Edited by Asiautos Auto Part
Wearing Parts in the MG ZS: Oil Filter, Front Left Wiper Arm, and Rear Wiper Blade
The MG ZS is a popular compact SUV known for its reliability and cost-effective maintenance. Among its critical components are the wearing parts, which require periodic replacement due to regular wear and tear. This guide provides an in-depth overview of three essential wearing parts: the engine oil filter, front left wiper arm, and rear wiper blade, covering their functions, materials, maintenance, and replacement procedures.
1. Engine Oil Filter

Function & Importance
The oil filter in the MG ZS is a vital component of the engine’s lubrication system. It ensures clean oil circulates through the engine by trapping contaminants (metal particles, dirt, and sludge) that accumulate over time. A clogged or inefficient filter can lead to:
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Reduced engine performance.
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Increased friction and wear on engine components.
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Potential engine overheating or failure.
Construction & Materials
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Filter Media: Typically made of synthetic fibers or cellulose, designed to capture particles as small as 20–40 microns.
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Housing: Metal or durable plastic casing with a rubber gasket to prevent leaks.
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Bypass Valve: Allows oil to flow even if the filter is clogged (a safety feature).
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Anti-Drainback Valve: Prevents oil from draining out when the engine is off, ensuring instant lubrication at startup.
Compatibility & Specifications
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The MG ZS uses a spin-on oil filter (e.g., part number MGZ-OLF-001 for certain models).
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Recommended replacement interval: Every 10,000–15,000 km or as per the manufacturer’s guidelines.
Replacement Procedure
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Drain the engine oil completely.
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Use an oil filter wrench to remove the old filter.
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Lubricate the new filter’s gasket with fresh oil before installation.
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Tighten the filter by hand (avoid over-tightening).
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Refill with the recommended oil grade (e.g., 5W-30 fully synthetic).
Signs of a Failing Oil Filter
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Dark, dirty oil on the dipstick.
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Engine knocking or ticking noises.
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Low oil pressure warning light.
2. Front Left Wiper Arm

Role & Design
The front left wiper arm is part of the windshield wiping system, ensuring clear visibility during rain or debris accumulation. It connects the wiper blade to the motor linkage and is engineered for:
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Precise tension to maintain blade contact with the windshield.
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Corrosion resistance (often made of coated steel or aluminum).
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Aerodynamic efficiency to reduce wind lift at high speeds.
Key Features
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Spring Mechanism: Applies consistent pressure to the blade.
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J-Hook or Pin-Type Mount: Compatible with MG ZS wiper blades.
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Paint Finish: Prevents rust and matches the vehicle’s aesthetics.
Replacement Indicators
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Streaking or skipping during operation.
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Visible rust or physical damage to the arm.
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Loose movement or inability to hold the blade firmly.
Installation Steps
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Lift the wiper arm away from the windshield.
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Press the release tab to detach the old blade.
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Remove the nut securing the arm to the motor linkage.
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Install the new arm and tighten the nut to the specified torque.
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Attach a new wiper blade and test for smooth operation.
Maintenance Tips
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Clean the arm and blade regularly to prevent dirt buildup.
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Avoid forcing the arm during icy conditions to prevent motor damage.
3. Rear Wiper Blade

Purpose & Specifications
The rear wiper blade ensures rear window clarity, critical for safety during adverse weather. The MG ZS typically uses a 14–16 inch blade (e.g., part number MGZ-RWB-002) with:
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Rubber Refill: Designed for curved rear windows.
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Spoiler Attachment: Enhances downforce for even pressure.
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Universal Connector: Compatible with most hook-style arms.
Why Replace It?
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Cracked or split rubber reduces wiping efficiency.
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Chattering noises indicate uneven wear.
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Visible gaps leave water streaks.
Replacement Guide
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Lift the wiper arm vertically.
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Slide the old blade downward to release it.
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Align the new blade’s connector with the arm’s hook.
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Push until it clicks into place.
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Lower the arm gently and test.
Material Innovations
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Silicon Blades: Last longer than traditional rubber.
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Graphite-Coated Rubber: Reduces friction for smoother operation.
Conclusion
Regular inspection and replacement of these wearing parts—oil filter, front left wiper arm, and rear wiper blade—are crucial for the MG ZS’s longevity and safety. Always use OEM or high-quality aftermarket parts to maintain performance. Refer to the owner’s manual for model-specific guidelines or consult a certified MG technician for complex replacements.
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