Dayco

Item #: 18366979

Dayco 71765 Upper Curved Radiator Hose

Item #: 18366979

NZD 59

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What Stands Out

Durable Construction

Made with high-quality materials, the Dayco 71765 ensures long-lasting performance under extreme temperatures and pressure, reducing the risk of leaks and failures.

Perfect Fit

Designed specifically for select vehicle models, this hose guarantees an optimal fit, making installation straightforward and preventing potential performance issues.

Enhanced Cooling

The curved design promotes efficient coolant flow, helping maintain engine temperatures and improving overall vehicle operation, which extends engine lifespan and performance.

Product Details

11-inch long Dayco 71765 Upper Curved Radiator Hose
Heavy duty construction withstands road debris, coolants, salt, and temperature variations
Reinforced with knitted rayon for maximum strength and burst resistance
Meets or exceeds OEM (Original Equipment Manufacturer) requirements
Burst resistance guarantee for the life of the hose

Item Length	11 Inches (27.9 cm)
Material Type	Rubber
Color	Black
Brand Name	Dayco
UPC	038244383603
Manufacturer	Dayco
Global Trade Identification Number	00038244383603
Item Type Name	Belts
Unit Count	1.0 Count
Included Components	Belt
Brand	Dayco
Material	Rubber
Number of Packs	1
Specific Uses For Product	Vehicle operation, maintenance, and emergency situations
Item Weight	1 lbs (450 grams)

Who Should Buy?

Car Enthusiasts
Ideal for those who frequently maintain or modify their vehicles, ensuring they have reliable coolant flow.
DIY Mechanics
Perfect for home mechanics looking for an affordable, quality replacement part for their radiator systems.
Repair Shops
A dependable choice for professional repair shops requiring a trustworthy hose for various vehicle makes and models.

Heavy-Duty Trucks
Not suitable for heavy-duty trucks that require more robust, industrial-grade cooling hoses.

Product Description

Dayco 71765 Upper Curved Radiator Hose

About This Item

Introducing the Dayco 71765 Upper Curved Radiator Hose - the perfect hose to ensure optimal performance and efficiency for your vehicle's cooling system. This high-quality radiator hose is designed to effectively transport coolant from the engine to the radiator, allowing for proper cooling and preventing the risk of engine overheating. Crafted with precision and durability in mind, the Dayco 71765 Upper Curved Radiator Hose is made to withstand extreme temperatures and harsh conditions. It is constructed with top-grade materials, ensuring long-lasting performance and reliable functionality. With its upper curved design, this radiator hose offers a perfect fit for a wide range of vehicle models.

The precise curvature ensures easy installation and enhances coolant flow, guaranteeing efficient cooling and preventing any unwanted leaks or hose damage. Whether you're a DIY enthusiast or a professional mechanic, the Dayco 71765 Upper Curved Radiator Hose is a must-have for any vehicle maintenance or repair project. Its easy installation process saves you time and effort, allowing you to get back on the road quickly and with confidence. Upgrade your vehicle's cooling system with the Dayco 71765 Upper Curved Radiator Hose for optimal performance, durability, and peace of mind. Don't compromise on quality - choose Dayco and experience the difference in your vehicle's performance.

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Product Buying Guide

When it comes to maintaining your vehicle's cooling system, a reliable radiator hose is essential for efficient operation. The Dayco 71765 Upper Curved Radiator Hose is designed to meet the demands of everyday driving, offering durability and performance. Whether you're a DIY enthusiast or a professional mechanic, this radiator hose is engineered to meet or exceed OEM requirements, providing peace of mind and reliable functionality. Continue Reading

Customer Questions & Answers

Question: What is the primary function of the Dayco 71765 Upper Curved Radiator Hose?

Answer: The Dayco 71765 Upper Curved Radiator Hose is designed to transport coolant between the radiator and the engine, maintaining optimal engine temperature. It plays a crucial role in the vehicle's cooling system, ensuring efficient heat dissipation. Over time, hoses can degrade due to heat and chemical exposure, making it essential to replace them to prevent overheating and engine damage. For example, if you notice coolant leaks or engine overheating, inspect the radiator hose for wear and consider replacement to maintain performance.
Question: How do I know if my Dayco 71765 Upper Curved Radiator Hose needs replacement?

