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OE Quality
60-Day Returns
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DormanPart #: 674-751
Dorman 674-751 Catalytic Converter with Integrated Exhaust Manifold - Right
⚙️ 24 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$730.78Free 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: Lexus and Toyota, Highlander and RX450h
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Dorman 674-751 Catalytic Converter with Integrated Exhaust Manifold - Right
| Brand | Dorman |
| Part Number | 674-751 |
| Color | Natural |
| Grade Type | Regular |
| Converter Body Length | 12.5 |
| Outlet Type | Flanged |
| Inlet Quantity | 3 |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Inlet Mounting Hole Quantity | 6 |
| Inlet Mounting Hardware Included | No |
| Outlet Mounting Hole Quantity | 6 |
| Outlet Gasket Included | No |
| Outlet Mounting Hardware Included | Yes |
| Overall Length | 18 |
| Air Tube Count | 1 |
| Sensor Port Count | 1 |
| Converter Body Material | Cast iron |
| Converter Body Material | Stainless steel |
| Inlet Port Shape | Round |
| Package Contents | 1 exhaust manifold; 1 inlet gasket; 1 outlet gasket; 1 bolts; 5 n |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Toyota | Highlander | Hybrid Limited | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2017 | Toyota | Highlander | Hybrid LE | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2017 | Toyota | Highlander | Hybrid XLE | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2016 | Toyota | Highlander | Hybrid Limited | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2016 | Toyota | Highlander | Hybrid LE | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2016 | Toyota | Highlander | Hybrid XLE | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2015 | Lexus | RX450h | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No | |
| 2015 | Toyota | Highlander | Hybrid Limited | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2015 | Toyota | Highlander | Hybrid LE | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2015 | Toyota | Highlander | Hybrid XLE | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2014 | Lexus | RX450h | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No | |
| 2014 | Toyota | Highlander | Hybrid Limited | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2014 | Toyota | Highlander | Hybrid LE | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2014 | Toyota | Highlander | Hybrid XLE | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2013 | Lexus | RX450h | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No | |
| 2013 | Toyota | Highlander | Hybrid Limited | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2013 | Toyota | Highlander | Hybrid | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2012 | Lexus | RX450h | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No | |
| 2012 | Toyota | Highlander | Hybrid Limited | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2012 | Toyota | Highlander | Hybrid | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2011 | Lexus | RX450h | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No | |
| 2011 | Toyota | Highlander | Hybrid Limited | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2011 | Toyota | Highlander | Hybrid | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
| 2010 | Lexus | RX450h | 3.5L | V6 | Right | CARB Compliant: No; CARB Compliant: No |
* 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:
171403141052018
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.