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Gear Pump Spare Parts Suppliers
Gear pumps in fuel and lube systems often show warning signs before they fail. Flow drops, noise increases, or a seal begins to leak - and the root cause is usually wear in a few critical internal parts. For shipowners, superintendents and chief engineers, the practical task is to plan overhauls so pumps are restored before fuel transfer or lubrication is disrupted. That is where reliable gear pump spare parts suppliers become important.
Wear Points and Typical Replacements for Marine Gear Pumps
The construction of a marine gear pump is relatively simple, but certain internal components carry most of the load and therefore most of the wear.
- Gears and shafts. The meshing gears and their shafts carry torque and generate flow. Abrasive particles, poor filtration or long operation on degraded oil slowly round the tooth profiles and increase internal leakage. Overhaul kits often include gears and shafts as a matched set to restore efficiency and correct clearances.
- Bushings and bearings. Shafts are supported by bushings or bearings in the casing and covers. Contamination, misalignment or high loads can wear these surfaces, leading to noise, vibration and further internal leakage. Replacing bushings or bearings is usually essential during a proper workshop overhaul.
- Side plates and wear plates. These flat surfaces control axial clearance between gears and casing. Once they are scored or eroded by dirty oil, the pump loses capacity even if the gears themselves look acceptable. Many gear pump spare parts manufacturers supply side plates as standard items in repair kits.
- Shaft seals and mechanical seal sets. External leakage at the shaft is one of the most visible symptoms of pump wear. Seals harden, crack or lose elasticity over time, especially if the pump has run dry or overheated. New mechanical seal sets, or gland packing sets where used, are a basic part of any overhaul.
- Gaskets, O-rings and relief-valve internals. Casing gaskets and O-rings are low-cost but critical to keep the pump tight after disassembly. Where the pump has an integrated relief valve, springs and valve components should also be inspected and replaced as needed so overpressure protection remains reliable.
Most planned overhauls combine these elements into service kits: gears with matching shafts, bushings or bearings, side plates, seals and gaskets. For routine maintenance at sea, many operators also keep a smaller stock of shaft seals, gaskets and O-rings on board to deal with emerging leaks until a full workshop job can be scheduled.
Overhauling Marine Gear Pumps with Records Marine
On this page you can look up gear pump spare parts distributors that work with your preferred manufacturers, check their product range and locations, and then contact your short list of companies directly to discuss overhaul kits, traceability, documentation and delivery to planned ports of call.
Some suppliers listed on Records Marine can arrange emergency deliveries or express shipments. When you review vendor profiles, pay attention to comments on stock levels in major ports and ability to organize short-notice logistics for urgent repairs. This gives technical and purchasing teams a simple way to support marine gear pump overhauls with the right parts and at the right time.
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