1. Sterndrive Electrical For Sale.
  2. sku: 3159770353845603
  3. API MARINE SW81-EI

API MARINE SW81-EI Starter Solenoid Relay Base Starter/trim 12V 581528 172869 18-5814 Ei

fits make: Johnson, Evinrude.

18-5814 Api Marine Sw81-ei Johnson Evinrude Starter/trim 12v Solenoid Relay W Base 581528 172869 Ei

( Brand: Api Marine ), ( Manufacturer Part Number: SW81-EI ), ( Part Type: Starter Solenoid )

Review API MARINE Johnson Evinrude Starter/trim 12v Solenoid Relay Base Ei

Introducing the API Marine SW81-EI Johnson/Evinrude Starter/Trim 12V Solenoid Relay Base, part numbers 581528 and 18-5814 EI. This top-tier solenoid relay is a must-have for your Johnson or Evinrude outboard motor, designed to ensure reliable and efficient operation of the starter and trim functions.

The SW81-EI solenoid relay base is a 12-volt device, making it compatible with the standard electrical systems found in most outboard motors. It's constructed from high-quality materials, ensuring durability and longevity even in the harshest marine environments. The relay uses a robust, marine-grade plastic housing, protecting its internal components from water, salt, and UV radiation.

This solenoid relay features an intelligent design, with separate circuits for the starter and trim functions. Each circuit is equipped with a protective diode to prevent reverse current flow, minimizing the risk of damage to the motor or the relay itself. The relay also incorporates a built-in overload protection mechanism, ensuring that the electrical system remains safe from overloads, short circuits, and potential damage.

The SW81-EI is easy to install, requiring minimal wiring and setup. Its compact size and modular design make it a perfect fit for a wide range of Johnson and Evinrude outboard motors. The relay base comes with clear and concise installation instructions, ensuring that you can get your motor up and running in no time.

In summary, the API Marine SW81-EI Johnson/Evinrude Starter/Trim 12V Solenoid Relay Base, part numbers 581528 and 18-5814 EI, is an essential accessory for any Johnson or Evinrude outboard motor. It delivers reliable, efficient, and safe performance, withstands the rigors of marine environments, and offers easy installation. Trust this premium solenoid relay to keep your motor's starter and trim functions working at their best.

Pros and Cons of Buying Johnson Evinrude START/TRIM 12V Solenoid Relay Base (API Marine Part # 581528 172869 18-5814 EI)

Introduction:

This article provides an in-depth analysis of the Johnson Evinrude START/TRIM 12V Solenoid Relay Base (API Marine Part # 581528 172869 18-5814 EI) by examining its key features, advantages, and disadvantages.

Pros:

1. OEM Quality: This solenoid relay is an original equipment manufacturer (OEM) part, meaning it is designed and manufactured by Johnson Evinrude, ensuring a perfect fit and optimal performance.

2. Dual Function: The START/TRIM relay combines two functions in one, providing both the starter and trim functions, reducing the need for additional components and simplifying the wiring setup.

3. 12V Operation: The 12V power requirement is widely used in marine applications, ensuring easy compatibility with most boats' electrical systems.

4. Durable Design: The relay is built to withstand the harsh marine environment, featuring a waterproof housing and robust construction.

5. Easy Installation: The plug-and-play design makes installation straightforward, saving time and effort for boat owners.

Cons:

1. Price: As an OEM part, the solenoid relay may be more expensive compared to aftermarket alternatives.

2. Limited Availability: Due to its specialized nature as an OEM part, it may be less readily available from local marine parts suppliers, requiring online purchases or special orders.

Conclusion:

The Johnson Evinrude START/TRIM 12V Solenoid Relay Base (API Marine Part # 581528 172869 18-5814 EI) offers several advantages, including its OEM quality, dual function, 12V operation, durable design, and easy installation. However, the higher price point and limited availability may deter some potential buyers.

Recommendation:

If you are looking for a reliable, high-performance solenoid relay for your Johnson Evinrude engine and value the benefits of OEM quality and ease of installation, the API Marine Part # 581528 172869 18-5814 EI is an excellent choice. However, if you are budget-conscious or prefer to shop locally, consider exploring aftermarket alternatives before making a final decision.

Details:

DISCOUNT of 50%. Condition: New Other. Manufacturer PN: SW81-EI. Johnson Evinrude Starter/Trim 12V Solenoid Relay w Base 581528 172869 18-5814 EI: Thumbnails to: PRODUCT SPECIFICATIONS: Brand: API Marine.

Below the price of item. Notes: Retails for $28. Isolated Base.

part #: sw81 prices

  • $30.00-$33.00

specifications steelectr:

  • for makes: Johnson, Evinrude
  • brand: Api Marine
  • mpn: Sw81-ei
  • part type: Starter Solenoid

general steelectr:

  • Boat Parts > Sterndrive Motors Components > Electrical Systems
  • condition: New other see details

returns steelectr:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

shipping steelectr:

  • type: Calculated
  • service: USPS First Class, USPS Priority Mail, UPS Ground, USPS Priority Mail Express
  • transit: 5-11 Days
  • class: Standard, Expedited
  • cost: $6.37
  • carrier: USPS, UPS

payments steelectr:

  • credit card: Diners-club
  • wallet: Apple-pay
  • other

offer steelectr:

  • started: October 13, 2025
  • quantity: 5
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

seller steelectr:

  • rating: 98.7%
  • # reviews: 73307
  • city: Hollywood, Florida
for makes: johnson, evinrude, part type: starter solenoid,
category: boat parts > sterndrive components > electrical systems, sku: 3159770353845603,
Api Marine SW81 Is Similar To:
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4 offers $30.00–$33.00 USD
  • New other (see details). Offer #1 priced at $33.00 + $6.95 shipping estimate = $39.95* total. (below the price of the item). OMC , .+$6.95 shipping
  • New. Offer #2 priced at $33.00 + $6.95 shipping estimate = $39.95* total. - OMC 12V I/O Slave Solenoid Isolated Base Arco SW340.+$6.95 shipping
  • New. Offer #3 priced at $30.00 + $10.25 shipping estimate = $40.25* total. OMC #'s , .+$10.25 shipping
  • New. Offer #4 priced at $28.00 + $10.25 shipping estimate = $38.25* total. Arco# SW394. OE# 586842.+$10.25 shipping

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