





Used Crusader 502 Marine Diesel Engine 8.2L use in FRESH WATER with only 428 Hours For Sale
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The Crusader 8.2L (502 cu. in.) marine engine is a gasoline Big Block V8, not a diesel. The "C502" designation refers to the 502 cubic inch displacement. While a separate Detroit Diesel 8.2L "Fuel Pincher" diesel engine exists, Crusader primarily marinizes General Motors (GM) gasoline engines.
Specifications
* Engine Type: V-8, 4-cycle gasoline engine
* Horsepower: Typically around 425 HP, but can vary by year and specific configuration (e.g., carbureted vs. MPI)
* Bore & Stroke: 4.470 x 4.000 inches (approx. 113.5 x 101.6 mm)
* Fuel System: Early models were likely carbureted, while later versions used Multi-Point Electronic Fuel Injection (MPI)
* Cooling System: Available in both raw water cooled or fresh water cooled (closed cooling) configurations
* Block Material: Cast-iron block
* Compression Ratio: Varies, but typically in the range of 9.8:1 for some configurations
* Fuel Requirement: Requires high-quality, unleaded regular gasoline (87 octane minimum R+M/2)
Includes: Cables, Wire Harness and Gauges.
Built to Order Engines
Built To Order engines are built exclusively for you, hence delivery is dependent on build time. Contact us using the form below to enquire about lead times for building your engine & estimated delivery times.
In Stock Engines
In stock engines are ready built and available for immediate dispatch subject to any custom configuration requirements.
The fee for shipping depends on your location and any additional configuration requested. Please submit an enquiry using the form below and we’ll contact you to discuss options and confirm the final price based on your requirements.