4Boats

Duff PP500B Zinc Brass Plug - 1/2 in NPT Thread | 4Boats

Name: Duff PP500B Zinc Brass Plug - 1/2 in NPT Thread | 4Boats
Brand: 4Boats
SKU: PP500B
Price: 22.99 GBP
Availability: OutOfStock

£22.99 GBP

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The PP500B zinc–brass plug secures pencil anodes in engine cooling and heat-exchange systems to reduce galvanic corrosion and ensure reliable mounting.

Protects engine cooling and heat-exchange systems from galvanic corrosion
Integral steel core bar for secure attachment to mounting plug
Material: zinc with brass plug
Thread: 12.7 mm (1/2 in) NPT
Durability and reliability
Suits Pencil: P625
Part number: PP500B

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Let customers speak for us

from 5 reviews

LNP made me a set of of plates that are exactly as requested with a high gloss 3D finish.LNP made these plate whilst I waited. All done in no time at all. Highly recommend.

Neil Smith

11/15/2025

Leigh Number Plates

Fabulous service and finish.The guys made my two the highest quality.The gloss finish is outstanding.Highly recommend.