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GatesPart #: 12103
Gates 12103 HVAC Heater Hose - Valve To Engine
⚙️ 14 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$48.36Free 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, Valve To Engine
🚗Fitment: Ram, 1500 and 1500 Classic
🔄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 12103 HVAC Heater Hose - Valve To Engine
| Brand | Gates |
| Part Number | 12103 |
| Position | Molded Heater Hose, Valve To Engine |
| Material | Epdm |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .75 |
| End 2 Inside Diameter | 19 |
| Centerline Length | 22.64 |
| Centerline Length | 575 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 22.64 |
| Centerline Length (mm) | 575 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Ram | 1500 | 3.6L | V6 | GAS | Valve To Engine | Molded Heater Hose |
| 2021 | Ram | 1500 Classic | 3.6L | V6 | FLEX | Valve To Engine | Molded Heater Hose |
| 2020 | Ram | 1500 | 3.6L | V6 | GAS | Valve To Engine | Molded Heater Hose |
| 2020 | Ram | 1500 Classic | 3.6L | V6 | FLEX | Valve To Engine | Molded Heater Hose |
| 2019 | Ram | 1500 Classic | 3.6L | V6 | FLEX | Valve To Engine | Molded Heater Hose |
| 2018 | Ram | 1500 | 3.6L | V6 | FLEX | Valve To Engine | Molded Heater Hose |
| 2017 | Ram | 1500 | 3.6L | V6 | FLEX | Valve To Engine | Molded Heater Hose |
| 2016 | Ram | 1500 | 3.6L | V6 | GAS | Valve To Engine | Molded Heater Hose |
| 2016 | Ram | 1500 | 3.6L | V6 | FLEX | Valve To Engine | Molded Heater Hose |
| 2015 | Ram | 1500 | 3.6L | V6 | GAS | Valve To Engine | Molded Heater Hose |
| 2015 | Ram | 1500 | 3.6L | V6 | FLEX | Valve To Engine | Molded Heater Hose |
| 2014 | Ram | 1500 | 3.6L | V6 | GAS | Valve To Engine | Molded Heater Hose |
| 2014 | Ram | 1500 | 3.6L | V6 | FLEX | Valve To Engine | Molded Heater Hose |
| 2013 | Ram | 1500 | 3.6L | V6 | FLEX | Valve To Engine | 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:
1310316686M52014603AB52014603AC
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.