My Account
Shopping Cart

Sierra 18-0146 Marine Gasket Set for Volvo Penta Engines

Manufacturer

Sierra

<h3>Sierra Marine: Over 58 Years of Aftermarket Excellence</h3><p><strong>Sierra</strong> has built a reputation as one of the most trusted names on the water, bringing more than five decades of engineering expertise to the marine aftermarket. <a href="/7570-sierra">Sierra</a> is a globally recognized manufacturer with a rich 58-year history developing aftermarket engine and drive parts primarily for the marine industry — covering everything from inboard sterndrive applications to outboard engines across a huge range of makes and models.</p><p>In 2022, the Sierra brand underwent a significant expansion, broadening its portfolio to serve both the boating sector and select land-based applications. Today, Sierra encompasses its full core product lineup alongside well-established marine brands like Shields and Moeller, giving boaters a single trusted source for a comprehensive range of parts and supplies.</p><h3>Instrumentation Built for the Helm</h3><p>Sierra is perhaps best known for its industry-leading marine instrumentation. The brand offers one of the widest selections of <a href="/7570-sierra-gauges-200483">marine gauges</a> available in the aftermarket, spanning both analog and digital formats. Whether you need a replacement fuel level indicator, oil pressure gauge, water temperature monitor, or voltmeter, Sierra engineers these instruments to deliver accurate, reliable readings in demanding on-water conditions. All gauges are built to be water-resistant, UV-protected, and corrosion-resistant — critical traits in a saltwater or freshwater marine environment.</p><p>For boaters who want a coordinated helm setup, Sierra's <a href="/7570-sierra-gauge-set-1480">gauge sets</a> make it easy to monitor all key performance metrics in a cohesive, matched style. Available in a variety of series — from the classic Lido and Amega styles to more modern configurations — these multi-function sets cover everything from RPM and speed to fuel level and trim angle in a single package.</p><p>One of the most critical instruments on any vessel, the <a href="/7570-sierra-tachometer-gauge-1488">tachometer gauge</a> tells the operator exactly how hard the engine is working. Sierra's tachometer lineup spans a wide RPM range and is designed to interface with outboard, inboard, and sterndrive gas engines. With features like scratch-resistant lenses, perimeter lighting for night visibility, and compatibility with NMEA 2000 systems on select models, Sierra tachometers are a go-to upgrade or OEM replacement for serious boaters.</p><h3>Marine Engine Oils Formulated for the Water</h3><p>Beyond instrumentation, Sierra produces a full line of <a href="/7570-sierra-engine-oil-12138">marine engine oils</a> developed specifically for the rigors of boat engine operation. From 4-stroke FC-W certified oils to full synthetic and semi-synthetic blends in a range of viscosities, Sierra's lubricants are formulated to meet or exceed the requirements of leading marine engine manufacturers. Their engine oils are engineered to reduce friction and sludge buildup, provide maximum corrosion protection, and keep engines running cleanly — whether you're navigating coastal waters or freshwater lakes.</p><h3>Why Boaters Trust Sierra</h3><ul style="list-style:disc"><li>Over 58 years of marine aftermarket manufacturing experience</li><li>Products meet or exceed OEM standards across inboard, outboard, and sterndrive applications</li><li>Industry-leading warranty on instrumentation and parts</li><li>Comprehensive catalog spanning instrumentation, engine parts, fuel systems, and electrical supplies</li><li>Expanded brand portfolio including legacy names Shields and Moeller</li></ul>

Part Number

18-0146
09/12/2036 12:51 PM
Sale Price

$18.66

1 left at this price

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-0146 is a marine-grade gasket set designed as a direct replacement for select Volvo Penta inboard and stern drive engines. Built to Sierra International's exacting quality standards, this gasket set meets or exceeds original equipment manufacturer (OEM) specifications to ensure a proper seal and reliable engine performance.

Sierra International is a leading supplier of marine replacement parts, and the 18-0146 gasket set is manufactured from materials engineered to withstand the demanding thermal and chemical environment of marine engines. This set is an ideal choice for scheduled maintenance or engine rebuild applications.

Key Features:

  • OEM-equivalent marine gasket set for Volvo Penta applications
  • Meets or exceeds original manufacturer specifications
  • Manufactured from high-quality, marine-grade materials for reliable sealing
  • Designed for direct, drop-in replacement — no modification required
  • Backed by Sierra International's quality assurance standards

Compatible with Volvo Penta AQ120B, AQ125A, AQ125B, AQ140A, and BB140A engines. Always verify fitment against your engine's model and serial number before installation.

great service

Good

I could only pay with my Amazon Visa card on file, but I have money/credit in my Amazon account,maybe Amazon will use the other funds?

The Amazon checkout makes it really easy!

Fast

Nice website

Amazon checkout was nice.

Quick and easy buying process with great prices.

I called to make sure they had it in stock and when it would ship which was told same day as ordered. Just what I wanted to hear.

Great

Good prices, good communication, and quick shipping. Would recommend for future purchases.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy