/live/media/DY/DY_73035_Fro.jpg)
Dayco 73035 Radiator Coolant Hose - Upper or Upper - Radiator To Engine
| Brand | Dayco 73035 |
|---|---|
| Position | Upper and Upper - Radiator To Engine |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 3/16 |
| End 2 Inside Diameter | 1 1/4 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | Y |
| End 1 Outside Diameter | 1 17/32 |
| End 2 Outside Diameter | 1 1/4 |
| Hose Type | Dual i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 19 1/2 |
| Product line | Curved Radiator Hose |
| Fits | Mazda · 4 vehicles |
Curved radiator hose. Dual I.D. design helps simplify coolant routing.
EPDM construction. Built for dependable cooling-system service.
Protective sleeve included. Adds extra abrasion resistance where needed.
Curved Upper Radiator Hose for Mazda 5
Dayco Curved Radiator Hose Part Number 73035 is a black EPDM radiator coolant hose built for upper cooling-system routing on select Mazda 5 models. It fits 2012-2013 Mazda 5, upper, and 2014-2015 Mazda 5, upper - radiator to engine, with a curved profile that follows the factory hose path.
Key Features
- EPDM construction for coolant-system durability
- Black finish for a clean OE-style appearance
- Dual I.D. hose design with 1 3/16 in. end 1 inside diameter and 1 1/4 in. end 2 inside diameter
- Protective sleeve included for added abrasion resistance
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Dayco Curved Radiator Hose line for shaped upper hose routing
Product Details
Dayco Part Number 73035 is a curved radiator coolant hose made from EPDM, a material commonly used in cooling-system service for its resistance to heat and coolant exposure. The dual I.D. design supports the different connection sizes found in the upper hose path, while the protective sleeve adds an extra layer where the hose may contact nearby components. This hose is specified for Mazda 5 applications and is a direct fit for 2012-2013 Mazda 5 upper hose positions and 2014-2015 Mazda 5 upper radiator-to-engine routing.
The Dayco Curved Radiator Hose product line focuses on formed hose shapes that match factory routing more closely than universal hose stock. For Mazda 5 owners searching for a 2012-2015 Mazda 5 upper radiator hose, Mazda 5 coolant hose replacement, or Dayco 73035 radiator hose, this part provides the correct curved configuration and size profile for the listed applications.
Common Cooling System Issues It Can Address
- Cracked or split upper radiator hose material
- Coolant seepage at hose connection points
- Softening, swelling, or collapse of an aging coolant hose
- Improper hose routing from a previous replacement
- Wear from hose contact with nearby engine components
Installation Notes and Tips
Verify the hose routing, end diameters, and position before installation. Match the hose to the upper radiator-to-engine path on 2014-2015 Mazda 5 models or the upper hose position on 2012-2013 Mazda 5 models. Inspect clamps, necks, and adjacent cooling-system components for wear or corrosion before installing Dayco 73035. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.
Quality Assurance
This hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC standards for radiator hose applications. Dayco Part Number 73035 is built for the listed Mazda 5 fitments and follows the dimensional and material requirements shown in the product data.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Mazda | 5 | Upper - Radiator To Engine | Curved Radiator Hose |
| 2014 | Mazda | 5 | Upper - Radiator To Engine | Curved Radiator Hose |
| 2013 | Mazda | 5 | Upper | Curved Radiator Hose |
| 2012 | Mazda | 5 | Upper | Curved Radiator Hose |
| No rows match your filter. | ||||