Marine Diesel Engine Spare Parts

Sourced in China · Delivered Worldwide

Reliable supply of OEM-compatible and aftermarket spare parts for two-stroke and four-stroke marine diesel engines. Serving shipowners, ship managers, and traders across 50+ countries since 2017.

9+
Years in Business
700+
Engine Models Covered
50+
Countries Served
1,400+
Successful Deliveries

What We Supply

From main propulsion engines to auxiliary power units, we cover spare parts for the most widely installed marine diesel engines in the global fleet.

Two-Stroke Main Engines

Slow-speed crosshead engines for main propulsion

Cylinder liners, piston crowns, piston rings, exhaust valves, fuel injection components, and complete overhaul kits for RTA, RT-Flex, MC, ME, and ME-C series engines.

Four-Stroke Auxiliary Engines

Medium-speed trunk piston engines for power generation

Running spares, fuel systems, governor parts, and turbocharger components for L16/24, L23/30H, L20, L21/31, DK-20 series, and other widely installed generator engines.

Fuel Injection Systems

Precision fuel delivery components

Fuel injection valves, nozzles, plunger & barrel assemblies, fuel pumps, high-pressure pipes, and common rail components.

Turbocharger Parts

Exhaust gas turbocharger components

Nozzle rings, turbine blades, bearing assemblies, cartridges, and repair kits for all major turbocharger types fitted to marine diesel engines.

Pumps & Rotating Equipment

Essential auxiliary machinery spares

Lubricating oil pumps, cooling water pumps, fuel booster pumps, hydraulic pumps, motors, and related spare parts.

From Our Warehouse

Real products from our warehouse — cylinder liners, piston crowns, exhaust valves, fuel injection components, and more.

RTA52 cylinder liners
Cylinder Liners
RTA52 series
Piston crown in wooden crate
Piston Crowns
Ready for shipment
RT-Flex 50B exhaust valve spindles
Exhaust Valve Spindles
RT-Flex 50B
Plunger and barrel assemblies
Plunger & Barrels
L20 series

Why Work With Us

We combine deep technical knowledge of marine engines with efficient sourcing from China's manufacturing base.

Deep Industry Expertise

Our team brings over two decades of hands-on experience in marine diesel engine parts, having worked at industry-leading companies before founding TH Shipping.

Fast Response Time

Our streamlined operations and established supplier network enable us to provide quotations quickly — often within hours, not days.

Global Logistics

We deliver to 50+ countries via DHL, FedEx, TNT, air freight, and sea freight. Direct delivery to vessels at Chinese ports also available.

Quality Assurance

We work only with verified Chinese manufacturers. Every shipment is carefully inspected and documented to ensure parts meet specifications.

Ready to Source Your Spare Parts?

Send us your enquiry with part numbers, drawings, or engine details. We'll provide a competitive quotation — typically within 24 hours.