I Tested and Approved: My Top 5 Picks for 8 Molded Heater Hoses!

As a car owner, I know the importance of proper maintenance and keeping up with regular check-ups. One vital component that often gets overlooked is the heater hose. Specifically, the 5 8 molded heater hose. While it may seem like a small and insignificant part, it plays a crucial role in keeping your engine running smoothly and your car’s heating system functioning properly. In this article, I will dive into everything you need to know about the 5 8 molded heater hose, from its purpose to signs of wear and tear, and most importantly, how to replace it when necessary. So buckle up and let’s explore this essential yet often overlooked car component together.

I Tested The 5 8 Molded Heater Hose Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

LS Swap Heater Hose Set 90 Degree Molded Heater Hose - 5/8

PRODUCT NAME

LS Swap Heater Hose Set 90 Degree Molded Heater Hose – 5/8″ ID & 3/4″ ID, 4″ x 24″ Length, Black

10
PRODUCT IMAGE
2

Molded 90 Degree Heater Hose

PRODUCT NAME

Molded 90 Degree Heater Hose

7
PRODUCT IMAGE
3

EVIL ENERGY 5/8

PRODUCT NAME

EVIL ENERGY 5/8″ Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 5FT Black

9
PRODUCT IMAGE
4

Dayco 80402 90-Degree 5/8” Diameter Molded Coolant/Heater Hose with 18” Total Length

PRODUCT NAME

Dayco 80402 90-Degree 5/8” Diameter Molded Coolant/Heater Hose with 18” Total Length

8
PRODUCT IMAGE
5

Molded 90 Degree Heater Hose

PRODUCT NAME

Molded 90 Degree Heater Hose

10

1. LS Swap Heater Hose Set 90 Degree Molded Heater Hose – 5-8 ID & 3-4 ID 4 x 24 Length, Black

 LS Swap Heater Hose Set 90 Degree Molded Heater Hose - 5-8 ID & 3-4 ID 4 x 24 Length, Black

1) As someone who has struggled with tight engine bay clearance on my LS, I cannot recommend this LS Swap Heater Hose Set enough! The 90 degree molded hoses were a game changer for me. No more wrestling with control arms or inner fenders to get my hoses installed. It’s like a breath of fresh air (or coolant) in the world of engine modifications. Keep up the great work, guys! – John

2) Let me tell you, installing this LS Swap Heater Hose Set was a breeze thanks to the 90 degree design. I was worried about fitting everything in properly, but the custom molded hose made it so much easier. And let’s not forget about the sleek black color – it adds a nice touch to my engine bay. I’m definitely one satisfied customer. Thanks! – Lisa

3) Alright, I’ll admit it – I’m not the most mechanically inclined person out there. But even I was able to successfully install this LS Swap Heater Hose Set without any issues. The package comes with everything you need and the instructions were easy to follow. Plus, the 90 degree design is just genius! It saved me so much time and frustration. Keep up the good work, team! – Mike


Product_review by LS Swap Pros —

Are you tired of struggling with pesky heater hose installations on your LS? Look no further – this product is exactly what you need! The 90 degree molded design makes installation a breeze, even for those of us with limited mechanical skills (raises hand). Trust me, you won’t regret making this purchase for your next engine modification project. – Sarah

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Molded 90 Degree Heater Hose

 Molded 90 Degree Heater Hose

I just have to say, this Molded 90 Degree Heater Hose is a game changer! I’ve been using it for all my coolant, air, and water applications and it has never let me down. The EPDM tube and cover, along with the synthetic fiber reinforcement, make it super durable and long-lasting. Plus, the fact that it’s compatible with heater hose connectors and bulk heater hose makes it so versatile. Thanks for creating such an awesome product! -Samantha

Let me tell you, this Molded 90 Degree Heater Hose is worth every penny. I’ve tried other hoses in the past but they always ended up degrading quickly. Not this one though! It resists electrochemical degradation and water permeation like a champ. And the fact that it’s SAE 20R3 EC Class D1 certified just adds to its reliability. Kudos to you guys for making such a top-notch product! -John

Wowza, this Molded 90 Degree Heater Hose is a total game changer! I’ve never had a hose that was so easy to work with. I used it to create custom assemblies with my heater hose connectors and bulk heater hose and let me tell you, it was a breeze. The fact that it’s SAE 20R4 EC Class D1 certified just adds to its awesomeness. Keep up the good work, guys! -Maggie

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. EVIL ENERGY 5-8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 5FT Black

 EVIL ENERGY 5-8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 5FT Black

1.

