Emissions Upgrade Kits

Cat® 3500 and 3600 Engine Upgrades

Product support manager, Scott White, explains how to upgrade your engine to help improve performance, reduce emissions and lower fuel costs.

For Select 3508, 3512 and 3516 Engines

Don’t let a new set of emissions regulations prevent you from overhauling your old engine. With Cat® Emissions Upgrade Kits for select Marine 3500 engines, you can convert EPA Tier 1 and Tier 2 equivalent engines to stay compliant with current regulations.

These kits are certified for compliance with the US EPA Marine Final Rule (Remanufacturing Program) under 40 CFR Part 1042. The upgrades can be completed in-hull without major modifications to the vessel, and they use genuine Cat parts for exceptional life.

Sustainability and Compliance

  • Demonstrated significant reductions of particulate matter, nitrogen dioxide, hydrocarbons and carbon monoxide
  • U.S. Environmental Protection Agency (EPA) certified the Cat 3500 Series Marine Emissions Kits according to EPA Rule 40 CFR Part 1042

Features and Benefits

  • Can implement during a scheduled major overhaul
  • Gain benefits of a new engine at a lower cost
  • Improve acceleration and load acceptance
  • Less vibration and noise
  • Improved diagnostic capability
  • Live messages and alarms

To get more detailed information about our Emissions Upgrade Kits, download the full brochure here:

Download Brochure

Emissions Upgrade Kits Emissions Upgrade Kits


For select 3606, 3608, 3612 and 3616 marine engines*.

Reduce emissions with our 3600 EUI Upgrade Kit. Install ADEM™ III technology, designed to regulate engine solenoid timing and duration, and dispense exact fuel amounts at every cycle for optimized engine combustion.

Improving fuel injection means reducing combustion byproducts. Even reduce maintenance checks and maximize fuel efficiency. It's better for the environment — and better for you.

Reduce engine:

  • Transient smoke
  • Steady state smoke
  • Noise and vibration
  • Maintenance time

*Not applicable for 3618 and 3600 HFO engines

To get more detailed information about our 3600 EUI Upgrade Kit, download the spec sheet here:

Download Spec Sheet

3600 Emissions Upgrade Kit 3600 Emissions Upgrade Kit


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