Name: ATD Tools R12 to R134a Manifold Gauge Coupler Conversion Kit — ATD-3525
Brand: ATD Tools
SKU: ATD-3525
Price: 19.23 USD
Availability: InStock

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

The ATD Tools ATD-3525 R134a/R12 Coupler Conversion Kit converts R12 manifold gauge sets for R134a service. Includes R134a 90° quick couplers and a 1/2″ ACME F x 1/4″ MFL tank adapter. Saves cost of full gauge set replacement. Ships nationwide.

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.

Weight	0.6 lbs
Dimensions	5 × 4 × 2 in
Refrigerant Types	R-134a (converts from R-12 gauge set)
Vehicle Makes	Universal — all vehicles with R-134a A/C
Vehicle Types	Passenger cars, light trucks, lift trucks, on/off-highway diesel vehicles
Model Year Range	1994–2021
System Type	Mobile A/C charging and service
Drive Size / Torque Range	N/A
Professional Trade(s)	Automotive A/C technicians, Lift truck service technicians, Diesel technicians
Certifications / Standards	N/A
NOT Compatible With	Gauge connection conversion only — not a system refrigerant retrofit kit.