Mercury MerCruiser Service Manual No. 23 – GM V8 454 & 502 Marine Engines

Buy the digital Mercury MerCruiser 23 service manual for GM V8 454 CID (7.4L) and 502 CID (8.2L) marine engines. Keep an engine-specific reference available when planning maintenance, investigating problems, or preparing for repair work.

Whether you’re a boat owner, marine mechanic, or experienced DIY enthusiast, choosing the right service manual starts with matching it to your engine. This digital manual is identified for the MerCruiser GM V8 454 and 502 engine families, helping you select a reference relevant to your marine engine rather than relying on general automotive information.

Why choose this digital service manual?

• Engine-specific reference: Identified for GM V8 454 CID / 7.4L and 502 CID / 8.2L marine engines.
• Practical ownership resource: Keep service information alongside your maintenance records and repair plans.
• Digital convenience: Add the manual to your digital reference collection without storing a printed volume.
• Useful for service preparation: Consult the applicable instructions before beginning maintenance or repairs.

Check compatibility before purchasing

Confirm that Service Manual No. 23 matches your engine’s model, serial number, and production year. Displacement alone does not establish compatibility with every MerCruiser configuration. Check the listing for file format and delivery details.

Purchase the Mercury MerCruiser 23 digital service manual and prepare for your next engine-service job with the right reference.