York AC042 Parts

3.5-ton Champion unit · 13 models

1

Find your model number. It’s on the metal label on the side of the unit. It starts with AC042.

2

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Parts for York AC042 units (31)

Compressors & coils

Isolator, Compressor Part # S1-02809519000 $4.57 View & buy →

Motors

Condenser Motor 208/230V 1/4 Hp, 850 Rpm, Cwle — Replacement Part # S1-02435819000 $222.75 View & buy →

Fans & blower wheels

Propeller Fan, 22 in., clockwise, 3-30, 1/2 in. Bore Part # S1-02634593000 $155.72 View & buy → Propeller Fan, 18 in., clockwise, 3-34, 1/2 in. Bore Part # S1-02634092000 $127.71 View & buy → Propeller Fan, 22 in., clockwise, 3-34, 1/2 in. Bore Part # S1-02634094000 $156.62 View & buy →

Valves & filter driers

Strainer Drier, 1.187 x 5" W/Spring Part # S1-02922157000 $32.59 View & buy → Orifice, Refrigeration 0.078 Part # S1-02919387006 $21.68 View & buy → Accumulator Tank 7/8 ID 39 Ounce Part # S1-02634090000 $138.24 View & buy → Orifice, Refrigeration 0.081 Part # S1-02919387012 $22.75 View & buy → Strainer Drier, 1.187 x 5" W/Spring Part # S1-02917738000 $36.33 View & buy → Orifice, Refrigeration 0.075 Part # S1-02919387017 $22.97 View & buy →

Electrical parts & harnesses

Lug, Ground, Electrical Aluminum 1.06 x .5 Part # S1-02521798000 $3.99 View & buy → Wireway, 22 Inch Fan Part # S1-02813216001 $10.33 View & buy → Harness Compressor, W/Plg, 16/12GA, 40"LG Part # S1-02531884000 $29.85 View & buy → Harness Compressor, W/Plg, 12 GA, 26" Long Part # S1-02531883000 $28.61 View & buy → Harness Wire, Main Part # S1-37320055004 $39.88 View & buy → Run Dual Capacitor, 35/5MFD, 440V, Round Part # S1-02425859700 $49.06 View & buy → Run Dual Capacitor, 40/5MFD, 440V, Round Part # S1-02425894700 $37.10 View & buy → Harness Compressor Part # S1-02541385000 $101.83 View & buy → Run Dual Capacitor, 35/5MFD, 370V, Round Part # S1-02423998700 $29.56 View & buy → Start Relay, 332V, 60Hz Part # S1-02425053000 $106.32 View & buy → Capacitor, Start 189-227MFD, 330V, Round Part # S1-02425215700 $49.30 View & buy → Run Dual Capacitor, 45/5MFD, 440V, Round Part # S1-02425338700 $36.50 View & buy → Run Dual Capacitor, 45/5MFD, 370V, Round Part # S1-02425895700 $34.56 View & buy → Hard Start Device 2 Wire Part # S1-02431995000 $218.35 View & buy →

Switches, sensors & controls

Temperature Control, 240 Open, 155 Close, SPST, 1/2" Part # S1-02531926000 $50.57 View & buy →

Hardware & fittings

Insulation, Foam Pad Part # S1-01005639000 $3.99 View & buy → Nut, Acorn Kit #8-32 Unc Part # S1-36390117700 $23.28 View & buy → Mesh Coil Guard Black 26 x 97 Inch Part # S1-02814730000 $32.61 View & buy → Mesh Guard Coil, 22 x 84.5, Black Plastic Part # S1-02814727000 $22.25 View & buy →

Other parts

Muffler, 1/2 In/Out, 2-1/4 OD x 6.5 Long Part # S1-02539847000 $63.03 View & buy →

Can’t find your part? Send us a photo of the unit’s label and we’ll find it for you. Chat with us · help@totalhvacparts.com · 610-487-7999

See all 13 York AC042 model numbers

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

AC042X1021
AC042X1021A
AC042X1021G
AC042X1024
AC042X1221
AC042X1221A
AC042X1221B
AC042X1221H
AC042X1221HA
AC042X1321
AC042X1322
AC042X1331
AC042X1341