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Dayco 72806 Radiator Coolant Hose - Upper
| Brand | Dayco 72806 |
|---|---|
| Position | Upper |
| Color | Black |
| End 1 Inside Diameter | 1 7/16 |
| End 1 Outside Diameter | 2 |
| End 2 Inside Diameter | 1 7/16 |
| End 2 Outside Diameter | 2 |
| End 3 Inside Diameter | 5/8 |
| End 3 Outside Diameter | 7/8 |
| Hose Type | Branched Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 12 |
| Product line | Curved Radiator Hose |
| Fits | BMW · 4 vehicles |
Branched hose. Built to route coolant through a multi-branch layout.
EPDM construction. Resists heat and coolant exposure for dependable service.
SAE-spec compliant. Meets SAE J20R4 Class D-1 and SAE J1684 Type EC.
Dayco 72806 Curved Radiator Hose Overview
The Dayco 72806 curved radiator hose is a branched radiator coolant hose built from EPDM for cooling-system service. It is black, uses SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, and is listed for the upper hose position on select BMW X5 applications.
Compatible with 2007-2010 BMW X5 upper radiator hose applications, this Dayco hose is shaped for the routing required in the engine bay. The Dayco 72806 part number is also useful when searching for a BMW X5 upper coolant hose replacement by exact fitment.
Key Features
- EPDM construction for radiator coolant hose service
- Branched hose design for the specified cooling-system routing
- Black finish
- End 1 inside diameter: 1 7/16 in.
- End 2 inside diameter: 1 7/16 in.
- End 3 inside diameter: 5/8 in.
- End 1 outside diameter: 2 in.
- End 2 outside diameter: 2 in.
- End 3 outside diameter: 7/8 in.
- SAE J20R4 Class D-1 and SAE J1684 Type EC specification listing
Product Details
Dayco Curved Radiator Hose 72806 is a formed upper coolant hose for 2007-2010 BMW X5 applications. The branched layout supports the factory hose routing, and the EPDM material is specified for cooling-system use. This hose is identified for the upper position and should be matched to the vehicle’s cooling system configuration before installation. For BMW X5 upper radiator hose replacement searches, Dayco 72806 provides a direct part-number reference.
Common Cooling System Issues It Can Address
- Cracked or aged upper radiator hose material
- Coolant seepage at hose connections
- Softening or swelling from heat and coolant exposure
- Restricted fitment from a damaged branched hose
- Loss of proper hose routing in the upper cooling circuit
Installation Notes
Verify the hose routing, end diameters, and upper-position application before installation. BMW made a change on the listed application, and the upper hose must be sold in conjunction with BMW 17.12.7.536.235 reservoir hose. Confirm the cooling system is cool and drained before removing the existing hose, then inspect clamps, necks, and adjoining components for wear or damage.
Quality Assurance
Dayco lists this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC standards for radiator coolant hose service. The Dayco 72806 part number is cataloged for the specified BMW X5 upper hose application.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | BMW | X5 | 3.0L | L6 | Upper | BMW made a change. Upper hose must be sold in conjunction with BMW 17.12.7.536.235 reservoir hose.; Curved Radiator Hose |
| 2009 | BMW | X5 | 3.0L | L6 | Upper | BMW made a change. Upper hose must be sold in conjunction with BMW 17.12.7.536.235 reservoir hose.; Curved Radiator Hose |
| 2008 | BMW | X5 | 3.0L | L6 | Upper | BMW made a change. Upper hose must be sold in conjunction with BMW 17.12.7.536.235 reservoir hose.; Curved Radiator Hose |
| 2007 | BMW | X5 | 3.0L | L6 | Upper | BMW made a change. Upper hose must be sold in conjunction with BMW 17.12.7.536.235 reservoir hose.; Curved Radiator Hose |
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