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Sierra 18-9802 Self-Powered Inductive Timing Light

Manufacturer

Sierra

<p>For nearly six decades, Sierra has established itself as one of the marine industry's most trusted names in aftermarket engine and drive parts. Founded as a specialized marine parts manufacturer, Sierra has grown into a comprehensive supplier of replacement components, instrumentation, and accessories for both recreational and commercial boating applications. Operating from their 300,000-square-foot distribution center in Litchfield, Illinois, Sierra serves boat owners and marine technicians worldwide with an extensive catalog of parts engineered specifically for the harsh saltwater environment.</p><h3>Marine Engine Excellence</h3><p>Sierra's reputation was built on delivering precision-engineered internal engine components and drive system parts that meet or exceed OEM specifications. Their <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> provide critical sealing solutions for inboard and outboard motors, while their <a href="/7570-sierra-engine-complete-assembly-15341">engine complete assemblies</a> offer comprehensive replacement options for major overhauls. Each component undergoes rigorous testing to ensure reliability in demanding marine conditions, from corrosion resistance to temperature cycling performance.</p><h3>Instrumentation and Monitoring Systems</h3><p>Accurate instrumentation is essential for boat operators to monitor engine health and prevent costly breakdowns on the water. Sierra's comprehensive line of <a href="/7570-sierra-gauges-200483">gauges</a> includes everything from fuel pressure and temperature indicators to voltmeters and trim gauges, all designed with marine-grade materials that withstand vibration, moisture, and UV exposure. Their <a href="/7570-sierra-tachometer-gauge-1488">tachometer gauges</a> deliver precise RPM readings critical for optimizing engine performance and fuel efficiency. Supporting these instruments, Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> ensure proper signal conditioning and accurate readings across various sensor types and engine configurations.</p><h3>Expanded Product Portfolio</h3><p>In 2022, Sierra significantly broadened its scope beyond traditional marine engine parts to encompass a wider range of boating accessories and even outdoor power equipment components. This strategic expansion brought established marine brands like Shields and Moeller under the Sierra umbrella, creating a one-stop resource for marine maintenance and replacement parts. The company now offers fuel systems, electrical components, battery charging solutions, and NMEA electronics alongside their traditional engine parts lineup.</p><h3>Quality Backed by Industry-Leading Warranties</h3><p>What sets Sierra apart in the crowded aftermarket marine parts market is their commitment to standing behind every component they manufacture. Their warranty coverage extends beyond simple part replacement—it includes shop labor, haul-out fees, towing charges, and related incidental costs should a warrantied part fail. This comprehensive protection reflects the company's confidence in their manufacturing processes and quality control standards. For boat owners facing repairs far from shore or mechanics working on customer vessels, this peace of mind is invaluable. Whether you're maintaining an outboard motor, rebuilding an inboard engine, or upgrading your boat's instrumentation, Sierra's decades of marine industry experience and commitment to quality make them a reliable choice for keeping your vessel running at peak performance.</p>

Part Number

18-9802
05/27/2036 7:01 PM
Sale Price

$215.72

In Stock (5)

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-9802 is a self-powered inductive timing light designed for marine engine tuning and diagnostic work. This professional-grade tool helps ensure proper ignition timing on outboard and sterndrive engines for optimal performance and fuel efficiency.

Key Features:

  • Self-powered design requires no external power source for convenient portability
  • Accurate timing readings up to 10,000 RPM for high-performance applications
  • Inductive pickup clamps directly to spark plug wire without adapters
  • Bright xenon strobe light for clear timing mark visibility in all conditions
  • Durable construction suitable for marine and powersports environments
  • Works with conventional and electronic ignition systems

This timing light is an essential tool for mechanics, technicians, and serious DIY enthusiasts working on marine engines. Proper timing adjustment helps prevent engine damage, reduces emissions, and ensures peak engine performance.

Products specifications

Replaces

Mercury 91-99379

Easy

great !

Great price.

Good quick checkout.

Shipping looks to be fairly quick. I'm satisfied so far. I am now waiting for delivery and hope it is as smooth as process as the purchase.

I'm hoping you have my tie rod ends this time, a few months ago I order this part but unfortunately I guess you ran out but if you guys come threw this time than you earn 5 stars from me.u guys get 5 stars thanks for having my part this time I will be ord

Very low prices. Shipping a little pricy. Hard to find a discount code on the web. Overall great store. Order # 30155

so far so good

Wow a great price for a budget minded person,outstanding sales staff,tech advice.In these times were a dallor must go the mile I am glad that there is a company like Autoplicity out there.Helping the working man.It pays to shop Autoplicity,Thank-you.

Best price I could find anywhere. Almost 10% less than my typical sources and the item shipped in less than 24 hrs.<br>

good price fast shipping

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