Mitsubishi Window Regulator MR525777 MR991325

The TinzerMotor MR525777 is a professional-grade electric window regulator and motor assembly specifically designed for Mitsubishi commercial vehicles and light trucks. Produced by Ruian Tianze Mechanical & Electrical Co., Ltd., this unit is engineered to provide an OE-standard replacement that emphasizes high-torque performance and long-term mechanical durability for demanding fleet operations.

• System Type: Power Window Regulator with Motor (Complete Assembly).

• Operating Voltage: 12V DC.

• High-Torque Performance: Equipped with a reinforced motor designed to lift commercial-grade door glass smoothly without speed loss.

• Construction: The frame is built from high-tensile, corrosion-resistant steel, while the motor features a high-grade alloy core to prevent gear failure under stress.

• Quiet Technology: Precision-machined gears ensure quiet and smooth operation, maintaining noise levels between 38–43 dBA.

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• Mitsubishi L300: Specifically designed for the Mitsubishi L300 (Delica/Van) commercial transport and logistics models.

• Mitsubishi Adventure: Compatible with various regional multi-purpose commercial variants.

• Position: Front Left (LH) Driver Side.

• Vehicle Type: Optimized for light-to-medium duty commercial transport and specialized logistics fleets.

• OEM Reference: MR525777.

• Mitsubishi Part Numbers: MR-525777.

• RH Counterpart: MR525778 (Front Right/Passenger Side assembly).

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• Endurance Cycle Testing: Every assembly design is validated for 50,000 to 80,000+ operational cycles, simulating a decade of intensive daily use.

• 100% Quality Inspection: Each assembly undergoes a final factory check for lifting speed, torque, and electrical current draw before packaging to ensure "zero-defect" delivery.

• Environmental Stress Testing: Components are validated to function flawlessly in extreme temperature ranges (from -40°C to +80°C) and under high-vibration conditions typical of commercial road use.

• Certified Production: TinzerMotor facilities strictly follow ISO 9001 and IATF 16949 international automotive quality standards.

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Please contact: 

Ms Riva  

Wechat/WhatsApp +86 15355970956 

Email: riva@ruishuoautoparts.com