Model 21 / FS21 Parts

Model 21 is available as either freestanding or as a masonry fireplace insert.

Model FS21 is the perfect freestanding unit with large ash pan for easy ash removal.

We offer the full line of OEM replacement parts currently available for Buck Model 21 and FS21 wood stoves. 

We may have some discontinued parts still in stock, as well as aftermarket options. 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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  • Buck 5/16" Hinge Pin (PO-516HINGE) Buck 5/16" Hinge Pin (PO-516HINGE)
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    Buck 5/16" Hinge Pin (PO-516HINGE)

    Replacement 5/16" adjustable hinge pin for Buck wood stoves. Fits the following models:  Buck Wood Stoves: Model 18 Model 20 Model 21 Model 26 Model 51 Model 80 Model 81 Model 91 Model FS21 Buck part # PO-516HINGEOEM Buck...
    $10.00
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  • Buck Model 21 Secondary Air Tube (PS-210026)
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    Buck Model 21 Secondary Air Tube (PS-210026)

    Replacement secondary air tube for Buck wood stoves. Sold individually. Fits the following models: NOTE: Some stoves may require more than 1 piece for complete replacement. Please order the quantity you require.Buck Wood Stoves: Buck 21 Buck...
    $33.00
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  • Buck Rheostat Knob (PE-BC204A)
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    Buck Rheostat Knob (PE-BC204A)

    Replacement rheostat knob for Buck gas and wood stoves. Fits the following models:Buck Wood Stoves: All Buck Woodstoves Buck Gas Fireplaces:  Buck BR10 Buck 19 Buck DV23ZC Buck 25 Buck 30 Buck 32 Buck 34 Buck 36 Buck 40 Buck...
    $8.00
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  • Aftermarket Buck 21 & 261 Baffle (2676A) Aftermarket Buck 21 & 261 Baffle (2676A)
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    Aftermarket Buck 21 & 261 Baffle (2676A)

    Aftermarket baffle board for Buck wood stoves. Fits the following models: NOTES: Some stoves may require more than 1 piece for complete replacement. Please order the quantity you require. Sold individually. This measures 19" x 9-1/2" x 1/2"...
    $56.50
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    Buck 21 & 74 Pedestal (FA-P8)

    Replacement pedestal for Buck wood stoves. Fits the following models: Buck Wood Stoves: Model 21 Model 74 Buck part # FA-P8OEM Buck part May fit other models, please check your owner’s manual for part number compatibility.
    $222.00
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    Buck 21 Complete Door Assembly (MA-212400)

    Replacement complete door assembly for Buck wood stoves. Fits the following models: Buck Wood Stoves: Model 21 Buck part # MA-212400OEM Buck part May fit other models, please check your owner’s manual for part number compatibility.
    $269.00
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    Buck 21 Round Motor Assembly (MA-210714A)

    Replacement round motor assembly for Buck wood stoves. Fits the following models: Buck Wood Stoves: Model 21 Buck part # MA-210714AOEM Buck part May fit other models, please check your owner's manual for part number compatibility.
    $210.00
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    Buck Model 21 Flat Motor Assembly (MA-210714)

    Replacement flat motor assembly for Buck wood stoves. Fits the following models: Buck Wood Stoves: Model 21 Buck part # MA-210714AOEM Buck part May fit other models, please check your owner's manual for part number compatibility.
    $210.00
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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.