General and Precision Engineering

Engineering Solutions Since 1996

Welding Alloy Tanks
Welding Alloy Tanks

Technical Knowledge - Specialist Skills

GP Engineering Ltd offers comprehensive engineering services including custom fabrication, machining, toolmaking, fitting and turning, alloy and stainless steel welding, engineered parts repair and replacement, and custom design and build.

Alloy Waste Disposal System
Alloy Waste Disposal System

Our diverse experience enables us to think and work outside the pigeon-hole. Contact us if you have a project or problem needing specialist skills and creative solutions.

Click to email GP Engineering Ltd.Click to email GP Engineering Ltd.

Boat Modifications and Custom Components

Custom Alloy Centre Console
Custom Alloy Centre Console

Standard Offerings Include:

  • Boat Modifications
  • Transom Repairs
  • Supply and Fitting of Electronics
  • Design / Manufacture of Specialized Parts
  • Alloy Fuel Tanks
  • Rocket Launchers - Fishing Rod Holders
  • Biminis
  • Bait Boards
  • Ice Tanks & Chilly Bins
  • Seats
  • Consoles

Prop & Impeller Sales, Repairs, Rebuilds and Repitch

Before and After Prop Rebuild
Before and After Prop Rebuild

We are specialists at rebuilding, repitching and repairing bent and broken alloy and stainless steel props and impellers. If we can't fix it, it can't be fixed.

New and second-hand props and impellers also stocked.

Aircraft Tooling & Components

Aircraft Tooling
Aircraft Tooling

Our advanced skills in precision engineering and metalwork enable us to manufacture high quality aviation tools for helicopters and other aircraft.

Splines, Hubs and Driveshafts

Plastic Splined Drive Hub
Plastic Splined Drive Hub

We respline as well as manufacture internal and external splines, driveshafts, keyways and collars, drive hubs, prop hubs, marine hubs.

Jetski / Jetboat Engine Rebuilds

GP Engineering Ltd installs and services Mercury, Polaris, Weber and Textron motors.

Jet Pump and Housing Repairs

We refurbish jetpumps for Kawasaki, Mercury Sportjet, Polaris, Weber and Textron by replacing corroded liners and rebuilding impellers. New aftermarket housings and liners for Seadoo and Yamaha are available.

PWC Engine Rebuild and Reconditioning

We'll use our decades of extensive experience with motor rebuilding to help you get your power back. We are specialists with gearbox, crankcase, powerhead and engine block repairs.


Contact Us

GP Engineering Ltd
120 Tahunanui Drive, Nelson, New Zealand
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