8M6001253 Mercury MerCruiser Rotor | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver HEI Distributor Rotor - Part Number: 8M6001253

A genuine Quicksilver ignition rotor for MerCruiser GM V8 petrol engines fitted with Delco High Energy Ignition systems. This rotor is used inside the distributor cap and transfers ignition voltage from the distributor coil terminal to the correct spark plug terminal.

⚙️ Key Features

• Genuine Quicksilver OEM distributor rotor

• Correct Mercury part number 8M6001253

• Used on MerCruiser GM V8 engines with Delco HEI ignition

• High-strength rotor construction for heat and vibration resistance

• Coated brass rotor blade designed to reduce radio-frequency interference

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M6001253 current Quicksilver rotor reference

• 898253010 related Mercury / MerCruiser rotor reference in the same HEI ignition family

OEM / Related Numbers:

• 8M6001253

• 898253010

• HEI distributor rotor

• Delco HEI rotor

• 8M6001106 related distributor cap

• 8M0215003 current replacement distributor cap reference

• 8M6001222 related rotor reference in later ignition service family

• 8M0215004 current related rotor reference

Aftermarket / Verified Equivalents:

• Aftermarket HEI rotor equivalents exist, but final match must be made by ignition system and distributor style

🚤 Compatibility

Commonly used on:

• MerCruiser GM V8 engines with Delco High Energy Ignition

• MerCruiser 5.0L, 5.7L and related V8 HEI distributor applications

• MerCruiser ignition tune-up service where rotor 8M6001253 is specified

Typically suits:

• Engine models:

• MerCruiser 5.0L GM V8 engines with Delco HEI ignition where 8M6001253 is specified

• MerCruiser 5.7L GM V8 engines with Delco HEI ignition where 8M6001253 is specified

• MerCruiser 350 MAG GM V8 HEI distributor applications where 8M6001253 is specified

• MerCruiser small-block GM V8 carburetted and EFI engines using the matching Delco HEI distributor

• MerCruiser V8 tune-up kit applications using distributor cap 8M6001106 and rotor 8M6001253

• Engine Type: MerCruiser GM V8 petrol engine with Delco HEI ignition

• System Type: Distributor ignition rotor

• Fitment Note: Match by distributor style and serial-numbered ignition diagram, not only by engine litre size.

🔌 Function

The rotor spins inside the distributor cap and routes high-voltage ignition spark to each cylinder in firing order. A good rotor is essential for clean spark delivery, smooth running and reliable starting.

Common signs of failure:

• Hard starting

• Engine misfire under load

• Rough idle

• Burn marks or carbon tracking on rotor

• Weak spark or no-start condition

• Rotor damage found during distributor cap service

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging