The 2541.3813010 is an electronic tachometer produced by NKP AVTOPRIBOR, a Russian automotive instrument manufacturer headquartered in Vladimir with over 90 years of engineering experience and a catalogue of more than 750 automotive component types. The instrument is purpose-built to continuously monitor crankshaft rotation frequency in heavy vehicle engines, giving drivers a real-time engine speed readout critical for efficient gear selection and preventing over-revving under load.
Internally the device is structured as two discrete assemblies: an electronic signal-processing unit and a separate mechanical measuring mechanism. This modular architecture means each sub-system can be diagnosed and replaced independently, reducing repair time in the field.
The tachometer operates on a 12-volt electrical system and is a direct fit for a broad range of Soviet-era and Russian commercial and agricultural platforms — ZIL-4331, ZIL-133G4, ZIL-5301 trucks, KamAZ heavy-duty trucks, and T-150 agricultural tractors — making it a versatile stock item for operators running mixed fleets. Manufactured at NKP AVTOPRIBOR's own full-cycle production facilities in Vladimir, the 2541.3813010 carries a declared service resource of up to 100,000 km.
The company holds OEM supply agreements with leading Russian vehicle assemblers, and the same quality standards applied to first-fit components govern aftermarket units, ensuring this tachometer is a reliable, long-lasting replacement rather than a generic substitute.
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