023-80095-00 Mahle Red High Side Service Coupler All R134A Machines & Gauge Sets. Highside Service Coupler 134a. Field service couplers connect to hoses to allow access to service ports on automotive R-134a A/C systems.

023-80096-00 Mahle Blue Low Side Service Coupler All R134A Machines & Gauge Sets. Lowside Service Coupler 134a. Field service couplers connect to hoses to allow access to service ports on automotive R-134a A/C systems.

17772 Robinair 14mm O-Ring belongs on the machine thread end of a 134A hose nearest the coupler or on the seal between the two halves of a quick fitting.

17773 Robinair O-Ring For R-134a Quick Seal Fittings (2 Pack). Fits the internal face of the quickseal fitting on 134A hoses for recovery equipment, gauge set hoses and tank fill hoses with 1/2" ACME fittings.

Lowside Service Coupler 134a. Field service couplers connect to our special Enviro-Guard hoses to allow access to service ports on automotive R-134a A/C systems.

Highside Service Coupler 134a. Field service couplers connect to our special Enviro-Guard hoses to allow access to service ports on automotive R-134a A/C systems.

18192 Robinair High/Low Side Service Couplers 134a. Field service couplers connect to our special Enviro-Guard hoses to allow access to service ports on automotive R-134a A/C systems.

The 18341 R134A Automatic Service Coupler Set features a unique automatic design which open automatically upon connection to the service port, you no longer are required to screw open or closed the valve actuator on the coupler to access the system.

O-Ring Kit For 18190A & 18191A Couplers

O'Ring Repair Set For R134A Service Couplers

R134a Manual Quick Coupler - HS: This is the 14mm x 1.5 R134a manual service couplers - High Side

R134a Manual Quick Coupler - LS: This is the 14mm x 1.5 R134a manual service couplers - Low Side

R134a Manual Quick Coupler - HS - 1/4": This is the 1/4"R134a manual service couplers 90 degree R134a quick coupler - High Side

R134a Manual Quick Coupler - LS - 1/4": This is the 1/4"R134a manual service couplers 90 degree R134a quick coupler - Low Side

R134a 90 Degree Quick Coupler - HS 14mm x 1.5: This is the 90 degree R134a Quick Coupler - High Side

R134a 90 Degree Quick Coupler - LS 14mm x 1.5: This is the 90 degree R134a Quick Coupler - Low Side

R134a Straight Quick Coupler - LS 14mm x 1.5: This is the Straight R134a Quick Coupler - Low Side

R134a 90 Degree Quick Coupler 1/4" - HS: This is the high side 1/4" R134a service coupler 90 degree quick coupler with 1/4" hose connection and anti blowback. For use converting R12 gauge set to R134a

R134a 90 Degree Quick Coupler 1/4" - LS: This is the low side 1/4" R134a service coupler 90 degree quick coupler with 1/4" hose connection and anti blowback. For use converting R12 gauge set to R134a.

R134a Quick Coupler Set: This is the 90 degree R134a quick coupler set with 14mm x 1.5 hose connections, anti blowback and these are replacement couplers for all R134a manifold gauge sets.

BMW R134a Quick Coupler: This high side coupler has an extended body for those hard to reach service ports on some BMW models.

R12 Gauge Conversion Kit - w/Manual Couplers: This set allows you to convert R12 gauges to R134a gauges

R12 Gauge Conversion Kit - w/Quick Couplers: This set allows you to convert R12 gauges to R134a gauges with 90 degree quick couplers.

Mastercool 66434-R High Side Standard R134a 1/4” FL-M x 16 mm Economy Coupler (Red).

Mastercool 66434-R Low Side Standard R134a 1/4” FL-M x 13mm Economy Coupler (Blue).

6820 FJC R1234YF Conversion Kit Manual Couplers converts R-12 or R-134a Manifold sets to use HFO1234yf gas. Includes new HFO couplers, adapters for 1/4" & 1/2" ACME hoses. Includes 1) 6801 Highside Manual Coupler with M12 Fitting, 1) 6802 Lowside Manual Coupler with M12 Fitting, 2) 6826 Coupler to 1/4in. Hose Adapter M12 Fitting, 2) 6827 Coupler to R134a Hose Adapter M12 Fitting, 1) 6822 1234yf Left Hand ACME Female X 1/2 ACME Male Hose Adapter, 1) 6821 1234yf Left Hand ACME Female X 1/4 Flare Male Hose Adapter.

