H-14400 as item 39 within the applicable engine muffler assembly.
• The muffler assembly is installed with the separate DJ168F-14006 Exhaust Gasket and applicable GB6170-N-8 Hex Nuts on documented generator assemblies.
• Do not confuse DF3500H-14400 Muffler Assembly with the exhaust gasket, muffler mounting hardware, valve cover, cylinder head, or other engine exhaust components.
• Inspect the exhaust gasket, mounting studs, nuts, cylinder-head exhaust port, muffler mounting points, and surrounding components when replacing the muffler.
• Replace a damaged or deteriorated exhaust gasket when necessary to help maintain a proper exhaust connection.
• If the original muffler is cracked, heavily rusted, or damaged from impact, inspect the mounting points and engine exhaust outlet for additional damage.
• Exhaust components can become extremely hot during generator operation. Allow the engine and muffler to cool completely before performing service.
• Never operate a portable generator inside a home, garage, basement, enclosed structure, or other area where dangerous exhaust gases can accumulate.
• Install the replacement muffler in the same factory position and orientation as the original component.
• This listing is for one Homelite DF3500H-14400 Muffler Complete Assembly only unless otherwise specified. Exhaust gaskets, mounting nuts, studs, heat shields, valve covers, and other engine components are sold separately.
• Match part number DF3500H-14400 with your generator's illustrated parts diagram or OEM documentation before ordering to ensure proper fitment.