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Dayco 86123 HVAC Heater Hose
Overview of Dayco Small I.D. Heater Hose 86123
The Dayco Small I.D. Heater Hose 86123 is designed to provide reliable performance in HVAC systems for a range of vehicles including Buick, Chevrolet, Honda, Pontiac, and Toyota models. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow within your vehicle's heating system.
- Constructed from high-quality EPDM for heat and chemical resistance
- Black color for standard OEM appearance
- 5/8 inch inside diameter on both ends for uniform fit
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Single inside diameter hose type for straightforward installation
- Trunk height of 16 inches suitable for various HVAC routing needs
Detailed Product Description
The Dayco Small I.D. Heater Hose 86123 is part of the Small I.D. Heater Hose product line, which focuses on delivering precise fit and durability for automotive heating systems. This hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for long-term use in HVAC applications. Both ends of the hose have a 5/8 inch inside diameter, ensuring compatibility with OEM fittings and consistent fluid flow. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heater hose applications. Its black color matches typical OEM specifications, maintaining the original equipment look under the hood.
Compatible Vehicles and Applications
This heater hose is compatible with a variety of popular vehicle makes and models, including Buick Century, Chevrolet Impala, Lumina, Monte Carlo, Honda Accord, CR-V, Pontiac Grand Prix, G20, G30, and Toyota Camry and Venza. It is designed to replace worn or damaged heater hoses in these vehicles, ensuring proper heating system function and preventing coolant leaks.
- Replaces cracked or leaking heater hoses
- Prevents coolant loss and overheating issues
- Restores proper heater core fluid flow
- Eliminates hose swelling or softening due to age
- Maintains HVAC system efficiency and cabin comfort
Installation Notes and Tips
When installing the Dayco Small I.D. Heater Hose 86123, ensure the engine is cool to avoid burns from hot coolant. Verify that the 5/8 inch inside diameter matches your vehicle’s heater hose fittings. Use proper clamps to secure the hose ends and check for leaks after installation. Avoid twisting or kinking the hose during installation to maintain optimal flow and longevity.
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 86123 to meet stringent SAE specifications, ensuring reliable performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and durability. For best results, use this hose as a direct replacement part in compatible Buick, Chevrolet, Honda, Pontiac, and Toyota vehicles.
| Brand | Dayco |
|---|---|
| Part Number | 86123 |
| Position | Small I.D. Heater Hose, Heater To Connector |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R3 Class D-1, SAE J1684 Type EC |
| Trunk Height | 16 |
This part fits 51 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2017 | Toyota | Camry | 2.5L | L4 | GAS | Heater To Connector | Top Hose; Small I.D. Heater Hose | |
| 2016 | Toyota | Camry | 2.5L | L4 | GAS | Heater To Connector | Top Hose; Small I.D. Heater Hose | |
| 2015 | Toyota | Camry | 2.5L | L4 | GAS | Heater To Connector | Top Hose; Small I.D. Heater Hose | |
| 2015 | Toyota | Venza | 3.5L | V6 | Heater Outlet | Small I.D. Heater Hose | ||
| 2014 | Honda | CR-V | Heater Inlet | Small I.D. Heater Hose | ||||
| 2014 | Toyota | Camry | 2.5L | L4 | GAS | Heater To Connector | Top Hose; Small I.D. Heater Hose | |
| 2014 | Toyota | Venza | 3.5L | V6 | Heater Outlet | Small I.D. Heater Hose | ||
| 2013 | Honda | CR-V | Heater Inlet | Small I.D. Heater Hose | ||||
| 2013 | Toyota | Camry | 2.5L | L4 | GAS | Heater To Connector | Top Hose; Small I.D. Heater Hose | |
| 2013 | Toyota | Venza | 3.5L | V6 | Heater Outlet | Small I.D. Heater Hose | ||
| 2012 | Honda | CR-V | Heater Inlet | Small I.D. Heater Hose | ||||
| 2012 | Toyota | Camry | 2.5L | L4 | GAS | Heater To Connector | Top Hose; Small I.D. Heater Hose | |
| 2012 | Toyota | Venza | 3.5L | V6 | Heater Outlet | Small I.D. Heater Hose | ||
| 2011 | Toyota | Venza | 3.5L | V6 | Heater Outlet | Small I.D. Heater Hose | ||
| 2010 | Toyota | Venza | 3.5L | V6 | Heater Outlet | Small I.D. Heater Hose | ||
| 2009 | Toyota | Venza | 3.5L | V6 | Heater Outlet | Small I.D. Heater Hose | ||
| 2005 | Buick | Century | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||||
| 2004 | Buick | Century | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||||
| 2003 | Buick | Century | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||||
| 2003 | Chevrolet | Impala | 3.4L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2003 | Chevrolet | Monte Carlo | 3.4L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2003 | Pontiac | Grand Prix | 3.1L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2002 | Buick | Century | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||||
| 2002 | Chevrolet | Impala | 3.4L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2002 | Chevrolet | Monte Carlo | 3.4L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2002 | Pontiac | Grand Prix | 3.1L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2001 | Buick | Century | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||||
| 2001 | Chevrolet | Impala | 3.4L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2001 | Chevrolet | Lumina | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||||
| 2001 | Chevrolet | Monte Carlo | 3.4L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2001 | Pontiac | Grand Prix | 3.1L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2000 | Buick | Century | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||||
| 2000 | Chevrolet | Impala | 3.8L | V6 | Heater Outlet | Top Hose; Small I.D. Heater Hose | ||
| 2000 | Chevrolet | Impala | 3.4L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2000 | Chevrolet | Lumina | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||||
| 2000 | Chevrolet | Monte Carlo | 3.4L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 2000 | Pontiac | Grand Prix | 3.1L | V6 | Heater To Pipe (Upper) | Small I.D. Heater Hose | ||
| 1997 | Honda | Accord | 2.2L | L4 | Heater Outlet | Small I.D. Heater Hose | ||
| 1996 | Honda | Accord | 2.2L | L4 | Heater Outlet | Small I.D. Heater Hose | ||
| 1995 | Honda | Accord | 2.2L | L4 | Heater Outlet | Small I.D. Heater Hose | ||
| 1994 | Honda | Accord | Heater Outlet | Small I.D. Heater Hose | ||||
| 1993 | Chevrolet | G20 | 6.2L | V8 | Heater To Valve | w/A.C., w/o Aux. Heater; Small I.D. Heater Hose | ||
| 1993 | Chevrolet | G30 | 6.2L | V8 | Heater To Valve | w/A.C., w/o Aux. Heater; Small I.D. Heater Hose | ||
| 1993 | GMC | G2500 | 6.2L | V8 | Heater To Valve | w/A.C., w/o Aux. Heater; Small I.D. Heater Hose | ||
| 1993 | GMC | G3500 | 6.2L | V8 | Heater To Valve | w/A.C., w/o Aux. Heater; Small I.D. Heater Hose | ||
| 1993 | Honda | Accord | Heater To Pipe | Small I.D. Heater Hose | ||||
| 1993 | Honda | Accord | EX | Heater Outlet | Small I.D. Heater Hose | |||
| 1993 | Honda | Accord | SE | Heater Outlet | Small I.D. Heater Hose | |||
| 1992 | Honda | Accord | Heater To Pipe | Small I.D. Heater Hose | ||||
| 1991 | Honda | Accord | Heater To Pipe | Small I.D. Heater Hose | ||||
| 1990 | Honda | Accord | Heater To Pipe | 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.