Official Quantiparts Distributor
for Classic Marine Engine Spare Parts
Norwest Marine Service AS is an official distributor in the global network of QuantiParts, providing high-quality OEM spare parts and technical support for legacy marine diesel engines.
Through this partnership, Norwest Marine strengthens its ability to support vessel owners and operators with reliable spare parts solutions for maintenance, repair, and overhaul (MRO) activities. Together with QuantiParts, Norwest ensures continued operational efficiency and extended service life for classic engine installations operating worldwide.
With access to a comprehensive portfolio of original and remanufactured components, Norwest Marine Service supports a wide range of legacy engine brands — helping customers maintain performance, reduce downtime, and secure long-term reliability across their fleet.
Supported Engine Brands
We supply OEM and OEM-equivalent spare parts for a wide range of classic marine diesel engines, including: Stork Werkspoor Diesel, Deutz KHD, Deutz MWM, Bolnes, Sulzer A/S 4-stroke, SACM, Poyaud, Crepelle, GMT, Wichmann, Nohab, Wärtsilä Diesel, Wärtsilä Vasa 14 / 24, Wärtsilä Vasa 22 and Wärtsilä 200 / 220.
Our strong supplier network ensures availability of parts even for engines that are no longer in production.
OEM Spare Parts for Legacy Engines
Through QuantiParts, we provide access to:
Original (OEM) spare parts
Remanufactured components
Hard-to-source and obsolete parts
Engine-specific overhaul kits
All parts are engineered to meet original specifications, ensuring reliability, durability, and optimal engine performance.
Maintenance, Repair & Overhaul Support (MRO)
In addition to spare parts supply, Norwest Marine Service offers full-service support for marine engines:
Planned maintenance programs
Emergency repair services
Engine overhauls and reconditioning
Onboard and workshop services
Our experienced field service engineers have extensive expertise across a wide range of legacy engine platforms, supporting vessels operating in the North Sea and globally.
Why Choose Norwest Marine Service & QuantiParts
Official QuantiParts distributor
Specialized in legacy and obsolete engine support
Fast and reliable spare parts sourcing
Strong technical expertise and field service capabilities
Global supply with local service presence in Norway
We are committed to supporting our customers throughout the entire vessel lifecycle — ensuring safe, efficient, and uninterrupted operations.
Request Spare Parts or Technical Support
Looking for spare parts for a legacy marine engine?
Send us your engine type, part number, or technical drawings — and our team will assist you with fast and reliable sourcing.
Frequently Asked Questions
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We supply a wide range of OEM and OEM-equivalent spare parts for legacy marine diesel engines, including cylinder heads, pistons, liners, fuel injection components, bearings, gaskets, and complete overhaul kits. Both new and remanufactured parts are available through our partnership with QuantiParts.
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Yes. We specialize in supporting legacy and obsolete engine types that are no longer in production. Through our global supply network, we can source or reproduce hard-to-find components to keep your engine running. We have We have especially strong expertise in Wichmann engines expertise in Wichmann engines, supported by years of hands-on experience in service, repair, and spare parts supply.
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We support a broad range of classic marine engine brands, including Wickmann, Wärtsilä, Stork Werkspoor Diesel, Deutz, Bolnes, Sulzer, and several others. Our portfolio covers many engine types still in operation worldwide despite being out of production.
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We supply both original OEM parts and high-quality OEM-equivalent components. All parts delivered through QuantiParts are manufactured to meet original specifications, ensuring performance, reliability, and durability.
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Yes. If you provide engine details, part numbers, or technical drawings, our team can assist in identifying the correct spare parts and offer suitable alternatives when needed.
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Yes. In addition to spare parts supply, Norwest Marine Service provides maintenance, repair, and overhaul (MRO) services, both onboard and in our workshop. Our field service engineers have extensive experience with legacy marine engines.
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Yes. We support customers globally and can arrange fast and reliable delivery of spare parts to vessels and shipyards worldwide.
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To ensure a fast and accurate response, please include:
Engine type and model
Part number (if available)
Engine serial number
Description of the required part
Photos or drawings (if possible)
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As an official distributor of QuantiParts, we combine access to high-quality OEM parts with hands-on service experience. This allows us to provide both the right components and the technical support needed to keep your engines operating efficiently.
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Norwest Marine Service maintains a large inventory and a high level of service, enabling us to deliver both new and used spare parts on short notice. Contact us at +47 971 29 681.