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OE Quality
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WalkerPart #: 16683
Walker 16683 Catalytic Converter with Integrated Exhaust Manifold - Left
⚙️ 14 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$689.42Free 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.
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✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦EPA, Left
🚗Fitment: Toyota, 4Runner and FJ Cruiser
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Walker 16683 Catalytic Converter with Integrated Exhaust Manifold - Left
| Brand | Walker |
| Part Number | 16683 |
| Position | EPA, Left |
| Grade Type | Regular |
| Converter Body Length | 7.87 |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Substrate Material | Ceramic |
| Overall Length | 25.7 |
| Converter Body Material | Stainless steel |
| Outlet Port Shape | Round |
| Inlet Port Shape | Round |
| Body Height | 4 |
| Body Height | 4.000 |
| Body Length | 7.87 |
| Body Length | 7.870 |
| Body Material | Stainless steel |
| Body Shape | 4" round |
| Body Shape | Round |
| Body Width | 4 |
| Body Width | 4.000 |
| Converter Quantity | 1 |
| Fitment | Direct fit |
| Inlet 1 Type | 6 bolt welded flange |
| Inlet Connection Type | 6 bolt welded flange |
| Inlet Count | 1 |
| Inlet Type | 6 bolt welded flange |
| Material | Stainless steel |
| Max Year Covered | 2015 |
| Min Year Covered | 2013 |
| Most Popular Make / Model | Toyota 4runner |
| Most Popular Year | 2015 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2024 | Toyota | 4Runner | 4.0L | V6 | Left | EPA |
| 2023 | Toyota | 4Runner | 4.0L | V6 | Left | EPA |
| 2022 | Toyota | 4Runner | 4.0L | V6 | Left | EPA |
| 2021 | Toyota | 4Runner | 4.0L | V6 | Left | EPA |
| 2020 | Toyota | 4Runner | 4.0L | V6 | Left | EPA |
| 2019 | Toyota | 4Runner | 4.0L | V6 | Left | EPA |
| 2018 | Toyota | 4Runner | 4.0L | V6 | Left | EPA |
| 2017 | Toyota | 4Runner | 4.0L | V6 | Left | EPA |
| 2016 | Toyota | 4Runner | 4.0L | V6 | Left | Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31332; Ultra Type; EPA |
| 2015 | Toyota | 4Runner | 4.0L | V6 | Left | Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31332; Ultra Type; EPA |
| 2014 | Toyota | 4Runner | 4.0L | V6 | Left | Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31332; Ultra Type; EPA |
| 2014 | Toyota | FJ Cruiser | 4.0L | V6 | Left | Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31332; Ultra Type; EPA |
| 2013 | Toyota | 4Runner | 4.0L | V6 | Left | Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31332; Ultra Type; EPA |
| 2013 | Toyota | FJ Cruiser | 4.0L | V6 | Left | Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional Part(s) Needed To Complete Installation: 31332; Ultra Type; EPA |
* 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:
52430641515
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.