Answer: You can identify potential issues with the Dayco 71765 Upper Curved Radiator Hose by checking for visible cracks, discoloration, or bulging. Additionally, signs of coolant leaks or low coolant levels may indicate a compromised hose. If your vehicle overheats or if you notice a sweet smell of coolant, it may be time for a replacement. Regular visual inspections, especially before long trips, can help catch problems early, ensuring your car remains reliable and preventing engine overheating scenarios.
Question: Is the Dayco 71765 Upper Curved Radiator Hose compatible with my vehicle?

Answer: To determine compatibility of the Dayco 71765 Upper Curved Radiator Hose, refer to your vehicle's manual or consult the manufacturer's specifications. This hose is specifically designed for certain makes and models, so verifying compatibility ensures proper fit and function. Installer professionals and auto parts retailers can also provide guidance to ensure you select the right hose for your car, promoting an efficient cooling system and preventing premature failures.
Question: What is the material used in the Dayco 71765 Upper Curved Radiator Hose?

Answer: The Dayco 71765 Upper Curved Radiator Hose is crafted from high-quality rubber composite materials, engineered to resist extreme temperatures and corrosion from automotive fluids. The durability of this material helps withstand various environmental conditions, ensuring the hose can maintain its integrity under pressure. By utilizing robust materials, this hose helps prevent leaks and maintains the vehicle's cooling efficiency, making it suitable for demanding driving conditions.
Question: Can I install the Dayco 71765 Upper Curved Radiator Hose myself?

Answer: Yes, the Dayco 71765 Upper Curved Radiator Hose can typically be installed by someone with basic mechanical skills. To install, you generally need to ensure the engine is cool, remove the old hose clamps, and replace it with the new hose, securing it tightly. Following a repair manual or an online guide can provide step-by-step instructions, making the process manageable. However, if you're unsure or lack the tools, consulting a professional may be advisable to guarantee proper installation.
Question: What are the symptoms of a failing radiator hose?

Answer: Symptoms of a failing radiator hose, like the Dayco 71765, can include visible leaks, engine overheating, and coolant pooling under the vehicle. You might also notice a drop in engine performance or hear hissing sounds coming from the engine bay. By being aware of these signs, you can address issues promptly and avoid more serious engine damage. Monitoring your vehicle regularly for these symptoms can lead to better upkeep and vehicle longevity.
Question: How important is maintaining my radiator hose?

Answer: Maintaining your radiator hose, such as the Dayco 71765, is vital for your vehicle’s overall health. A healthy hose prevents coolant leaks and ensures the engine operates at the correct temperature. Neglecting hose maintenance can lead to serious issues, including overheating, engine failure, and costly repairs. Regular inspections and timely replacements are essential for efficient vehicle operation, particularly during temperature extremes, where cooling systems are heavily stressed.
Question: What should I look for in a quality radiator hose like the Dayco 71765?

Answer: When selecting a quality radiator hose like the Dayco 71765, look for durability, heat resistance, and a suitable design that fits your vehicle's specifications. Features such as reinforced construction, high-grade materials, and compatibility with automotive fluids enhance reliability. A hose that meets original equipment specifications not only ensures a proper fit but also promotes optimal performance in your vehicle’s cooling system, making sure it runs smoothly under various driving conditions.
Question: What is the average lifespan of the Dayco 71765 Upper Curved Radiator Hose?

Answer: The average lifespan of the Dayco 71765 Upper Curved Radiator Hose can vary based on driving conditions and maintenance but typically ranges from 4 to 6 years. Factors such as exposure to heat, chemicals, and mileage can influence its longevity. Regular inspections help assess wear and allow for timely replacement, safeguarding your vehicle against potential overheating and performance issues. It's wise to include hose checks during routine maintenance to ensure prolonged durability.
Question: Where can I buy Dayco 71765 Upper Curved Radiator Hose in New Zealand?

Answer: You can purchase the Dayco 71765 Upper Curved Radiator Hose through Ubuy in New Zealand. Ubuy offers a variety of automotive parts and accessories, allowing you to conveniently find and order the right components for your vehicle. Shopping through Ubuy ensures you have access to reliable product details and support, enhancing your purchasing experience.

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“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”

22 July 2026 · via Trustpilot

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“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”

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“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”

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“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”

11-Jul-26 · via Trustpilot

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Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NZD 59

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Dayco 71765 Upper Curved Radiator Hose