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OE Quality
60-Day Returns
GatesPart #: 51750
Gates 51750 HVAC Heater Hose - Reservoir (Lower)
⚙️ 4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$46.66Free 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, Reservoir (Lower)
🚗Fitment: BMW, 525i and 530i
🔄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 51750 HVAC Heater Hose - Reservoir (Lower)
| Brand | Gates |
| Part Number | 51750 |
| Position | Molded Coolant Hose, Reservoir (Lower) |
| Material | Epdm, plastic, steel |
| End 1 Inside Diameter | .8 |
| End 1 Inside Diameter | 20 |
| End 2 Inside Diameter | .8 |
| End 2 Inside Diameter | 20 |
| Contains Spring | No |
| Centerline Length | 17 |
| Centerline Length | 1803 |
| Centerline Length | 71 |
| End 3 Inside Diameter | .65 |
| Branch Quantity | 1 |
| 9839 | Yes |
| 9845 | 3 |
| Modular Components | Branch, 3 female quick connectors |
| Modular Hose | Yes |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2005 | BMW | 525i | Automatic | 2.5L | L6 | GAS | Reservoir (Lower) | Molded Coolant Hose |
| 2005 | BMW | 530i | Automatic | 3.0L | L6 | GAS | Reservoir (Lower) | Molded Coolant Hose |
| 2004 | BMW | 525i | Automatic | 2.5L | L6 | GAS | Reservoir (Lower) | Molded Coolant Hose |
| 2004 | BMW | 530i | Automatic | 3.0L | L6 | GAS | Reservoir (Lower) | 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:
1712751925851750CHE0493
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.