Bus A/C Evaporators

Evaporator coils and complete evaporator assemblies for rear, mid-ship, and dash units on school and shuttle buses. A freezing or starved evaporator usually traces back to airflow (dirty filter, failing blower) or a metering problem (expansion valve), so check both before replacing the coil.

Frequently asked questions

Why does my evaporator keep icing up?
Low airflow or low refrigerant charge. A dirty return filter, a dying blower motor, or a slipped blower wheel drops airflow below what the coil needs; low charge drops coil pressure below freezing. Fix airflow first — it's cheaper.

Do you carry complete evaporator units or just coils?
Both, depending on the system. Coils for the common Trans/Air and MCC assemblies, and complete units where the OEM services them that way.

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  • Omega Evaporator Cor 8in x 9in x 2 3/4 Red Dot RD-2-1316-0 27-R6350

    Omega Evaporator Cor 8in x 9in x 2 3/4 Red Dot RD-2-1316-0 27-R6350

    $871.99
  • Omega Evaporator Combo Heat Cool 27-50047

    Omega Evaporator Combo Heat Cool 27-50047

    $250.99
  • Omega Evaporator Coil for Bus Sys with Foam 27-19513

    Omega Evaporator Coil for Bus Sys with Foam 27-19513

    $465.99
  • Omega Evaporator Assembly Rhd Formula Concord Plus 12V R134a 27-50044

    Omega Evaporator Assembly Rhd Formula Concord Plus 12V R134a 27-50044

    $400.99
  • Omega Evaporator Rev B Bus Sys S 27-19503

    Omega Evaporator Rev B Bus Sys S 27-19503

    $418.99
  • Omega Evaporator 16in with o Bezel 24 Pass RH 27-40000-24

    Omega Evaporator 16in with o Bezel 24 Pass RH 27-40000-24

    $456.99
  • Omega Evaporator Core Red Dot Rd-2-1272-op 27-R6310

    Omega Evaporator Core Red Dot Rd-2-1272-op 27-R6310

    $753.99
  • Omega Evaporator Assembly Microbus 6 Louver 12V Oring Black 27-50061-AM

    Omega Evaporator Assembly Microbus 6 Louver 12V Oring Black 27-50061-AM

    $407.99
  • Omega Evaporator Assembly Lhd Formula Concord Plus 12V R134a 27-50045

    Omega Evaporator Assembly Lhd Formula Concord Plus 12V R134a 27-50045

    $278.99
  • Omega Evaporator Assembly Microbus 6 Louver 12V Oring Grey 27-50054-AM

    Omega Evaporator Assembly Microbus 6 Louver 12V Oring Grey 27-50054-AM

    $407.99
  • Omega Evaporator Bronco 78-79 / F150-F350 75-79 T/f 27-33663

    Omega Evaporator Bronco 78-79 / F150-F350 75-79 T/f 27-33663

    $269.99
  • Omega Evaporator Assembly Underdash 3-LVR 12V 22 Pass Alum Rhd or 27-50034

    Omega Evaporator Assembly Underdash 3-LVR 12V 22 Pass Alum Rhd or 27-50034

    $330.99
  • Omega Evaporator Cool Only for Transit Units 27-19502

    Omega Evaporator Cool Only for Transit Units 27-19502

    $342.99
  • Omega Evaporator Formula Iii Underdash 12V Lhd Heat Cool 27-50014

    Omega Evaporator Formula Iii Underdash 12V Lhd Heat Cool 27-50014

    $319.99
  • Omega Evaporator Universal A/C BEU202-100 12V Black 27-50051-AM

    Omega Evaporator Universal A/C BEU202-100 12V Black 27-50051-AM

    $161.99
  • Omega Evaporator Minibus 5 Louvers 22 Pass Coil Walnut Finish 27-41502-AM

    Omega Evaporator Minibus 5 Louvers 22 Pass Coil Walnut Finish 27-41502-AM

    $317.99
  • Omega Evaporator Heat Cool Transit 27-19604

    Omega Evaporator Heat Cool Transit 27-19604

    $303.99
  • Omega Evaporator 24 Pass Cool 8 Pass Heat 27-13601-HC

    Omega Evaporator 24 Pass Cool 8 Pass Heat 27-13601-HC

    $290.99
  • Omega Evaporator BEU406-100 Grey 12 Volt 27-50050-AM

    Omega Evaporator BEU406-100 Grey 12 Volt 27-50050-AM

    $161.99
  • Omega Evaporator Stratus 01-02 Seebring Sedan 5018751AA 27-33321

    Omega Evaporator Stratus 01-02 Seebring Sedan 5018751AA 27-33321

    $77.99
  • Omega Evaporator Daruma Oring RH Drive Small 27-20143

    Omega Evaporator Daruma Oring RH Drive Small 27-20143

    $279.99
  • Omega Evaporator Minibus 5-LVR 12V Oring 22 Pass 4 Way Black 27-50052-AM

    Omega Evaporator Minibus 5-LVR 12V Oring 22 Pass 4 Way Black 27-50052-AM

    $296.99
  • Omega Evaporator Assembly Microbus 5 Louver 12V Oring 27-50028-AM

    Omega Evaporator Assembly Microbus 5 Louver 12V Oring 27-50028-AM

    $307.99
  • Omega Evaporator with 4 Flex Hose Outlets 3 Spd 12V 27-50029

    Omega Evaporator with 4 Flex Hose Outlets 3 Spd 12V 27-50029

    $280.99