7.4 / 454 Remanufactured Marine Engine – Power, Performance & Reliability
Upgrade your boat with a high-performance 7.4 / 454 Remanufactured Marine Engine, expertly built to deliver exceptional power and durability. Designed for Mercruiser, Volvo Penta, OMC, and Indmar applications, this 330 HP engine provides smooth and reliable performance. Each unit undergoes a thorough remanufacturing process to meet or exceed original factory specifications, ensuring easy installation and long-term dependability on the water.
Professional Installation Available
Need expert installation? We offer full engine installation services at our facility in Concord, Ontario. Our experienced marine engine specialists will ensure your new engine is installed correctly and optimized for peak performance. Call us today for more details and a quote!
How to Identify Your Engine
To ensure compatibility, check for these key identifiers:
✅ Intake Port Type: Round intake port
✅ Rear Seal: 2-piece rear main seal
✅ Block Casting Numbers: 959, 445, 286, 775, 289
✅ Horsepower: 330 HP (may vary based on accessories & ECU programming)
✅ Rotation: Standard rotation
✅ Additional Features:
- Mark IV Engine Design
- Flat Tappet Cam
- 10-Bolt Front Cover
- 2-Bolt Main
Compatible with Leading Marine Brands
⚙ Mercruiser Marine
✔ 325 GM 427 V-8 (1969-1972)
✔ 330 GM 454 V-8 (1977-1981)
✔ 330 GM 454 V-8 (1982-1987)
✔ 370 TRS GM 454 V-8 (1978-1985)
✔ 370 TRS GM 454 V-8 (1985-1987)
✔ 7.4L Bravo GM 454 V-8 (1988-1991)
✔ 400 TRS GM 454 V-8 (1980-1986)
✔ 440 TRS GM 454 V-8 (1983-1986)
✔ 454 Mag. Alpha GM 454 V-8 (1986-1988)
⚙ Volvo Penta Marine
⚙ OMC Marine & Indmar Applications
✔ 5.7L
Order with Confidence
At Aerohill Engines, we take pride in providing high-quality remanufactured marine engines backed by expert craftsmanship and industry-leading standards. Need help finding the right engine for your boat? Send us your serial number, and our customer support team will assist you in selecting the perfect match.
Call us today to learn more about installation and get your boat back on the water!
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