Mahle Voltage Regulator for Alternators Ref. 37911125198 OEM MGX1801 130676

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Mahle Voltage Regulator for Alternators Ref. 37911125198 OEM MGX1801 130676

Genuine Mahle Letrika alternator voltage regulator, part number 37911125198 (cross-references MGX 1801, MGX1801, 130676). Engineered to provide precise voltage stabilization and electrical circuit protection on agricultural and industrial machinery alternators. Delivers consistent battery charging output while preventing system overvoltage and component wear.

OEM MAHLE / Letrika Quality
Precise 14V Output Regulation
Integrated Brush Holder & Carbon Brushes

€89.00VAT incl.

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Description

Key features

OEM MAHLE / Letrika QualityEngineered to exact factory specifications, ensuring micro-level electrical calibration, high thermal endurance, and direct plug-and-play fitment.

Precise 14V Output RegulationDelivers stable charging voltage across all operating RPM bands, preventing battery overcharging, electrolyte boil-off, and low-idle battery draw.

Integrated Brush Holder & Carbon BrushesFitted with high-copper graphite brushes featuring controlled progressive wear properties and calibrated springs for consistent slip ring contact.

Encapsulated Solid-State CircuitryInternal electronics are sealed in high-grade potting resin to resist severe engine vibration, high ambient temperatures, chaff, and moisture.

Integrated Thermal CompensationAutomatically adjusts regulation setpoints according to ambient operating temperatures, optimizing winter cranking capacity and summer battery longevity.

Extensive Cross-Reference MatchDirectly replaces popular aftermarket and factory references including Iskra/Letrika (11.125.198, MGX 1801) and Cargo (130676).

Specifications

Commercial Part Number	37911125198
Brand / Manufacturer	MAHLE (Letrika / Iskra range)
Original Equipment References (OEM)	130676, MGX 1801, MGX1801, 11.125.198
Component Classification	Electronic voltage regulator with integrated brush holder
Nominal Regulating Voltage	14 V (for 12V vehicle electrical systems)
Circuit Architecture	Solid-state electronic with overvoltage suppression
Carbon Brush Assembly	Included (pre-loaded copper-graphite brushes with contact springs)
Mounting Configuration	Rear alternator end-frame direct screw-on mount
Primary Alternator Application	MAHLE / Letrika / Iskra alternator platforms (e.g., AAG, IA, AAK series)