My Account
Shopping Cart

Sierra RK19850TP Contura III DPDT Momentary Rocker Switch Waterproof 20A

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

RK19850TP
08/08/2036 8:52 AM
Sale Price

$21.10

In Stock (10+)

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 RK19850TP Contura III is a heavy-duty waterproof rocker switch designed for marine, RV, and powersports applications. This DPDT (Double Pole Double Throw) switch features a momentary on/off/momentary on configuration with 6 brass blade terminals, providing versatile control options for dual circuit applications.

Key Features:

  • Waterproof construction rated to IP66 and IP68 standards—protects against dust and prolonged water spray or immersion
  • Non-corrosive plastic housing withstands harsh marine and outdoor environments
  • Includes both black and gray removable actuators for custom appearance
  • Brass blade terminals with silver contacts ensure reliable electrical connection
  • Meets UL 1500 and ISO 8846 ignition protection requirements for safe installation near fuel sources
  • Supplied with neoprene mounting gasket for weather-tight installation
  • Non-illuminated design for stealth appearance

Specifications:

  • Configuration: DPDT, Mom On/Off/Mom On (momentary positions in both directions)
  • Electrical Rating: 20 amps @ 12V DC
  • Terminal Type: 6 blade terminals
  • Protection Rating: IP66/IP68 waterproof

Ideal for controlling bilge pumps, trim tabs, windlasses, and other marine accessories that require momentary control with center-off position. The dual actuator colors allow you to match your existing switch panel aesthetic.

Products specifications

Color

Gray & Black

Positions

(On)/Off/(On)

Terminals

6 Blade

Type

DPDT

quick and easy

That was quick, thanks for the Amazon option.

Great Purchase.

So far so good

it seems good hope this part is right

Placed order on Tuesday late afternoon, item shipped next day. One of the fastest turn around times I expereniced online yet. Thank you

Good

website on my computer was tough to navigate

Hassle free. You should differentiate between shipping and billing address.

So far its been easy.

great and easy...

Too soon to tell. Took three days to ship. Best price on the web.

Great fast delivery awesome prices and good quality, Would shop with them again!

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