Sierra Ignition Coil - SIE-18-5443

Sierra 18-5443 Ignition Coil

Sierra 18-5443 Ignition Coil is a replacement part for MerCruiser, OMC, and Volvo Penta Sterndrives. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.

Features:

Fits: 4 Cyl., GM V-6 & V-8 Engines with Delco HEI Ignition

Primary Resistance: 1.45±15% Ohms

Secondary Resistance: 8.5±20% Kilo Ohms

Interchangeable With:

Crusader

7243200

GLM

72113

Indmar

556132

Mallory

9-29708

MerCruiser Stern Drive

817378

817378T

898253T27

OMC Stern Drive

3854002

986644

Volvo Penta

3854002

Frequently Asked Questions

• What is the Sierra 18-5443 Ignition Coil used for? The Sierra 18-5443 Ignition Coil is a replacement ignition component for MerCruiser, OMC, and Volvo Penta sterndrive applications. It is designed for 4-cylinder, GM V-6, and GM V-8 engines equipped with Delco HEI ignition systems. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.
• What engines does the Sierra 18-5443 Ignition Coil fit? The Sierra 18-5443 Ignition Coil fits 4-cylinder, GM V-6, and GM V-8 engines with Delco HEI ignition. The supplied application information does not specify individual engine years or model numbers, so verify your engine's ignition system before purchasing.
• What are the resistance specifications for the Sierra 18-5443 Ignition Coil? The Sierra 18-5443 Ignition Coil has a specified primary resistance of 1.45 ±15% ohms and a secondary resistance of 8.5 ±20% kilo ohms. These specifications can be used when checking the ignition coil against the requirements of the applicable engine and ignition system.
• Is the Sierra 18-5443 compatible with MerCruiser, OMC, and Volvo Penta sterndrives? Yes. The Sierra 18-5443 is identified as a replacement part for MerCruiser, OMC, and Volvo Penta sterndrives. It is also listed as interchangeable with specified part numbers from MerCruiser Stern Drive, OMC Stern Drive, and Volvo Penta, along with Crusader, GLM, Indmar, and Mallory references.
• What part numbers does the Sierra 18-5443 Ignition Coil replace or interchange with? The Sierra 18-5443 is interchangeable with Crusader 7243200, GLM 72113, Indmar 556132, and Mallory 9-29708. Listed MerCruiser references include 817378, 817378T, and 898253T27. OMC references are 3854002 and 986644, while Volvo Penta lists 3854002.
• What should I verify before purchasing the Sierra 18-5443 Ignition Coil? Verify that your engine is a 4-cylinder, GM V-6, or GM V-8 configuration equipped with Delco HEI ignition. You can also compare the applicable OEM or interchangeable part number with the references listed for the Sierra 18-5443. If your engine or ignition system is not specifically identified, confirm compatibility before installation.