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Dorman 668-001 Exhaust Gas Recirculation (EGR) Cooler
Durable Stainless Steel EGR Cooler for Toyota Prius Models
The Dorman 668-001 Exhaust Gas Recirculation (EGR) Cooler is engineered specifically for Toyota Prius, Prius Plug-In, and Prius V models. Constructed from corrosion-resistant stainless steel with flanged ends, this EGR cooler ensures reliable performance and precise fitment for emission control systems.
- Made from high-quality stainless steel for durability and corrosion resistance
- Flanged end connections with two mounting holes each for secure installation
- Specific fitment designed for Toyota Prius, Prius Plug-In, and Prius V
- Tube-type heat exchanger design for efficient exhaust gas cooling
- CARB certified to meet California Air Resources Board emission standards
- Compact dimensions: 8.6 inches length, 2.07 inches width, and 8 inches height
- No gasket or seal included or required for installation
Product Details and Specifications
The Dorman 668-001 EGR Cooler features a tube-type heat exchanger that effectively reduces exhaust gas temperatures before recirculation, helping to lower nitrogen oxide emissions. Both ends of the cooler are flanged with two mounting holes each, sized at 0.33 inches in diameter, ensuring a secure and precise fit. The inside port diameters measure 1.01 inches on one end and 0.82 inches on the outlet, matching OEM specifications for Toyota Prius models. Its silver stainless steel construction offers resistance to heat and corrosion, contributing to long service life in demanding engine environments.
Compatible Vehicles and Applications
- Designed specifically for Toyota Prius
- Compatible with Toyota Prius Plug-In
- Fits Toyota Prius V models
- Ideal replacement for emission control system maintenance
- Helps address issues related to EGR system overheating and emissions
Common Issues Addressed by This EGR Cooler
- Excessive exhaust gas temperatures causing engine performance problems
- Reduced fuel efficiency due to faulty EGR cooling
- Increased nitrogen oxide (NOx) emissions failing emissions tests
- Potential engine knocking or rough idling linked to EGR system faults
- Overheating of EGR components leading to premature wear
Installation Notes and Tips
This EGR cooler is designed for direct replacement with no need for additional gaskets or seals. Ensure mounting surfaces are clean and free of debris before installation. Use appropriate torque specifications for the flanged mounting bolts to avoid leaks or damage. Verify compatibility with your specific Toyota Prius model year to ensure proper fitment.
Quality Assurance and Certification
The Dorman 668-001 EGR Cooler is California Air Resources Board (CARB) certified, meeting strict emission control standards. Manufactured with durable stainless steel and precision engineering, this part is built to maintain emission system integrity and support regulatory compliance. While no explicit warranty information is provided, Dorman parts typically adhere to industry quality standards for reliable performance.
| Brand | Dorman |
| Part Number | 668-001 |
| Material | Stainless steel |
| Color | Silver |
| End 1 Type | Flanged |
| End 2 Type | Flanged |
| Gasket Or Seal Required | No |
| Overall Height | 8. |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Gasket Or Seal Included | No |
| End 1 Mount Hole Quantity | 2 |
| End 2 Mount Hole Quantity | 2 |
| End 2 Inside Port Diameter | 1.01 |
| California Air Resources Board (CARB) Certified | Yes |
| Mounting Hole Diameter | 0.33 |
| Overall Length | 8.6 |
| Overall Width | 2.07 |
| Flanged | Yes |
| Heat Exchanger Type | Tube |
| Outlet Inside Diameter (in) | 0.82 in |
| Package Contents | 1 cooler |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Toyota | Prius V | 1.8L | L4 | N/A | |
| 2016 | Toyota | Prius V | 1.8L | L4 | N/A | |
| 2015 | Toyota | Prius | 1.8L | L4 | N/A | |
| 2015 | Toyota | Prius Plug-In | 1.8L | L4 | N/A | |
| 2015 | Toyota | Prius V | 1.8L | L4 | N/A | |
| 2014 | Toyota | Prius | 1.8L | L4 | N/A | |
| 2014 | Toyota | Prius Plug-In | 1.8L | L4 | N/A | |
| 2014 | Toyota | Prius V | 1.8L | L4 | N/A | |
| 2013 | Toyota | Prius | 1.8L | L4 | N/A | |
| 2013 | Toyota | Prius Plug-In | 1.8L | L4 | N/A | |
| 2013 | Toyota | Prius V | 1.8L | L4 | N/A | |
| 2012 | Toyota | Prius | 1.8L | L4 | N/A | |
| 2012 | Toyota | Prius Plug-In | 1.8L | L4 | N/A | |
| 2012 | Toyota | Prius V | 1.8L | L4 | N/A | |
| 2011 | Toyota | Prius | 1.8L | L4 | N/A | |
| 2010 | Toyota | Prius | 1.8L | L4 | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.