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Chrome G1/4 inch stop plug fitting with hexagonal head

Alphacool

Alphacool 17197 G1/4" HF Stop Plug Fitting Chrome

SKU CH-B7R6-DX0EK MPN 17197

Chrome G1/4" stop plug seals unused ports on radiators, reservoirs and other liquid-cooling components for a uniform finish

  • Key featuresAlphacools's fittings go new ways in looks, quality of manuf

Color Chrome

  • G1/4 thread fits radiators, reservoirs and other components
  • Chrome finish matches colour-themed modding projects
  • Alphacool manufacturing quality ensures reliable sealing
  • Simple stop plug closes unused ports cleanly
  • Also available in Deep Black for uniform aesthetics

G1/4 Inch Chrome Stop Plug

The Alphacool 17197 is a G1/4 inch chrome stop plug designed for custom water-cooling loops. It seals unused ports on radiators, reservoirs and other components. The chrome finish matches other fittings for a uniform appearance in modding projects. Builders needing a simple, colour-matched port closure will find it suitable.

Passive sealing component

This fitting has no moving parts, fans or electrical elements, so it produces no noise and draws no power. Thermal performance is determined by the loop it helps seal rather than by the plug itself. Once installed it remains static and requires no active cooling. It simply closes a port to maintain system integrity.

Replaces open ports or mismatched plugs

It upgrades from leaving a port open or using a fitting that clashes with the build's colour scheme. The jump is worth it when a clean, chrome-matched seal is needed for aesthetic consistency. It is not for builders who need a functional port for tubing, sensors or drainage.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $1.81
Cheaper than about 95% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameAlphacool
Model name17197
Part number1011037

Other versions of this model

5 more in the same range

Questions about this item

How do I install the G1/4" HF stop plug into a radiator port without cross-threading the chrome finish?

Hand-tighten the 17197 plug into the G1/4" female port until the O-ring seats, then give a light quarter-turn with a soft-jaw wrench; forcing it damages the chrome plating and the threads.

Will the chrome plating on this stop plug need replacement or re-coating after long-term coolant exposure?

The chrome finish on the 17197 is a durable electroplate; it does not require re-coating, though the internal O-ring should be inspected annually and replaced if it shows flattening or cracking.

What is the first limit reached when this plug remains under constant loop pressure and temperature cycles?

The primary limit is the O-ring's compression set; over time it loses elasticity and may seep, so the seal fails before the chrome body or G1/4" threads show wear.

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