York AL18 Parts

17.5-ton rooftop unit · gas/electric and electric/electric · 15 models

1

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2

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Parts for York AL18 units (128)

Compressors & coils

Condenser Coil, Form, MC, 25MM, 44 x 82, 20-S1 Part # S1-32651453001 $3,461.02 View & buy → Condenser Coil, Form, MC, 25MM, 44 x 82, 20-S2 Part # S1-32651453002 $3,635.54 View & buy → Evaporator Coil, W/TXV, 17.5 Ton Part # S1-37346295000 Get a quote View & buy → Distributor, Belled, 14 Tube, 7/8 x 3/16, 30IN, 4 Orifice Part # S1-6337044 $975.03 View & buy → Distributor, Belled, 14 Tube, 7/8 x 3/16, 30IN, 6 Orifice Part # S1-6337045 $993.59 View & buy → Scroll Compressor, 460V 3-Phase 60Hz, R-410A, POE Part # S1-5964741 $5,893.11 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, 460/1/60 Part # S1-6056016 $433.35 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

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

Stem, Valve Part # S1-02208017000 $5.22 View & buy → Distributor, Belled, 3/8, #4, 14 Tube, 7/8 x 3/16 x 30 Part # S1-02213714000 $895.42 View & buy → Distributor, Belled, 3/8, #6, 14 Tube, 7/8 x 3/16 x 30 Part # S1-02213715000 $903.75 View & buy → TXV Valve, 8T, 1/2 x 7/8 ODF, 97 PSIG, P-H Part # S1-02213720000 $208.78 View & buy → TXV Valve, 8T, 1/2 x 7/8 ODF, 101 PSIG, P-H Part # S1-02213721000 $208.78 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 → Lug, Ground, Electrical Aluminum 1.06 x .5 Part # S1-02521798000 $3.99 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 → Run Dual Capacitor, 10/10MFD, 440V, Oval Part # S1-02442063000 $32.24 View & buy → Ignition Cable, 24 Inch Part # S1-02546615000 $16.36 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 → Block Fuse, 1, 600V, 30A, 3P Part # S1-02547865000 $119.34 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 → Fuse HOLDER-1, 3-POLE, 600V, 30A Part # S1-6038488 $26.88 View & buy → Wiring Harness, Gas, P1 SF Part # S1-6163855 $52.38 View & buy → Transformer, 460V, 100VA/24V, 60Hz W/5A Brkr Part # S1-02547240000 $169.96 View & buy → SSE Control Board, 2-Stage, Non-Communicating Part # S1-6421651 $1,063.04 View & buy → Fuse 30 Amp 600V Part # S1-02532733001 $47.21 View & buy → Wiring Harness, P13/S14, 14 FT Part # S1-02549725000 $73.55 View & buy →

Switches, sensors & controls

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 → Handle, Rotary, Breaker, Circuit Part # S1-02927131000 $526.11 View & buy → Temperature-Discharge Sensor, Humidity, Surface Mount Part # S1-02516170000 $381.44 View & buy → Humidity/Temperature Sensor, Wall Part # S1-02551391000 $356.53 View & buy → Phase Monitor Control, 180-600VAC Part # S1-6319620 $115.91 View & buy → Sensor, Smoke Detector W/O Harness Part # S1-02543284000 $461.51 View & buy →

Air filters

Air Filter, Throw-Away 20 x 25 x 2 Part # S1-02601730000 $23.32 View & buy →

Hardware & fittings

Key, Stl, 3/8 SQ x 2-1/2 Long Part # S1-00107132000 $7.18 View & buy → Capacitor Seal, Knurled 7/1 Part # S1-02310745000 $3.99 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, 25T Part # S1-02818265000 $23.29 View & buy → Grommet, 2IN Mounting Hole, 1.25ID-1.66OD Part # S1-02818294000 $30.53 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, 20T Part # S1-07346292000 $212.26 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, Corner, Controls, Insulated, 15-20T Part # S1-37346237000 $400.52 View & buy → Panel, Blower, Back, Insulated, 15-20T Part # S1-37346241000 $408.09 View & buy → Panel, Roof, Blower Section, Insulated, 15-27T Part # S1-37346243000 $1,004.18 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, 15/18/20T Part # S1-5998072 $1,676.99 View & buy → Clamp, Thermistor, SS, 7/8 Inch Dia Part # S1-6043491 $15.08 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, C6/7, SF Part # S1-6195390 $319.69 View & buy → Pull, Filter, C-All Part # S1-6209856 $84.17 View & buy → Panel, Corner, Controls, Insulated, 15-20T Part # S1-6367044 $550.11 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 → Pan, Drain, Evaporator, Molded, 11W x 84L Part # S1-02818295000 $573.89 View & buy → Sheave, Fixed 1GRV, Bushing, 1B5V80 Part # S1-5398451 $491.90 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 → Handle, Rotary, Circuit Breaker, Hor J-Frame, Powerpact Part # S1-02927148000 $984.23 View & buy → Cover, Painted, Outlet, Convenience, No Part # S1-07346203000 $34.11 View & buy → Cover, W/Hole, Switch, Disconnect Part # S1-07346460000 $38.52 View & buy → Panel, Access, Control, Insulated, 15-20T Part # S1-37346258000 $310.23 View & buy → Panel, Access, Filter, Insulated, 15-20T Part # S1-37346259000 $194.67 View & buy → Belt, Drive BX43, PL=44.8 Part # S1-02818274000 $89.58 View & buy → Belt Drive, BX44, Multi, Cogged Part # S1-BX44 $31.36 View & buy →

Other parts

Elbow, Street, 90DEG, Pvc, SCH-40, 1.00-FNPT Part # S1-02327664000 $20.11 View & buy → Adapter Tube, Smoke Detector, 4 in Long Part # S1-02327657000 $35.69 View & buy →

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See all 15 York AL18 model numbers

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

AL18C0BP411AAA11A2
AL18C0BP411AEP15A3
AL18E1CSE11CCQ12B3
AL18E2DQ431CPH42A3
AL18S1CR241CRS46B2
AL18S1DP231AAB11A2
AL18S1DP2A1AAH12A3
AL18S1DP411AAA11A2
AL18S1DP431AAB11A2
AL18S1DP431CEN45C2
AL18S3CP211ARP11B3
AL18S3CPD31AXD34B2
AL18S3CQ241CGR35B3
AL18S3DQ441C3B36F2
AL18T3CP4A1ABA11A2