Mitsubishi Window Regulator MK488225 MK581271

The TinzerMotor MK488225 is a high-performance electric window regulator and motor assembly designed specifically for heavy-duty commercial trucks. Manufactured by Ruian Tianze Mechanical & Electrical Co., Ltd. (Tinzer), this unit is engineered to provide an OE-standard fit with the structural strength required for demanding fleet environments.

• Operating Voltage: Standard 12V (primarily for light-to-medium duty variants).

• Motor Torque: High-output design (approx. 5 Nm to 15 Nm) specifically calibrated to lift heavy commercial-grade door glass smoothly.

• Acoustic Profile: Precision-machined gears ensure quiet operation, maintaining a noise level of roughly 43 dBA, which is quieter than a standard household refrigerator.

• Materials: Features a high-tensile steel alloy frame with corrosion-resistant coating and a reinforced motor core to prevent structural warping under load. 

• Mitsubishi Fuso: Primarily designed for the Fuso Canter (FE7, FE8 series) and related models starting from 2003 onwards.

• Position: Front Left (LH) Driver Side (or Passenger Side depending on RHD/LHD region).

• Truck Capacity: Frequently applied in 3.5-ton to 6.5-ton configurations.

• OEM Number: MK488225, MK488225S.

• Jmen Reference: JMMS-WR099M.

• Other Related Parts: Often paired with the MK488226 (Right-hand counterpart).

• Cycle Testing: Designs are validated for long-lasting performance in actual vehicle environments to ensure a trouble-free service life.

• 100% Final Inspection: Every single unit undergoes a strict final factory inspection for lifting force, speed, and quiet operation before shipment.

• Environmental Resilience: Components are tested for stability in high-vibration and extreme-temperature conditions common in commercial trucking.

• Certification Standards: Manufacturing processes adhere to international benchmarks, including ISO 9001 and IATF 16949.

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