GS3500 Parts

We carry all available Napoleon GS3500 Outdoor Gas Fireplace parts. We have burners, gas valves, thermocouples, thermopiles, logs and much more. If you need help locating a part please call, e-mail or fill out our Parts Request Form and we will be happy to assist you.

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  • Napoleon GS3500 Front Glass Gasket (W562-0014) Napoleon GS3500 Front Glass Gasket (W562-0014)
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    Napoleon GS3500 Front Glass Gasket (W562-0014)

    Replacement front glass gasket for Napoleon gas stoves. Fits the following models: NOTE: Measures 7/8" in diameter and 75" long, includes one piece of gasket. Napoleon Gas Stoves: GS3500 Napoleon part # W562-0014 OEM Napoleon part May fit...
    $33.00
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  • Napoleon Pilot Extension Knob (W380-0007) Napoleon Pilot Extension Knob (W380-0007)
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    Napoleon Pilot Extension Knob (W380-0007)

    Replacement pilot extension knob for Napoleon gas stoves. Fits the following models: NOTE: This is not a knob replacement. This only extends the current knob. If your knob needs replacing, you will need to replace the whole valve, as valves are not...
    $6.00
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  • Napoleon Pilot Orifice - LP (W455-0024) Napoleon Pilot Orifice - LP (W455-0024)
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    Napoleon Pilot Orifice - LP (W455-0024)

    Replacement propane (LP) pilot orifice for Napoleon gas stoves. Fits the following models: Napoleon Gas Stoves: GB20 - Pre Serial # 852 GD16 GD17 GD22 - with quick acting thermocouple GD25 - with quick acting thermocouple GD27 GD33 - SIT GD40...
    $15.00
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  • Napoleon Pilot Orifice - NG (W455-0023) Napoleon Pilot Orifice - NG (W455-0023)
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    Napoleon Pilot Orifice - NG (W455-0023)

    Replacement natural gas (NG) pilot orifice for Napoleon gas stoves. Fits the following models: Napoleon Gas Stoves: GB20 - Pre Serial # 852 GD16 GD17 GD22 - with quick acting thermocouple GD25 - with quick acting thermocouple GD27 GD33 -...
    $16.00
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  • Napoleon GS3500 Side Glass Gasket (W562-0015)
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    Napoleon GS3500 Side Glass Gasket (W562-0015)

    Replacement side glass gasket for Napoleon gas stoves. Fits the following models: NOTE: Measures 7/8" wide and 75" long, includes one piece of gasket. Napoleon Gas Stoves: GS3500 Napoleon part # W562-0014Replaces part # W562-0011OEM Napoleon...
    $27.00
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  • Napoleon & Timberwolf Power Cord (W750-0190)
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    Napoleon & Timberwolf Power Cord (W750-0190)

    Replacement power cord for Napoleon and Timberwolf wood and gas stoves. This part measures 7 feet long. Fits the following models:Napoleon Wood Stoves: EPA 1000/1500/2000 EPI 1401 EPI 1600 NC12 NC16 NFI-C (Classic) NFI-D (Deluxe) Timberwolf...
    $36.00
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  • Napoleon GS3500 Front Glass w/Gasket (W010-0441)
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    Napoleon GS3500 Front Glass w/Gasket (W010-0441)

    Replacement front glass with gasket for Napoleon gas stoves. This part measures 20-3/4" x 13-7/8". Fits the following models: Napoleon Gas Stoves: GS3500 Napoleon part # W010-0441 OEM Napoleon part May fit other models, please check your...
    $205.00
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  • Napoleon GS3500 Burner Assembly - NG/LP (W010-0399) Napoleon GS3500 Burner Assembly - NG/LP (W010-0399)
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    Napoleon GS3500 Burner Assembly - NG/LP (W010-0399)

    Replacement natural gas (NG) or propane (LP) burner assembly for Napoleon gas stoves. Fits the following models: Napoleon Gas Stoves: GS3500 Napoleon part # W010-0399 OEM Napoleon part May fit other models, please check your owner’s...
    $359.00
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Why Buy Parts from Mountain View Hearth Products?

We’re the world’s largest source for stove, fireplace, grill, and appliance repair parts. Whether you’re fixing a decades-old wood stove or replacing a worn-out control board on a high-end grill, we make it easy to get the right part — fast.

We stock both original manufacturer parts and high-quality alternatives — so you get the same great fit and performance, often with more affordable options to choose from.

Most sellers only carry the basics like blowers and igniters. We go deeper — with brackets, trim, switches, control panels, gaskets, screws, and more. If your unit has it, chances are, we carry it.