# Radiator hose replacement cost - **Typical cost:** $150-$450 per hose - **Parts:** $40-$150 - **Labor:** 0.5-2 hours per hose - **Dealer:** $250-$650 ## Quick answer Replacing one radiator hose usually costs $150 to $450 at an independent shop, including clamps and coolant. An upper hose that is easy to reach on a small car is at the low end. Lower hoses reached from underneath, molded hoses with built-in sensors or quick-connect fittings, and replacing both hoses at once push the bill higher. ## What is radiator hose and why does it need replacing? Radiator hoses carry coolant between the engine and the radiator. The upper hose usually takes hot coolant from the thermostat housing to the radiator, and the lower hose returns cooled coolant to the water pump. They are made of reinforced rubber shaped to fit the engine bay and are held with clamps or quick-connect fittings. A burst hose can drain the cooling system in minutes. Hoses age from the inside out. Heat, pressure and electrochemical reactions in the coolant slowly break down the rubber, so a hose can look fine outside while it is soft, swollen or cracking inside. Oil leaks soften rubber further, and old clamps can cut into the hose or let it seep. Plastic necks on the radiator and thermostat housing can crack when old hoses are removed. There is no fixed interval, but hoses are worth inspecting at every service and replacing when they feel soft, hard, swollen or cracked. ## How much does radiator hose replacement cost? | | Typical cost per hose | | --- | --- | | Parts | $40-$150 | | Labor | $110-$300 (0.5-2 hours per hose) | | Total at an independent shop | $150-$450 | | Total at a dealer | $250-$650 | | Do it yourself (parts only) | $40-$150 | ## Cost by vehicle type | Vehicle | Typical cost per hose | | --- | --- | | Compact car | $150-$280 | | Midsize sedan | $160-$320 | | Small SUV/crossover | $170-$350 | | Full-size truck/SUV | $180-$400 | | Luxury/European | $250-$450 | Ranges are for an independent shop. Expect the high end or more for European luxury makes and dealer service. ## What changes the price? - **Upper or lower hose.** The upper hose is usually on top of the engine and quick to swap. The lower hose often means removing a splash shield or working from underneath, and it drains more coolant when removed. - **Hose design.** Simple molded hoses are inexpensive. Some engines use multi-branch hoses, hoses with quick-connect plastic fittings or built-in temperature sensors, and those cost noticeably more from the dealer or aftermarket. - **Coolant and bleeding.** Replacing a hose drains coolant that must be refilled with the specified type and bled of air. Engines that hold a lot of coolant or are hard to bleed add parts and labor. - **Related parts.** A hose that failed may have taken a plastic radiator neck, thermostat housing or clamp with it. Shops often suggest replacing both hoses or the thermostat at the same time because the labor overlaps. ## Can you do it yourself? Difficulty: **Easy to moderate**, about 1-2 hours. Parts cost $40-$150, so doing it yourself saves the labor ($110-$300). ## What happens during the job? 1. Pressure-test the cooling system to find the leak and inspect both hoses, clamps, the radiator necks and the radiator cap. 2. With the engine cool, drain coolant below the hose level and remove any shields or ducts in the way. 3. Loosen the clamps and work the old hose off without cracking plastic necks, then clean the fittings. 4. Fit the new hose with new clamps positioned correctly, refill with the specified coolant and bleed out the air. 5. Run the engine to full temperature, check for leaks at both ends and top up the coolant once it cools. ## What should a fair quote include? - Pressure test to confirm the leak source - The hose and new clamps - Coolant to refill the system - Bleeding air from the system - A leak check at operating temperature ## How to pay less for radiator hose replacement - Confirm the leak is at the hose and not the radiator, water pump or a clamp that only needs tightening. - Replace both radiator hoses together if they are the same age, since much of the coolant drain overlaps. - Have the coolant changed at the same visit if it is due, since most of it is drained anyway. - Do the job yourself if the hose is easy to reach and you can bleed the system properly. - Buy a quality aftermarket hose that matches the factory shape rather than a universal flexible hose. ## Signs you need it - Coolant puddle under the front of the car - Coolant level keeps dropping - Hose feels soft, spongy, swollen or cracked - Sweet smell or steam from the engine bay - Temperature gauge rising or overheating warning ## Frequently asked questions ### How much does it cost to replace a radiator hose? Most independent shops charge $150 to $450 per hose in 2026, and dealers $250 to $650. That includes the hose, clamps and coolant. Upper hoses on small cars are at the low end, while lower hoses reached from underneath and hoses with built-in fittings or sensors cost more. ### Can I drive with a leaking radiator hose? Only a very short distance, and only with the temperature gauge normal. A small seep can turn into a burst hose without warning, and running low on coolant can overheat the engine and damage the head gasket. If the gauge climbs or you see steam, pull over and turn the engine off. ### How do I know if a radiator hose is bad? With the engine cold, squeeze the hoses. A good hose feels firm but flexible. A hose that feels soft, spongy, swollen, rock-hard or cracked should be replaced. Coolant crust or wetness near the clamps, a dropping coolant level and a sweet smell are other signs. ### Should I replace both radiator hoses at once? Often, yes, if they are original and the same age. When one hose fails, the other has seen the same heat and coolant. Replacing both at once costs more in parts, but much of the labor and coolant overlaps, so it is cheaper than a second visit. ### Can I replace a radiator hose myself? Yes, on many cars. Work only on a cold engine, drain coolant into a pan, swap the hose and clamps, and refill with the specified coolant. Bleed out all the air and recheck the level after a drive. Old plastic radiator necks can crack, so twist hoses off gently. ### How long do radiator hoses last? There is no fixed life. Many last years, but heat, age, oil contamination and old coolant break them down from the inside. Inspect them at every oil change once the car is several years old, and replace any that feel soft, hard or swollen. ### What is the difference between the upper and lower radiator hose? The upper hose usually carries hot coolant from the engine's thermostat housing to the top of the radiator. The lower hose returns cooled coolant from the radiator to the water pump. The lower hose often sits under suction and can collapse if it weakens, causing overheating at higher speeds. ### Can a bad radiator hose cause overheating? Yes. A leaking hose lets coolant escape until the level is too low to cool the engine, and a soft lower hose can collapse under suction at speed and block flow. A burst hose can cause severe overheating in minutes. Watch the temperature gauge and stop if it climbs. ### Is a radiator hose leak expensive to fix? Usually not, compared with most cooling repairs. One hose is typically $150 to $450 at an independent shop. The cost rises sharply only if the engine overheated badly before you stopped, which can warp the cylinder head or damage the head gasket. Fixing a seeping hose early avoids that. ### Should I use stop-leak for a radiator hose leak? No. Stop-leak products are designed for small pinholes in the radiator or block, not for a hose that is cracking or leaking at the clamp. They can also clog heater cores and radiator passages. Replace the hose; it is usually a modest repair. ## Sources - [Car Care Council: Car care guide](https://www.carcare.org/car-care-guide/) - [AAA: Approved Auto Repair](https://www.aaa.com/autorepair/) ## How long it lasts - [How often should you change coolant?](https://diagxcar.com/how-often/change-coolant): Every 30,000-100,000 miles ## Symptoms - [Why is my car leaking coolant?](https://diagxcar.com/symptoms/car-leaking-coolant) - [Why is my car overheating?](https://diagxcar.com/symptoms/car-overheating) - [Why does my car smell sweet?](https://diagxcar.com/symptoms/sweet-smell-from-car) ## Related codes - [P0217 Engine Coolant Over Temperature Condition](https://diagxcar.com/codes/p0217) ## Other repair costs - [Radiator replacement cost](https://diagxcar.com/cost/radiator-replacement): $500-$1,200 - [Rack and pinion replacement cost](https://diagxcar.com/cost/rack-and-pinion-replacement): $1,000-$2,500 - [Serpentine belt replacement cost](https://diagxcar.com/cost/serpentine-belt-replacement): $100-$250 - [Power steering pump replacement cost](https://diagxcar.com/cost/power-steering-pump-replacement): $400-$900 - [Shocks and struts replacement cost](https://diagxcar.com/cost/shocks-and-struts-replacement): $350-$1,100 - [Oxygen sensor replacement cost](https://diagxcar.com/cost/oxygen-sensor-replacement): $150-$450 - [Spark plug replacement cost](https://diagxcar.com/cost/spark-plug-replacement): $120-$450 - [Oil change cost](https://diagxcar.com/cost/oil-change): $45-$150 - [Starter replacement cost](https://diagxcar.com/cost/starter-replacement): $350-$900 - [Muffler replacement cost](https://diagxcar.com/cost/muffler-replacement): $200-$600 --- Source page: https://diagxcar.com/cost/radiator-hose-replacement Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.