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Wunder-Bar Bargun M4 Stem Seal O-Ring Installation Tool
4.0 (28 items)
Limited Time SaleUntil the end
06
04
28
$2.71 cheaper than the new price!!
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New $4.51
Product details
| Management number | 233113818 | Release Date | 2026/06/21 | List Price | $1.80 | Model Number | 233113818 | ||
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The Wunder-Bar M4 Stem Seal Tool is a specialized service instrument designed for the repair of commercial bar guns. This tool allows for the precision removal and installation of the tiny O-rings and stem seals inside the M4 manifold. Using the correct tool prevents damage to the delicate plastic manifold walls and ensures that seals are seated perfectly for a drip-free operation. A must-have for draught technicians and bar managers performing gun rebuilds.
Technician's Note: Manually prying seals with a screwdriver can scratch the manifold bore, leading to permanent leaks. This tool is designed to distribute pressure evenly. Always lubricate new seals with food-grade O-ring grease (Petrol-Gel) before using the tool to seat them, ensuring a smooth fit and a long service life.
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