HomeAP Exhaust 641631 Catalytic Converter - Front
Part #: 641631

AP Exhaust 641631 Catalytic Converter - Front

Direct Fit Converter, Front
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct Fit Converter, Front
🚗Fitment: Chevrolet, Spark
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Overview of AP Exhaust Direct Fit Converter 641631

The AP Exhaust Direct Fit Converter 641631 is designed specifically for Chevrolet Spark models requiring a federal EPA direct-fit catalytic converter. Engineered with durable stainless steel and a ceramic substrate, this catalytic converter ensures reliable emission control and long-lasting performance.

  • Federal / EPA direct-fit catalytic converter
  • Constructed with stainless steel body for corrosion resistance
  • Ceramic substrate for efficient emission filtration
  • Single inlet and outlet with welded flange connections
  • Includes one O2 sensor port for accurate monitoring
  • Overall length of 19 inches for precise fitment
  • Boxed packaging for secure delivery
  • Compatible with Chevrolet Spark models

Product Line Details: Direct Fit Converter

The Direct Fit Converter line by AP Exhaust focuses on providing catalytic converters that match OEM specifications for a direct replacement without modification. This product line emphasizes ease of installation and compatibility, making it suitable for vehicles like the Chevrolet Spark that require federal EPA compliant parts. The 641631 part number is part of this line, ensuring a precise fit and reliable emission control.

Detailed Product Description

This catalytic converter features a stainless steel body that offers resistance to rust and corrosion, extending the lifespan of the component. The ceramic substrate inside is designed to effectively reduce harmful emissions by facilitating catalytic reactions. The converter includes one inlet and one outlet, both with welded flange connections—2 bolt welded on the inlet side and 4 bolt welded on the outlet side—ensuring a secure and leak-free fit. Additionally, it has one O2 sensor port to maintain proper engine management and emission monitoring. The overall length of 19 inches allows for a direct fit in the exhaust system of Chevrolet Spark vehicles.

Common Applications and Issues Addressed

  • Replacement for a failing or clogged catalytic converter in Chevrolet Spark
  • Restores proper emission control to meet federal EPA standards
  • Eliminates exhaust leaks caused by damaged converter flanges
  • Resolves check engine light issues related to catalytic converter performance
  • Improves engine efficiency by ensuring proper exhaust flow

Installation Notes and Tips

The AP Exhaust Direct Fit Converter 641631 is designed for direct replacement with no modifications required. It features welded flange connections on both inlet and outlet sides, so ensure proper gasket installation on the outlet flange where one gasket is included. Note that no installation hardware or inlet gaskets are provided, so these may need to be sourced separately. The single O2 sensor port allows for easy sensor reinstallation. Professional installation is recommended to ensure proper torque and sealing.

Quality Assurance

This catalytic converter is manufactured to meet federal EPA standards but is not CARB certified for California emissions. The stainless steel construction and ceramic substrate are designed for durability and consistent performance. While no specific warranty information is provided, AP Exhaust products typically adhere to industry quality standards for direct-fit replacement parts.

BrandAP Exhaust
Part Number641631
PositionDirect Fit Converter, Front
Converter TypeFederal / epa direct-fit
Inlet Quantity1
Body MaterialStainless steel
Outlet Quantity1
California Air Resources Board (CARB) CertifiedNo
Substrate MaterialCeramic
Overall Length19.000
BoxedYes
Inlet A Connection TypeWelded flange
Inlet Gasket Quantity0
Inlet HardwareNone
Inlet Type A2 bolt welded
O2 Sensor Ports1
Outlet A Connection TypeWelded flange
Outlet Gasket1
Outlet HardwareNone
Outlet Type A4 bolt welded
Package MaterialCorrugated cardboard
Package TypeBox

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022ChevroletSpark1.4LL4FrontFederal and California Emissions; Direct Fit Converter
2021ChevroletSpark1.4LL4FrontFederal and California Emissions; Direct Fit Converter
2020ChevroletSpark1.4LL4FrontFederal and California Emissions; Direct Fit Converter
2019ChevroletSpark1.4LL4FrontFederal and California Emissions; Direct Fit Converter
2018ChevroletSpark1.4LL4FrontFederal and California Emissions; Direct Fit Converter
2017ChevroletSpark1.4LL4FrontFederal and California Emissions; Direct Fit Converter
2016ChevroletSpark1.4LL4FrontFederal and California Emissions; Direct Fit Converter

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