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Gates 12341 HVAC Heater Hose - Oil Cooler Inlet
Gates Molded Heater Hose for Tight Engine Bays
The Gates Molded Heater Hose, part number 12341, is a factory-molded coolant hose built for smaller, tighter engine compartments. It follows an OEM-style shape for direct routing in applications that need a precise molded path, including Toyota Sienna and Toyota Highlander oil cooler inlet service.
Key Features
- EPDM construction for coolant, water, and air service
- Factory-molded profile for OE-style routing in compact engine bays
- Small I.D. hose with 0.5 in. end inside diameter at both ends
- Centerline length of 15.4 in. for accurate fitment
- Approved for marine applications
- Gates 12341 for HVAC hose and coolant routing applications
Product Details
Gates 12341 is part of the Molded Heater Hose line, a product line focused on molded replacement hoses that match the routing needs of modern vehicles with limited underhood space. This hose uses EPDM material for durability in coolant-system service and is shaped to follow the original hose path rather than forcing a universal bend. For buyers searching for a Toyota Sienna heater hose replacement or a Toyota Highlander oil cooler inlet hose, this molded design supports a cleaner, more accurate installation.
This part cross-references BBB Industries 13341 for the same application.
Used For
- Replacing a cracked or leaking molded coolant hose
- Restoring proper coolant flow at the oil cooler inlet
- Addressing hose collapse, hardening, or heat-related wear
- Correcting routing issues in tight engine compartments
- Servicing coolant, water, or air transfer lines
Installation Notes and Fitment
Compatible With 2014 Toyota Highlander, Oil Cooler Inlet. Compatible With 2014-2016 Toyota Sienna, Oil Cooler Inlet. Verify hose routing, end diameters, and centerline length before installation. Gates 12341 is a molded replacement hose, so matching the original path is important for proper clearance and sealing.
Quality Assurance
Gates manufactures this molded hose as an OEM-style replacement for vehicle cooling and HVAC-related hose routing. The EPDM construction and factory-molded shape support consistent fitment in applications that require precise hose geometry.
| Brand | Gates |
|---|---|
| Part Number | 12341 |
| Position | Molded Heater Hose, Oil Cooler Inlet |
| Material | Epdm |
| End 1 Inside Diameter | .5 |
| End 1 Inside Diameter | 13 |
| End 2 Inside Diameter | .5 |
| End 2 Inside Diameter | 13 |
| Centerline Length | 15.4 |
| Centerline Length | 391 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Toyota | Sienna | 3.5L | V6 | GAS | Oil Cooler Inlet | Molded Heater Hose |
| 2015 | Toyota | Sienna | 3.5L | V6 | GAS | Oil Cooler Inlet | Molded Heater Hose |
| 2014 | Toyota | Highlander | 3.5L | V6 | FULL HYBRID EV-GAS (FHEV) | Oil Cooler Inlet | Molded Heater Hose |
| 2014 | Toyota | Sienna | 3.5L | V6 | GAS | Oil Cooler Inlet | Molded 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.