Premium Cummins Engine ISF2.8 ISF3.8 Thermostat Housing - Part Number 5293669 / 5293669F
Looking for a reliable and durable thermostat housing for your Cummins ISF series engine? Guangzhou Pinxin Engine Co., Ltd. is proud to offer the high-quality Cummins Engine ISF2.8 ISF3.8 Thermostat Housing, part numbers 5293669 and 5293669F. As a leading supplier of diesel engine parts, including cylinder liners, pistons, engine blocks, crankshafts, injectors, and diesel pumps, we ensure that every component meets stringent quality standards.

Product Usage and Applications
The thermostat housing plays a crucial role in regulating the engine's operating temperature. It houses the thermostat, which controls the flow of coolant to the radiator, ensuring the engine reaches and maintains its optimal temperature for efficient performance and reduced wear. This specific thermostat housing is designed for use with Cummins ISF2.8 and Cummins ISF3.8 diesel engines.
Cummins ISF series engines are widely used in various light-duty and medium-duty applications, including:
Light Commercial Vehicles: Such as vans and pickup trucks used for urban logistics and transportation. Example: Foton Tunland pickup truck equipped with a Cummins ISF2.8 engine.
Small Buses: Used for passenger transport in city and suburban areas. Example: King Long XMQ6702AY bus powered by a Cummins ISF3.8 engine.
Construction Equipment: Including compact excavators and loaders for small-scale construction and landscaping projects. Example: Sany SY75C compact excavator utilizing a Cummins ISF2.8 engine.
Agricultural Machinery: Such as tractors and sprayers used in farming operations. Example: Lovol TB504 tractor fitted with a Cummins ISF3.8 engine.
Generator Sets: Providing reliable power for various industrial and commercial applications. Example: Cummins C25 D5 generator set featuring an ISF2.8 engine.
At Guangzhou Pinxin Engine Co., Ltd., we understand the importance of reliable engine components. Our Cummins thermostat housings are manufactured to meet or exceed OEM specifications, ensuring a perfect fit and long-lasting performance for your ISF2.8 and ISF3.8 engines.
Frequently Asked Questions
Q1: What are the symptoms of a faulty thermostat housing?
A: Common symptoms include engine overheating, coolant leaks around the housing, and the engine taking longer than usual to reach operating temperature.
Q2: How often should the thermostat be replaced?
A: It's generally recommended to replace the thermostat every 2-3 years or as part of major cooling system maintenance. Inspecting the thermostat housing for any signs of damage or corrosion during this time is also advisable.
Q3: Can I drive my vehicle if the thermostat is stuck closed?
A: Driving with a stuck closed thermostat can lead to severe engine overheating and damage. It's crucial to address this issue immediately.
Troubleshooting, Repair, and Maintenance Tips
Troubleshooting:
If you suspect a problem with your thermostat housing, check for coolant leaks, corrosion, or physical damage. Monitor your engine temperature gauge for any signs of overheating or prolonged warm-up times.
Repair Suggestions:
If the thermostat housing is cracked or leaking, it should be replaced immediately. When replacing the housing, it's also a good practice to replace the thermostat and coolant to ensure optimal cooling system performance.
Maintenance Tips:
Regularly check the coolant level and condition.
Inspect the thermostat housing and surrounding hoses for any signs of leaks or damage.
Follow the manufacturer's recommended coolant change intervals.
Ensure the cooling system is properly flushed and filled with the correct type of coolant.
Diesel Engine Part Glossary (English, Chinese, Russian)
Cylinder Liner (气缸套 - Qìgāng tào, Гильза цилиндра - Gil'za tsilindra) - Installed inside the engine block. Example: Caterpillar CAT 3406E Cylinder Liner
Piston (活塞 - Huósài, Поршень - Porshen') - Moves up and down inside the cylinder liner. Example: Cummins N14 Piston
Crankshaft (曲轴 - Qūzhóu, Коленчатый вал - Kolenchatyy val) - Converts reciprocating motion into rotational motion. Example: Perkins 1104C Crankshaft
Injector (喷油器 - Pēnyóuqì, Форсунка - Forsunka) - Sprays fuel into the combustion chamber. Example: Bosch Common Rail Injector
Diesel Pump (柴油泵 - Cháiyóu bèng, Дизельный насос - Dizel'nyy nasos) - Supplies fuel to the injectors. Example: Delphi Fuel Injection Pump
Engine Block (发动机机体 - Fādòngjī jītǐ, Блок двигателя - Blok dvigatelya) - The main structural component of the engine. Example: Deutz F3L912 Engine Block
Connecting Rod (连杆 - Liángān, Шатун - Shatun) - Connects the piston to the crankshaft. Example: John Deere 6068 Connecting Rod
Camshaft (凸轮轴 - Tūlúnzhóu, Распределительный вал - Raspredelitel'nyy val) - Operates the engine valves. Example: Detroit Diesel Series 60 Camshaft
Oil Filter (机油滤清器 - Jīyóu lǜqīngqì, Масляный фильтр - Maslyanyy fil'tr) - Removes contaminants from the engine oil. Example: Fleetguard LF9009 Oil Filter
Air Filter (空气滤清器 - Kōngqì lǜqīngqì, Воздушный фильтр - Vozdushnyy fil'tr) - Cleans the air entering the engine. Example: Baldwin RS5276 Air Filter