If you're looking to top up your car's AC and think an oil injector, manifold or vacuum pump "may" not work together, buy both a female and male counterpart as well. That "other people are buying this too" under whatever component you're looking at is probably filled with this and other fittings. They are inexpensive and fully correspond to the description.
🔍 UView 560000 Combustion Leak Tester: A Reliable Tool for Efficient Diagnosis
9 Review
💨 Robinair (15115) VacuMaster Single Stage Vacuum Pump - For Efficient Single-Stage Vacuuming, Delivers 1.5 CFM
9 Review
🌬️ UView Airlift Cooling Checker 550000
9 Review
💪 Enhanced Universal R134A Valve Core Remover/Installer by Mastercool (81290)
9 Review
Xiaomi Mijia Ratchet Screwdriver 16 in 1 Screwdriver with Interchangeable Bits, 10 pcs, Black
22 Review
Bit and socket set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
46 Review
Xiaomi Mi x Mijia Wiha Precision Screwdriver Set (DZN4000CN), 25 pcs
34 Review
Cordiant Winter Drive 2 255/55 R18 109T
33 Review