6821 FJC Inc. 1234yf Left Hand ACME Female X 1/4 Flare Male Tank Adapter

6822 FJC Inc. 1234yf Left Hand ACME Female X 1/2 ACME Male Tank Adapter

6826 FJC Inc. R1234YF M12 Coupler to 1/4" SAE Flare Hose Adapter (Each)

6827 R1234YF Coupler to R134a Hose Adapter. Use to adapt R1234YF service port coupler to M14 R134a hoses. M14 female x M12 male adapter. Includes O-ring

R1234yf Tank Adapter for 1234yf tank to R-12 & R-134a gauge sets. Connect a R1234yf refrigerant tank to R-12 or R-134a hoses. Includes adapters to connect a R-12 or R-134a to a R-1234yf refrigerant tank. 1) – 1/2″ ACME Male x 1/2″ ACME Female ACME Left Hand thread. 1) – 1/4″ SAE Male Flare x 1/2″ ACME Female Left Hand thread

Replacement O-Ring For R134A Manual Coupler (High Side) (10 Per Bag)

Replacement Gasket For R134A Manual Coupler (Low Side) (10 Per Bag)

High Side E-Z Snap R134A 14mm-F X 16mm Quick Coupler

High Side E-Z Snap R134A 1/4" Fl-M X 16mm Quick Coupler

High Side E-Z Snap R134A M12 X 1.75 X 16mm Quick Coupler

Low Side E-Z Snap R134A 14mm-F X 13mm Quick Coupler

Low Side E-Z Snap R134A 1/4" Fl-M X 13mm Quick Coupler

Low Side E-Z Snap R134A M10 X 1.5 X 13mm Quick Coupler

13mm-M X 13mm-F Low Side Coupler (R134A)

Mastercool 82834 High-Side Manual R134a 14mm-F x 16mm Quick Couplers (Red) are patented manual couplers adjust easily to R134a service ports with varying dimensions. All metal construction for extra durability. Patented, spring loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without losing refrigerant. Meets SAE, UL and EPA requirements for containment of refrigerant. Color coded. Patent# 5,370,359

Mastercool 82834-E High-Side Manual R134a 1/4” FL-M x 16mm Quick Couplers (Red) are patented manual couplers adjust easily to R134a service ports with varying dimensions. All metal construction for extra durability. Patented, spring loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without losing refrigerant. Meets SAE, UL and EPA requirements for containment of refrigerant. Color coded. Patent# 5,370,359

High Side Manual R134A M12 X 1.75 X 16mm Quick Coupler

82834-SL-E Mastercool High Side Manual R134a Safety Lock Coupler 1/4" Flare Male by 16mm - Patented manual couplers adjust easily to R134a service ports with varying dimensions. All metal construction for extra durability. Patented, spring loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without losing refrigerant. Meets SAE, UL and EPA requirements for containment of refrigerant. Color coded.

Mastercool 82836 High Side Extra Long 14mm-F x 16mm (Red) is an extra long high side R134a coupler used on BMW E60 (2003-2009 5 series) and some volvo models. This extra long high side coupler can easily reach the service port.

The Mastercool 82934 Low-Side Manual R134a 14mm-F x 13mm Quick Coupler (Blue) are patented manual couplers adjust easily to R134a service ports with varying dimensions. All metal construction for extra durability. Patented, spring loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without losing refrigerant. Meets SAE, UL and EPA requirements for containment of refrigerant. Color coded. Patent# 5,370,359

The Mastercool 82934-E Low-Side Manual R134a 1/4" FL-M x 13mm Quick Coupler (Blue) are patented manual couplers adjust easily to R134a service ports with varying dimensions. All metal construction for extra durability. Patented, spring loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without losing refrigerant. Meets SAE, UL and EPA requirements for containment of refrigerant. Color coded. Patent# 5,370,359

Low Side Manual R134A M12 X 1.5 X 13mm Quick Coupler

82934-SL-E Mastercool Low Side Manual R134a Safety Lock Coupler 1/4" Flare Male by 16mm - Patented manual couplers adjust easily to R134a service ports with varying dimensions. All metal construction for extra durability. Patented, spring loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without losing refrigerant. Meets SAE, UL and EPA requirements for containment of refrigerant. Color coded.

