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OE Quality
60-Day Returns
GatesPart #: 12120
Gates 12120 HVAC Heater Hose - Reservoir To Thermostat
⚙️ 3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$28.37Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Reservoir To Thermostat
🚗Fitment: Ford, F-150
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all HVAC Heater Hose options
Gates 12120 HVAC Heater Hose - Reservoir To Thermostat
| Brand | Gates |
| Part Number | 12120 |
| Position | Molded Heater Hose, Reservoir To Thermostat |
| Material | Epdm |
| End 1 Inside Diameter | .28 |
| End 1 Inside Diameter | 7 |
| End 2 Inside Diameter | .36 |
| End 2 Inside Diameter | 9 |
| Centerline Length | 21.625 |
| Centerline Length | 549 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Ford | F-150 | 3.5L | V6 | FLEX | Reservoir To Thermostat | Molded Heater Hose |
| 2016 | Ford | F-150 | 3.5L | V6 | FLEX | Reservoir To Thermostat | Molded Heater Hose |
| 2015 | Ford | F-150 | 3.5L | V6 | FLEX | Reservoir To Thermostat | 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:
13120F10518FL3Z 8A365 B
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.