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Heater Craft H301 Replacement Tube and Fin Heater Core

Manufacturer

Heater Craft

<h3>About Heater Craft</h3><p>Since 1989, <strong>Heater Craft</strong> has been one of North America's most trusted names in specialty heating and comfort systems for outdoor enthusiasts. Born from a simple desire to extend the enjoyment of cold-weather water sports on Lake Coeur d'Alene, Idaho, the company has grown into a multi-brand operation encompassing HeaterCraft, Inner Demon Motorsports, and Cyclone Drying Systems — each focused on keeping adventurers warm and dry no matter the conditions.</p><p>What sets Heater Craft apart is their unwavering commitment to American manufacturing. Every product in their lineup is proudly made in the USA, developed and tested by outdoor enthusiasts who put their gear through real-world conditions in the rugged Pacific Northwest. That hands-on approach to product development translates directly into reliability and performance that customers can count on season after season.</p><h3>Marine Cabin Heaters</h3><p>Heater Craft built their reputation on <strong>marine cabin heaters</strong>, and it remains the cornerstone of their product line. Their hydronic heater kits — including the popular 200 Series (two-vent) and 300 Series (three-vent) systems — tap into a boat's inboard engine coolant to deliver efficient, consistent cabin warmth. The systems meet stringent U.S. Coast Guard ignition-protection standards, making them a safe choice for enclosed spaces on the water. Whether you're aboard a wakeboard boat, cruiser, houseboat, or offshore fishing vessel, Heater Craft's marine heaters are engineered to extend your season and your comfort on the water.</p><h3>UTV & Side-by-Side Heater and Defrost Kits</h3><p>Under the Inner Demon Motorsports banner, Heater Craft produces a comprehensive range of <strong>Side-by-Side and UTV cab heater and defrost kits</strong>. Designed for popular platforms like Polaris RZR and other leading UTVs, these kits provide genuine cabin heat and windshield defrost capability — turning a bone-chilling trail ride into an all-season adventure. The systems are engineered for clean, vehicle-specific fitment, making installation straightforward even for the weekend mechanic.</p><h3>Glass UTV Windshields</h3><p>A proper heater is only half the equation — you also need a windshield that can stand up to the elements. Heater Craft's <strong>glass UTV windshields</strong> are purpose-built to complement their heating and defrost systems, providing real glass clarity and durability for Side-by-Side riders. Unlike many aftermarket plastic alternatives, Heater Craft's glass windshields resist scratching and maintain optical clarity over time, giving riders a cleaner, safer view of the trail ahead.</p><h3>Gear Drying Systems</h3><p>Through their Cyclone Drying Systems line, Heater Craft addresses one of the most overlooked discomforts of outdoor adventure: wet gear. Their <strong>gear drying systems</strong> are designed to rapidly dry wetsuits, boots, gloves, helmets, and other equipment after a day on the water or the trail, helping extend the life of expensive gear and ensuring you're ready to go again the next morning.</p><h3>Golf Cart Heaters</h3><p>Heater Craft also brings their heating expertise to the golf course, offering dedicated <strong>golf cart heater solutions</strong> that keep players comfortable in cool morning rounds or cold-weather play. These compact, purpose-fit units reflect the same quality and engineering philosophy found across their entire product range.</p><h3>Why Choose Heater Craft?</h3><ul style="list-style:disc"><li><strong>Made in the USA</strong> — every product manufactured domestically with high-quality materials</li><li><strong>Founded in 1989</strong> — over three decades of engineering experience in specialty heating</li><li><strong>Purpose-built designs</strong> — engineered for specific vehicles and applications, not generic fits</li><li><strong>Multi-market expertise</strong> — marine, powersports, golf, and outdoor gear all under one roof</li><li><strong>Tested by enthusiasts</strong> — developed in the field by people who actually use the products</li></ul>

Part Number

H301
09/11/2036 2:53 PM
Sale Price

$224.02

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Heater Craft H301 is a replacement tube and fin heater core designed specifically for use with Heater Craft 300H and 400H hydronic heater systems. This genuine replacement component ensures optimal heat transfer and reliable performance in marine and RV heating applications.

Key Features:

  • Tube and fin construction for efficient heat exchange
  • 5/8-inch hose barb connections for secure attachment
  • Direct replacement for 300H and 400H hydronic heater models
  • Durable construction designed for marine and mobile environments
  • Single heater core assembly included

This heater core is an essential component for maintaining your Heater Craft hydronic heating system. The tube and fin design maximizes surface area for effective heat transfer from your engine's coolant system to warm the cabin air. The 5/8-inch barb fittings ensure reliable, leak-free connections to your existing hose system.

Products specifications

Description

3 Vent Heater Core Only

good price and service

Easy to find and order what I need

Quick easy transaction.

Nice got items really fast

none

You guys made it easy and quick thank you

Order was received promptly with no problems.

Very quick and easy!!! Thanks

HAPPY WITH EVERYTHING.

Great site for hard to find auto part at great price

It was very easy to find and buy this item because I have an amazon account. Thanks

Easy

Easy pleasant transaction so far

very good

Ordered EBC brake rotors on Tuesday afternoon and received notification on Thursday morning that they have already been shipped. Fast order processing and a low price, what more could I ask for? When I need to do the front brakes, I will be coming here first.

fast and easy

Fast and easy

Great prices, only wish you provided free shipping like a lot of other locations do!!!!

Customer Care took care of my return and refunded the shipping after there was some order confusion. Thank you for taking care of everything!

At first I did not expect Autoplicity to even carry this part, but in fact they did. Placed the order and I received the part quickly. They were the cheapest for the part after searching nearly everywhere. Will order from them again.<br>Order #8334

your prices on this order where 31.00 lower then the best price I got elsewhere ( with shipping incl ). gotta love it. I'll be back

Great prices! Hopefully the shipping is quick

thanks

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