ATD Tools R12 to R134a Manifold Gauge Coupler Conversion Kit — ATD-3525

The ATD-3525 adapts existing R12 manifold gauge sets for R-134a vehicle service — an economical path for shops transitioning older equipment. Includes R134a 90° quick couplers and a 1/2″ ACME female to 1/4″ MFL adapter for R134a tanks. 90° couplers minimize stress on underhood service port fittings. Converts R12 manifold gauge sets for R-134a service on domestic and import passenger cars and light trucks (1994–2021). Gauge-set connection conversion only — does not convert the vehicle system’s refrigerant, as well as lift trucks, on/off-highway diesel vehicles. ATD Tools produces a complete range of A/C service accessories and conversion components for real-world shop economics. Ships nationwide. Convert your R12 gauges to R134a service with the ATD-3525 today. Compare Similar Products ATD-3525 — This Product ATD-3502 R134a U-Charge Kit Brand MPN ATD Tools ATD-3525 ATD Tools ATD-3502 Key Differentiator — (this is the product you are viewing) Standalone R134a charging without gauge set Best For Converts existing R12 gauge sets for R134a service — no new set needed Simple R134a top-off Price [your price] View Price → Which Should You Buy? The ATD-3525 extends the life of an existing R12 gauge set for R134a service. For a simple can-to-port charging solution without a gauge set, the ATD-3502 handles basic top-offs independently. Browse all A/C Charging Equipment at Sinclair Auto Parts.