Get Jeep Grand Cherokee Lower Radiator Hose. Find Jeep Grand Cherokee Coolant Hoses & Jeep Grand Cherokee Coolant Hose Price. Maintaining the lower radiator hose of your Jeep Grand Cherokee is crucial for ensuring peak engine performance and longevity. Regular inspection for cracks, swelling, or leaks can preempt critical failures, signaling when a replacement is necessary. To extend the lifespan, ensure the cooling system is flushed as per the manufacturer's schedule to prevent corrosive buildup. When choosing a replacement hose, opt for high-quality materials like reinforced silicone or Epdm rubber that can withstand extreme temperatures and pressures. These hoses are engineered for durability and a precise fit, simplifying installation and offering superior resistance to wear and tear—key selling points for savvy online shoppers looking for reliable auto parts that promise efficiency and peace of mind.