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Sierra 18-5260 Tune Up Kit for Prestolite V8 Screw Cap Distributors

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

18-5260
06/01/2036 5:15 PM
Sale Price

$21.94

In Stock (10+)

delivery box

Usually delivered within 2 days

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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 18-5260 is a complete ignition tune-up kit designed for V8 marine engines equipped with Prestolite screw-down cap distributors. This kit contains all the essential components needed to restore peak ignition performance in harsh marine environments.

Kit Includes:

  • 18-5303 Contact Set (Points)
  • 18-5345 Condenser
  • 18-5403 Rotor

Key Features:

  • Engineered specifically for Prestolite 8-cylinder conventional ignition systems
  • Meets or exceeds OEM specifications for reliable performance
  • SeaStar Solutions certified components undergo rigorous testing for fit and function
  • Improves fuel economy through precise spark timing
  • Provides faster, more reliable engine starts
  • Backed by Sierra's limited lifetime warranty

Applications:

  • Compatible with V8 marine engines using Prestolite screw-down cap distributors
  • Commonly found in OMC stern drives, some Volvo applications, and other marine V8 engines

OEM Cross-References:

  • Replaces OMC 0173829, 0987926
  • Replaces Mallory 72650, 9-29304, 9-29309
  • Replaces GLM 72650

Regular ignition system maintenance with quality Sierra components ensures maximum engine reliability, better fuel efficiency, and dependable starting performance when you're miles from shore.

Great site with great prices! Ordered an O2 bung from these guys and it came earlier than expected. The bung looks of decent quality and definitely can't wait to get my wideband in to start tuning.

Very easy and fast

Wow!!! This could easily be the the fastest and most smooth online transaction I have ever made. Great price and FAST shipping. Will def do business again. Thank you!! <br>Brad

Best prices I've seen, the whole product search and check out process was very simple along with quick shipping. I will definately use Autoplicity again.<br><br>Thanks again, <br>Dave in Santa Clara Ca.

Awesome

Very Convenient...Although this is only half the battle

Very easy ordering

it was fast and easy to find what I was looking for.

My order was processed and shipped the same day, the pricing was great and loved the overall experience.

I found my part easily (vent visors), checkout was simple, and I was notified the very next day that my item has been sent. The price (including shipping) was way lower than anywhere else online or in town.

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Good

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