York JA4ZTS12 Parts

4-ton rooftop unit · gas/electric · 10 models

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Parts for York JA4ZTS12 units (122)

Compressors & coils

Heat Exchanger, 6 Tube SS 3-5T Part # S1-02645741006 $3,819.55 View & buy → Condenser Coil, MC, 25MM x 36 x 47.5 Part # S1-07344628000 $3,289.03 View & buy → CC Heater, Band, 40W, 480V, 6.5 Inch Dia Part # S1-02547849000 $36.45 View & buy → Evaporator Coil, ZT049 Part # S1-37335172000 $8,165.27 View & buy → CC Heater, 575V, 4/5 Ton Only Part # S1-02547883000 $34.62 View & buy → Condenser Coil, 36INX25MM, Left, Retrofit Part # S1-37345067000 $4,225.82 View & buy → Condenser Coil, 36INX25MM, Right, Retrofit Part # S1-37345068000 $4,070.75 View & buy → CC Heater, 40W, 240V, 6.5 Inch Diameter Part # S1-02547848000 $42.36 View & buy → Condenser Coil, MC, 25MM x 36 x 47.5, E-Coat Part # S1-07344628300 $8,152.81 View & buy → Evaporator Coil, W/TXV, ZT049, Predator, E-Coat Part # S1-37344689300 $10,217.68 View & buy →

Motors

Condenser Motor, 1/3, 860/1, CCW, 240V, ECM Part # S1-02436124000 $1,193.41 View & buy → Condenser Motor, ECM, 1/3, 785/200, CCW, 240-1-50/60 Part # S1-6227619 $570.65 View & buy → Power Exhaust Motor, 3/4, 1050/3, 460V 1-Phase 60Hz Part # S1-02431956000 $1,778.94 View & buy → Blower Motor, 1.5, 1740/3, CCW, 575V 3-Phase 60Hz Part # S1-02439444000 $1,944.53 View & buy → Power Exhaust Motor, 3/4, 208/230V Part # S1-02435719000 $830.58 View & buy →

Fans & blower wheels

Blower Assembly W/Housing, Wheel, Shaft and Bearings Part # S1-02646421000 $855.59 View & buy → Propeller Fan, 24 Inch, CW, 3-22, 1/2 Inch Bore Part # S1-02647148000 $208.85 View & buy → Blower Wheel, Indoor, CW, 12 x 9 Part # S1-02648075000 $548.60 View & buy → Propeller Fan, Power Exhaust Part # S1-02642178000 $318.37 View & buy →

Gas valves & burners

Burner, Gas Part # S1-02924489000 $36.79 View & buy →

Igniters & flame sensors

Temperature Control, 260 Open, 230 Close Part # S1-02532693000 $53.03 View & buy → Orifice, Burner #45 (.082) Part # S1-02920423045 $6.75 View & buy → Manifold, Gas, Short W/6 #45 Orifice, 2 Plg Part # S1-02927079000 $169.00 View & buy →

Valves & filter driers

TXV Valve, 3/8 x 5/8 ODF, 96.5 PSIG, Sporlan Part # S1-02545275000 $215.96 View & buy → Filter-Drier, Liquid, 3/8 ODF, DCL 053S Part # S1-6109460 $54.80 View & buy → Distributor, Belled, ORF-3, 8 Tube, 3/8 x 5/8, 24 in Part # S1-02213750000 $221.39 View & buy →

