York CS20 Parts

20-ton rooftop unit · gas/electric and electric/electric · 24 models

1

Find your model number. It’s on the metal label on the side of the unit. It starts with CS20.

2

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Parts for York CS20 units (128)

Compressors & coils

Condenser Coil, Form, MC, 25MM, 52 x 85, 25-S1 Part # S1-32651454001 $3,840.41 View & buy → Condenser Coil, Form, MC, 25MM, 52 x 85, 25-S2 Part # S1-32651454002 $3,827.80 View & buy → Distributor, Belled, 17 Tube, 7/8 x 3/16, ORF-6, 38IN Part # S1-5964727 $1,629.82 View & buy → Evaporator Coil, AH/AL20, SF Part # S1-6051839 Get a quote View & buy → Distributor, Belled, 17 Tube, 7/8 x 3/16, 38IN, 6 Orifice Part # S1-6337048 $1,212.66 View & buy → CC Heater, Band, 70W, 240V, 7.3 Inch Dia Part # S1-02550543000 $63.99 View & buy → Scroll Compressor, 200/230V 3-Phase 60Hz, R-410A, MBH 124 Part # S1-5964799 $6,517.45 View & buy → Scroll Compressor, 200/230V 3-Phase 60Hz, R-410A, POE Part # S1-5964746 $6,035.98 View & buy → CC Heater, Band, 70W, 480V, 7.3 Dia., 204 Lead Part # S1-02550544000 $52.35 View & buy → Heat Exchanger Assembly, 9 Tube, 400K, SS Part # S1-37346212000 $4,584.86 View & buy → Scroll Compressor, 460V 3-Phase 60Hz, R-410A, MBH 124 Part # S1-5964800 $6,517.45 View & buy →

Motors

Draft Motor, 1/6, 3350, CW, 208/230V 3-Phase 60Hz Part # S1-02441229000 $291.28 View & buy → Draft Inducer Assembly, 1SPD, 230V Part # S1-37346213000 $468.97 View & buy → Condenser Motor, 1/2, 1085, Cwle, 208-230/1/60 Part # S1-6056015 $413.24 View & buy → Blower Motor, 7.5HP, 230/460V, 1765 RPM, 213T, ODP Part # S1-6374033 $2,163.58 View & buy →

Fans & blower wheels

Propeller Fan, 24 Inch, CW, 3-26, 1/2 Inch Bore Part # S1-02651442000 $202.09 View & buy → Blower Assembly, Dual, 15 x 15 Part # S1-02652135000 $4,099.59 View & buy → Draft Wheel, 6.3 x 2.42, CCW, Bore .314 Part # S1-02651449000 $57.29 View & buy → Housing, Aluminized, Motor, Draft, CCW Part # S1-02651450000 $227.96 View & buy →

Gas valves & burners

Natural Gas Valve, 24V, White-Rodgers 36H55-405 Part # S1-02546611000 $304.22 View & buy → Burner, Venturi, Gas Part # S1-02927134000 $51.05 View & buy →

Igniters & flame sensors

Limit Switch, Auxiliary, 200F Open, Man-Reset Part # S1-02441231000 $19.77 View & buy → 4 in. Gas Flame Sensor (Flame Rod) Part # S1-02535306000 $38.04 View & buy → Spark Igniter, Gas, W/Out Wire Part # S1-02551828000 $36.36 View & buy →

Valves & filter driers

TXV Valve, 8T, 1/2 x 7/8 ODF, 101 PSIG, P-H Part # S1-02213721000 $208.78 View & buy → TXV Valve, 8T, 1/2 x 7/8 ODF, 91 PSIG, Sporlan Part # S1-02213722000 $482.42 View & buy → Filter-Drier, Liquid, 1/2 ODF Part # S1-6228564 $36.10 View & buy →

