Continental IO-520-MB Engine – For Cessna 310

The Continental IO-520-MB is the factory replacement for the original IO-520-M, delivering 285 horsepower of smooth, reliable performance for your Cessna 310. Whether you're operating a legacy 310Q, 310R, or other variant, this engine is engineered for longevity and efficiency in twin-engine flight profiles.

Every IO-520-MB sold by Air Power includes a Tempest Spin-On Oil Filter (when applicable) and a full set of Tempest Spark Plugs at no additional charge—our standard package with every new or rebuilt engine.

Aircraft Applications

• Cessna 310 (all variants using IO-520-M)

Engine Specifications

• Horsepower: 285 HP @ 2700 RPM
• Displacement: 520 cu in (8.5L)
• Fuel System: Continuous-flow fuel injection
• Cooling: Air-cooled, horizontally opposed
• Configuration: 6-cylinder

What We Need to Know to Properly Spec Your IO-520-MB

To ensure accurate pricing and lead time, please confirm:

• New or rebuilt?

Continental RFQ Process

If this is an uncommon spec, Air Power will initiate a Request for Quote (RFQ) with Continental Aerospace Technologies to confirm price and availability.

• Turnaround: 5–7 business days
• Outcome: Accurate quote, confirmed configuration, and expected lead time

Why Buy from Air Power?

Air Power is the largest distributor of Continental engines worldwide and Continental’s preferred supplier. We guide twin-engine operators through the full spec process to avoid costly delays and ensure smooth installation. Let us help you get your 310 back in the air with factory-authorized confidence.

Request your quote today and let our expert team walk you through the next steps.