Electrical parts & harnesses

Relay Control, 24V, 50/60 HZ, Dpst Part # S1-02425910700 $59.12 View & buy → Fuse, 15A, 600V Part # S1-02532732001 $46.55 View & buy → Solenoid Harness Compressor Part # S1-02538936000 $79.04 View & buy → Wiring Harness, Compressor, 39"LG W/Plug Part # S1-02541104000 $74.76 View & buy → Time Delay Fuse, 600V, 10.00A Part # S1-02546384000 $31.97 View & buy → Harness Wire, S1, UCB Part # S1-02546665000 $22.80 View & buy → Harness Wire, S2, UCB, Sngl Stage Part # S1-02546668000 $20.64 View & buy → Harness Wire, S5, UCB Part # S1-02546757000 $21.98 View & buy → Harness Wire, S10, UCB, Two Stage Part # S1-02546763000 $16.51 View & buy → Harness Wire, P11, Rat/Sat Part # S1-02546767000 $35.14 View & buy → Harness Wire, S20, Economizer Part # S1-02546773000 $16.51 View & buy → Harness Wire, S22, UCB, Aps/Dfs Part # S1-02546776000 $23.39 View & buy → Wiring Harness, S3, UCB, GH, Two Stage Part # S1-02547853000 $28.80 View & buy → Wiring Harness, S15, UCB-Economizer Part # S1-02547856000 $15.00 View & buy → Wiring Harness, S17, Economizer Part # S1-02547858000 $21.13 View & buy → Holder Fuse, 2 Pole, 600V, 30A Part # S1-02552600000 $31.41 View & buy → Contactor, 3-pole, 32A, 24V, 50/60 Hz, Hongfa Part # S1-02441623000 $83.68 View & buy → Motor Actuator, 24V, M9208, Run 7.9 W Part # S1-02544134000 $855.40 View & buy → Wiring Harness, Smoke Detector, S13 Part # S1-02549710000 $21.59 View & buy → Harness Wire, S9, UCB, Two Stage, 3-5T, VFD Part # S1-02546758000 $23.31 View & buy → Transformer, Fused, W/Circuit Breaker, 460/575V, 24V/150VA, 60Hz Part # S1-02552314000 $201.32 View & buy → Transformer, 460/575V, 230V/175VA, 60Hz Part # S1-6387052 $149.59 View & buy → Circuit Board, SSE, 2 Stage, with C Part # S1-6421652 $1,100.97 View & buy → Run Single Capacitor, 12.5MFD, 370V, Flat Part # S1-02425899000 $18.68 View & buy → Breaker, Circuit, 3 Pole, 25A, 600V Part # S1-02441151000 $537.61 View & buy → Transformer, 240/480V, 120/140V, 500VA, 60Hz Part # S1-02526309700 $544.69 View & buy → Transformer, 240/480V, 120/240V/3000VA, 60 HZ Part # S1-02532762000 $1,890.16 View & buy → Time Delay Fuse, 600V, 8 Amp Part # S1-02537412000 $32.10 View & buy → Relay 24V 20 Amp Part # S1-02538623000 $106.16 View & buy → Integrated Transformer, 460, 75VA Part # S1-02549714000 $80.81 View & buy → Controller, VFD, Programmed, 2HP, L524, 2.1A, 460/3/60 Part # S1-6109905 $843.50 View & buy → Harness Wire, P16, Dfs Part # S1-02546771000 $14.18 View & buy → Transformer, 600V, 120/240V/500VA, 60Hz Part # S1-02530886000 $777.56 View & buy → Time Delay Fuse, 600V, 6A Part # S1-02537396000 $33.16 View & buy → Integrated Transformer, 575, 75VA Part # S1-02549715000 $109.36 View & buy → Controller, VFD, Programmed, 2HP, L524, 2.0A, 575/3/60 Part # S1-6109906 $1,328.72 View & buy → Breaker, Circuit, 3 Pole, 45A, 240V Part # S1-02441150000 $336.96 View & buy → Harness Wire, S9, UCB, Two Stage, 3-5T, BP Part # S1-02546777000 $32.81 View & buy → Harness Wire, Econ.ext.smoke Det Part # S1-37328647000 $43.52 View & buy → Controller, VFD, Programmed, 2HP, L524, 4.3A, 240/3/60 Part # S1-6109904 $747.92 View & buy → Realy, Overload, 3P, 1.7-2.3A, 600V, (W/Mount) Part # S1-6182262 $351.31 View & buy → SSE Control Board, 2-Stage, Non-Communicating Part # S1-6421651 $1,063.04 View & buy → Breaker, Circuit, 3 Pole, 15A, 600V Part # S1-02441164000 $536.47 View & buy → Plug, 12 Circuit with Jumper Part # S1-02535366010 $6.62 View & buy → Harness Wire, Sensor, Smoke Detector Part # S1-02543285000 $68.89 View & buy → Harness Wire, S3, UCB, GH, Two Stage Part # S1-02546670000 $27.60 View & buy → Integrated Transformer, 208/240, 75VA Part # S1-02549713000 $97.48 View & buy → Transformer, Fused, W/Circuit Breaker, 208/230V, 24V/150VA, 60Hz Part # S1-02552313000 $202.03 View & buy →

Switches, sensors & controls

Limit Switch, 255, Auto Part # S1-02543289000 $22.73 View & buy → Temperature Control, Cchts, 65 Open, 50 Close, SPST Part # S1-02547870000 $49.59 View & buy → Temperature Sensor, 10 ft Lead, Female, with Clip Part # S1-02549697000 $45.70 View & buy → Temperature Sensor, -40 to 110C, Female, without Clip Part # S1-02550564000 $26.32 View & buy → Rocker Switch, SPDT, 16A, 125V Part # S1-02440944000 $25.79 View & buy → Auxiliary Switch, Contactor, 3PL, XMC0, 10, 600, Hongfa Part # S1-02441624000 $38.05 View & buy → Detector, Smoke, W/Harness Part # S1-02925430000 $637.62 View & buy → Handle, Switch, Rotary, 20-40AMP Part # S1-02927071000 $121.73 View & buy → Block, Terminal Part # S1-02526380000 $119.52 View & buy → Sensor, Smoke Detector W/O Harness Part # S1-02543284000 $461.51 View & buy →