Std Couplers W/1/4 Fl X 1/2 Acme Adapter Kit

High side (red) 90º degree snap coupler x 14MM made in the USA. Quick connect/disconnect valve actuation without refrigerant venting. Safety sleeve holds coupler securely to service port.

Low side (blue) 90º degree snap coupler x 14MM made in the USA. Quick connect/disconnect valve actuation without refrigeration venting. Safety sleeve holds coupler securely to service port.

AC-14530 JB Industries High Side 90 Straight Snap Coupler X 14MM

AC-14535 JB Industries Low Side Straight Snap Coupler X 14MM

AC-15530 JB Industries High Side Red 90° Snap Coupler x 1/4" SAE - High side (red) 90 degrees snap coupler X 1/4" SAE. Quick connect/disconnect valve actuation without refrigeration venting. Safety sleeve holds coupler securely to service port. Color-coded knobs.

AC-15535 JB Industries Low Side Blue 90° Snap Coupler x 1/4" SAE - AUTOMOTIVE - Low side (blue) 90 degrees snap coupler X 1/4" SAE. Quick connect/disconnect valve actuation without refrigeration venting. Safety sleeve holds coupler securely to service port. Color-coded knobs. Made in the USA.

QC1214SET HFO1234yf Conversion Set includes a manual coupler set with 14mm hose fittings for R-134a gauges. Features 6 latching balls to provide superior alignment and seal. 14mm female thread fits on R-134a manifold gauges. Convert older R-134a manifolds to use with HFO1234yf. Includes AD88L HFO Tank adapter, 1/2" Acme Male Right Hand Thread x 1/2" Acme Female Left Hand Thread.

Quick Connect couplers for automotive 134a fittings feature quick push on air hose style coupling action. 14mm hose thread for most 134a hoses.

These patented couplers include latching balls to provide superior service port alignment, cross pin valve depressor control, and a safety sleeve to prevent accidental refrigerant venting.

This automotive coupler set can be used to connect 1/4" flare fitting hoses to be used for R-134a automotive applications. Includes (1) CPSAD84 1/2" ACME Female X 1/4" Male Adapter for tanks.

Change your old R-12 brass manifold to R-134a with the QC90SET . Many A/C injectors use the quick connect snap style for the low side dye/oil application.

This patented coupler includes latching balls to provide superior service port alignment, cross pin valve depressor control, and a safety sleeve to prevent accidental refrigerant venting. 14mm hose fitting.

R-134a HI Side Snap Coupler, 14mm Fittings

R-134a HI Side Premium Manual Coupler, 1/4" SAE Fittings

Change your old R-12 brass manifold to R-134a with using the QCH90 coupler. Many A/C injectors use the quick connect snap style for the low side dye/oil application.

This patented coupler includes latching balls to provide superior service port alignment, cross pin valve depressor control, and a safety sleeve to prevent accidental refrigerant venting. 14mm hose fitting.

R-134a LO Side Snap Coupler, 14mm Fittings

R-134a LO Side Premium Manual Coupler, 1/4" SAE Fittings

Change your old R-12 brass manifold to R-134a with this LO side coupler . Many A/C injectors use the quick connect snap style for the low side dye/oil application.

HI (5ea.) & LO (5ea.) O-Rings for Premium Couplers (QCH90/QCL90)

HI (5ea.) & LO (5ea.) O-Rings for Premium Couplers (QCH14/QCL14). Use with older version of CPS Premium Coupler (Brass Or Chrome Finish with blank handles) Use black o-rings. Low side is 5/8" OD X 7/16" ID. High side is 3/4" OD X 9/16" ID X 3/32" Thick. Current Version of the CPS Premium Coupler (CPS Labels on the knob) Use the green o-rings. Low side is 15.6 mm OD X 10.8 mm ID X 2.4 mm Thick. High side o-ring is 18.6 mm OD X 13.8 mm ID X 2.4 mm Thick.