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The average cost for a Honda Odyssey alternator replacement is $270 to $1,010. This doesn’t include taxes or fees, and you could need related repairs as well.
The Average Cost for a Honda Odyssey Alternator Replacement Is $270 to $1,010, Depending on if You Go to the Mechanic or DIY.
This price range is based on the national average for the Honda Odyssey, and it doesn’t consider taxes or fees. You could also need related repairs or maintenance, such as new battery cables or a serpentine belt replacement. You can learn more about how much it can cost to replace your serpentine belt by reading our detailed guide here.
For a more accurate price estimate based on your Honda Odyssey’s year and location, use the RepairPal Fair Price Estimator.
Get a more accurate estimate for your Honda Odyssey alternator replacement cost using RepairPal’s Fair Price Estimator:
Cost at the Mechanic: $901 to $1,010
Parts: $270 to $303
Labor: $630 to $707
A Honda Odyssey alternator charges your vehicle’s battery while the engine is running. It also provides power to your vehicle’s electrical system. The alternator can last for more than 100,000 miles, and many work well for 150,000 miles. Replacing an alternator usually takes a mechanic about two hours.
Cost To DIY: $270 to $303
- Difficulty Level: Intermediate
- Parts Needed:
Replacing a Honda Odyssey alternator yourself instead of using a mechanic could help you save several hundred dollars. If you’re not comfortable working on your car’s engine and its components, a mechanic may be worth the extra money.
What Is a Honda Odyssey Alternator?
The alternator in a Honda Odyssey charges the battery while the engine is running. A malfunctioning alternator will eventually lead to a dead battery and a vehicle that won’t start.
The engine’s crankshaft spins a serpentine belt, which in turn spins several components such as the power steering pump, air conditioner compressor, and the alternator. An alternator is a type of generator that converts mechanical energy — the rotation of the alternator pulley — into electrical energy, which is what charges the battery and operates your Odyssey’s electrical systems while the engine is running.
What Does a Honda Odyssey Alternator Replacement Include?
A Honda Odyssey alternator replacement includes several steps:
- Disconnect the battery to remove any electrical current from the system.
- Disconnect the power steering reservoir by removing the hose clamp.
- Remove the serpentine belt, the dipstick for the oil, and the compressor for the air conditioner to access the alternator.
- Remove the main power feed.
- Remove and replace the alternator.
- Reassemble the components you removed earlier.
Replacing a Honda Odyssey alternator usually takes about two hours for a mechanic or three hours for someone working from home. If the shop has a busy schedule or needs to order parts, you may need to leave your vehicle overnight.
What Happens if You Don’t Get a Honda Odyssey Alternator Replacement?
If you don’t get a replacement for your Honda Odyssey’s alternator when needed, your battery may not charge, preventing you from starting your vehicle the next time you want to go somewhere. Your Odyssey could also stall when you stop at a traffic light or stop sign.
The first sign that your alternator has failed is that the red battery warning light on the dashboard will turn on. As the voltage continues to drop, it will cause chaos with your Odyssey’s electrical systems. Other warning lights may turn on, such as your antilock brakes or traction control, whether these systems are actually inoperable or not. Your lights will dim, and eventually, there will not be enough power left to run your engine, causing it to stall.
Driving for a short distance, such as to a shop, maybe safe if your alternator has failed, particularly if you have completely charged your battery. You should have your vehicle checked by a mechanic or diagnose it yourself as soon as possible.
How Often To Get a Honda Odyssey Alternator Replacement
There is no designated replacement interval for the alternator. Honda is known for its durable products, and an alternator can last from 70,000 to 150,000 miles. Driving often in harsh conditions or adding aftermarket accessories like a high-powered stereo could shorten your alternator’s life. People sometimes need to replace an alternator because oil or power steering fluid leaked onto it and caused damage.
It’s a good idea to have your alternator checked whenever you have your vehicle serviced. Making sure your alternator works properly only takes a few minutes, and catching any problems early can help you save time and money. For accurate maintenance schedules, you can check your Honda Odyssey owner’s manual or use the free FIXD app.
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Common Signs You Need to Get a Honda Odyssey Alternator Replacement
- A vehicle that won’t start
- A vehicle that stalls frequently
- Exterior lights are dim
- A flickering touchscreen
- An activated or flickering check engine light, battery light, or dedicated ALT light (Learn more about the common reasons why your battery light would come on by reading our guide here)
- An OBD2 Code P0562, vehicle voltage low
You can take your car into a shop, or you can save money by learning how to diagnose and fix the problem yourself with our P0562 guide here.
Related Maintenance Services
The following services are commonly performed with a Honda Odyssey alternator replacement:
Never Miss Important Maintenance Again With FIXD
With the FIXD Sensor and free app, you can follow a customized maintenance schedule based on your Honda Odyssey’s age and mileage. FIXD sends automatic maintenance alerts straight to your phone, helping you keep track of essential maintenance tasks like changing your oil and your vehicle’s battery. FIXD can track your vehicle’s wiper, tire, and battery life to help you keep everything running smoothly. With FIXD, you can take a lot of the stress out of car care. It’s that simple.

At FIXD, our mission is to make car ownership as simple, easy, and affordable as possible. Our research team utilizes the latest automotive data and insights to create tools and resources that help drivers get peace of mind and save money over the life of their car.