Air filters

Air Filter, Pleated, MERV 8, 16 x 24 x 2 Part # S1-02646342000 $54.23 View & buy → Duct Temperature Sensor Part # S1-03101120000 $1,171.55 View & buy →

Hardware & fittings

Arm, Motor Mount, Swept Wing Fan Part # S1-02645717000 $30.09 View & buy → Plate, Balance, SS 6 Tube 3-5T Part # S1-02645737006 $376.12 View & buy → Sheave, Variable 1 Groove, 0.875" Bore, 1VL44 Part # S1-02804764700 $68.97 View & buy → Belt Drive, A47, PL=48.3 Part # S1-02812366700 $42.12 View & buy → Sheave, Fixed 1 Groove, 1" Bore, AK69 Part # S1-02813378000 $138.46 View & buy → Grommet, Piping, 5/8-1, 3/8-1, Predator Part # S1-02817278000 $32.56 View & buy → Grommet, Piping, 5/8-1, 7/8-1, Predator Part # S1-02817282000 $32.56 View & buy → Collector Box Gasket, 6-TUBE Part # S1-02818585000 $29.87 View & buy → Keystock, 1/4 x 1/4 x 1-1/4 Part # S1-02924409000 $44.87 View & buy → Shaft, Blower, 1.00 Dia. x 16.38 Long Part # S1-02925436000 $194.04 View & buy → Mount, Motor Part # S1-07326806000 $210.05 View & buy → Plate, Belt Adjust Part # S1-07327144000 $78.39 View & buy → Plate, VFD Mounting, Short Predator Part # S1-07328475000 $72.86 View & buy → Bracket, VFD Mounting Part # S1-07328477000 $66.53 View & buy → Blockoff, Filter, Cab, Short, 15.88L Part # S1-07331233000 $71.24 View & buy → Panel, Coil Mounting, Duct Side, 36 Long Part # S1-07344637000 $91.39 View & buy → Shield, Belt, Blower, Predator, Short Part # S1-07344654000 $97.74 View & buy → Plate, Cutoff, Blower, 12 x 9 Part # S1-07344659000 $30.46 View & buy → Bracket, Mount, Motor, Blower Part # S1-07344660000 $177.59 View & buy → Plate, Fill, Blower, Predator Part # S1-07344661000 $81.47 View & buy → Wall, Filter/Control, Service, 42" Cabinet Part # S1-37326718000 $418.40 View & buy → Door, Access, Filter/Control Part # S1-37326720000 $255.10 View & buy → Door, Blower Access Part # S1-37326721000 $274.21 View & buy → Clamp, Thermistor, SS, 3/4 Inch Dia Part # S1-6043490 $15.08 View & buy → Hood Kit, Downflow, OA, Baro Relief, Shrt Part # S1-02648077000 $1,204.61 View & buy → Guard Coil, 34.5 x 47.75, Black Part # S1-02639504000 $366.03 View & buy → Guard Coil, Formed, 34.5 x 27, Black Part # S1-02639505000 $386.68 View & buy → Guard Coil, Formed, 34.5 x 27, Black Part # S1-02639506000 $461.50 View & buy → Sample Tube, Emt, Smoke Det, 21.68 Inch Part # S1-02645765000 $60.69 View & buy → Cover, Box Electric Part # S1-07338852000 $20.76 View & buy → Adapter, Plastic Part # S1-02925427000 $19.55 View & buy → Support, Smoke Detector Sensor, SA Part # S1-07328962000 $68.46 View & buy → Exhaust Tube Part # S1-07328963000 $84.13 View & buy →

Other parts

Pipe, Vent Part # S1-02635595002 $402.19 View & buy → Clamp, Coil, 25MM Part # S1-02131424000 $43.08 View & buy → Bag, Parts Part # S1-02925429000 $64.89 View & buy →
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See all 10 York JA4ZTS12 model numbers

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

  • JA4ZTS12R2A2FCA2A1
  • JA4ZTS12R2D5BCA2E1
  • JA4ZTS12R4B6FCA5E1
  • JA4ZTS12R4D6HAA5A1
  • JA4ZTS12R4D6RCA2E1
  • JA4ZTS12R5B1AAA2A1
  • JA4ZTS12R5B1BMA2A1
  • JA4ZTS12R5B5BCA2A1
  • JA4ZTS12U4D6BCF2A1
  • JA4ZTS12U4D6FCA1E1

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