MR455402 Power Steering Pump Fits Mitsubishi PAJERO PININ/MONTERO IO H66W H76W

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Product Function Description

The power steering pump is the core component of your Mitsubishi Pajero Pinin's hydraulic steering system. It pressurizes the steering fluid, which then flows through the steering gear to assist you in turning the steering wheel with minimal effort. For a compact off-road SUV like the Pajero Pinin (also known as Montero IO), a properly functioning steering pump is especially critical. This vehicle is designed for both city streets and light to moderate off-road trails. A reliable pump ensures precise steering response and smooth handling during tight city parking, winding mountain roads, and weekend off-road adventures. Without a reliable pump, the Pinin's off-road-ready chassis and tire setup makes steering noticeably heavier, taking the fun out of every drive.

When Should You Replace It?

Consider replacing your power steering pump if you experience any of the following symptoms: Whining or groaning noise when turning the steering wheel, especially during parking maneuvers. Stiff or heavy steering, particularly at low speeds. Power steering fluid leaks under the vehicle or around the pump area. Steering wheel feels vague, jerky, or unresponsive. Low or contaminated power steering fluid (dark color or burnt smell). Intermittent steering assist – the pump works sometimes but fails at other times.

Product Specifications

Why Choose This Pump for Your Pajero Pinin / Montero IO?

This pump is calibrated to deliver the right amount of steering assistance – effortless enough for city driving, yet responsive enough for trail maneuvering. Restores Factory Steering Feel – Over time, the original pump loses efficiency due to internal wear. This premium replacement brings back the confident, precise steering response that Mitsubishi designed for this SUV. Built to Last – Manufactured with high-quality materials and precision engineering, this pump offers excellent durability and resistance to wear. Tested for Reliability – Each pump undergoes rigorous testing for pressure stability, temperature resistance, and leak-proof sealing to ensure dependable performance in all driving conditions. Cost-Effective Maintenance – Replace a failing pump early to prevent damage to the steering gear and other steering components.

Package Contents

1 x Power Steering Pump.  Mitsubishi recommends using Genuine Mitsubishi PSF or equivalent power steering fluid for 4G93/4G94 engines. Please confirm whether the pulley is included before purchasing.

Installation Tips

The steering pump is driven by the V-belt. Inspect the belt and tensioner before installation. Always flush and replace the power steering fluid when installing a new pump. After installation, bleed the steering system by turning the wheel left and right several times with the engine running to remove air bubbles. Check for fluid leaks around all hose connections after installation. Professional installation is recommended if you are not familiar with steering system repairs.

After-Sales Service & Warranty

We stand behind the quality of our products. This power steering pump comes with a 12-month warranty against manufacturing defects. If you have any questions or issues, please contact us and we will respond within 24 hours.

Recommended Related Products

Power Steering Fluid (Mitsubishi PSF or equivalent) / V-Belt / Belt Tensioner / High-Pressure Power Steering Hose / Power Steering Return Hose / Pulley (if not included with the pump)