Availability
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 )
$314.99
—
$379.99
Sierra Marine starters will "crank" your vessel's engine with assured performance. They offer remanufactured and new starters for a wide range of stern drive (I/O) and inboard engines. Remanufactured starters have new solenoids, drives, bushings, brushes, and springs. The bodies are powdercoated for greater corrosion resistance. Protect yourself and your investment, choose Sierra starters and get back on the water with over 50 years of experience powering the way.
( 12 )
$222.99
—
$234.99
Sierra Marine MAGFORCE ignition wire sets are "electronics friendly". These spark plug wires protect all of your electronic devices and electronic engine controls from radio-frequency interference and electromagnetic interference, while delivering the maximum amount of voltage. Their exact-fit design ensures easy installation and years of trouble-free service. Sierra MAGFORCE ignition wire sets feature: * Moisture-proof, molded distributor insulators * High-quality conductive center carrier * Mag/wire-wound core delivers maximum voltage without RFI and EMI interference * High-tensile strength membrane for added durability and heat resistance * Innovative nylon reinforcing tape for added strength and durability * 8mm high-tear strength silicone jacket protects conductor up to 500 degrees F * High-temperature, pre-greased silicone insulators * Posi-lock stainless steel terminals resist corrosion
( 15 )
$35.99
—
$84.99
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
$211.99
—
$365.99
Sierra Marine replacement distributor rotors are the perfect replacement part for your tune up. Don't get caught off guard without a good spark for your boat, replace your worn or damaged distributor rotors with new ones from Sierra Marine. They are manufactured to stringent quality standards and are fully interchangeable with the OEM parts they are designed to replace. Order the Sierra Marine distributor rotors suited to fit your application needs.
( 2 )
$8.99
—
$27.99
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 )
$771.99
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
Sierra Marine air charge temperature sensors offer a durable replacement you can rely on! Built with the latest technology, these sensors are one-piece designs that eliminate internal connectors and failure points for more reliable service. Sierra Marine temperature sensors have rugged plastic shells. Get accurate readings and replace your original equipment with Sierra Marine.
Not Yet Reviewed
$48.99
Sierra Marine Delco HVS distributors utilize an aluminum housing that replaces weaker plastic housings found on factory models. These are designed as direct replacements for late model GM HVS distributors. 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. Meets or exceeds SAE J1171 standards.
Not Yet Reviewed
$523.99
Sierra Marine offers electrical relays for a wide range of watercraft makes—including OMC, Volvo Penta, CDI, Force, Mallory, Mercruiser, Mercury, and US Marine. These 12 V replacements can help restore the performance you expect.
Not Yet Reviewed
$24.99
Is it time for a tuneup? Replace your distributor's worn out cap with a new one from Sierra Marine. Why take chances with old, questionable, or faulty ignition components that can leave you stranded? Sierra Marine replacement distributor caps are designed to exceed OEM specifications for dependable, maintenance-free operation.
( 3 )
$25.99
Sierra Marine offers a comprehensive line of fuse styles, colors, and amp ratings to meet your specific application requirements. They're sold individually, in pairs, or in sets. Watercraft fuses can fail at the most inopportune times—why not order a supply of replacements so you're never stranded without them.
Not Yet Reviewed
$28.99
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
