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Dayco 88418 HVAC Heater Hose - Heater Outlet
Overview of Dayco Small I.D. Heater Hose 88418
The Dayco Small I.D. Heater Hose 88418 is designed for reliable HVAC system performance in Ford Excursion, F-250 Super Duty, and F-350 Super Duty models. This hose ensures proper coolant flow within the heating system, maintaining cabin comfort and engine efficiency.
- Constructed from durable EPDM material for heat and chemical resistance
- Black color for standard OEM appearance
- 3/4 inch inside diameter on both ends for consistent fitment
- Single inside diameter hose type for straightforward installation
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 12 inches suitable for specified Ford models
Details on the Small I.D. Heater Hose Product Line
The Small I.D. Heater Hose line by Dayco focuses on providing hoses with precise inside diameters to ensure compatibility with specific HVAC systems. This product line emphasizes material quality and adherence to SAE standards, offering dependable performance for heating applications in heavy-duty vehicles like the Ford F-250 and F-350 Super Duty series.
Product Description and Specifications
The Dayco 88418 heater hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have a 3/4 inch inside diameter, making it a single I.D. hose designed to fit securely within the HVAC system of Ford Excursion and Super Duty trucks. The hose does not include a heat shield or protective sleeve, which is typical for this type of HVAC hose. Compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards ensures the hose meets industry requirements for durability and performance.
Common Applications and Problem Solving
- Replacement of worn or cracked heater hoses in Ford Excursion and Super Duty HVAC systems
- Resolving coolant leaks that affect heating efficiency
- Preventing overheating issues caused by restricted coolant flow
- Maintaining proper cabin heating during cold weather operation
- Ensuring HVAC system integrity after engine or cooling system repairs
Installation Notes and Tips
When installing the Dayco Small I.D. Heater Hose 88418, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the 3/4 inch inside diameter matches the vehicle’s fittings for a secure connection. It is recommended to inspect clamps and replace them if corroded or damaged to prevent leaks. Allow the engine to cool before removal and installation to avoid injury and hose damage.
Quality Assurance and Warranty
Dayco manufactures the 88418 heater hose to meet strict SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive HVAC applications.
| Brand | Dayco |
| Part Number | 88418 |
| Position | Small I.D. Heater Hose, Heater Outlet |
| Color | Black |
| End 1 Inside Diameter | 3/4 |
| End 2 Inside Diameter | 3/4 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R3 Class D-1, SAE J1684 Type EC |
| Trunk Height | 12 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Ford | Excursion | 6.8L | V10 | Heater Outlet | w/Aux. Heater; Small I.D. Heater Hose |
| 2003 | Ford | F-250 Super Duty | 6.8L | V10 | Heater Outlet | Small I.D. Heater Hose |
| 2003 | Ford | F-350 Super Duty | 6.8L | V10 | Heater Outlet | Small I.D. Heater Hose |
| 2002 | Ford | Excursion | 6.8L | V10 | Heater Outlet | w/Aux. Heater; Small I.D. Heater Hose |
| 2001 | Ford | Excursion | 6.8L | V10 | Heater Outlet | w/Aux. Heater; Small I.D. Heater Hose |
| 2000 | Ford | Excursion | 6.8L | V10 | Heater Outlet | w/Aux. Heater; Small I.D. Heater Hose |
| 1999 | Ford | F-250 Super Duty | 6.8L | V10 | Heater Outlet | Small I.D. Heater Hose |
| 1999 | Ford | F-350 Super Duty | 6.8L | V10 | Heater Outlet | Small I.D. Heater Hose |
* 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.