Sierra Ignition Rotor SIE-18-5411

Sierra SIE-18-5411 is an ignition rotor for selected OMC stern drive, Volvo Penta, Crusader, and Chris-Craft marine distributor applications. Current aftermarket listings consistently identify it as a replacement rotor crossing to OMC 382134 / 982342 and Volvo Penta 841243.

Key Features

• Ignition rotor
• Sierra part number: 18-5411
• Commonly listed for OMC stern drive and Volvo Penta applications
• Cross-references commonly include Chris-Craft 16.69-00042, Crusader 1003318 / 12531, GLM 71090, and Mallory 9-29210.

Engine Compatibility
Common listings describe Sierra 18-5411 for selected OMC stern drive and Volvo Penta marine gasoline applications using the matching distributor setup. Aftermarket sources also tie it to certain Crusader and Chris-Craft applications through OEM cross-reference numbers. Because rotor fitment is distributor-specific, fitment should be confirmed by engine model, distributor type, and original rotor number before ordering.

Serial Number Fitment Notice
Fitment should be confirmed by engine model, serial number, and installed distributor type before ordering. Matching the original OEM number is the safest way to avoid ordering the wrong rotor.

When This Part Needs Replacement
Replace when the rotor shows burning, carbon tracking, corrosion, cracking, looseness, or visible contact wear, or when distributor service reveals weak or inconsistent spark transfer. Rotor condition directly affects ignition performance and spark delivery.

Installation Notes
Install only on the correct distributor application. Confirm the replacement matches the removed rotor exactly before installation, and inspect the distributor cap at the same time. This part is best matched by distributor style and OEM cross-reference, not by appearance alone.

Alternate / Superseded Part Numbers

• Sierra 18-5411
• OMC 382134
• OMC 982342
• Volvo Penta 841243
• Chris-Craft 16.69-00042
• Crusader 1003318
• Crusader 12531
• GLM 71090
• Mallory 9-29210

Parts Desk Insight
This rotor is a match-by-application ignition part. The important detail is not just the engine brand, but the exact distributor and OEM rotor number. Sierra 18-5411 is most consistently tied to OMC 382134 / 982342 and Volvo Penta 841243 in current aftermarket references.

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