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Dayco 88369 HVAC Heater Hose
Overview of Dayco Small I.D. Heater Hose 88369
The Dayco Small I.D. Heater Hose 88369 is designed for reliable HVAC system performance in select Cadillac, Ford, and Mercury vehicles. Engineered with durable EPDM material and a protective sleeve, this hose supports efficient heater core operation in models like the Cadillac Allante and Ford Escort.
- Constructed from EPDM for heat and chemical resistance
- Black color with 3/4 inch inside diameter on both ends
- Includes a protective sleeve for added durability
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Single inside diameter hose with 11 1/2 inch trunk height
Detailed Product Description
The Dayco Small I.D. Heater Hose 88369 is a single inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids. Both ends of the hose have a 3/4 inch inside diameter, ensuring a consistent fit for HVAC heater core connections. The hose is black and includes a protective sleeve to guard against abrasion and premature wear, although it does not contain a heat shield. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling systems.
The Small I.D. Heater Hose product line from Dayco focuses on providing precise fitment and durability for smaller diameter heater hoses used in HVAC systems. This line is engineered to meet OEM specifications, offering a reliable replacement option for vehicles requiring compact heater hoses with protective features.
Compatible Vehicles and Applications
This heater hose is compatible with various Cadillac, Ford, and Mercury models, including the Cadillac Allante and Ford Escort, as well as Mercury Lynx, Tempo, Topaz, and the Ford LN7. It is designed to maintain proper coolant flow to the heater core, ensuring effective cabin heating performance.
- Replaces worn or cracked heater hoses in HVAC systems
- Prevents coolant leaks that can cause engine overheating
- Restores proper heater core function for consistent cabin heat
- Protects against hose abrasion and premature failure
- Ensures compliance with SAE standards for safety and durability
Installation Notes and Tips
When installing the Dayco Small I.D. Heater Hose 88369, 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 heater core and fitting sizes. Use appropriate clamps to secure the hose ends and check for leaks after installation. The protective sleeve should be positioned to minimize abrasion from contact with other engine components.
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 88369 to meet strict SAE specifications, ensuring consistent quality and performance. The EPDM material and protective sleeve contribute to the hose’s durability under typical automotive operating conditions. Warranty details are provided by Dayco and may vary; customers should consult the manufacturer for specific coverage information.
| Brand | Dayco |
|---|---|
| Part Number | 88369 |
| Position | Small I.D. Heater Hose, Heater To Tee-2 |
| Color | Black |
| Contains Protective Sleeve | Y |
| 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 | 11 1/2 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1992 | Cadillac | Allante | Heater To Tee-2 | Small I.D. Heater Hose | ||
| 1991 | Cadillac | Allante | Heater To Tee-2 | Small I.D. Heater Hose | ||
| 1990 | Cadillac | Allante | Heater To Tee-2 | Small I.D. Heater Hose | ||
| 1990 | Ford | Escort | Heater To Pipe | w/o A.C., w/o H.D. Heat; Small I.D. Heater Hose | ||
| 1989 | Cadillac | Allante | Heater To Tee-2 | Small I.D. Heater Hose | ||
| 1988 | Cadillac | Allante | Heater To Tee-2 | Small I.D. Heater Hose | ||
| 1987 | Cadillac | Allante | Heater To Tee-2 | Small I.D. Heater Hose | ||
| 1987 | Mercury | Lynx | 1.9L | L4 | Heater To Pipe-1 | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1986 | Ford | Escort | 1.9L | L4 | Heater To Pipe-1 | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1986 | Mercury | Lynx | 1.9L | L4 | Heater To Pipe-1 | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1985 | Ford | Escort | 2.0L | L4 | Heater To Pipe | w/o A.C., Early; Small I.D. Heater Hose |
| 1985 | Ford | Escort | 1.6L | L4 | Heater To Pipe-2 | Small I.D. Heater Hose |
| 1985 | Ford | Escort | 1.9L | L4 | Heater To Engine | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1985 | Ford | Tempo | 2.0L | L4 | Heater To Pipe | w/o A.C., Early; Small I.D. Heater Hose |
| 1985 | Mercury | Lynx | 2.0L | L4 | Heater To Pipe | w/o A.C., Early; Small I.D. Heater Hose |
| 1985 | Mercury | Lynx | 1.6L | L4 | Heater To Pipe-2 | Small I.D. Heater Hose |
| 1985 | Mercury | Lynx | 1.9L | L4 | Heater To Engine | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1985 | Mercury | Topaz | 2.0L | L4 | Heater To Pipe | w/o A.C., Early; Small I.D. Heater Hose |
| 1984 | Ford | Escort | 2.0L | L4 | Heater To Pipe | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1984 | Ford | Escort | 1.6L | L4 | Heater To Pipe-1 | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1984 | Ford | Tempo | 2.0L | L4 | Heater To Pipe | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1984 | Mercury | Lynx | 2.0L | L4 | Heater To Pipe | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1984 | Mercury | Lynx | 1.6L | L4 | Heater To Pipe-1 | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1984 | Mercury | Topaz | 2.0L | L4 | Heater To Pipe | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 1983 | Ford | Escort | Heater To Pipe-2 | Fits vehicles without air conditioning.; Small I.D. Heater Hose | ||
| 1983 | Mercury | LN7 | Heater To Pipe-2 | Fits vehicles without air conditioning.; Small I.D. Heater Hose | ||
| 1983 | Mercury | Lynx | Heater To Pipe-2 | Fits vehicles without air conditioning.; 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.