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Dayco 72529 Radiator Coolant Hose - Upper
| Brand | Dayco 72529 |
|---|---|
| Position | Upper |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 5/16 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| End 1 Outside Diameter | 1 23/32 |
| End 2 Outside Diameter | 1 23/32 |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 16 |
| Product line | Curved Radiator Hose |
| Fits | Lexus and Toyota · 21 vehicles |
Curved radiator hose. Engineered for a precise coolant routing fit.
EPDM construction. Resists heat and coolant exposure for dependable service.
SAE-rated hose. Meets J20R4 Class D-1 and J1684 Type EC standards.
Cross-references ACDelco 24705L, CARQUEST 23726 and Duralast E72529 for the same application. See all 8.
Curved Upper Radiator Hose for Toyota and Lexus
Dayco 72529 is a curved radiator coolant hose built for upper cooling-system routing on select Toyota and Lexus applications. Made from EPDM and finished in black, it is shaped to match the factory hose path for a direct replacement on the listed vehicles.
Key Features
- EPDM construction for coolant-system service
- Curved radiator hose design for upper hose routing
- Single I.D. hose with 1 5/16 in. inside diameter at both ends
- Black exterior for a factory-style appearance
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Dayco 72529 cross-references ACDelco 24705L and Gates 23726 for the same application
Product Details
This Dayco Curved Radiator Hose is engineered as an upper radiator coolant hose for vehicles that use a formed hose shape to connect the engine cooling circuit. The EPDM rubber construction is suited for coolant exposure, while the matched end diameters and curved profile help it follow the original routing used on the vehicle. Dayco 72529 is listed for 2014-2016 Toyota Highlander, 2011-2016 Toyota Sienna, 2010-2015 Lexus RX350, and 2010-2015 Lexus RX450h.
Compatible With 2014-2016 Toyota Highlander, upper; 2011-2016 Toyota Sienna, upper; 2010-2015 Lexus RX350, upper; and 2010-2015 Lexus RX450h, upper. This part number, 72529, is also referenced by several aftermarket and OE cross numbers for the same cooling-system application.
Common Cooling Issues This Hose Can Address
- Cracked or split upper radiator hose material
- Coolant seepage at the hose connection points
- Softening, swelling, or heat-related hose deterioration
- Loss of proper hose shape after age and mileage
- Cooling-system service on a worn factory-style upper hose
Installation Notes
Inspect the mating necks, clamps, and surrounding cooling components before installation. Confirm the hose routing matches the original upper hose path and verify both ends seat fully on the 1 5/16 in. connections. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.
Quality Assurance
Dayco 72529 is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC requirements for radiator hose applications. The hose is built for the listed Toyota and Lexus fitments, including Toyota Highlander, Toyota Sienna, Lexus RX350, and Lexus RX450h.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Toyota | Highlander | 3.5L | V6 | Upper | Curved Radiator Hose |
| 2016 | Toyota | Sienna | — | — | Upper | Curved Radiator Hose |
| 2015 | Lexus | RX350 | — | — | Upper | Curved Radiator Hose |
| 2015 | Lexus | RX450h | — | — | Upper | Curved Radiator Hose |
| 2015 | Toyota | Highlander | 3.5L | V6 | Upper | Curved Radiator Hose |
| 2015 | Toyota | Sienna | — | — | Upper | Curved Radiator Hose |
| 2014 | Lexus | RX350 | — | — | Upper | Curved Radiator Hose |
| 2014 | Lexus | RX450h | — | — | Upper | Curved Radiator Hose |
| 2014 | Toyota | Highlander | 3.5L | V6 | Upper | Curved Radiator Hose |
| 2014 | Toyota | Sienna | — | — | Upper | Curved Radiator Hose |
| 2013 | Lexus | RX350 | — | — | Upper | Curved Radiator Hose |
| 2013 | Lexus | RX450h | — | — | Upper | Curved Radiator Hose |
| 2013 | Toyota | Sienna | 3.5L | V6 | Upper | Curved Radiator Hose |
| 2012 | Lexus | RX350 | — | — | Upper | Curved Radiator Hose |
| 2012 | Lexus | RX450h | — | — | Upper | Curved Radiator Hose |
| 2012 | Toyota | Sienna | 3.5L | V6 | Upper | Curved Radiator Hose |
| 2011 | Lexus | RX350 | — | — | Upper | Curved Radiator Hose |
| 2011 | Lexus | RX450h | — | — | Upper | Curved Radiator Hose |
| 2011 | Toyota | Sienna | 3.5L | V6 | Upper | Curved Radiator Hose |
| 2010 | Lexus | RX350 | — | — | Upper | Curved Radiator Hose |
| 2010 | Lexus | RX450h | — | — | Upper | Curved Radiator Hose |
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