Comes off of the thermostat
Restore your BMW's factory sealing integrity and keep your underbody clean with this all-in-one o-ring kit.
Used to seal the end of the water pump inlet pipe to the engine block
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This product was last offered at the strikethrough price on
08-26-2026
This billet aluminum flange allows for a clean and secure deletion of the factory upper coolant line, which is often redundant or obstructive when moving away from stock-frame turbochargers.
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The gold standard for builders who demand a factory-fit finish on their high-performance engine projects.
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Useful for installing an oil pressure/oil temp gauge
Cap for plastic expansion tank
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Also known as the coolant temperature sending unit, comes with related o-ring
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Built with thermistor technology to maintain signal integrity under extreme temperature cycles, preventing overheating and poor fuel economy.
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Seals the connection between the water pump hose and the engine inlet
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This product was last offered at the strikethrough price on
08-13-2026
Monitors coolant / oil temperature
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Replace your leaking hose