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Blue coated brass 4-way G 1/4in adapter block 23.9mm cube

Bykski

Bykski G 1/4in Female 4-Way Quad Adapter Block Blue 23.9mm

SKU CH-MCWF-C7W3X

A G 1/4 inch female quad adapter block that creates a four-way intersection for custom loops, made from coated brass in blue and measuring 23.9 mm per side

  • Product typeCPU Block
  • Product colorBlue
  • Four-way intersection for flexible loop routing
  • G 1/4in female threads fit standard fittings
  • Coated brass construction resists corrosion
  • Compact 23.9 mm cube saves space
  • Designed for non-aluminium custom loops

G 1/4in Quad Adapter for Custom Loops

The Bykski G 1/4in Female 4-Way Quad Adapter Block joins four G 1/4in fittings into a single intersection for custom liquid-cooling builds. Its coated brass body measures 23.9mm on each side and presents a blue finish. The block is designed for non-aluminium loops only.

Flow Path and Material Compatibility

Internal passages connect each port directly so coolant moves through the junction without added restriction. The coated brass construction resists corrosion in standard glycol-based fluids. The manufacturer warns that the internal finish may not suit DI water coolants and is incompatible with PrimoChill Opaque and VUE coolant series.

Single Block with No Extras

The package contains only the quad adapter block itself; no additional fittings, plugs or tools are supplied. Builders must provide their own G 1/4in compression or barb fittings to complete the four connections. No software or mounting hardware is included or required.

How it compares

Measured against everything we stock in Heatsinks & Water Blocks, at today’s prices. Recalculated every night.

Price $16.99
Typical for this category: the median of 609 items is $15.99.

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Specifications

Product
Product typeCPU Block
Product colorBlue

Questions about this item

How do I install the Bykski G 1/4in 4-Way Quad Adapter Block and which step do people get wrong?

Thread each of the four G 1/4in fittings into the coated brass ports by hand, then snug them with a wrench; the step most builders miss is forgetting to check that every port faces the correct direction before final tightening, because the 23.9mm cube cannot be rotated once the loop is filled.

What maintenance or replacement will this adapter block need later?

Inspect the coated brass threads and internal finish during each coolant change; replace the block if you see corrosion, plating wear, or if you switch to a coolant the warnings list as incompatible such as PrimoChill Opaque or VUE series.

What limit shows up first under sustained use?

The coated brass interior finish is the limiting factor — it may degrade with DI water based coolants or the excluded PrimoChill formulas, restricting flow or leaching residue long before the structural brass itself would fatigue.

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