My Account
Shopping Cart

Sierra 18-5116-1 Ignition Sensor for MerCruiser Thunderbolt V6 V8

Manufacturer

Part Number

118-5116-1
Sale Price

$69.88

In Stock (8)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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 18-5116-1 is a high-quality ignition sensor designed for MerCruiser V6 and V8 marine engines equipped with Thunderbolt IV and Thunderbolt V ignition systems. This essential ignition component helps prevent electrical shorts and ensures reliable engine performance on the water.

Key Features:

  • Direct replacement for MerCruiser ignition systems with nut connectors (1981-1997)
  • Fits GM V-6 and V-8 engines with Thunderbolt IV and V ignition distributors
  • Manufactured with marine-grade components to meet or exceed OEM specifications
  • Backed by Sierra's quality standards for reliable performance

OEM Cross-Reference Numbers:

  • MerCruiser: 87-861780A2, 87-861780A4, 87-861780Q4, 87-892150A02, 87-892150Q02, 87-91019A2, 87-91019A3, 87-91019A6
  • GLM: 73110
  • Mallory: 9-29804
  • CDI: E11-0005

Sierra Marine is known for producing premium aftermarket marine engine components that deliver perfect fit and performance when OEM parts fail. This ignition sensor is engineered specifically for the demanding marine environment.

Fast and friendly website experience with excellent prices!

It was quick delivery. Tired didn't show up at the same time but it still was fast.

Nice and faster

Quick and easy, just how I like it

Quick and easy

VERY FAST SERVICE

Quick ship, good quality

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