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Regular Price: $21.36 - Instant discount: $3.56 = $17.80
Product Fitment:
2008-2021 Subaru STI
The Koyo PI-2182 adapter is a precision-engineered 8 mm coolant reservoir fitting designed to work with the Koyo Radiator part VH091662. When the original adapter becomes lost, damaged or corroded, the PI-2182 offers an exact replacement to restore proper coolant system function and plug integrity.
Key Features:
8 mm size – specifically suited for reservoir/fitting interface on compatible systems
Compatibility with radiator part VH091662 in Subaru applications
Ideal for replacing missing or damaged adapter fittings
Simple replacement part without requiring full radiator replacement
Whether you’re performing a coolant system overhaul or just replacing a worn fitting, the PI-2182 ensures you maintain factory fit, function and system reliability.
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