
Condition | New |
Manufacturer | Volvo Penta Vortec |
Suitable for models | Mercruiser, Volvo Penta, OMC, Crusader, Indmar |
Working volume | 5.7 |
Other part numbers | 8M0124238, 807449R5, 863661R5, 866138R03, 5143NMSR |
Availability | In stock |
Mercury Vortec motor-block 5.7L, 350, V8 5143NMSR (New), ship’s engine
Mercury/Volvo Penta 5.7L V8 Vortec Marine Engine Specifications:
✅ Displacement: 350 CID / 5.7L
✅ Cylinders: 90° V8
✅ Compression ratio: 9.4:1 (High Flow Vortec Head)
✅ Valve configuration: OHV (2 valves per cylinder)
✅ Valve lifters: Hydraulic roller (Hydraulic Roller)
✅ Cylinder block: 4 screw intent base
Dimensions and specifications:
📏 Cylinder diameter x stroke: 4.00″ x 3.48″ (101.60 mm x 88.39 mm)
🔥 Ignition order: 1 – 8 – 4 – 3 – 6 – 5 – 7 – 2
Oils and corrosion protection:
🛢 Oil crankcase capacity: 5.5 quarts (no filter)
🛠 Oil type: SAE 25W40 Pennzoil Marine
All engines and parts sold are thoroughly inspected by qualified mechanics.
New engines and parts are covered by a manufacturer’s warranty of between 6 and 12 months.
Restored and second-hand engines are covered by separate agreement.
If you are considering replacing or repairing the engine, it is necessary to use the appropriate components according to the generation of the engine. For example, Vortec heads need a specific collector, since the bolts for their fastening are different.
We diagnose and repair engine faults in heavy machinery quickly and efficiently.
Ordering and fast delivery of engine spare parts and accessories anywhere in the world.
We select and order a wide range of engines, and if we can't find the right one, we build a new one from components.
Repair of fuel systems, high-pressure fuel pumps, injectors at a certified workshop. Troubleshooting. Ordering parts.
Repair services for heavy machinery, agricultural machinery, road construction machinery, various industrial machinery, hydraulic fault diagnostics.
We sell new and used engines according to the customer's needs and situation.