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Relays / Fuses
By OE Match
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
The OE Match Fuse Box is an original-style Bakelite 12-pole fuse box designed for classic Porsche 356 electrical systems.
Fits:- Porsche 356 A/B/C 1.5-1.6 01/55-12/65
Manufactured to reproduce the appearance and layout of the period fuse box, it provides a suitable replacement for an original unit that has become cracked, burnt, corroded or electrically unreliable while helping retain the authentic appearance of the vehicle's electrical installation.
The fuse box forms a central part of the vehicle's electrical protection system. Individual electrical circuits are routed through replaceable fuses so that excessive current can interrupt the affected circuit before wiring or electrical components suffer more serious damage.
On vehicles now approaching or exceeding sixty years of age, deterioration of the original fuse block, terminals and connections can contribute to intermittent electrical problems, excessive resistance and heat generation.
Replacing a damaged fuse box helps restore secure fuse retention, reliable electrical connections and proper circuit protection.
What This Product Does:
The fuse box provides a secure location for the vehicle's electrical fuses and associated wiring connections.
It is designed to:
- Hold the vehicle's individual electrical fuses securely.
- Distribute electrical power between protected circuits.
- Provide connection points for the vehicle wiring harness.
- Allow each circuit to be protected by the correct fuse rating.
- Interrupt electrical current if a protected circuit becomes overloaded.
- Help protect wiring from excessive current.
- Provide convenient access for fuse inspection and replacement.
- Replace a cracked, burnt or corroded original fuse block.
- Maintain the period-correct appearance of the Porsche 356 electrical system.
- Support reliable operation of lighting and other fused electrical equipment.
Symptoms Of Wear Or Failure:
Possible symptoms include:
- Intermittent electrical equipment operation.
- Lights occasionally cutting out.
- Electrical accessories working when the fuse is moved or touched.
- Poor fuse contact.
- Fuses sitting loosely in their holders.
- Corroded fuse terminals.
- Green or white oxidation around electrical connections.
- Burnt or blackened terminals.
- Heat discolouration.
- Cracked Bakelite housing.
- Broken fuse-retaining clips.
- Loose wiring terminals.
- Melted or damaged fuse ends.
- Fuse box becoming unusually warm.
- Voltage drop across a fuse connection.
- Electrical circuits operating weakly or inconsistently.
- Complete loss of an otherwise functional circuit.
- Evidence of previous overheating or electrical repair.
Why Replacement Matters:
A deteriorated fuse box can undermine the reliability of the entire electrical system.
Replacing a damaged unit helps restore:
- Secure fuse retention.
- Clean electrical contact.
- Reliable circuit continuity.
- Proper circuit protection.
- Reduced electrical resistance.
- Reduced risk of localised overheating.
- Correct wiring support.
- Reliable operation of fused electrical equipment.
- Period-correct appearance.
For a restored Porsche 356, replacing an unreliable or badly damaged fuse block can prevent repeated electrical troubleshooting and provide a dependable foundation for the rest of the wiring system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64461280100
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
This kit is assembled with 2 Bosch relays. This reduces the current running through the headlight switch minimizing premature failure and improving lighting efficiency. Mounts to the fuse panel using high-strength double sided adhesive. No drilling required to mount
Fits:
Porsche 356 1955-61
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64461511000
The product you are viewing cross references to these numbers
OEMatch Relays / Fuses — Fit, Function, Confidence
Relays and fuses protect and manage electrical circuits across Porsche models. OEMatch supplies relays and fuses selected for Porsche applications, with a wide catalogue including over 4,000 part numbers and 8,700 OE cross-references to support correct replacement and repair.
Available Types
- Blade fuses for low-current circuits.
- Cartridge and high-current fuses for power circuits.
- Micro fuses and fuse links used in compact fuse boxes.
- Power relays, micro relays and multi-pin relay modules for switching higher loads.
Understanding OEMatch Relays / Fuses
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original relays and fuses. OE (Original Equipment) refers to parts matching original specifications for the relays and fuses and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM relays and fuses engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Fuses act as the first line of defence by breaking the circuit when current exceeds safe levels, protecting wiring and modules. Relays use a low-current control signal to switch higher-current loads, allowing devices such as headlights, fuel pumps and cooling fans to run without overloading switches or control units.
Benefits Include
- Restored operation of electrical systems and accessories.
- Protection for wiring and expensive electronic modules.
- Reduced risk of fault-related damage and related downtime.
Why Relays / Fuses Wear and Fail
- Overcurrent or short circuits that blow fuses.
- Corrosion or moisture ingress causing poor connections.
- Worn or pitted relay contacts leading to intermittent operation.
- Vibration or mechanical stress loosening terminals and sockets.
The Importance of Replacing with OEMatch Relays / Fuses
Timely replacement maintains electrical integrity, prevents cascading failures and helps ensure systems perform as intended on Porsche models. Choosing parts selected for Porsche applications reduces the risk of incorrect ratings or poor fitment.
Advantages
- Precise fit and correct mounting for existing fuse boxes and relay sockets.
- Ratings and contact arrangements matched to typical Porsche circuits.
- Coverage for common Porsche models to aid straightforward replacement.
