Product Description
The SAP-1304 is an aftermarket premium gauge manufactured by Swiss Auto (Deutsche) to match the Original Equipment (OE) aesthetics and accuracy of Royal Enfield motorcycles. This moving-coil analog meter features a center-zero scale, allowing riders to instantly see if the alternator is “charging” (needle moves to the right) or if the system is “discharging” (needle moves to the left).
Built with a high-quality glass lens and a weather-sealed steel housing, the SAP-1304 is designed to resist the heavy vibrations and exposure to elements typical of long-distance touring. The internal damping mechanism ensures the needle remains steady even on rough terrains, providing clear and reliable readings. It is an essential component for riders who want to avoid unexpected battery failures by catching charging issues early.
Key Features:
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OE Design & Fit: A direct replacement for Original Part No. 592173/C (Classic) or 592799/C (Electra), fitting perfectly into the factory casquette.
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Highly Responsive Analog Needle: Provides immediate visual confirmation of the electrical load and charging rate.
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Robust Construction: Features a steel-and-plastic composite body that is vibration-proof and impact-resistant.
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Night-Time Visibility: Designed to work with the standard internal bulb socket for clear reading during night rides.
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Corrosion-Proof Terminals: Rear electrical studs are treated to prevent oxidation, ensuring a consistent signal from the wiring harness.
Technical Specifications:
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Part Number: SAP-1304 (Swiss) / DEUS-1304 (Deutsche)
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Voltage: 12V DC
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Type: Analog Moving Coil (Center Zero)
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Measurement Range: 15A – 0 – 15A (Standard)
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Weight: Approx. 110g
Vehicle Compatibility:
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Royal Enfield Classic 350 / 500 (BS3 & BS4 Models)
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Royal Enfield Electra (2008–2012 / Twinspark Models)
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Royal Enfield Bullet Standard 350 (UCE Models)
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Note: Specifically designed for models with the round gauge slot in the headlight dome. Not compatible with the newer J-Series Reborn or Meteor models which use digital consoles.











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