Volvo Manual Window Regulator 3176539

• Product Name: Heavy Duty Truck Manual Window Regulator (Crank Type).

• Operating Side: Left Hand (Driver Side / LH).

• Mechanism Type: High-tension cable-drive system optimized for manual crank operation.

• Material: High-strength cold-rolled steel frame with advanced zinc-plating for maximum corrosion resistance.

• Internal Gear: Precision-machined steel manual drive gear with high-torque ratio to ensure smooth and effortless cranking.

• Cable Specs: Aircraft-grade stainless steel cables with a protective polymer jacket to prevent fraying and moisture damage.

• Volvo VNL / VNM / VHD / VT Series: 2004–2017+ models (Manual version).

• Mack Granite / Vision / Pinnacle (CHU / CXU): Models utilizing the shared Volvo cabin architecture.

• Volvo (OE): 3176539, 20450505 (Manual variant), 85101344 (Manual variant).

• Automann: 174.450505M.

• Opposite Side (RH): 3176540 (Passenger Side).

1. Mechanical Precision: Unlike low-cost alternatives, TinzerMotor utilizes hardened steel gears and precision-molded pulleys. This prevents the "slipping" or "stiffness" often found in manual regulators after prolonged use.

2. Rigorous Performance Testing:

• Manual Life-Cycle Test: Every design is subjected to over 40,000 full-range cycles to ensure the internal spring and cable tensioners remain perfectly calibrated over the vehicle's lifespan.

• Extreme Climate Test: Components are tested in temperature chambers from -45°C to +85°C, ensuring the lubrication doesn't freeze in winter or leak in summer heat.

• Salt Spray Protection: The galvanized frame passes a 120-hour Salt Spray Test, making it highly resistant to the road salt and high humidity typical of heavy-duty truck routes.

3. Smooth-Crank Engineering: By utilizing high-quality synthetic lubricants and low-friction rollers, TinzerMotor ensures a "Silk-Smooth" experience, requiring minimal physical effort to lift or lower the heavy truck glass.

4. Heavy-Duty Fitment: 1:1 precision mapping ensures all mounting studs and the crank handle spline align perfectly with the original Volvo/Mack door specs, guaranteeing a hassle-free installation.

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Please contact: 

Ms Riva  

Wechat/WhatsApp +86 15355970956 

Email: riva@ruishuoautoparts.com