Availability
Sierra Marine Delco EST conversion kits upgrade GM engines with conventional ignition systems to electronic. They are offered for 4-, 6-, and 8-cylinder engines. Sierra Marine Delco EST kits include: * Delco EST (Electronic Spark Timing) distributor * Coil * Ignition wires * Harnesses
( 3 )
$511.99
Replace your watercraft's OE distributor with a Sierra Marine YLM Series model. These are modern, high performance magnetic breaker-less upgrades. Their complete, self-contained ignition system combines the triggering device and amplifier into a single unit that sits inside the distributor housing. The self-contained module/pickup assembly has no moving parts to wear out, making YLM superior to many other designs. Their time-tested breaker-less ignition circuit and surface-mounted, thermal-clad construction provide reliability in harsh marine environments. Designed for 12 V negative-ground systems, YLM distributors improve combustion efficiency and spark plug life, provide accurate timing, and have a simple wiring hookup for easy installation. They're designed to work with both OE and aftermarket coils, so you're sure to find the combination you need. Order the model recommended for your marine make and engine application.
( 1 )
$584.99
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$618.99
Sierra Marine oil pans are perfect stamped steel OE-style replacements. Most come with a stock baffle and drain plug, and mount in the original pump location. Order the oil pan recommended for your watercraft application.
( 3 )
$257.99
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$327.99
The 510+ gravity toilets from Sierra Marine supplies ultra-low flush water conservation and trouble-free operation while providing all the comforts of a household toilet. An elongated enameled wood seat and residential-style deep bowl offers enhanced comfort, along with Traveler styling, and powerful rim wash for a deep bowl cleanse. The exclusive, self-cleaning flush locks out holding tank odors and ensures fresh, clean operation. Product Overview: * Provides an easy and cost-efficient upgrade for your boat or RV * Water-efficient rim flush action up to a pint of water per flush * Low-flush water consumption: less than one pint (0.10 gal./0.39 l) per flush * Elongated enameled wood seat and residential-style deep bowl for enhanced comfort * Two-way foot-pedal operation adds water to bowl when desired, and flushes for hygienic use * Integral anti-siphon vacuum breaker protects potable water supply * Exclusive self-cleaning flush ball with a PTFE seal prevents holding tank odors to ensure fresh, clean operation * Designed to install directly above a holding tank * Mounts over a 4-bolt, 3 in. (76 mm) closet flange * Water connection is 1/2 in. (13 mm) NPT * Requires no electricity * Keeps its brilliant, high-gloss finish for years * Easy to install * Universal mounting kit (sold separately) is needed to install traveler toilets on existing 2-bolt floor flanges
( 4 )
$365.99
Sierra Marine carburetors are new precision castings built to meet or exceed OEM specifications. They offer several 2- and 4-barrel replacement styles to choose from. Order the model recommended for your watercraft application. Features include: * Recalibrated to maximize fuel efficiency and performance * All carburetors are flow-tested throughout the entire throttle range * Fuel mixture and idle settings are preset to ensure that only minor idle and choke adjustments are necessary during installation
( 40 )
$311.99
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$384.99
Sierra Marine exhaust manifolds are painted, packaged, and leak-tested. Your boat's exhaust manifold will not last forever and ignoring it could lead to engine problems. Sierra Marine offers a vast selection of quality units that will allow you to replace your corroded manifold, avert problems, and enjoy trouble-free service.
( 16 )
$262.99
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$569.99
Sierra Marine offers complete head gasket sets for a wide range of engine applications. These replacement seals are made from original materials and specs to ensure proper fit and performance. They facilitate your overhaul or rebuild with model-specific gaskets for the head, intake, exhaust manifold, water neck, distributor, and much more—depending on the set you select. Order the kit recommended for your engine.
Not Yet Reviewed
$280.99
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$318.99
Sierra Marine engine couplers are available in a variety of applications to drive your vessel efficiently. Offered individually and in kits, their couplers are manufactured from quality materials to provide hours and hours of time on the water. When it's time to replace a worn coupler, choose from the selection at Sierra Marine.
( 4 )
$258.99
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$560.99
Sierra Marine full synthetic gear lube oil is formulated to optimize gear life and resist oxidation. This oil reduces friction and provides superior wear protection in severe operating conditions, while the unique synthetic formulation is shear stable and resists oxidation. This ensures high performance over a wide range of ambient operating temperatures. Sierra Marine full synthetic gear lube oil is available in different sizes to meet your needs and budget.
Not Yet Reviewed
$292.99
Sierra Marine Thunderbolt IV HEI distributors are designed as a direct replacement for Mercury Thunderbolt IV ignition distributors. They use a hall effect-type sensor to trigger ignition accurately, even at low rpm. They meet or exceed SAE J1171 standards.
( 2 )
$308.99
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$379.99
Sierra Marine exhaust elbow risers are designed to fit the center rise exhaust manifolds used on specific early marine engines. The elbow risers feature precisely machined cast-iron bodies, are painted black, and come to you ready for installation right out of the box. Protect yourself and your investment, choose Sierra Marine's quality engine and drive parts and get back on the water with over 50 years of experience powering the way.
