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Engine & Propulsion

3D-printable parts for boat engine and propulsion systems: fuel and cooling fittings, hose connectors, brackets and replacement accessories. Parametric and print-ready - size each part to your setup and print in a marine-grade material.

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17 products

3D-printed customisable bushings and washers
marinelab3d
Customisable Bushings & Washers — Parametric (3D Print) Sale price€0,00
Free 3D-printed parametric O-ring gasket
MarineLab3D
Parametric O-Ring / Gasket — Round · Square · Rectangular (3D Print) Sale price€0,00
3D-printed BSP male x hose barb elbow
MarineLab3D
Elbow — BSP Male × Hose Barb — Parametric (3D Print) Sale price€4,99
3D-printed BSP hose barb fitting in grey PETG
MarineLab3D
BSP Hose Barb Fitting — Parametric (3D Print) Sale price€4,99
Free 3D-printed BSP blanking plug cap
MarineLab3D
BSP Blanking Plug / Cap — Parametric (3D Print) Sale price€0,00
3D-printed boat deck filler with winch cap
MarineLab3D
Deck Filler with Hose Barb + Winch Cap (Water/Diesel/Waste) — Parametric (3D Print) Sale price€9,50
3D-printed elbow hose barb connector
MarineLab3D
Elbow Hose Barb Connector / Reducer — Parametric (3D Print) Sale price€4,99
3D-printed BSP reducing bushing
MarineLab3D
BSP Reducing Bushing (Male × Female) — Parametric (3D Print) Sale price€4,99
3D-printed BSP water manifold body
MarineLab3D
BSP Manifold Body (parametric outlets) — Parametric (3D Print) Sale price€8,50
3D-printed boat tank cap with winch socket
MarineLab3D
Tank Cap with Winch Socket (BSP, replacement) — Parametric (3D Print) Sale price€6,50
3D-printed BSP double-male hex nipple
MarineLab3D
BSP Hex Nipple (Double Male) — Parametric (3D Print) Sale price€4,99
3D-printed 3-way T hose barb connector
MarineLab3D
3-Way T Hose Barb Connector — Parametric (3D Print) Sale price€4,99
3D-printed BSP female coupling reducing socket
MarineLab3D
BSP Female Coupling / Reducing Socket — Parametric (3D Print) Sale price€4,99
3D-printed through-hull skin fitting and lock nut
MarineLab3D
Through-Hull Skin Fitting + Lock Nut Kit (BSP) — Parametric (3D Print) Sale price€8,99
3D-printed BSP female x hose barb elbow
MarineLab3D
Elbow — BSP Female × Hose Barb — Parametric (3D Print) Sale price€4,99
3D-printed BSP female hose barb fitting
MarineLab3D
BSP Female Hose Barb Fitting — Parametric (3D Print) Sale price€4,99
3D-printed barb-to-barb hose connector
MarineLab3D
Hose Barb Connector / Reducer (Barb–Barb) — Parametric (3D Print) Sale price€4,99

Marine-Specific Designs

Built for real boat owners and makers

Creator-Owned IP

Your files, your rights, your revenue

Instant Digital Delivery

Your file is ready immediately after purchase — print it anywhere in the world.

Print-Ready Guaranteed

Every design reviewed before publishing