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Brass G 1/4in male/female extension coupler, 50mm, diamond knurled silver finish

Bykski

Bykski G 1/4in Male/Female Extension Coupler 50mm

SKU CH-QCZY-8TRKS

Brass G 1/4in male-to-female extension coupler adds 50 mm of clearance for custom-loop fittings

  • Product typeCPU Block
  • Product colorSilver
  • G 1/4in male/female threads connect any compatible fitting
  • 50 mm extension adds clearance for tight routing
  • Brass construction with diamond knurling resists corrosion and eases hand tightening
  • 55 mm total height including threads fits standard loop spacing
  • Designed for non-aluminium loops; not suited for DI water or PrimoChill opaque coolants

G 1/4in Extension Coupler for Custom Loops

This brass coupler adds 50 mm of effective length between two G 1/4in threaded components. It solves clearance problems when a fitting sits too close to a block, radiator or pump. The male-to-female design keeps the thread standard consistent throughout the loop. Builders working in tight chassis or around bulky hardware will find it useful.

Passive Brass Construction

The part has no moving parts, fans or electrical draw, so it adds zero noise and zero power consumption to the system. Thermal performance depends entirely on the coolant and blocks it connects, not on the coupler itself. Brass conducts heat well, but the short 55 mm overall height limits any measurable impact on loop temperature. No active cooling is required or possible.

Diamond-Knurled Brass Body

The diamond knurl provides grip for hand-tightening without tools, reducing the risk of over-torquing soft acrylic or acetal tops. Threads are standard G 1/4in male on one end and female on the other, matching almost all common fittings. The supplier warns that the internal finish may react with distilled-water coolants and is incompatible with PrimoChill Opaque and VUE series fluids. Use only in non-aluminium loops.

How it compares

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

Price $17.99
Pricier than about 57% of the 609 comparable items (median $15.99).

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Specifications

Product
Product typeCPU Block
Product colorSilver

Questions about this item

How do I install the 50 mm G 1/4in extension coupler without damaging the diamond knurling?

Hand-tighten the brass coupler into the female G 1/4in port until the O-ring seats, then use a soft-jaw wrench on the knurled section for a final quarter-turn; over-tightening strips the fine threads.

What maintenance will the brass extension coupler need in a non-aluminium loop?

Inspect the O-ring annually for flattening or cracking and replace it if coolant weeps; the brass body itself requires no scheduled replacement.

At what point does the 55 mm installed height become a clearance limit in a tight build?

The 55 mm overall length hits first when routing between a GPU block and a side-panel window, so measure that gap before committing to the coupler.

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