Auto A/C Retrofit - Change the refrigerant in any auto A/C system to R-134a with complete retrofit kits.
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Auto air conditioning - Auto A/C troubleshooting, service, repair, recharge and retrofit manuals for all A/C technicians... from the apprentice to the pro!


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Complete Retrofit Kit for all LATE MODEL A/C Systems -A 5701
High Side R-12 Charge Port is SMALLER than low side charge port

Complete Retrofit Kit for LATE MODEL A/C Systems; The most popular retrofit kit will convert most A/C systems from R-12 to R-134a refrigerant (freon). Includes adapters, caps, HNBR o-rings, Label and 8oz. Polymax2™ Refrigerant (A/C Compressor) oil. Polymax2™ has proven to be the best non-hygroscopic refrigerant oil for retrofitting. Cooler compressor operating temperatures and better A/C performance. Complete kit includes everything required!
$ 17.75 each kit - View more details on this product

Complete Retrofit Kit for all EARLY MODEL A/C Systems -A 5702
High and Low side R-12 Charge Ports are the SAME SIZE

Complete Retrofit Kit for LATE MODEL A/C Systems; For older R-12 applications (pre- 1977) where the high and low charge port are the same size. Includes adapters, caps, HNBR o-rings, Label and 8oz. Polymax2™ Refrigerant (A/C Compressor) oil. Polymax2™ has proven to be the best non-hygroscopic refrigerant oil for retrofitting. Cooler compressor operating temperatures and better A/C performance. Complete kit includes everything required!
$ 17.75 each kit - View more details on this product

Complete Retrofit Kit for all GM LARGE BORE A/C Systems -A 5703
High Side R-12 Charge Port THREADS into line (Primary Seal)

Complete Retrofit Kit for GM LARGE BORE A/C Systems; Where GM A/C system uses original 'thread in' charge port on R-12 system. Kit includes adapters, caps, HNBR o-rings, Label and 8oz. Polymax2™ Refrigerant (A/C Compressor) oil. Polymax2™ has proven to be the best non-hygroscopic refrigerant oil for retrofitting. Cooler compressor operating temperatures and better A/C performance. Complete kit includes everything required!
$ 17.75 each kit - View more details on this product

Complete Retrofit Kit for all CHRYSLER A/C Systems using Gaskets -A 5704
High Side R-12 Charge Port is SMALLER than low side charge port

Complete Retrofit Kit for CHRYSLER A/C Systems using GASKETS; For all Chrysler applications that use gasket seals. (Use A-5701 for Chrysler applications using standard o-ring seals). Kit includes adapters, caps, HNBR o-rings, Label and 8oz. Polymax2™ Refrigerant (A/C Compressor) oil. Polymax2™ has proven to be the best non-hygroscopic refrigerant oil for retrofitting. Cooler compressor operating temperatures and better A/C performance. Complete kit includes everything required!
$ 19.48 each kit - View more details on this product
Retrofit Components

Retrofit Adapters and Service Caps - A 4411

Retrofit Adapters only - For High and Low side charge ports
Retrofit Adapters and Caps only; Thread on adapters fo convert your A/C system to R-134a. Kit of 2 adapters includes high and low side adapters and service caps.
$ 8.95 each (Set of 2)- View more details on this product

HPCO - High Pressure Cut out Switches - A 4445 for 3/8" - 24 Port

HPCO Switches- High Pressure Cut Out Switches
High Pressure Cut Out Switch Kit - 3/8" - 24 thread on T Adapter;
Smaller high side port;
HPCO Switch provides safety cut out for A/C compressor if high pressures of the A/C system get too high. Kit includes charge port adapter, cap, switch and wiring harness w/48" (122 cm.) of wire. Instruction and wiring diagram included.
$ 39.95 each (Complete Kit) - View more details on this product

HPCO - High Pressure Cut out Switches - A 4446  for 7/16" - 20 Port

HPCO Switches- High Pressure Cut Out Switches
High Pressure Cut Out Switch Kit - 7/16" - 20 thread on T Adapter;
Larger high side - Both high and low same size;
HPCO Switch provides safety cut out for A/C compressor if high pressures of the A/C system get too high. Kit includes charge port adapter, cap, switch and wiring harness w/48" (122 cm.) of wire. Instruction and wiring diagram included.
$ 39.95 each (Complete Kit) - View more details on this product


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Auto air conditioning service products, repair and troubleshooting manuals are available at the COOL ZONE! Secure on-line transactions powered by WorldPay!

Keepin' Cool - Your best automotive air conditioning e-zine with updated information on auto A/C parts and general service information. All available from autoACsystems and the COOL ZONE! Your on-line A/C Connection! Polymax Refrigerant Oil - Replaces PAG, Ester and Mineral oil - Approved for use in all Auto A/C systems and with all refrigerants too! R-134a! R-12! Hydrocarbons and blends! HC's! R-12a and more! Braze Perfect! Simply the world's easiest aluminum brazing solution! Repair A/C hoses and lines with a standard propane torch!

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