--- product_id: 89020997 title: "Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1\" NPT Thread | 120 Volts | 1500 Watts" price: "731.41 DT" currency: TND in_stock: true reviews_count: 8 url: https://www.desertcart.tn/products/89020997-zerostart-8605556-heavy-duty-engine-block-immersion-heater-for-caterpillar store_origin: TN region: Tunisia --- # 1500 Watts power 1" NPT heavy-duty thread Optimized for winter engine starts Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts **Price:** 731.41 DT **Availability:** ✅ In Stock ## Summary > ❄️ Warm Up Your Engine, Cool Down Your Worries! ## Quick Answers - **What is this?** Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts - **How much does it cost?** 731.41 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/89020997-zerostart-8605556-heavy-duty-engine-block-immersion-heater-for-caterpillar) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **CSA Approved Safety:** Certified for reliable, safe operation under harsh winter conditions. - • **Powerful 1500W Heating:** Delivers rapid engine block warming to beat the cold and reduce wear. - • **Precision 1" NPT Thread:** Ensures a secure, leak-proof fit tailored for heavy-duty engines. - • **Compact & Durable Design:** Machined exterior and lightweight 1.28 lbs for easy installation and long-lasting performance. - • **Engineered for Top Brands:** Compatible with Caterpillar, Detroit Diesel, International/Navistar, and Perkins engines for seamless integration. ## Overview The Zerostart 8605556 Heavy Duty Engine Block Immersion Heater is a 1500W, 120V powerhouse designed to provide direct heat to engine blocks and coolant. Featuring a robust 1" NPT thread, it fits major heavy-duty engines like Caterpillar and Detroit Diesel, ensuring quick winter starts and reduced engine wear. CSA approved and built with a machined exterior, this heater combines safety, durability, and precision fit for professional-grade performance. ## Description Zero start engine block heaters provide direct heat to the engine coolant or block. Phillips and Temro Industries (PTI) is a global OEM and aftermarket provider of custom engineered thermal systems and solutions. Review: Thank you - Great product at a good price and it works. Review: Exact fit Caterpillar MBN C-15 - Works great ## Features - Ensure quick winter starts and reduce engine wear - CSA Approved - For Caterpillar, Detroit Diesel, International/Navistar, and Perkins engines. See Zero start catalog for specifics - 120 Volts/1500 Watts - Thread Size: 1in NPT - Fit type: Vehicle Specific ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Zerostart | | Brand | Zerostart | | Model | Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines | | Item Weight | 1.28 pounds | | Product Dimensions | 7.4 x 6.14 x 3.7 inches | | Item model number | 8605556 | | Is Discontinued By Manufacturer | No | | Exterior | Machined | | Manufacturer Part Number | 8605556 | ## Images ![Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts - Image 1](https://m.media-amazon.com/images/I/71aio51yllL.jpg) ![Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts - Image 2](https://m.media-amazon.com/images/I/61qB-FDy7eL.jpg) ![Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts - Image 3](https://m.media-amazon.com/images/I/61Pf-Qo3XPL.jpg) ![Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts - Image 4](https://m.media-amazon.com/images/I/51JYAh+pJ6L.jpg) ![Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts - Image 5](https://m.media-amazon.com/images/I/71g6Z20t6cL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Thank you *by P***N on October 26, 2025* Great product at a good price and it works. ### ⭐⭐⭐⭐⭐ Exact fit Caterpillar MBN C-15 *by A***B on December 22, 2024* Works great ### ⭐⭐⭐⭐⭐ Made in USA *by V***C on February 2, 2023* This is a solid made in America product. It did not fit my DD15. For that engine you need Zero Start 3500095. Seller took care of the issue. ## Frequently Bought Together - Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts - Zerostart 3600008 Replacement Cordset for Heavy Duty Immersion Heaters and Engine Block Heaters, 6-feet | 120 Volts --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/89020997-zerostart-8605556-heavy-duty-engine-block-immersion-heater-for-caterpillar](https://www.desertcart.tn/products/89020997-zerostart-8605556-heavy-duty-engine-block-immersion-heater-for-caterpillar) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-13*