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31-piece R134A valve core tool set with brass couplers, stainless stems, aluminum knobs, assorted caps and cores in a compact case

DNBeffulgent

DNBeffulgent RYX-R134Set 31-piece R134A valve core tool set

SKU CH-481Y-78P1J

A 31-piece R134A valve core tool set with high and low pressure couplers, 10 R134A cores, 10 5V1 cores, 8 service port caps and a double-ended removal tool

  • TypeRYX-R134Set
  • Standards/CertificationsTrue
  • Item Count12 pack
  • Selling UnitSet
  • 31-piece kit covers R134A and 5V1 valve cores
  • Red 16mm and blue 13mm couplers match high and low pressure ports
  • Brass body and stainless steel stem resist impact and corrosion
  • Aluminium knobs with anti-skid texture give secure grip
  • Quarter-turn ball valves stop refrigerant loss during core changes

31-piece R134A valve core service kit

This DNBeffulgent RYX-R134Set kit provides 31 pieces for R134A air-conditioning service. It includes high and low pressure couplers, a double-ended valve stem removal tool, 10 R134A valve cores, 10 5V1 valve cores and 8 service port caps. The set suits automotive and HVAC technicians who need to remove, install and replace valve cores on R134A systems.

Coupler sizing limits system compatibility

The red high-pressure coupler has a 16mm inner diameter and the blue low-pressure coupler has a 13mm inner diameter. Both couplers use a quarter-turn ball valve to isolate refrigerant when the core is swapped. The kit only fits service ports that match these two diameters, so it cannot be used on systems with different port sizes or on refrigerants other than R134A.

Brass and stainless construction determines

The removal tool bodies are made of brass for strength and impact resistance, while the valve stems are stainless steel for corrosion resistance. Aluminium knobs with an anti-skid texture provide grip during operation. This material combination is the single specification that decides whether the kit withstands repeated professional use.

Highlights

  • 31-piece kit covers R134A and 5V1 valve cores
  • Red 16mm and blue 13mm couplers match high and low pressure ports
  • Brass body and stainless steel stem resist impact and corrosion
  • Aluminium knobs with anti-skid texture give secure grip
  • Quarter-turn ball valves stop refrigerant loss during core changes

Specifications

TypeRYX-R134Set
BrandHUAREW
ModelRYX-R134Set
Standards/CertificationsTrue
Item Count12 pack
Selling UnitSet
Part NumberRYX-R134Set

Questions about this item

How do I choose between the high-pressure and low-pressure couplers included in this 31-piece set?

Use the red coupler with a 16mm inner diameter for high-pressure service ports and the blue coupler with a 13mm inner diameter for low-pressure ports; each has a quarter-turn ball valve to prevent refrigerant loss during core replacement.

What does the 31-piece count cover when I use this kit on a vehicle air-conditioning system?

The set supplies both quick-connect couplers, a double-ended valve stem removal tool, 10 R134a valve cores, 10 5V1 valve cores and 8 service port caps — everything needed to remove, install and reseal cores on R134A systems.

Which service-port standard do the red and blue quick couplers follow?

The couplers are built for R134A service ports; the red high-pressure side fits 16mm ports and the blue low-pressure side fits 13mm ports, matching the standard R134A high- and low-side connections.

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