Electrical parts & harnesses

Control Relay, 24V, 50/60 Hz, SPST Part # S1-02424103000 $40.30 View & buy → Contactor, 2P, 20 Amp, 24V, 50/60Hz Part # S1-02439493000 $31.01 View & buy → Run Dual Capacitor, 10/10MFD, 440V, Oval Part # S1-02442063000 $32.24 View & buy → Holder Fuse, 1 Pole, 30 Amp, 600V Part # S1-02544135000 $27.46 View & buy → ODF Motor Harness, 66 Inch Lead Length Part # S1-02551834000 $27.54 View & buy → ODF Motor Harness, 138 Inch Lead Length Part # S1-02551835000 $48.23 View & buy → Wiring Harness, UCB-S5 Part # S1-02551862000 $24.60 View & buy → Wiring Harness, UCB-S1 Part # S1-02551866000 $76.81 View & buy → Wiring Harness, UCB-S2 Part # S1-02551867000 $30.00 View & buy → Wiring Harness, UCB-S9, 25-27T Part # S1-02551869000 $111.52 View & buy → Wiring Harness, UCB-S10 15-25T, W/VFD Part # S1-02551870000 $22.34 View & buy → Wiring Harness, UCB-S3, Clg-Only Part # S1-02551930000 $40.73 View & buy → Time Delay Fuse, 600V, 2A, Class CC Part # S1-02552597000 $17.90 View & buy → Remote Display Cable, VFD, 118 in Part # S1-6023951 $105.02 View & buy → Wiring Harness, UCB-S10 12.5-25T, W/VFD Part # S1-6163866 $23.75 View & buy → SSE Control Board, 2-Stage, Non-Communicating Part # S1-6421651 $1,063.04 View & buy → Run Dual Capacitor, 50/5MFD, 440V, Round Part # S1-02420062700 $18.42 View & buy → Relay Control, 24VAC, 60Hz, Dpst (No) Part # S1-02436138000 $49.81 View & buy → Ignition Cable, 24 Inch Part # S1-02546615000 $16.36 View & buy → Wiring Harness, Gas, P1 Part # S1-02551864000 $33.37 View & buy → Wiring Harness, Gas, P2 Part # S1-02551865000 $31.17 View & buy → Spark Control Board, 2 Stage Part # S1-03103495000 $269.10 View & buy → Wiring Harness, Gas, P1 SF Part # S1-6163855 $52.38 View & buy → Contactor, 3 Pole, 60A, 50-60Hz, 24V-COIL Part # S1-02441453000 $292.96 View & buy → Transformer, 208/240V, 24V/100VA, 60Hz Part # S1-02547239000 $167.11 View & buy → Block Fuse, 1, 600V, 30A, 3P Part # S1-02547865000 $119.34 View & buy → Fuse HOLDER-1, 3-POLE, 600V, 30A Part # S1-6038488 $26.88 View & buy → Fuseholder, 3 Pole, 600V, 60A Part # S1-02551821000 $117.59 View & buy → Transformer, 460V, 100VA/24V, 60Hz W/5A Brkr Part # S1-02547240000 $169.96 View & buy → Time Delay Fuse, 600V, 35A Part # S1-02552394000 $44.99 View & buy →

Switches, sensors & controls

Auxiliary Switch, Interlock, No/NC Part # S1-02441242000 $51.41 View & buy → Block, Terminal, 3 Pole, 250V, 20 Amp Part # S1-02527755000 $24.03 View & buy → Block, Terminal, 3 Pole Part # S1-02550587000 $123.59 View & buy → Temperature Sensor, 6 in. Lead, with Terminal Part # S1-03103027000 $93.49 View & buy → Pressure Control, Refrigeration, 50/71(O/C)BRAZE, PSIG Part # S1-5992121 $63.58 View & buy → Block, Distributor, LINE-1, LOAD-6, 3P, 600V, 175A Part # S1-6005521 $180.21 View & buy → Pressure Control, Refrigeration, 650/450(O/C) PSIG Part # S1-6016872 $60.17 View & buy → Sensor, Temperature, -40 to 105 C, Male, W/O, Clip, 6IN Part # S1-6043484 $27.73 View & buy → Block, Terminal, LINE-1, LOAD6, 3P, 600V, 175A Part # S1-6116216 $167.40 View & buy → Block, Terminal, 3 Pole, 250V, 20A Part # S1-6214580 $31.47 View & buy → Pressure Switch, -0.33 in. W.C. Part # S1-02439479000 $22.72 View & buy → Limit Switch, 140/110(O/C), Auto Reset Part # S1-02531835000 $31.25 View & buy → Temperature Control, 270 Open, Man Close, Manual Part # S1-02547824000 $13.00 View & buy →

