OE Quality
60-Day Returns

Four Seasons 85199 Engine Coolant Water Inlet
Overview of Four Seasons Water Inlet for Nissan Altima
The Four Seasons Water Inlet 85199 is engineered for reliable engine coolant flow in Nissan Altima models. Constructed from durable aluminum, this engine coolant water inlet ensures consistent performance without including a thermostat or gasket.
- Material: Aluminum for corrosion resistance and durability
- Maximum Height: 2.29 inches
- Inlet Diameter: 1.37 inches
- Bolt Hole Center to Center: 2.125 and 2.43 inches
- Mount Flange Width: 0.4 inches
- Thermostat and gasket not included
- Meets or exceeds OEM specifications
- Compatible with Nissan Altima models
Detailed Description of Part Number 85199
This Four Seasons Water Inlet 85199 is a precision-engineered engine coolant water inlet designed specifically for Nissan Altima vehicles. Made from aluminum, it offers excellent resistance to corrosion and heat, which is critical for maintaining proper coolant flow and engine temperature regulation. The part features two bolt hole center measurements (2.125 and 2.43 inches) to ensure a secure fit and proper alignment during installation. With a maximum height of 2.29 inches and an inlet diameter of 1.37 inches, this water inlet is designed to integrate seamlessly with the vehicle's cooling system. It does not include a thermostat or gasket, so these components must be sourced separately if needed.
About the Four Seasons Water Inlet Product Line
The Four Seasons Water Inlet product line focuses on engine coolant components that provide reliable coolant flow and temperature control. This line is designed to meet or exceed OEM standards, ensuring compatibility and durability for specific vehicle applications. The 85199 water inlet is part of this line, offering a robust aluminum construction and precise fitment for Nissan Altima models without including a thermostat, catering to repair or replacement needs where the thermostat is serviced separately.
Common Applications and Issues Addressed
- Replacement of damaged or corroded water inlet housing
- Resolving coolant leaks around the inlet flange
- Restoring proper coolant flow to prevent engine overheating
- Addressing fitment issues with aftermarket or worn components
- Maintaining OEM-level performance in the cooling system
Installation Notes and Tips
When installing the Four Seasons Water Inlet 85199, ensure the mounting surface is clean and free of old gasket material since the gasket is not included. Verify bolt hole alignment using the specified center-to-center measurements (2.125 and 2.43 inches) for proper fitment. Use appropriate torque specifications for the Nissan Altima to avoid warping or damage. If replacing the thermostat, source the correct thermostat separately as this part does not include one.
Quality Assurance and Warranty
This Four Seasons Water Inlet meets or exceeds OEM specifications for fit, form, and function, providing reliable service life in Nissan Altima cooling systems. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Refer to Four Seasons documentation for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 85199 |
| Position | Water Inlet |
| Bolt Hole Center To Bolt Hole Center | 2.125 |
| Bolt Hole Center To Bolt Hole Center | 2.43 |
| Description | Engine Coolant Components |
| Gasket Or Seal Included | Not Included |
| Inlet Dia. IN | 1.37 |
| Material | Aluminum |
| Maximum Height | 2.29 |
| Meets / Exceeds OEM? | Yes |
| Mnt Flange Width IN | 0.4 |
| Style | w/o Thermostat |
| Thermostat Included? | Not Included |
| Type | Inlet |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2000 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1999 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1998 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1997 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1996 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1995 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1994 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1993 | Nissan | Altima | N/A | Water Inlet for Engine Coolant; Water Inlet |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.