Best Conversion Tools — top 25 on Amazon

#1

OMT A2L Refrigerant Adapter Set for R32 and R454B with Reverse Thread | Brass Construction; Zero-Leak Design; Vent Grooves; 1/4" LH Threads; Fitting Tool for HVAC Technicians

$9.99 ★★★★½ 4.5

#2

BFXM R134a to R1234yf Quick Coupler Adapter, Car Refrigerant Adapter Kit | High and Low Pressure Fittings for Evacuation and Recharging of R1234yf Automotive Air Conditioning Systems

$13.59 ★★★★½ 4.6

#3

2Pcs R1234yf to R134a Adapter,High & Low Pressure Side 1234yf Adapter | R1234yf Quick Coupler Convertion Connector,Car AC Refrigerant Recharge and Evacuation Conversion Connectors Kit

$8.99 ★★★☆☆ 3.4

#4

Phirocay 2-Pack HVAC Hexagon Bit Adapters for Tight-Space Valve Service | 3/16" and 5/16" dual-ended hex bit adapters fit 1/4" HVAC service wrench sockets for AC and refrigeration valve maintenance

$7.99 ★★★★★ 5.0

#5

Tigbear R1234YF Quick Coupler Kit, R1234yf to R134a Quick Coupler Adapter | R1234YF High and Low Side Quick Couplers Kit (R1234YF Adapter + Valve Cores Remover)

$10.99 ★★★★½ 4.9

#6

Fumoto ADP-10: Converting Adapter M10-1.5 | This adapter makes our F-133 Series valves (M12-1.25) available to install for the oil pans with M10-1.5 Threads.

$9.95

#7

TTLCFP 11 PCS R12 to R134A Conversion Kit, High & Low Side R12 to R134a Adapter with 1/4" to 7/16"-20 UNF Connection, Retrofit Adapter Fitting Kit for Air Conditioner Refrigerant System

$5.99 ★★★★★ 5.0

#8

THJMJN Car R12 to R134a Can Tap Kit, R12 to R134a Convert Vehicle High/Low Convert Adapters, Automotive Air Conditioner Refrigerant Adapter Accessories, Universal for SUV RV Truck

$9.99 ★★★★★ 5.0

#9

Tigbear R410A Mini Split Adapters, R410A Adapter Kit, R410A Charging Vacuum Port Connector with 5/16" Female to 1/4" Male, R410A Vacuum Pump Adapters for HVAC Refrigerant System

$7.99 ★★★☆☆ 3.4

#10

Tigbear R12 to R134A AC Fitting Adapter Kit for Auto A/C Refrigerant System | High/Low AC Fitting Port Retrofit Conversion Adapter, R12 to R134a Conversion Kit

$11.99 ★★★★☆ 4.2

#11

Brass 3-Way HVAC Tee Adapter, 1/4 In for sae, For R-134a/R-22/R407 | Tool-free Knurled Coupler, Valve Core And Depressor, Adds Port For Diagnostics, Charging, Evacuation

$8.91

#12

R1234yf Adapter & 1234yf Refrigerant Recharge Kit – R1234yf to R134a Adapter with Valve Core Removal Tool, AC Pro Recharge Kit R134a Compatible, 1234yf Adapter for Auto Air Conditioning Evacuation

$11.99 ★★★★☆ 4.2

#13

R32 R454B Refrigerant Brass Adapter, 1/4 Inch Female to 1/4 Inch Male Reverse Thread Fitting Non-slip Handle Connector Compatible with R-454B/R-32 Tanks Split Systems

$11.99 ★★★★☆ 4.3

#14

for r32 R454A Ball Valve Adapter 1/4 SAE-LH to for flare for(Blue) | Secure for r32/R454 connection, left-hand thread, precise sealing, HVAC charging, cylinder compatibility

$7.69

#15

TTLCFP 11 PCS R12 to R134A Conversion Kit, R12 R22 to R134A Car AC Valve Core & Dual Head Removal Tool Set, High/Low Fitting Port Adapter Kit for Air Conditioner Refrigerant System

$5.99

#16

KICHOUSE Air Conditioning Adapter Converter 4pcs Copper | Golden Finish, Quick Connect Disconnect Design, Excellent Sealing Performance, Hvac Technicians and DIY Home Mechanics

$13.29

#17

Ongfuwu 2PCS R1234yf Quick Couplers Kit, R1234YF to R134A Quick Conversion Kit, High/Low Side Quick Coupler Adapter for R1234yf Car Air Conditioning System Evacuation Recharging

★★★★½ 4.6

#18

R1234YF to R134A Adapter, A/C R134a to R1234yf Conversion Adapter Kit | R1234yf Quick Couplers Kit High/Low Side Quick Coupler R1234YF AC Charging Hose Adapter Fitting

$16.99 ★★★★½ 4.8

#19

JSTOTRIM Protect Net Moth Leaves Insect Guard Grille Grille Cover for Tesla Model 3 2017-2020 Accessories Air Conditioning A/C Intake System

$24.99 ★★★★½ 4.5

#20

OEMTOOLS 24561 Conversion Coupler Set (R134a to HFO-1234YF), 1 Pack

$67.99 ★★★★½ 4.6

#21

2pcs R12 to R134a Conversion Kits, High/Low Pressure R12 to R134a AC Retrofit Fitting Adapter Kits R12 to R134a Adapter with Valve Core Wrench for Car Air Conditioner Refrigerant System

★★★★☆ 4.1

#22

Portable Air Conditioner Flat Exhaust Hose Adapter (Flat Nozzle Connector) | Fits 130mm inner &150mm outer exhaust hoses,Lightweight compact design for Window Door Unit Dryer Vent Conditioning

$10.89

#23

4 Pack Copper HVAC Adapter Kit, R22 to R410A Conversion Connectors, Metric to SAE Adapter Fittings for AC Vacuum Pumps, Home and Compatible Auto Air Conditioning Systems

$15.89 ★★★★★ 5.0

#24

Brass R32 Left-Handed Thread Adapter, 1/4 SAE Female to 1/4 Male for R454B Canisters, Knurled Grip HVAC Tool for Mini Split AC Service and Pressure Gauge Connection

$8.49

#25

R12 to R134A AC Fitting Conversion Adapter Kit, Quick Connector Valve A/C 90° Port Conversion Coupler Adapter High/Low Pressure with Valve Core Remover for AC Air Conditioner (Silver Straight Adapter)

★★★★½ 4.4