My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-5442 Ignition Coil for MerCruiser Stern Drives with Delco HEI

Manufacturer

Picture for manufacturer Sierra

Part Number

18-5442
10 reviews
Sale Price

$130.31

1 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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 18-5442 is a high-quality replacement ignition coil designed for MerCruiser stern drives equipped with Delco HEI (High Energy Ignition) systems. This coil is engineered to meet or exceed OEM specifications, delivering reliable spark energy for consistent engine performance on the water.

Key Features:

  • Direct replacement for Mercury Marine / MerCruiser OEM ignition coils
  • Designed for GM V-8 engines with Delco HEI ignition systems
  • Not compatible with MPI engines equipped with ECM 555
  • Meets or exceeds original equipment standards for voltage output and reliability
  • Built to withstand the harsh marine environment
  • Backed by Sierra's limited lifetime warranty against defects in workmanship and materials

OEM Cross-Reference Numbers:

  • Mercury Marine: 806673T1
  • Mercury Marine: 806673T
  • Mercury Marine: 806673
  • GLM: 72114

Sierra is a trusted name in marine aftermarket parts, offering premium-quality replacements across thousands of marine applications. The 18-5442 ignition coil is a reliable, cost-effective alternative to the OEM part, ensuring your MerCruiser engine fires correctly every time.

Products specifications

Type

Ignition Coils

good product, cheaper than i found on other web sites. fast shipping with tracking.

Good

product just as described, received in 3 days

quick and easy

Fast, easy checkout!

Incredible prices! I purchased a name brand leveling kit for 40% less than any one else is selling them for. Item shipped out within 2 days. Shipping cost is reasonable, and if you leave a review here after your purchase, they'll credit you back $5! BEST DEAL GOING!

GOOD DEAL

I've ordered several things from Autoplicity. Great products, and always great service. Recommend it to anyone......Thanks

good price

Very satisfied. Good price and quick delivery.

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