York J20DM Parts

20-ton rooftop unit · electric/electric and gas/electric · 13 models

1

Find your model number. It’s on the metal label on the side of the unit. It starts with J20DM.

2

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Parts for York J20DM units (128)

Compressors & coils

Distributor Assembly, 2 Tube, 3/8 x 3/8, 1.31" Part # S1-02623209000 $21.36 View & buy → Condenser Coil, Front, 20 Ton Part # S1-37306295700 $9,374.32 View & buy → Condenser Coil, Rear, 20 Ton Part # S1-37306296700 $8,063.41 View & buy → Distributor Assembly, 7 Tube, 7/8 ID x 1/4 OD, 30" Part # S1-02211492000 $309.50 View & buy → Heat Exchanger, 6 Tube, SS, 47.906 Tall Part # S1-36393846011 $6,329.45 View & buy → Heat Exchanger, 6 Tube, 47.906 Tall Part # S1-36393846701 $3,687.79 View & buy →

Motors

Blower Motor, 7.5 HP, 1770, 208-230/460V 3-Phase 60Hz Part # S1-02439476000 $1,306.20 View & buy → Condenser Fan Motor, 1.25 HP, 1140 RPM, 460V 3-phase 60 Hz Part # S1-02432068002 $1,445.32 View & buy → Venter Motor, 1/10 HP, 3400 RPM, clockwise, 460V 1-phase 60 Hz Part # S1-02425005004 $545.68 View & buy → Condenser Fan Motor, 1.25 HP, 1140 RPM, 208/230V 3-phase 60 Hz Part # S1-02432068001 $1,163.86 View & buy → Venter Motor 1/10 HP, 3400 RPM, CW, 208/230V 1-Phase 60 Hz, Fasco K33HXCAF-867 Part # S1-02425005701 $523.76 View & buy →

Fans & blower wheels

Blower Wheel, 18 x 15, Reverse, 1-3/16"BORE Part # S1-02625529703 $778.89 View & buy → Propeller Fan, 30", CW, 3-21, 5/8"BORE Part # S1-02625553000 $168.41 View & buy → Blower Wheel, Venter, 4 x 2, counter-clockwise, 3/8 Bore Lower Part # S1-02632625700 $96.80 View & buy → Blower Wheel, Venter, 4 x 2, clockwise, 3/8 Bore Upper Part # S1-02632626700 $96.80 View & buy → Propeller Fan, 24, CW, 4-32, 1/2 Bore Part # S1-02625558000 $239.14 View & buy →

Gas valves & burners

Gas Valve, Natural Gas, 24V, 3/4 x 1/2 in., White-Rodgers 36H32-466 Part # S1-02527720700 $324.29 View & buy → Gas Burner, Venturi Part # S1-02927069000 $84.02 View & buy → Manifold, Gas, 6-8 Tubes Part # S1-02927110000 $196.79 View & buy → Crossover, Gas Part # S1-02920404000 $143.87 View & buy →

Igniters & flame sensors

Flame Sensor, with 34" Lead Part # S1-02538950000 $30.04 View & buy → Spark Igniter, 34 in. Lead Part # S1-02538951000 $46.30 View & buy → Spark Igniter, 25K, 28 in. Lead Part # S1-02539887000 $44.43 View & buy → Orifice, Burner #30 (.1285) Part # S1-02920423030 $20.63 View & buy → Orifice, Pilot #65 (.035) Part # S1-02920422065 $15.96 View & buy → Temperature Sensor, 144 Lead Part # S1-03100878003 $189.09 View & buy → Board Control, Vav/Economizer Expansion W/Communication Part # S1-03109182000 $605.15 View & buy →

Valves & filter driers

Valve, TXV Hot Gas Bypass 5/8 ODF PSIG 0-80 Part # S1-02208989000 $733.15 View & buy →