Heaters

CC Heater, 70W, 240V, 20.4-26.7 in Circum Part # S1-5999960 $107.63 View & buy → CC Heater, 70W, 480V, 20.4-26.7 in Circum Part # S1-5999961 $107.63 View & buy →

Air filters

Filter, 2 x 16 x 25, MERV2 Part # S1-02651426000 $23.28 View & buy →

Hardware & fittings

Key, Stl, 3/8 SQ x 2-1/2 Long Part # S1-00107132000 $7.18 View & buy → Strap Cable, Tie Base, BLACK.7.5 Long Part # S1-02530396000 $26.59 View & buy → Guard Fan, 24 in Part # S1-02651456000 $163.91 View & buy → Bushing with Key 1.438 Bore Part # S1-02813332000 $81.39 View & buy → Grommet, Molded, Midas, Piping, 17.5/20T Part # S1-02818266000 $22.69 View & buy → Grommet, 2IN Mounting Hole, 1.25ID-1.66OD Part # S1-02818294000 $30.53 View & buy → Pan, Drain, Evaporator, Molded, 11W x 84L Part # S1-02818295000 $573.89 View & buy → Orifice Fan, ID 24.58 Inch, Drop-In Part # S1-07346070000 $307.15 View & buy → Panel, Roof, Condenser, 2 x 24 Inch Fan, Front, 20-25T Part # S1-07346232000 $623.16 View & buy → Panel, Roof, Condenser, 2 x 24 Inch Fan, Rear, 20-25T Part # S1-07346233000 $602.95 View & buy → Tab, Pull, Removal, Filter Part # S1-07346284000 $77.32 View & buy → Post, Spacer, Coil End, 25-27T Part # S1-07346293000 $161.98 View & buy → Cover, No-Hole, Switch, Disconnect Part # S1-07346459000 $39.54 View & buy → Mounting, Motor, Plate, Cab 6-9 Part # S1-07347407000 $92.59 View & buy → Base, Motor, Sliding, Cab 6-9 Part # S1-07347408000 $155.85 View & buy → Nut, Acorn Kit #8-32 Unc Part # S1-36390117700 $23.28 View & buy → Panel, Roof, Blower Section, Insulated, 15-27T Part # S1-37346243000 $1,004.18 View & buy → Panel, Corner, Controls, Insulated, 25-27T Part # S1-37346244000 $340.71 View & buy → Panel, Blower, Back, Insulated, 25-27T Part # S1-37346245000 $449.12 View & buy → Base Assembly, Motor, Sliding, Cab 6-9 Part # S1-37347680000 $244.89 View & buy → Plate Assembly, Mounting, Motor, Cab 6-9 Part # S1-37347681000 $247.86 View & buy → Brace, Angle, Motor Sled, C6-9 Part # S1-37347682000 $24.24 View & buy → Bolt, Hex Head, 3/8-16 x 1IN, Zinc, GR2 Part # S1-5692 $40.75 View & buy → Washer, Lock, Helical, 1/2IN, Zinc Part # S1-5720 $18.24 View & buy → Guard Compressor, HP, 25/28T Part # S1-5998073 $668.97 View & buy → Post, Coil, Condenser, Filler, End Gap, C8/9 Part # S1-6038520 $219.52 View & buy → Clamp, Thermistor, SS, 1-1/8 Inch Dia Part # S1-6043492 $15.08 View & buy → Panel, Roof, Condenser, 2 x 24 Inch Fan, Front, 20-25T Part # S1-6175952 $827.72 View & buy → Panel, Roof, Condenser, 2 x 24 Inch Fan, Rear, 20-25T Part # S1-6175953 $771.75 View & buy → Panel, Blower