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Alternator 12v 55Amp. Porsche 356 / 912 ❭ 61660310201
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Please Note: Only to be used with 6v to 12v conversion kits 35660310100/1 and 35660310601/1
Fits:
Porsche 356A - 1955 to 1959
Porsche 356B - 1959 to 1963
Porsche 356C - 1963 to 1965
Porsche 912 - 1967 to 1968
The alternator supplies 12 volt electrical power at approximately 55 amps, ensuring the battery stays charged while the engine is running and that onboard electrical systems have a consistent power source. By maintaining reliable charging output, it prevents deep battery discharge, supports reliable starts, and enables all electrical systems (lights, gauges, ignition) to operate as intended.
Alternators convert mechanical energy from the engine into electrical power, replenishing the battery and supplying current to electrical loads such as ignition systems, lighting, and accessories. OE Match units are built to mirror key characteristics of the original unit - including electrical output, pulley alignment, and mounting points - for a seamless installation.
Function
• Generates electrical power: Converts engine rotation into 12 V DC current
• Maintains battery charge: Keeps the battery topped up during operation
• Supports electrical loads: Powers lights, ignition, horn, gauges, and accessories
• OEM-style performance: Designed to match original Porsche charging characteristics
Proper functioning of the alternator is essential for dependable operation of classic Porsche electrical systems, especially with higher loads like daytime running lights or additional accessories.
Alternators wear with age due to electrical load, mechanical stress, heat, and bearing fatigue. Common signs of a failing alternator include:
• Dim or flickering lights
• Battery discharge or inability to hold charge
• Erratic electrical performance
• Unusual noises from the alternator bearings
• Failure to start due to low battery.
A worn alternator can leave you stranded or cause electrical component stress. Replacing it with an OE Match unit helps ensure reliable electrical generation, supports daily driving needs, and preserves the classic vehicle’s original electrical behaviour.
When to replace. Replace this OE Match alternator when:
• The charging system fails to maintain battery voltage
• Battery frequently runs down or goes flat
• Alternator noises (bearing rumble, whine) are present
• You are performing a restoration or electrical system upgrade
• Original alternator shows wear, overheating, or damage
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61660310201
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