( 2 )
$250.99
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$264.99
Sierra Marine alternators are designed to OEM specifications. All models meet or exceed USCG and SAE J1171 safety requirements and are 100 percent load-tested for assured reliability. Order the replacement alternator recommended for your watercraft application.
Not Yet Reviewed
$255.99
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$473.99
Sierra Marine Delco EST distributors are designed as direct replacements for late model GM EST (Electronic Spark Timing) distributors. They feature an aluminum housing and meet or exceed SAE J1171 standards. A steel gear is included which is compatible with a flat tappet or hydraulic roller cam. Their ball bearing and bushing combination provide maximum timing stability and long-life.
( 2 )
$438.99
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$514.99
Sierra Marine applied decades of ignition experience to the YL Series points distributors. Built with advanced technology and materials, these distributors deliver more reliability for today's marine performance engines. They have stabilized points to eliminate point float and bounce, a high-dielectric condenser with a brass case for corrosion resistance, and self-lubricating bushings for maintenance-free durability. YL Series distributors also feature Mylar insulation for greater protection against current leaks and shorting; plus Sierra Marine's Super-Duty cap and rotor. The distributors work with both OE and high performance coils. Order the model recommended for your watercraft make and engine application.
( 5 )
$466.99
Ideal for inboards, including diesels, Sierra Marine Premier Pro Series gauge kits feature polished stainless steel near-flush bezels and clean white dials with modern black and blue graphics. When illuminated, the black dial grads and pointer lights become red. Automotive type light-piping and fog-resistant design combine for outstanding readability in all conditions. Unless otherwise noted, the six gauges included are: tachometer, speedometer, fuel level, voltmeter, water temperature, and oil pressure. Additional notes: * No "halo" around dial edges * White dial, black graduations/numerals (metrics in blue) * Scratch-resistant curved glass lenses * Fog-resistant feature complies with SAE-J-1810
Not Yet Reviewed
$329.99
Sierra Marine digital compression testers are tools for testing compression on gasoline-powered engines, and they can store maximum compression value for up to 12 cylinders. The units display values in psi, Bar, and kPa on a backlit LCD monitor; each tester is sealed, vibration-protected, and features auto-shutoff. These digital compression tester tools will fit many outboard, inboard, PWC, ATV, and other recreational gasoline engines.
( 1 )
$412.99
Sierra Marine offers a wide range of watercraft drive unit replacement parts, including U-joint assemblies for various GLM, Mallory, OMC, Volvo Penta, and Mercruiser stern drive applications. Each component is manufactured with factory materials in accordance with OE specifications to ensure proper fitment and long-lasting performance.
Not Yet Reviewed
$402.99
Sierra Marine gimbal bearing removers will deliver reliable performance. Having the right tools to work on your boat will certainly make life easier, and Sierra carries a wide selection of quality-built tools to assist in making your job a success.
Not Yet Reviewed
$371.99
Sierra Marine offers prop shafts developed for use with OMC and Johnson/Evinrude engines. They have a lot of great features, including exceptional performance quality, durability, and high reliability. Sierra's propeller shafts are made with the industry's best-grade materials and are finished with a minimal quality of leftover tensions, and they are corrosion-resistant. All Sierra products are equal to or better than the original equipment parts that they are meant to replace. For more than 50 years, Sierra has been unmatched in quality and backed by rigorous engineering, testing, and manufacturing standards to produce the best parts in the marine industry. Sierra Marine's commitment to excellence ensures the highest degree of confidence where it counts the most: out on the water. Order the prop shaft designed for your application needs.
Not Yet Reviewed
$359.99
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$379.99
Proper tools make your job easier. Sierra Marine bearing carrier pullers are one of those tools. They are made from steel and black oxide coated. Effortlessly remove bearing carriers without damage using Sierra Marine pullers.
Not Yet Reviewed
$261.99
Sierra Marine offers replacement flywheels designed to restore OEM levels of performance. Each high-quality flywheel is built to the original dimensions, precision-machined, and balanced to remove runout and vibrations. Get your boat back on the water with a Sierra Marine flywheel, available for a variety of engine applications.
( 1 )
$346.99
Sierra Marine offers quality stator components, designed to supply the energy needed to operate the ignition system on an outboard boat motor. The stators also contain charge coils, which provide a charge current for the batteries. Order the Sierra Marine replacement stator model that corresponds with your OEM part number.
Not Yet Reviewed
$327.99
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$362.99
Sierra Marine Arctic Series gauge kits feature a stylish white bezel design, with black-on-white graphics. Accurate and reliable, these tough instruments look good on all types of boats. Arctic instruments are available in 4- and 6-gauge kits, and for either inboard or outboard applications. Additional notes: * Scratch-resistant domed glass lenses also shed water * Enhanced illumination: through-dial and perimeter lighting for excellent readability at night * Low-range speedometers * U.S. and metric scales, with ISO symbols, where appropriate
( 4 )
$332.99
Sierra Marine exhaust hoses meet or exceed the original equipment parts they are replacing. Made from durable rubber, Sierra offers several options to service your boating exhaust.
( 1 )
$525.99
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