My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-5737 Power Trim Relay for Mercury/Mariner Outboard Motors

Manufacturer

Picture for manufacturer Sierra

Part Number

18-5737
12 reviews
Sale Price

$51.19

In Stock (7)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
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 18-5737 Power Trim Relay is a direct-replacement electrical relay designed for Mercury and Mariner outboard motors equipped with power trim systems. This relay controls the electrical current to the power trim motor, enabling reliable up and down trim operation to optimize engine angle and boat performance on the water.

Sierra International is a trusted manufacturer of marine replacement parts, and the 18-5737 meets or exceeds the specifications of the original equipment manufacturer (OEM) part it replaces. It is a drop-in replacement for Mercury OEM part number 87-19761, making it a cost-effective alternative without sacrificing quality or reliability.

Key Features:

  • Direct replacement for Mercury OEM part number 87-19761
  • Meets or exceeds OEM specifications for fit, form, and function
  • Designed for Mercury and Mariner outboard motors with power trim systems
  • Restores proper power trim operation — up and down trim control
  • Built to Sierra's marine-grade quality standards for durability in harsh saltwater and freshwater environments

The Sierra 18-5737 is an ideal solution for restoring a malfunctioning or failed power trim relay on your Mercury or Mariner outboard, ensuring your trim system operates safely and reliably.

Products specifications

Compatibility

Mercury/Mariner 40 (4 Cylinder) (w/Relays) OC159200 & Up. Replaces Mercury/Mariner 87-19761

Type

Engine Parts

Fast checkout, Fast shipping thanks !!!

very helpful people and easy checkout

Very happy with my purchase. SUPER fast shipping and great communication. Will use again!

Great Prices

Love the Amazon pay option. Best price I could find on the net was through autoplicity. Great service thus far.

Quick and easy

paid for 2 day shipping i believe the shipping company screwed up but i needed it asap and it took to long missed my deadline. otherwise no complaints great product

Ordering was easy and qiuick

great so far.

Happy with the prices less than half the price of local parts. Quick easy checkout.

Best Price I could find on this item

Smooth easy process

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