Wärtsilä 31 Spare Parts Prices: Real Examples for W8V31DE Engines
The Wärtsilä 31 holds the Guinness World Record for the most efficient 4-stroke diesel engine, and the W8V31DE variant is widely used in propulsion and power generation. Its advanced fuel system — built around L'Orange injection components — means fuel system parts are the most frequently requested items. Here are real prices from our current stock.
Real Wärtsilä W8V31DE Parts Prices (October 2026)
Genuine parts from our priced catalogue, in EUR:
Prices exclude shipping. Every quote includes availability and delivery time to your port.
Why W31 Fuel System Parts Matter
The W8V31DE's injection system operates at extremely high pressures, and injector or pump wear shows up quickly as increased fuel consumption and exhaust temperature spread. Replacing fuel system components at the recommended interval is far cheaper than the fuel penalty of running worn parts — and far cheaper than an unplanned stop.
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