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OE Quality
60-Day Returns
DaycoPart #: 87703
Dayco 87703 HVAC Heater Hose - Heater To Engine
⚙️ 4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$26.71Free 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
📦Small I.D. Heater Hose, Heater To Engine
🚗Fitment: Chevrolet and Pontiac, Camaro and Firebird
🔄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
Dayco 87703 HVAC Heater Hose - Heater To Engine
| Brand | Dayco |
| Part Number | 87703 |
| Position | Small I.D. Heater Hose, Heater To Engine |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r3 class d-1, sae j1684 type ec |
| Trunk Height | 23 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1986 | Chevrolet | Camaro | 5.0L | V8 | Heater To Engine | Small I.D. Heater Hose |
| 1986 | Pontiac | Firebird | 5.0L | V8 | Heater To Engine | Small I.D. Heater Hose |
| 1985 | Chevrolet | Camaro | 5.0L | V8 | Heater To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1985 | Pontiac | Firebird | 5.0L | V8 | Heater To Engine | Small I.D. 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:
E87703
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.