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CDI Electronics 511-9904 Marine Outboard Diagnostic Tool Kit with Compression Tester

Manufacturer

Cdi Electronics

<h3>Trusted Marine Ignition Solutions Since 1982</h3><p>CDI Electronics has earned its reputation as a leading provider of marine ignition components through decades of hands-on experience and engineering innovation. Founded in 1982 as Rapair Incorporated, the company initially focused on repair services for outboard ignitions, gaining invaluable insight into the most common failure points in marine electrical systems. This diagnostic expertise became the foundation for their product development philosophy when the company began to design, develop and manufacture their own line of replacement ignition components under the brand name of CDI Electronics in 1995.</p><p>Designed and manufactured in Huntsville, Alabama, CDI Electronics products represent a cost-effective alternative to OEM components without sacrificing quality or reliability. The brand's extensive catalog addresses the critical electrical needs of marine engines, from individual replacement parts to complete diagnostic solutions that help technicians troubleshoot complex ignition problems efficiently.</p><h3>Comprehensive Ignition Repair Components</h3><p>The heart of CDI Electronics' product line lies in their <a href="/7290-cdi-electronics-ignition-repair-parts-200570">ignition repair parts</a>, which encompass everything from switch boxes to trigger assemblies. These components are engineered to address the harsh marine environment where corrosion, vibration, and moisture can compromise electrical performance. Their <a href="/7290-cdi-electronics-voltage-regulators-201148">voltage regulators</a> play a crucial role in maintaining stable electrical output across varying RPM ranges, protecting sensitive ignition systems and charging batteries reliably.</p><p>Understanding that a strong spark is fundamental to engine performance, CDI manufactures precision <a href="/7290-cdi-electronics-direct-ignition-coil-10214">direct ignition coils</a> designed to deliver consistent high-voltage output. The brand also produces specialized <a href="/7290-cdi-electronics-alternator-harness-10080">alternator harnesses</a> that connect charging systems while withstanding the temperature extremes and flexing stresses encountered in engine compartments. For marine mechanics working on sterndrive applications, CDI offers specialized <a href="/7290-cdi-electronics-outdrive-tools-200752">outdrive tools</a> that simplify installation and service procedures.</p><h3>Advanced Diagnostic Technology</h3><p>Beyond replacement parts, CDI Electronics has developed the Marine Engine Diagnostic System (M.E.D.S.), an easy-to-use advanced software package specifically developed for troubleshooting marine engines. This diagnostic platform works with most major outboard brands, giving technicians a unified tool for reading engine data, identifying active faults, and running systematic tests. The M.E.D.S. system represents CDI's commitment to not just selling parts, but empowering the marine service industry with professional-grade diagnostic capabilities.</p><p>Whether you're maintaining a tournament bass boat, servicing commercial fishing vessels, or keeping a family runabout running smoothly, CDI Electronics provides the ignition components and diagnostic tools that marine engines depend on. Their products reflect more than four decades of learning what works in real-world marine applications, making them a trusted choice for do-it-yourself boaters and professional marine technicians alike.</p>

Part Number

511-9904
06/01/2036 6:59 AM
Sale Price

$832.28

1 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The CDI Electronics 511-9904 Diagnostic Tool Kit is a comprehensive marine outboard ignition troubleshooting solution designed for professional marine technicians and serious DIY mechanics. This complete diagnostic system provides all the essential tools needed to diagnose and troubleshoot outboard motor ignition systems, electrical components, and engine performance issues.

Complete Kit Includes:

  • Digital Multimeter with DVA Adapter (511-9773NL) for accurate voltage readings
  • Compression Tester (511-9778) for engine cylinder analysis
  • 4-Cylinder OIS Test Harness (511-7270)
  • 6-Cylinder OIS Test Harness (511-4127)
  • CDM Test Harness (511-5207A)
  • Adjustable Spark Gap Tester (511-9766) for spark testing
  • In-Line Spark Tester (511-9764) with neon indicator
  • Piercing Probe Set (511-9770) for non-invasive circuit testing
  • Laminated DVA Chart (961-0003) for quick reference
  • Practical Outboard Ignition Troubleshooting Guide (961-0002)
  • Durable carrying toolbox for organized storage and transport

This professional-grade diagnostic kit is specifically engineered for testing and troubleshooting marine outboard ignition systems, including power packs, stators, trigger assemblies, and CDI modules. The included DVA (Direct Voltage Adapter) enables accurate peak voltage measurements critical for proper ignition system diagnosis. All components are organized in a rugged toolbox for convenient portability and storage.

Best prices anywhere

so far like wht i see n i will be buyin more iteams in the futrue

Extremely FAST shipping. Ordered K&N air intake on Tuesday evening and item was delivered Thursday morning!! Item as advertised. The package got here before UPS could upsate the tracking number!! Great service!!

Everything is super easy. A phone app would be nice, but this still works too

fast shipping

These guys have amazing prices, shipping time was awesome considering it's right before christmas.

nice

Great price cheapest around super fast shipping will go to for all other performance parts needs!!!!!

Easy experience. Thank you.

Great prices. Smooth, easy shopping experience. Will shop again

Easy and fast, can't beat that with a stick. It even arrived a day earlier than indicated. What else can I ask for. The install was really smooth and really did only take me about an hour. However, I did have access to a lift because a friend of mine owns

it better fit

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