Electrical parts & harnesses

Harness Wire, S15-1 Part # S1-02537487004 $38.43 View & buy → Wiring Harness, S15, Jumper Part # S1-02550568000 $31.65 View & buy → Harness, Wire S12 Jumper Part # S1-02537487005 $14.49 View & buy → Bracket, Actuator Arm Part # S1-02922212000 $76.51 View & buy → Relay Control, 24V, 50/60 HZ, SPST Part # S1-02421678700 $46.44 View & buy → Harness Wire, S15-3 Part # S1-02537487007 $54.17 View & buy → Novar Harness Part # S1-02537487008 $24.83 View & buy → Holder Fuse, 3 Pole, 60 Amp, 600V Part # S1-02518285000 $107.19 View & buy → Wiring Harness, Actuator, Belimo Part # S1-02537430033 $104.55 View & buy → Harness Wire, S16-SFTY, Switch Part # S1-02537487013 $23.77 View & buy → Crankarm Actuator Part # S1-02922116000 $471.03 View & buy → Relay, 24V, 3PDT Part # S1-02435717000 $286.48 View & buy → Relay, 24V, DPDT, 10 Amp Part # S1-02435718000 $142.73 View & buy → Auxiliary Switch, 1 SPDT W/.250 QC Terminals Part # S1-02435798000 $36.81 View & buy → Fuse 20A 600V Part # S1-02512804900 $37.85 View & buy → Holder Fuse, 3 Pole, 60 Amp, 250V Part # S1-02518283000 $103.28 View & buy → Transformer, 240/480V, 120/240V/3000VA, 60 HZ Part # S1-02532762000 $1,890.16 View & buy → Electric Harness, Dpt Part # S1-02541188000 $32.61 View & buy → Electric Harness, P24 Part # S1-02541190000 $71.83 View & buy → Electric Harness, Communication Part # S1-02541192000 $101.70 View & buy → Harness, Wiring Kohls P24 Part # S1-02541244000 $64.30 View & buy → Board Control, Vav/Economizer, Expansion W/Communication Part # S1-03103007000 $619.93 View & buy → Controller, VFD, Programmed, 7.5HP, L540, 9.7A, 480/3/60 Part # S1-6112152 $1,221.14 View & buy → Relay Control, 22V, SPST Part # S1-02425986000 $37.81 View & buy → Breaker, Circuit, 3 Pole, 60A, 600V Part # S1-02441166000 $687.48 View & buy → Electric Harness, M3-AUX Part # S1-02541189000 $54.47 View & buy → Harness, Wiring Kohls P27 Part # S1-02541246000 $64.30 View & buy → Harness, Wiring Kohls P30 Part # S1-02541247000 $23.77 View & buy → Harness, Wiring Kohls S30 Part # S1-02541248000 $161.55 View & buy → Boot, Capacitor, Rubber Part # S1-02804133000 $4.57 View & buy → Contactor, 3-pole, 40A, 24V, 50/60 Hz Part # S1-5882873 $92.12 View & buy → Breaker, Circuit, 3 Pole, 125A, 240V Part # S1-02435766000 $1,867.33 View & buy → Breaker, Circuit, 110.0A, 600V, 3POLE Part # S1-02439525000 $1,819.90 View & buy → Breaker, Circuit, 3 Pole, 70A, 600V Part # S1-02441152000 $588.35 View & buy → Breaker, Circuit, 3 Pole, 80A, 600V Part # S1-02441160000 $685.26 View & buy → Fuse, Dual Cartridge Time Delay, 600V, 30A Part # S1-02504650900 $19.24 View & buy →

Switches, sensors & controls

Temperature Control, 60 Open, 70 Close, SPST Part # S1-02527723001 $78.29 View & buy → Temperature Control, 26 Open, 38 Close, SPST Part # S1-02527727002 $48.24 View & buy → Temperature Control, 40 Open, 30 Close, SPST Part # S1-02535355001 $50.66 View & buy → Gear, Actuator, Motor, 8 Teeth Part # S1-02646760000 $44.54 View & buy → Temperature Control, 195 Open, 130 Close, SPDT Part # S1-02526366009 $37.58 View & buy → Limit Switch, 120/100(O/C), SPST, Autoreset Part # S1-02526392704 $17.37 View & buy → Rollout Control, 175 Open, 95 Close, DPST Part # S1-02527733002 $46.40 View & buy → Smoke Detector Kit, 20-25T Sunline SA Part # S1-02924494000 $1,215.18 View & buy → Joint, Ball, With M8, Belimo Part # S1-02927097000 $84.16 View & buy → Crankarm, 3/4IN Shaft, Belimo, Afb Part # S1-02927105000 $104.04 View & buy → Pressure Sensor, 2651-005WD-AB-T1-C, Vav-Dpt Part # S1-03109134000 $671.07 View & buy → Temperature Sensor, 10K Ohm W/QC Terminals Part # S1-33103654000 $43.68 View & buy → Smoke Detector Kit, 7-25T Sunline Economizer Part # S1-02525377000 $1,725.14 View & buy → Power Exhaust, Accessory, 460V, 15-25 Ton Part # S1-02648107000 $2,867.74 View & buy → Pressure Switch, Air, .05-5 IWC, Rise-On, AP/DF Part # S1-03101123700 $300.23 View & buy → Block, Terminal, 2 Pole, 250V, 20A Part # S1-02530887000 $16.38 View & buy →

Heaters

Heater, Electric 18.0KW, 480V, 3 Element Part # S1-02527709702 $629.63 View & buy →

