Mastercool is the leading manufacturer of professional quality A/C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mastercool, every manifold we build is built to last. 66661: Brass R134a Manifold Gauge Set includes 3 – 60” hoses and economy couplers. Packaged in […]

2 1/2” silicone dampened, recalibrateable gauges Extra access port for vacuum line R1234yf high and low side quick couplers R134a high and low side economy couplers 1/2” acme-m x 1/2” acme-f LH thread adapter (2) 12 mm-m x 14 mm-F R1234yf adapters Set of 3 – R134a standard hoses 66636-AYF: R1234yf/R134a brass manifold gauge set, 2 […]