Description

PCM R103011 is a genuine OEM distributor rotor for PCM / Pleasurecraft GM-based marine engines using the Delco HVS electronic distributor system. Current public listings consistently describe it as the HVS / Vortec-style rotor used on 2002-and-newer PCM 5.0L and 5.7L MPI applications, and also as an OEM Crusader rotor in the same Delco HVS ignition family.

Key Features

• Genuine OEM distributor rotor
• PCM / Pleasurecraft part number: R103011
• Delco HVS electronic distributor rotor
• Commonly described for GM V6 and V8 marine engines with Delco HVS distributors
• Commonly used with distributor cap RA108009
• Two-screw rotor design; current listings note Torx T15 and T20 are needed for service.

Engine Compatibility
Current public listings most consistently tie R103011 to 2002-and-newer PCM 5.0L and 5.7L MPI engines using Delco HVS electronic distributors. Some current sources also describe it more broadly across GM V6 and V8 marine engines with Delco HVS distributors, and note overlap with certain Indmar applications using the same distributor family. Fitment should still be confirmed by engine model, serial number, and installed distributor setup before ordering.

Serial Number Fitment Notice
Fitment should be confirmed by PCM engine model and serial number, plus the installed Delco HVS distributor configuration, before ordering. This rotor is best matched by original part number R103011 and the RA108009 cap family rather than by engine family alone.

When This Part Needs Replacement
Replace when the rotor shows burning, carbon tracking, corrosion, cracking, looseness, or visible contact wear, or when ignition service reveals weak or inconsistent spark transfer. Rotor wear directly affects spark delivery and ignition reliability. This is an inference based on the part’s role in the Delco HVS distributor system and the fact that sellers position it as a tune-up replacement part.

Installation Notes
Install only on the correct Delco HVS distributor application. Confirm the replacement matches the removed rotor exactly before installation, and inspect the matching cap at the same time. Current sources consistently associate this rotor with cap RA108009, and note Torx T15 and T20 tools are needed for cap and rotor service.

Alternate / Superseded Part Numbers

• R103011
• Indmar 55-6346 / 556346
• Mercury MerCruiser 8M6001222
• Volvo Penta 3858977
• Sierra 18-5245

Parts Desk Insight
The strongest match point on R103011 is the distributor family, not just the engine brand. Public sources are very consistent that this is the Delco HVS rotor used with RA108009, so confirming that cap-and-rotor family is the quickest way to avoid mixing it up with older Prestolite, Mallory, or Delco EST marine rotors.

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