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The 81W619420002 Engine Heater is a premium, heavy-duty chassis cold-start component engineered specifically for SINOTRUK Howo trucks, delivering reliable engine pre-heating for easier starting and reduced wear in low-temperature conditions. As a trusted supplier of genuine Sinotruk howo parts, we offer this OEM-grade engine heater as a direct replacement for the original factory unit. The 81W619420002 heater ensures fast warm-up, stable coolant circulation and dependable performance on Howo A7, T7H and related heavy-duty models.
Manufactured from high-strength steel or aluminium with a corrosion-resistant coating, a durable heating element and a sealed electrical connector, the Engine Heater is built to exact OEM dimensions. Its robust construction maintains correct heat output, resists coolant and vibration damage and provides dependable performance even under the constant thermal cycling of commercial truck operation.
OEM 81W619420002 • Engine pre-heating • Corrosion resistant • Sealed connector • Direct OEM fit
The 81W619420002 Engine Heater is a critical cold-start aid on SINOTRUK Howo trucks. It warms the engine coolant before startup, making cold-weather starting easier and reducing wear on the battery, starter and internal engine components. The heater must deliver reliable heat output, resist coolant corrosion and operate safely for many seasons.
This heater is precision-manufactured to exact OEM dimensions. The heating element is rated for the correct voltage and power, the housing is sealed against coolant leaks, and the electrical connector is protected against moisture and vibration. The unit is designed to work with the factory coolant circuit and mounting location.
Common signs that an engine heater needs replacement include slow cold starts, no heat output, coolant leaks around the heater, a tripped circuit breaker or blown fuse, and visible corrosion or damage to the housing. Fitting a new 81W619420002 heater restores reliable cold-start performance.
Whether you are repairing a faulty heater, preparing a truck for winter or carrying out preventive maintenance on a fleet of Howo trucks, the 81W619420002 Engine Heater delivers the quality, heat output and durability that SINOTRUK Howo professionals expect.
The 81W619420002 Engine Heater is designed for SINOTRUK Howo trucks, with primary compatibility across the A7, T7H, HOWO 371 and HOWO 380 series. It is a direct OE replacement, so it fits the factory coolant circuit and mounting location without modification.
This heater is essential in cold-climate applications where engine starting and warm-up directly affect reliability and operating costs, such as long-haul transport in northern regions, construction, mining and municipal service. In these duties, the heater must deliver consistent heat, resist corrosion and operate safely for many seasons.
When replacing the engine heater, it is recommended to inspect the coolant hoses, clamps, thermostat and electrical wiring for wear or damage. The 81W619420002 is designed to work with the factory cooling system components, ensuring proper sealing and reliable operation. It is suitable for both standard and heavy-duty engine configurations.
For fleets with multiple HOWO trucks, standardising on the 81W619420002 simplifies cold-start repair inventory and ensures the correct heater is available for scheduled maintenance or emergency repairs.
Replacing the 81W619420002 Engine Heater is a moderately simple procedure that requires basic mechanical and electrical knowledge. This work should be performed by a qualified technician. Begin by disconnecting the battery and draining the cooling system to a suitable level.
Disconnect the electrical connector from the old heater and remove the mounting hardware. Withdraw the old heater from the coolant circuit, taking care not to damage the surrounding hoses or components. Clean the mounting area and inspect the hoses and clamps for wear.
Install the new 81W619420002 heater in the factory location and secure it with the mounting hardware. Reconnect the electrical connector and refill the cooling system with the correct coolant mixture. Bleed the system to remove air and check for leaks around the heater.
Test the heater by connecting it to a power source and checking for heat output. For ongoing maintenance, inspect the heater and its connections at every major service and replace it if any damage or reduced heat output is found. Keeping the heater in good condition ensures reliable cold starts and long engine life.
The 81W619420002 Engine Heater is manufactured in an ISO 9001-certified facility using advanced machining, assembly and testing processes. Raw materials are sourced from certified suppliers and tested for strength, corrosion resistance and electrical properties before production.
Each heater is precision-built to exact OEM dimensions. The heating element is tested for correct resistance and power output, the housing is pressure-tested for leaks, and the electrical connector is checked for correct pin alignment and sealing. Every unit is function-tested before packaging.
Random samples from each production batch undergo thermal cycling, corrosion testing and vibration testing to validate long-term reliability under real-world conditions. These tests ensure the 81W619420002 continues to deliver reliable heat output throughout its service life.
We back the 81W619420002 with a comprehensive 12-month warranty against material and workmanship defects. Our rigorous quality control ensures that every engine heater delivers the same fit, heat output and durability as the original factory component.
The 81W619420002 Engine Heater is a vital component for maintaining reliable cold-start performance, reducing engine wear and improving driver comfort in low temperatures. A faulty heater causes hard starting, excessive battery drain and increased emissions. Replacing it with this genuine OEM-grade heater restores dependable cold-weather operation.
Manufactured from high-strength materials with a corrosion-resistant housing and a sealed connector, the 81W619420002 offers outstanding heat output, electrical reliability and long-term durability. Its exact OEM fit ensures straightforward installation and reliable operation.
Fleet operators benefit from reduced cold-start downtime, lower maintenance costs and improved vehicle reliability. Owner-operators gain peace of mind knowing their engine is protected by a heater that meets strict OEM standards and is backed by a comprehensive warranty.
Order the 81W619420002 Engine Heater today and keep your SINOTRUK Howo starting reliably in every season.
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