The Perkins 145226320 thermostat housing is a high-quality cooling system replacement part for the 404D-22 series diesel engines. Made of corrosion-resistant aluminum alloy with excellent heat dissipation, it maintains the optimal engine operating temperature under various operating conditions, effectively extending engine life and improving overall performance.
Product Features
- High-quality material: Made of corrosion-resistant aluminum alloy with excellent heat dissipation.
- Precision design: Compatible with Perkins 404D-22 series engines for easy installation.
- Improves performance: Maintains optimal engine operating temperature for improved efficiency.
- Extends life: Prevents engine damage caused by overheating.
- Easy installation: Standard connectors allow for direct replacement of damaged parts.
- Widely used in: Construction machinery, generator sets, and diesel-powered equipment





Frequently Asked Questions
What products do you specialize in?
We specialize in excavator engine spare parts including cylinder blocks, cylinder heads, crankshafts, complete engine assemblies, pistons, liners, rings, camshafts, connecting rods, oil pumps, water pumps, valves, and all related engine components.
What if I only know the excavator model but not the part numbers?
You can send us photos of your existing parts, nameplate information, or dimensional specifications for reference and identification.
Do you accept sample orders?
Yes, we can supply samples of parts we have in stock. Customers are responsible for sample costs and shipping fees.
Do you test products before shipment?
All products undergo 100% quality testing before delivery to ensure performance and reliability.
What is your policy for defective items?
Our products are thoroughly tested, but if any issues arise, our professional after-sales team will promptly address and resolve them.