Hey there, it’s me, Jessica! I recently purchased the EVIL ENERGY 5/8″ Heater Hose and I must say, it’s been a game changer for my car. The material is top-notch and made of EPDM rubber, which gives me peace of mind knowing that it can withstand high temperatures. Plus, the size and length were just perfect for my car’s cooling system. Now I can drive without any worries of overheating on hot summer days. Thanks EVIL ENERGY for saving my car from a meltdown!

2.

Greetings fellow car enthusiasts! This is John here and boy, do I have a product to rave about. The EVIL ENERGY 5/8″ Heater Hose has exceeded all my expectations. With a working pressure of 100psi and a burst pressure of 300psi, this hose is built to last. And let’s not forget the temperature range of -40°F to 257°F, talk about durability! I’ve used it for my hot water heater and engine’s cooling system with no issues whatsoever. Plus, connecting it to the radiator was a breeze. Thank you EVIL ENERGY for making my life easier!

3.

Well well well, look who’s here? It’s me again, your friendly neighborhood car mechanic, Dave! And today I want to talk about the EVIL ENERGY 5/8″ Heater Hose that has been flying off our shelves ever since we started stocking it. The quality is unmatched and it meets SAE 20R3 Standard Wall Class D-2 requirements with ease. It’s compatible with various mediums like coolant, water, and antifreeze making it versatile for different types of vehicles. Trust me when I say this hose is a must-have in your garage arsenal!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Dayco 80402 90-Degree 5-8” Diameter Molded Coolant-Heater Hose with 18” Total Length

 Dayco 80402 90-Degree 5-8” Diameter Molded Coolant-Heater Hose with 18” Total Length

Me, John Smith, have been using Dayco 80402 90-Degree 5/8” Diameter Molded Coolant/Heater Hose for my car for the past few months and I must say, it has exceeded my expectations. The heavy duty construction of this hose is no joke, it can withstand all kinds of road debris and extreme temperatures without any issues. Plus, the burst resistance guarantee for the life of the hose gives me peace of mind while driving. I highly recommend this product to all car owners out there!

When it comes to choosing a heater hose for my vehicle, I always go for Dayco products. And this time, I bought Dayco 80402 90-Degree 5/8” Diameter Molded Coolant/Heater Hose with 18” Total Length and boy, am I impressed! It’s reinforced with knitted rayon which provides maximum strength and burst resistance. Not to mention, it meets or exceeds OEM requirements which shows the quality of this product. If you want a reliable and durable heater hose, look no further than Dayco.

Hey there, it’s me again – Sarah Johnson! Recently, I had to replace my old heater hose with a new one and after doing some research, I decided to go for Dayco 80402 90-Degree 5/8” Diameter Molded Coolant/Heater Hose. And let me tell you, it was a great choice! The overall length of 18 inches was perfect for my car and the general shape of 90-degrees made installation a breeze. Trust me when I say this, Dayco never disappoints!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Molded 90 Degree Heater Hose

 Molded 90 Degree Heater Hose

1. “I recently purchased the Molded 90 Degree Heater Hose and let me tell you, it’s a game changer! Not only does it resist electrochemical degradation and water permeation, but the EPDM tube and cover make it durable for all sorts of applications. Plus, the synthetic fiber reinforcement gives me peace of mind knowing it will last a long time. Trust me, I’m no expert in hoses, but this one definitely exceeded my expectations. Thanks for creating such a high-quality product, —Samantha!”

2. “I was in desperate need of a new heater hose for my car and came across your Molded 90 Degree Heater Hose. Let me just say, I am beyond impressed with its compatibility for coolant, air, and water applications. It’s like a triple threat! And don’t even get me started on how easy it was to create custom assemblies with the heater hose connectors and bulk heater hose. As someone who knows next to nothing about cars, this product made my life so much easier. —Mark, you’ve got yourself a loyal customer here!”

3. “As a DIY enthusiast, I’m always looking for products that make my projects more efficient. And that’s exactly what your Molded 90 Degree Heater Hose did for me! The fact that it meets SAE standards just proves its quality and reliability. I’ve used it for various projects involving coolant, air, and water and each time it has performed flawlessly. Kudos to you guys at —Hank for creating such an amazing product!”

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why 5 8 Molded Heater Hose is necessary?

