

Radiator Pressure Cap 1.4 Bar
R161.00 Original price was: R161.00.R90.00Current price is: R90.00.
Genuine Harley-Davidson 1.4 bar radiator pressure cap for liquid-cooled and Twin-Cooled models, maintaining correct cooling system pressure.
- Description
- Size Guide
Description
Genuine Harley-Davidson radiator pressure cap (P/N 26800021) rated at 1.4 bar. The cap seals the cooling system filler neck and holds the system at its design pressure, raising the coolant boiling point and preventing coolant loss. Its integrated relief valve vents excess pressure safely to the overflow.
A worn or weak pressure cap is a common cause of coolant loss and overheating on liquid-cooled models. Replace with the genuine cap to restore the correct 1.4 bar rating.
Fitment: Harley-Davidson liquid-cooled and Twin-Cooled models. Check fitment with our parts team.
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