4Boats

Duff PP750B Brass Plug 19.Ø 5 mm (3/4 in) NPT | 4Boats

Name: Duff PP750B Brass Plug 19.Ø 5 mm (3/4 in) NPT | 4Boats
Brand: 4Boats
SKU: PP750B
Price: 25.00 GBP
Availability: OutOfStock

£25.00 GBP

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The Duff PP750B brass plug provides a secure threaded mounting point for a P750 pencil anode in engine cooling and heat exchange systems; when paired with the anode it enables reliable galvanic protection and long service life.

Brass construction for corrosion resistance
19.Ø 5 mm (3/4 in) NPT thread
Accepts P750 pencil anode (anode includes a steel core/rod for secure attachment)
Designed for engine cooling and heat exchange systems
durability and reliability. Suits Pencil: P750
Simple replacement to maintain effective galvanic protection

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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.