Simrad

Simrad Autopilot Adapter Kit

SKU: 91902 · UPC: 000-15944-001 · MPN: 000-15944-001
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02 · Overview

Simrad Autopilot Adapter Kit — Product description

Upgrading your boat's autopilot system doesn't have to mean starting from scratch with new hoses and fittings. The Simrad Autopilot Adapter Kit bridges the gap between legacy setups and modern MkII pumps, ensuring a seamless hydraulic connection. This kit is a game-changer for marine enthusiasts tackling pump replacements, delivering reliable performance without the hassle of mismatched threads.

Perfect Fit for Seamless Upgrades

When swapping out older hydraulic pumps for Simrad's efficient MkII series—whether it's Pump 1, 2, 3, 4, or 5—you often run into thread compatibility issues. Traditional setups might use ORB (O-Ring Boss) fittings, while your existing hose kit relies on standard NPT (National Pipe Tapered) threads. This adapter kit solves that puzzle with precision-engineered components that mate perfectly, preventing leaks and maintaining peak hydraulic pressure for steady steering.

Boat owners who've dealt with retrofit frustrations know the drill: mismatched fittings lead to downtime, extra costs, and frustrating leaks on the water. These adapters keep your hydraulic lines intact, saving time and preserving the integrity of your vessel's steering system. Ideal for recreational sailors, fishing charters, or offshore cruisers looking to modernize without a full overhaul.

Key Advantages for Marine Reliability

  • Leak-Proof Connections: ORB-5 to 1/4" NPT design ensures a tight seal under high-pressure conditions, crucial for autopilot responsiveness.
  • Retrofit Ready: Tailored for direct replacement scenarios where NPT hose kits are already in place, minimizing plumbing disruptions.
  • Durable Construction: Built from high-grade materials resistant to corrosion, vibration, and saltwater exposure—built to last through seasons of rough seas.
  • Easy Integration: No special tools required beyond standard wrenches, making it accessible for DIY mechanics or professional installers.

What's Included and Quick Setup Tips

Your kit arrives ready to install with three ORB-5 to 1/4" NPT adapters—enough for most single-pump autopilot configurations. Here's a straightforward approach to get you back on course:

  1. Power down and depressurize the hydraulic system for safety.
  2. Remove the old pump, noting the ORB port orientations.
  3. Thread the adapters into the MkII pump's ORB-5 ports using thread sealant on the NPT side for extra security.
  4. Reconnect existing NPT hoses, torque to manufacturer specs (typically 20-25 ft-lbs), and bleed the system thoroughly.
  5. Test in calm waters: monitor for leaks and calibrate autopilot via your Simrad display.

Pro tip: Always inspect hoses for wear during replacement. Pairing this kit with fresh hydraulic fluid can extend your system's life and sharpen steering precision.

Why This Kit Stands Out in Autopilot Maintenance

In the world of marine electronics, Simrad's reputation for rugged, intuitive gear shines through in accessories like this. Unlike generic adapters that might compromise flow rates or pressure, these are engineered specifically for MkII hydraulics, optimizing pump efficiency. Skip the guesswork—vessel operators report smoother operation and fewer service calls after installs, turning potential headaches into hassle-free upgrades.

Frequently Asked Questions

What pumps is this adapter kit compatible with?

Designed for Simrad MkII Pumps 1, 2, 3, 4, and 5. It's perfect when retrofitting these into systems originally equipped with older pumps.

Do I need this if I have existing NPT hoses?

Yes, absolutely. The kit converts ORB-5 ports on MkII pumps to match your 1/4" NPT hose fittings, avoiding the need for new hoses.

How many adapters come in the kit?

Three ORB-5 to 1/4" NPT adapters, sufficient for standard single-pump autopilot hydraulic connections.

Is installation DIY-friendly for boat owners?

Straightforward for those with basic mechanical skills. Use thread sealant on NPT threads, torque properly, and bleed air from the system post-install.

Will these adapters prevent hydraulic leaks?

Yes, their precision threading and O-ring compatibility create secure, high-pressure seals, reducing leak risks in demanding marine environments.

Can I use this with non-Simrad pumps?

While optimized for Simrad MkII series, check port sizes—ORB-5 compatibility is key, but Simrad integration yields best results.

How do I maintain the adapters after installation?

Inspect annually for corrosion or wear, especially in saltwater use. Clean threads and reapply sealant if disassembling.

Equip your vessel with confidence—reliable steering starts with the right fittings. This adapter kit keeps your Simrad autopilot humming through every voyage.

Simrad autopilot Adapter Kit

Autopilot fitting adapter kit that contains 3 x ORB-5 to 1/4" NPT adapters.

Features:

  • Used when replacing older pumps with MkII Pumps 1,2,3,4 and 5 
  • Used when NPT hose kits are already present



SKU: NVN-91902
MPN: 000-15944-001
UPC:
03 · The numbers

Technical specifications

BrandSimrad
ModelSimrad Autopilot Adapter Kit
SKU / MFR#91902

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04 · Before you buy

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05 · Customer voices

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