HomeExhaust > Catalytic ConverterEastern Convertors 50577 Catalytic Converter - Front Left
Part #: 50577

Eastern Convertors 50577 Catalytic Converter - Front Left

DIRECT FIT, Front Left
⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$438.84Free Shipping
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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
📦DIRECT FIT, Front Left
🚗Fitment: Buick, LaCrosse
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Eastern Convertors DIRECT FIT Catalytic Converter 50577

The Eastern Convertors DIRECT FIT Catalytic Converter 50577 is designed specifically for Buick LaCrosse models, providing a reliable solution for emissions control. This federal/EPA direct-fit undercar catalytic converter features an Eco gm catalyst type to meet environmental standards while maintaining vehicle performance.

  • Eco gm catalyst type for efficient emissions reduction
  • Federal/EPA direct-fit undercar design
  • Inlet type: 3 bolt welded connection
  • Outlet type: 2 bolt welded connection with hardware included
  • Includes one inlet gasket and one outlet gasket
  • Equipped with one O2 sensor port for accurate monitoring
  • Overall length of 13 inches for precise fitment

Detailed Product Description

This catalytic converter, part number 50577, is engineered to fit Buick LaCrosse vehicles, ensuring compatibility and ease of installation. The Eco gm catalyst type supports effective conversion of harmful exhaust gases, aligning with federal and EPA regulations. The inlet features a 3 bolt welded flange, while the outlet uses a 2 bolt welded flange with included hardware, facilitating secure attachment to the exhaust system. The unit comes with one inlet gasket and one outlet gasket to help maintain a proper seal and prevent leaks. Additionally, the single O2 sensor port allows for integration with the vehicle’s oxygen sensor, ensuring accurate emissions monitoring and engine performance.

About the DIRECT FIT Product Line

The DIRECT FIT line from Eastern Convertors focuses on providing catalytic converters that match OEM specifications for direct replacement applications. This product line is designed to simplify installation by offering parts that fit precisely without requiring modifications. The 50577 catalytic converter exemplifies this approach, delivering a direct-fit solution for Buick LaCrosse models that meets federal and EPA standards.

Common Applications and Issues Addressed

  • Replacement for damaged or clogged catalytic converters in Buick LaCrosse
  • Restores proper emissions control to pass state and federal inspections
  • Resolves check engine light issues related to catalytic converter failure
  • Improves exhaust flow and reduces harmful emissions
  • Supports vehicle compliance with environmental regulations

Installation Notes and Tips

When installing the Eastern Convertors DIRECT FIT Catalytic Converter 50577, ensure the vehicle is securely lifted and cooled down before beginning work. The 3 bolt welded inlet and 2 bolt welded outlet connections require proper gasket placement to avoid exhaust leaks. Use the included outlet hardware for secure attachment, and verify the O2 sensor port is properly aligned for sensor installation. It is recommended to inspect surrounding exhaust components for wear or damage during replacement.

Quality Assurance and Warranty

Eastern Convertors manufactures the 50577 catalytic converter to meet federal and EPA standards, ensuring reliable emissions control and durability. This part is backed by the brand’s quality assurance processes, although specific warranty details should be confirmed with the supplier or manufacturer documentation.

BrandEastern Convertors
Part Number50577
PositionDIRECT FIT, Front Left
Catalyst TypeEco gm
Inlet Gasket Qty1
Inlet HardwareNone
Inlet Type A3 bolt welded
O2 Sensor Ports1
Outlet Gasket Qty1
Outlet HardwareYes
Outlet Type A2 bolt welded
Overall Length (IN)13
TypeFederal / epa direct-fit undercar

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011BuickLaCrosse3.6LV6Front LeftRadiator Side; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2010BuickLaCrosse3.6LV6Front LeftRadiator Side; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.