Fittings & Couplers


1/4" R12 to R1234YF Coupler #3625 - Click to Purchase
1/4" R12 to R1234YF High Side Snap Coupler #3626 - Click to Purchase
1/4" R12 to 1234YF High & Low Side Snap Coupler Set #3627 - Click to Purchase
1/4" R12 to R1234YF Low Side Thread Down Coupler #3115 - Click to Purchase
R134a to R1234YF Coupler #3630 - Click to Purchase
R12 to 134a Low Side Thread Down Coupler #3055 - Click to Purchase

R12 to 134a Low Side Thread Down Coupler #3055

Thread down couplers are used for hard-to-reach Schrader valves.

$15.24 Quantity:

R12 to 134a High Side Thread Down Coupler #3060 - Click to Purchase
R12 to 134a Lowside Thread Down Coupler #3065 - Click to Purchase

R12 to 134a Lowside Thread Down Coupler #3065

With 1/4" ends to fit R12 gauges. Thread down couplers are used for hard-to-reach schrader valves.

$16.34 Quantity:

R12 to 134a High Side Thread Down Coupler #3070 - Click to Purchase

R12 to 134a High Side Thread Down Coupler #3070

With 1/4" ends to fit R12 gauges. Thread down couplers are used for hard-to-reach schrader valves.

$16.34 Quantity:

R12 to 134a Low Side Professional Snap Coupler - Brass #3045 - Click to Purchase

R12 to 134a Low Side Professional Snap Coupler - Brass #3045

Need to convert your R12 gauge set to 134a - use this coupler!

$11.28 Quantity:

R12 to 134a Low Side Economy Snap Coupler - Aluminum #3046 - Click to Purchase

R12 to 134a Low Side Economy Snap Coupler - Aluminum #3046

Perfect for using occasionally!

$5.50 Quantity:

R12 to 134a High Side Professional Snap Coupler - Brass #3050 - Click to Purchase
Low Side 90° Retro Fitting #3056 - Click to Purchase
High Side 90° Retro Fitting #3018 - Click to Purchase
Low Side Retrofit with Cap #3005 - Click to Purchase
High Side Retrofit Small Hole Fitting #3010 - Click to Purchase
High Side & Low Side Retrofit Set #3000 - Click to Purchase

High Side & Low Side Retrofit Set #3000

Contains 1 high side adapter and 1 low side adapter. This kit makes converting a no-brainer! Blue cap is low side -- low side on most vehicles is larger line. Red Cap is high side. For more information on this product, click the product title above.

$4.40 Quantity:

High Side Industrial Retrofit Large 1/4" Hole w/Cap #3020 - Click to Purchase
Retrofit Set #3017 - Click to Purchase

Retrofit Set #3017

$6.60 Quantity:

GM High Side Retrofit with Schrader #3015 - Click to Purchase
R12 R22 R502 Brass 1/4" Service Port Caps Hex Head - Click to Purchase

R12 R22 R502 Brass 1/4" Service Port Caps Hex Head


Please select an option from the list below:

Price/Option: Quantity:

R12 R22 R502 Brass 1/4" Service Port Caps Gnarled Head - Click to Purchase

R12 R22 R502 Brass 1/4" Service Port Caps Gnarled Head


Please select an option from the list below:

Price/Option: Quantity:

R12 R22 R502 Black 1/4" Service Port Caps - Click to Purchase

R12 R22 R502 Black 1/4" Service Port Caps


Please select an option from the list below:

Price/Option: Quantity:

Customers Also Bought:

Dial Pocket Thermometer #5045 - Click to Purchase

Dial Pocket Thermometer #5045

Ranges from 0 to 220 F

$7.15 Quantity:

Enviro-Safe 134a Replacement Refrigerant w/ Stop Leak Cans & Cases - Click to Purchase

Enviro-Safe 134a Replacement Refrigerant w/ Stop Leak Cans & Cases

Our newest refrigerant product!!


Please select an option from the list below:

Price/Option: Quantity:

Enviro-Safe Industrial R134a Replacement 8 oz cans & cases - Click to Purchase

Enviro-Safe Industrial R134a Replacement 8 oz cans & cases

Each can is equivalent to 21 ounces of 134a!


Please select an option from the list below:

Price/Option: Quantity:

Newsletter Signup: