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AP Exhaust 644037 Catalytic Converter - Rear
AP Exhaust Catalytic Converter for Toyota RAV4
The AP Exhaust catalytic converter part number 644037 is designed specifically for Toyota RAV4 models requiring a federal/EPA direct-fit replacement. Constructed with durable stainless steel and a ceramic substrate, this catalytic converter ensures reliable emissions control and long-lasting performance.
- Body material: stainless steel for corrosion resistance
- Federal/EPA direct-fit design for Toyota RAV4
- Overall length: 40.25 inches for precise fitment
- Inlet and outlet feature 2 bolt welded flanges
- Includes one clamp and inlet gasket for secure sealing
- Equipped with one O2 sensor port for accurate emissions monitoring
- Ceramic substrate for effective catalytic conversion
Durable Construction and Precise Fitment
This AP Exhaust catalytic converter 644037 is engineered with a stainless steel body to resist rust and corrosion, extending the service life of your exhaust system. The ceramic substrate inside efficiently converts harmful exhaust gases into less harmful emissions, meeting federal and EPA standards. The inlet and outlet connections use 2 bolt welded flanges and a 2.10 inch outer diameter pipe, ensuring a direct-fit installation on compatible Toyota RAV4 models. The inclusion of an inlet gasket and outlet hardware helps maintain a secure and leak-free connection.
Compatible Vehicles and Applications
- Designed for Toyota RAV4 models requiring a federal/EPA direct-fit catalytic converter
- Replacement for worn or damaged catalytic converters causing emissions failures
- Addresses issues such as check engine light due to O2 sensor errors
- Helps restore proper exhaust flow and reduce harmful emissions
- Suitable for undercar applications requiring a 40.25 inch overall length
Installation Notes and Tips
Installation of the AP Exhaust catalytic converter 644037 requires basic mechanical skills and appropriate tools. The 2 bolt welded flange design allows for straightforward mounting to existing exhaust components. Ensure the O2 sensor is properly installed in the provided sensor port to maintain accurate emissions readings. Use the included inlet gasket and clamp to achieve a tight seal and prevent exhaust leaks. Verify fitment compatibility with your specific Toyota RAV4 model year before installation.
Quality Assurance and Warranty
AP Exhaust catalytic converters are manufactured to meet federal and EPA emissions standards, providing reliable performance and durability. The stainless steel construction and ceramic substrate are tested for longevity and efficiency. Please refer to AP Exhaust's warranty policy for coverage details on part number 644037.
| Brand | AP Exhaust |
| Part Number | 644037 |
| Body Material | Stainless steel |
| Clamp Qty | 1 |
| Inlet Gasket | Yes |
| Inlet Hardware | None |
| Inlet Type A | 2 bolt welded flange |
| O2 Sensor Ports | 1 |
| Outlet Gasket | Not required |
| Outlet Hardware | Yes |
| Outlet Type A | 2 bolt welded flange |
| Outlet Type A | 2.10" od pipe |
| Overall Length (IN) | 40.25 |
| Substrate Material | Ceramic |
| Type | Federal / epa direct-fit |
| Type | Federal / epa direct-fit undercar |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Toyota | RAV4 | 2.4L | L4 | Rear | Direct Fit; (Use w/ Ex. Pipe 58574); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2005 | Toyota | RAV4 | 2.4L | L4 | Rear | Direct Fit; Requires Pipe #58574 to Complete Installation. OE is a Complete Welded Assembly.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct fit converter may require resizing, cutting or bushing. |
| 2004 | Toyota | RAV4 | 2.4L | L4 | Rear | Direct Fit; (Use w/ Ex. Pipe 58574); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2004 | Toyota | RAV4 | 2.4L | L4 | Rear | Direct Fit; Requires Pipe #58574 to Complete Installation. OE is a Complete Welded Assembly.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct fit converter may require resizing, cutting or bushing. |
* 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.