Air filters

Filter, 2 x 16 x 25, MERV2 Part # S1-02651426000 $23.28 View & buy → Filter, 2 x 16 x 20, MERV2 Part # S1-02651427000 $22.97 View & buy → Air Filter, 28 x 32.25 x 2 Part # S1-02642507000 $238.48 View & buy → Eliminator, Mist, 28 x 32.25 x 1 Part # S1-02648071000 $301.23 View & buy →

Hardware & fittings

Shaft, Blower 1.187 x 26.75 Long Part # S1-00107116000 $176.60 View & buy → Ring, Clamp for Motor Mount Part # S1-02625568000 $29.15 View & buy → Bracket, Bearing Wireform Part # S1-02635494000 $218.82 View & buy → Mount, Motor, 56 Frame Part # S1-02637389000 $182.65 View & buy → Guard Fan, 30 Inch, Black, Flat Part # S1-02647777000 $203.53 View & buy → Sheave, Variable 1 Groove, 1.375" Bore, 1VP68 Part # S1-02812010700 $168.43 View & buy → 4 Bolt Flange Ball Bearing Part # S1-02922145000 $262.90 View & buy → Panel, Access Control Part # S1-06393794001 $201.92 View & buy → Support, Motor Part # S1-06394674000 $286.18 View & buy → Wrapper, Blower 18 Inch Part # S1-06394675000 $259.42 View & buy → Orifice, Fan 30.75" Dia Part # S1-06394820000 $157.94 View & buy → Support, Motor Part # S1-07301954000 $134.26 View & buy → Spacer, Filter, 19.75 Long Part # S1-07303072009 $15.58 View & buy → Spacer, Filter, 24.75 Long Part # S1-07303072010 $23.77 View & buy → Panel, Access, Compressor, Top 20/25 Ton Part # S1-07319228000 $290.60 View & buy → Post, Corner, Power Disconnect Part # S1-07331157000 $304.25 View & buy → Panel, Sealer Part # S1-07345129000 $40.77 View & buy → Plate, Support, Motor, 7.5-10HP Part # S1-37301957000 $173.61 View & buy → Panel, Access, Blower Motor Part # S1-37306317181 $377.40 View & buy → Panel, Access, Blower Part # S1-37306317210 $555.63 View & buy → Sheave, Fixed 1 Groove, 1.1875" Bore, BK120 Part # S1-02810577700 $132.97 View & buy → Belt Drive, BX83, PL=84.8 Part # S1-02812080700 $112.00 View & buy → Sheave, Fixed 1 Groove, 1.1875" Bore, BK110 Part # S1-02812012700 $216.72 View & buy → Belt Drive, BX81, PL=82.8 Part # S1-02812017700 $106.64 View & buy → Panel, Access Insulation Damper Mounting W/O Econo Part # S1-36394829031 $598.10 View & buy → Cover, Damper Opening, Insulated Part # S1-36394829032 $138.25 View & buy → Hood, Damper Economizer Part # S1-37302274701 $445.70 View & buy → Support, Burner Part # S1-06393848000 $62.64 View & buy → Connecton, Gas, Pilot Part # S1-37303313000 $23.02 View & buy → Guard, Coil 81.65 x 47.15 Black Part # S1-02631432702 $620.79 View & buy → Belimo Actuator, AFB24-SR Part # S1-02527164000 $1,760.14 View & buy → Scroll, Blower, Vent Part # S1-06390041000 $42.26 View & buy → Baffle, Heat Exchanger Part # S1-06390071000 $30.88 View & buy → Plate, Venter Housing Part # S1-07303170000 $27.01 View & buy → Plate, Venter Housing Part # S1-07303210000 $62.03 View & buy → Bracket, Mounting VFD, 20/25 Ton Part # S1-07335176000 $143.34 View & buy → Orifice Plate 2.375 Inch Diameter Part # S1-02638575000 $117.39 View & buy → Orifice Plate 2.187 Inch Diameter Part # S1-02638576000 $120.89 View & buy → Plate, Vent, Bottom Part # S1-02638582000 $148.40 View & buy → Plate, Ventor, 2.375 Orifice Part # S1-06390038010 $28.75 View & buy → Plate, Ventor, 2.187 Orifice Part # S1-06390038014 $27.30 View & buy →

Other parts

Spacer, Motor, Venter Part # S1-07303169000 $20.63 View & buy → Bracket, Limit Switch Part # S1-07318565000 $44.30 View & buy →

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See all 13 York J20DM model numbers

From York's own parts data (York SmartSearch, Nov 2026).

J20DMC00B4AAA1
J20DMC00B4BAC1
J20DMC00J2WZZ10001
J20DME18A4AAA1
J20DME36N4WZZ10001
J20DME36Q4AZZ10001
J20DME72N4AAA1
J20DME72Q4WAC1
J20DMN24A2AAA1
J20DMN24A2AZZ10001
J20DMN32A4AAA1
J20DMS24P4GZZ10001
J20DMS24P4UZZ10001