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Service Tools

Manifolds, diagnostic equipment and hydraulic tubing tools.

34 products

Mastercool 67434 High Side R1234yf 10 mm - F x 17 mm Quick Coupler
-40%

Mastercool 67434 High Side R1234yf 10 mm - F x 17 mm Quick Coupler

$21.06$35.10
Mastercool 67534 Low Side R1234yf 10 mm - F x 14 mm Quick Coupler
-40%

Mastercool 67534 Low Side R1234yf 10 mm - F x 14 mm Quick Coupler

$13.12$21.87
Mastercool 90935 Alum Bond A/C Repair Epoxy 7 oz.
-40%

Mastercool 90935 Alum Bond A/C Repair Epoxy 7 oz.

$11.30$18.84
Mastercool 85525 R134A Recharge Kit
-40%

Mastercool 85525 R134A Recharge Kit

$10.65$17.75
Mastercool 85530 Refrigerant and Oil Charge Can Tap Valve 3-in-1 Tool
-40%

Mastercool 85530 Refrigerant and Oil Charge Can Tap Valve 3-in-1 Tool

$8.08$13.46
Mastercool 98134 R134a Low Side Octagon Socket
-40%

Mastercool 98134 R134a Low Side Octagon Socket

$6.62$11.03
Mastercool R-134a Can Tap Valve 1/2" ACME-Male With Safety Check Valve (85510)
-40%

Mastercool R-134a Can Tap Valve 1/2" ACME-Male With Safety Check Valve (85510)

$6.56$10.93
Mastercool Coupling Adapter 1/2" ACME-Female X 1/4" FL-Male R134a (82635)
-40%

Mastercool Coupling Adapter 1/2" ACME-Female X 1/4" FL-Male R134a (82635)

$4.50$7.50
Mastercool 81290 Universal Valve Core Remover/Installer (R12 and R134A)
-40%

Mastercool 81290 Universal Valve Core Remover/Installer (R12 and R134A)

$4.07$6.78
Mastercool Low-Side Hose Coupling Adapter Straight 1/2" x 13mm R134a (82272)
-40%

Mastercool Low-Side Hose Coupling Adapter Straight 1/2" x 13mm R134a (82272)

$4.07$6.78
12

Find Mastercool tools for diagnosis, measurement and workshop service. Choose by the task first, then confirm refrigerant compatibility, connection sizes and the accessories included with the exact model. For tubing and hose tools, check the supported material and size range before selecting a kit.

See technical instructions and compatibility resources, or contact our team with the model and application you have in mind.

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