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Davico 19412 Catalytic Converter - Center
Davico Exact-Fit Catalytic Converter Overview
The Davico Exact-Fit Catalytic Converter 19412 is designed specifically for select Buick, Chevrolet, and GMC models. Engineered to meet OEM specifications, this catalytic converter ensures proper fit and function for vehicles like the Buick Rainier, Chevrolet Trailblazer EXT, and GMC Envoy XL and XUV.
- Compatible with Buick Rainier, Chevrolet Trailblazer EXT, GMC Envoy XL, and Envoy XUV
- Includes gaskets for a secure seal
- Features 3 bolt fixed flange inlet and 3 bolt spin flange inlet
- Equipped with 4 O2 sensor ports for accurate emissions monitoring
- Overall length of 54.5 inches with a height of 12.5 inches and width of 30 inches
- Outlet with 2 bolt fixed flange for reliable connection
- Supports use with Davico Decarbonizing Induction Kit 1540ea
Exact-Fit Catalytic Converter Product Line Details
The Exact-Fit Catalytic Converter line by Davico focuses on delivering direct replacement parts that match the original equipment in dimensions and mounting points. This ensures straightforward installation and compatibility with factory components. The 19412 model maintains the precise inlet and outlet flange types and sensor ports required for proper operation in the specified Buick, Chevrolet, and GMC vehicles.
Product Features and Specifications
This catalytic converter features a 3 bolt fixed flange on one inlet and a 3 bolt spin flange on the other, allowing for secure and adaptable connections within the exhaust system. The outlet uses a 2 bolt fixed flange, maintaining OEM-style fitment. With four O2 sensor ports, it supports accurate emissions control and engine management. The included gaskets help ensure a tight seal to prevent exhaust leaks. Its dimensions—12.5 inches in height, 30 inches in width, and 54.5 inches overall length—are tailored to fit the exhaust layout of the compatible vehicles.
Common Applications and Problem Resolution
- Replacement for damaged or clogged catalytic converters in Buick Rainier, Chevrolet Trailblazer EXT, GMC Envoy XL, and Envoy XUV
- Restores proper exhaust flow and emissions control
- Helps resolve check engine light issues related to O2 sensor readings
- Improves vehicle compliance with emissions regulations
- Supports engine performance by maintaining correct exhaust backpressure
Installation Notes and Tips
When installing the Davico Exact-Fit Catalytic Converter 19412, ensure all four O2 sensors are properly transferred or replaced to maintain accurate emissions monitoring. Use the included gaskets to achieve a secure seal at all flange connections. The combination of fixed and spin flange inlets allows for easier alignment during installation. It is recommended to use the Davico Decarbonizing Induction Kit 1540ea as part of maintenance to optimize converter performance.
Quality Assurance and Warranty
Davico Exact-Fit Catalytic Converters are manufactured to meet or exceed OEM standards for durability and emissions compliance. This product includes a large package fee due to its size and is shipped unboxed to reduce handling damage. Warranty details should be confirmed with the distributor or manufacturer to ensure coverage specifics.
| Brand | Davico |
| Part Number | 19412 |
| Position | Exact-Fit Catalytic Converter, Center |
| Gaskets Included | Yes |
| Height | 12.5 |
| Inlet 1 Type | 3 bolt fixed flange |
| Inlet 2 Type | 3 bolt spin flange |
| Large Pkg. Fee | Yes |
| Number Of O2 Sensors | 4 |
| Outlet Type | 2 bolt fixed flange |
| Over All Length | 54.5 |
| Packaging Type | Unboxed |
| Use Davico Decarbonizing Induction Kit 1540ea | Yes |
| Width | 30 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Buick | Rainier | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter | |
| 2004 | Chevrolet | Trailblazer EXT | LT | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter |
| 2004 | Chevrolet | Trailblazer EXT | LS | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter |
| 2004 | Chevrolet | Trailblazer EXT | North Face | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter |
| 2004 | GMC | Envoy XL | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter | |
| 2004 | GMC | Envoy XUV | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter | |
| 2003 | Chevrolet | Trailblazer EXT | LT | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter |
| 2003 | Chevrolet | Trailblazer EXT | LS | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter |
| 2003 | Chevrolet | Trailblazer EXT | North Face | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter |
| 2003 | GMC | Envoy XL | 5.3L | V8 | Center | Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems; w/ 129 inch wheelbase; Exact-Fit Catalytic Converter |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.