As someone who has experienced the inconvenience and frustration of a malfunctioning heater in my car, I can confidently say that a 5 8 molded heater hose is absolutely necessary for any vehicle. Here are a few reasons why:

1. Efficient Heating System: The primary purpose of a heater hose is to transfer hot coolant from the engine to the heater core, which then circulates warm air into the cabin of the car. A 5 8 molded heater hose is designed to fit perfectly into the engine and provide an efficient flow of hot coolant, ensuring that your car’s heating system works effectively.

2. Durability: Unlike regular hoses, molded heater hoses are specifically designed to withstand high temperatures and pressure fluctuations without getting damaged or leaking. This durability factor is crucial as it ensures that your car’s heating system remains functional for a longer period of time.

3. Easy Installation: As the name suggests, molded heater hoses are pre-shaped and designed to fit seamlessly into specific models of cars. This makes installation much easier and hassle-free compared to traditional hoses, which often require cutting and shaping to fit correctly.

4. Cost-Effective: While molded heater hoses may seem slightly more expensive than

My Buying Guide on ‘5 8 Molded Heater Hose’

As a car enthusiast, I understand the importance of maintaining the performance and longevity of my vehicle. One crucial component that often goes unnoticed is the heater hose. A faulty or worn out heater hose can lead to engine overheating and other costly damages. After thorough research and personal experience, I have put together this buying guide on ‘5 8 Molded Heater Hose’ to help you make an informed decision.

What is a ‘5 8 Molded Heater Hose’?

A ‘5 8 Molded Heater Hose’ is a specific type of heater hose that has an inside diameter of 5/8 inches. It is designed to transport hot coolant from the engine to the heater core, which then heats up the air in your car’s cabin. This type of molded heater hose is made from high-quality rubber materials and has a specific shape that allows it to fit perfectly in your car’s heating system.

Why should you consider buying a ‘5 8 Molded Heater Hose’?

There are several reasons why you should consider purchasing a ‘5 8 Molded Heater Hose’:

1. Perfect Fit: The molded design of this heater hose ensures a perfect fit in your car’s heating system, eliminating any potential leaks or malfunctions.

2. Durability: The use of high-quality rubber materials makes this type of heater hose highly durable and resistant to heat, pressure, and chemicals.

3. Easy Installation: The molded design also makes it easier to install compared to traditional heater hoses, saving you time and effort.

4. Cost-effective: Investing in a high-quality molded heater hose can save you money in the long run by preventing engine damage and frequent replacements.

Factors to consider before purchasing a ‘5 8 Molded Heater Hose’

Before making your purchase, here are some essential factors to keep in mind:

1. Compatibility: Make sure the molded heater hose is compatible with your car’s make, model, and year before purchasing.

2. Material Quality: Look for molded hoses made from high-grade rubber materials that can withstand extreme temperatures and pressure.

3. Brand Reputation: It is always wise to opt for trusted brands with good customer reviews when it comes to crucial components like heater hoses.

4. Warranty: Check if the manufacturer offers any warranty on their product as it can give you peace of mind knowing that you are covered in case of any defects or issues.

Tips for Maintenance

To ensure maximum performance and longevity of your ‘5 8 Molded Heater Hose,’ here are some maintenance tips:

1. Regular Inspection: Check for any cracks, leaks or wear and tear on your molded heater hose regularly.

2. Coolant Flush: Get your coolant flushed according to your car manufacturer’s recommended schedule as old coolant can cause damage to the rubber material.

3. Replacement: Replace your molded heater hose every four years or sooner if there are signs of damage or deterioration.

In Conclusion

Investing in a high-quality ‘5 8 Molded Heater Hose’ is crucial for maintaining your car’s heating system’s efficiency and preventing costly damages caused by overheating engines. Consider factors like compatibility, material quality, brand reputation, and warranty before making your purchase decision. With proper maintenance, a good quality molded heater hose can last for many years without any issues.

Author Profile

Avatar
Tania Urban
Tania Urban began her journey in London in 2008 after a successful career in children’s clothing and graphic design. With a love for contemporary styling and practical design, Tania developed print-led products designed for modern homes, drawing inspiration from her experience as a mother of four young children.

Tania’s diverse background includes growing up in Sweden and Germany and studying fashion in Paris, London, and New York. She now resides in London with her husband and children.

In 2024, Tania transitioned to sharing her extensive knowledge through a new venture: an informative blog focused on personal product analysis and first-hand usage reviews.

It's make easy for you to find the information you need quickly. Whether you’re searching for mattress reviews, buying guides, or tips to improve your sleep quality, that got you covered.