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60-Day Returns
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DormanPart #: 667-166
Dorman 667-166 Turbocharger Coolant Line - Supply
⚙️ 16 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$24.11Free 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
🚗Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500
🔄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 Turbocharger Coolant Line options
Dorman 667-166 Turbocharger Coolant Line - Supply
| Brand | Dorman |
| Part Number | 667-166 |
| Material | Caucho |
| Material | Élastomère |
| Material | Rubber |
| Length | 8 |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Inside Diameter | 0.125 |
| End 1 Gender | Female |
| End 1 Gender | Hembra |
| End 2 Gender | Female |
| End 2 Gender | Hembra |
| Centerline Length | 8 |
| Outside Diameter | 0.125 |
| Shape | Ensamble moldeado |
| Shape | Molded assembly |
| Grade Type | Equipo original |
| Grade Type | Oem |
| Fitting Color | Black |
| Fitting Color | Negro |
| Fitting Color | Noir |
| Fitting Material | Caucho |
| Fitting Material | Élastomère |
| Fitting Material | Rubber |
| Inlet Fitting Type | Female |
| Inlet Fitting Type | Hembra |
| Outlet Fitting Type | Female |
| Outlet Fitting Type | Hembra |
| Contenidos del paquete | 1 línea de refrigerante del turbocargador |
| Diámetro de la rosca de acoplación del extremo 1 | 14mm x 10 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Supply | |
| 2004 | Chevrolet | Silverado 3500 | 6.6L | V8 | Supply | |
| 2004 | GMC | Sierra 2500 HD | 6.6L | V8 | Supply | |
| 2004 | GMC | Sierra 3500 | 6.6L | V8 | Supply | |
| 2003 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Supply | |
| 2003 | Chevrolet | Silverado 3500 | 6.6L | V8 | Supply | |
| 2003 | GMC | Sierra 2500 HD | 6.6L | V8 | Supply | |
| 2003 | GMC | Sierra 3500 | 6.6L | V8 | Supply | |
| 2002 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Supply | |
| 2002 | Chevrolet | Silverado 3500 | 6.6L | V8 | Supply | |
| 2002 | GMC | Sierra 2500 HD | 6.6L | V8 | Supply | |
| 2002 | GMC | Sierra 3500 | 6.6L | V8 | Supply | |
| 2001 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Supply | |
| 2001 | Chevrolet | Silverado 3500 | 6.6L | V8 | Supply | |
| 2001 | GMC | Sierra 2500 HD | 6.6L | V8 | Supply | |
| 2001 | GMC | Sierra 3500 | 6.6L | V8 | Supply |
* 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:
18302633398700297230093
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.