DX42 Ascent Deep Parts

The Ascent™ Deep X 42 gas fireplace is a traditionally styled gas fireplace that features a hand made premium split oak log set. This clean-faced fireplace has an extra-deep 22-inch firebox to ensure that every inch of the gorgeous fire can be enjoyed. Fully customize this beautiful fireplace with a multitude of optional fronts, backs, trim kits, and even additional logs and rocks. The optional heat management system reduces clearance to combustibles on installation for greater interior design flexibility. Meaning that you can place your favorite electronics and artwork closer to the fireplace without fear of heat damage. The Ascent™ Deep X 42 gas fireplace ensures your favorite space is more comfortable for years to come.

We offer the full line of OEM replacement parts currently available for Napoleon DX42 Ascent Deep gas fireplaces. If you cannot find the part you are looking for please call, e-mail or fill out our Parts Request Form and we will be happy to assist you.

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  • Napoleon Burner Orifice #57 - LP (W456-0057)
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    Napoleon Burner Orifice #57 - LP (W456-0057)

    Replacement propane (LP) burner orifice #57 for Napoleon gas stoves. Fits the following models: Napoleon Gas Stoves: B30 Ascent B36 Ascent BGD34 D42 DX42 EX36 EX42 WHD31 Napoleon part # W456-0057 OEM Napoleon part May fit other...
    $22.00
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  • Napoleon Female On/Off Jumper (W175-0355) Napoleon Female On/Off Jumper (W175-0355)
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    Napoleon Female On/Off Jumper (W175-0355)

    Replacement female on/off jumper for Napoleon gas stoves. Fits the following models:Napoleon Gas Stoves: AX36 Altitude AX42 Altitude DX42 GD26-1 Castlemore GDS25-1 Bayfield GDS26-1 Castlemore GX42-1 Ascent GX70NTE-1 Ascent HD81-1 High...
    $18.00
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  • Napoleon Pilot Orifice - NG (W455-0071) Napoleon Pilot Orifice - NG (W455-0071)
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    Napoleon Pilot Orifice - NG (W455-0071)

    Replacement natural gas (NG) pilot orifice for Napoleon gas stoves. Fits the following models:  Napoleon Gas Stoves:  D42 DX42 GD19 GDS25 GDS26 GSS48 GSS48ST HD35 HD35-1 HD40 HD40-1 HD46 HD46-1 HDX40 Napoleon part #...
    $10.00
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  • Napoleon Blower Wiring Harness (W750-0159)
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    Napoleon Blower Wiring Harness (W750-0159)

    Replacement blower wiring harness for Napoleon gas stoves. Fits the following models: NOTE: This is the wiring harness only. Napoleon Gas Stoves: AX36 Altitude AX42 Altitude DX42 GD82 Park Avenue GD82 Tureen GX70NTE-1 Ascent HDX40-1 High...
    $15.00
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  • Napoleon Pilot Orifice - LP (W455-0049)
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    Napoleon Pilot Orifice - LP (W455-0049)

    Replacement propane (LP) pilot orifice for Napoleon gas stoves. Fits the following models:  Napoleon Gas Stoves: D42 DX42 GD19 GDS25 GDS26 GSS48 GSS48ST HD35 HD35-1 HD40 HD40-1 HD46 HD46-1 HDX40 Napoleon part # W455-0049OEM...
    $10.00
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  • Napoleon 3 Prong Light / Fan Pigtail (W750-0358) Napoleon 3 Prong Light / Fan Pigtail (W750-0358)
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    Napoleon 3 Prong Light / Fan Pigtail (W750-0358)

    Replacement 3 prong light / fan pigtail for Napoleon gas stoves and service kits. Fits the following models: Napoleon Gas Stoves: AX36 AX42 DX42 EX36 EX42 GX70NTE-1 Ascent HDX35 STARfire 35 HDX52-2 STARfire 52 LV38-1 Vector LV50-2...
    $47.00
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    Napoleon Burner Orifice #44 - NG (W456-0044)

    Replacement natural gas (NG) burner orifice #44 for Napoleon gas stoves, fireplaces and log sets. Fits the following models: Napoleon Gas Fireplaces: B42 BGD48 DX42 - Rear GD33 GD34 GD1800 GDS25 Napoleon Gas Log...
    $22.00
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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.