Back, Upper, C8/9, SF Part # S1-6195391 $354.07 View & buy → Pull, Filter, C-All Part # S1-6209856 $84.17 View & buy → Panel, Corner, Controls, Insulated, 25-27T Part # S1-6367061 $406.52 View & buy → Panel, Roof, Condenser, 2 x 24 Inch Fan, Front, C7/8 Part # S1-6420640 $1,934.88 View & buy → Panel, Roof, Condenser, 2 x 24 Inch Fan, Rear, C7/8 Part # S1-6420641 $1,852.68 View & buy → Orifice Fan, ID 24.58 Inch, Drop-In Part # S1-6486981 $328.80 View & buy → Tape Gasket, Sealing, 1/8 x 1IN, 150 FT Roll Part # S1-9264 $99.79 View & buy → Panel, Access, Control, Insulated, 25-27T Part # S1-37346264000 $242.51 View & buy → Panel, Access, Filter, Insulated, 25-27T Part # S1-37346265000 $175.29 View & buy → Cover, Painted, Outlet, Convenience, No Part # S1-07346203000 $34.11 View & buy → Belt, Drive BX43, PL=44.8 Part # S1-02818274000 $89.58 View & buy → Fitting, Air Pressure Tap, 5/16 Hex Part # S1-02316881000 $19.31 View & buy → Bracket, Support, Tube, Wireform Part # S1-02651448000 $221.84 View & buy → Housing Gasket, Motor, Draft Part # S1-02818286000 $32.20 View & buy → Sheet Gasket Tube, High-Temperature, Pre-Cut Part # S1-02818299000 $62.35 View & buy → Plate, Bottom, Burner Section Part # S1-07346215000 $41.18 View & buy → Bracket, Burner, Common Part # S1-07346219000 $107.07 View & buy → Shield, Burner Part # S1-07346225000 $37.70 View & buy → Plate, Bottom, Burner Section Part # S1-6180317 $34.31 View & buy → Bracket, Burner, Common Part # S1-6180333 $47.33 View & buy → Shield, Burner Part # S1-6180399 $47.33 View & buy → Panel, Access, Blower, Gas, Insulated, 25-27T Part # S1-37346251000 $181.72 View & buy → Sheave, Variable 1 Groove, 1.375" Bore, 1VP65 Part # S1-02815236000 $235.56 View & buy → Belt, Drive 5VX490, OL=49.0 Part # S1-02818276000 $158.20 View & buy → Sheave, Fixed 1GRV, Bushing, 1B5V86 Part # S1-5398450 $513.00 View & buy →

Other parts

Elbow, Street, 90DEG, Pvc, SCH-40, 1.00-FNPT Part # S1-02327664000 $20.11 View & buy →

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See all 24 York CS20 model numbers

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

CS20C0BP2A1AAA11A3
CS20C0BP4A1AAA11A3
CS20C0BP4A1AAD11A3
CS20C0BP4A1AAF11A3
CS20C0BQ2A1AAA11A2
CS20C0CP2A1AAA11A2
CS20C0DP4B1AMH11A2
CS20E1CP4B1AMH11A3
CS20S1BP2B1AAA11A2
CS20S1BP4A1AAA11A3
CS20S1CP2A1AAA11A2
CS20S1CP2A1AAA11A3
CS20S1CP2B1AAA15A3
CS20S1CP2C1AAT15B3
CS20S3CP2A1AAA11A2
CS20S3CP2C1AAH11A2
CS20S3CP2C1AEE11A2
CS20S3CP2C1APA11A2
CS20S3CP4C1AAA15A2
CS20S3CQ2B1AYK32A2
CS20S3DH4A1CAE12A2
CS20S3DP2A1AAE11A2
CS20S3DP4A1AEA11A3
CS20S3DQ4C1AAB11A2