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OE Quality
60-Day Returns
GatesPart #: 51966
Gates 51966 HVAC Heater Hose
⚙️ 8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$35.07Free 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 Coolant Hose
🚗Fitment: Cadillac and Chevrolet, ELR and Volt
🔄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 51966 HVAC Heater Hose
| Brand | Gates |
| Part Number | 51966 |
| Position | Molded Coolant Hose |
| Material | Epdm, plastic |
| End 1 Inside Diameter | .75 |
| End 1 Inside Diameter | 19 |
| End 2 Inside Diameter | .875 |
| End 2 Inside Diameter | 22 |
| Contains Spring | No |
| Centerline Length | 24 |
| Centerline Length | 610 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 1 |
| 9940 | Yes |
| 9942 | Female quick connector |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Cadillac | ELR | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Molded Coolant Hose |
| 2015 | Cadillac | ELR | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Molded Coolant Hose |
| 2015 | Chevrolet | Volt | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Molded Coolant Hose |
| 2014 | Cadillac | ELR | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Molded Coolant Hose |
| 2014 | Chevrolet | Volt | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Molded Coolant Hose |
| 2013 | Chevrolet | Volt | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Molded Coolant Hose |
| 2012 | Chevrolet | Volt | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Molded Coolant Hose |
| 2011 | Chevrolet | Volt | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Molded Coolant 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:
2089605151966F11354
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.