Kooks Headers & Exhaust is a heritage performance exhaust manufacturer best known for high-quality stainless steel headers and complete exhaust systems. Built for serious street and track builds, Kooks products focus on fitment, durability, and the kind of airflow improvements enthusiasts chase when stepping up power.
Kooks Chrysler 5.7L (09+)/ 6.1L/ & 6.4L Hemi 02 Sensor Exts
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PART # CAS-105067
CAS-105067 Kooks Headers Chrysler 5.7L (09+)/ 6.1L/ & 6.4L Hemi 02 Sensor Exts. Kooks O2 Sensor Extension Kit provides reliable replacement harnesses for vehicles with 5.7L, 6.1L, and 6.4L HEMI engines. Includes two 6-inch front and two 18-inch rear 4-pin extensions. Designed to seamlessly integrate with Kooks Long Tube Header kits, these high-quality extensions ensure proper O2 sensor function and restore your exhaust system’s performance.
MADE IN THE USA
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Kooks Headers & Exhaust is a heritage performance exhaust manufacturer best known for high-quality stainless steel headers and complete exhaust systems. Built for serious street and track builds, Kooks products focus on fitment, durability, and the kind of airflow improvements enthusiasts chase when stepping up power.
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Kooks 02 Sensor Exts
Chrysler 5.7L (09+)/ 6.1L/ & 6.4L Hemi
CAS-105067
The Kooks O2 Sensor Extension Kit is engineered for vehicles with 5.7L, 6.1L, and 6.4L HEMI engines to provide a dependable replacement for damaged or lost oxygen sensor harnesses. This kit includes two 6-inch front and two 18-inch rear 4-pin extensions, ensuring proper fitment and seamless connectivity with Kooks Long Tube Header systems.
Handcrafted in the USA, these extensions uphold Kooks’ reputation for precision, durability, and performance. Each harness is designed to maintain accurate O2 sensor readings, supporting optimal engine tuning and exhaust efficiency. Ideal for replacement needs or upgrades, this kit ensures your exhaust system continues to deliver peak performance while maintaining compatibility with Kooks headers.- Replacement O2 sensor extension kit for 5.7L, 6.1L, and 6.4L HEMI engines
- Includes 2x 6-inch front 4-pin harnesses and 2x 18-inch rear 4-pin harnesses
- Seamlessly integrates with Kooks Long Tube Header systems
- Ensures proper oxygen sensor function and engine performance
- High-quality construction for durability and reliability
- Handcrafted in the USA
- Ideal for replacement of damaged or lost extensions
- Maintains accurate O2 sensor readings and exhaust efficiency
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Standard shipping
Free Standard Shipping on orders over $250. Select “Free Shipping” at checkout.
Free Easy Returns
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.
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YEARMAKEMODELSUBMODEL2015 - 2024Chrysler3003.6L V62011 - 2024Chrysler3005.7L Hemi2012 - 2014Chrysler3006.4L 3922005 - 2010Chrysler300C5.7L Hemi2006 - 2010Chrysler300C6.1L SRT82009 - 2023DodgeChallenger5.7L Hemi2008 - 2010DodgeChallenger6.1L SRT82015 - 2023DodgeChallenger6.2L Hellcat2011 - 2023DodgeChallenger6.4L 3922006 - 2010DodgeCharger3.5L V62011 - 2014DodgeCharger3.6L V62005 - 2023DodgeCharger5.7L Hemi2006 - 2010DodgeCharger6.1L SRT82015 - 2023DodgeCharger6.2L Hellcat2011 - 2023DodgeCharger6.4L 3922011 - 2025DodgeDurango3.6L V62004 - 2009DodgeDurango4.7L V82004 - 2025DodgeDurango5.7L Hemi2018 - 2025DodgeDurango6.4L 3922004 - 2009DodgeDurangoAll2005 - 2008DodgeMagnum5.7L Hemi2006 - 2008DodgeMagnum6.1L SRT82002 - 2010DodgeRam4.7L V82002 - 2010DodgeRam5.7L Hemi2002 - 2010DodgeRam5.9L Diesel2003 - 2010DodgeRam6.7L Diesel2007 - 2008JeepGrand Cherokee3.0L V62011 - 2021JeepGrand Cherokee3.6L V62005 - 2010JeepGrand Cherokee3.7L V62005 - 2010JeepGrand Cherokee4.7L V82005 - 2025JeepGrand Cherokee5.7L Hemi2006 - 2010JeepGrand Cherokee6.1L SRT82018 - 2021JeepGrand Cherokee6.2L Trackhawk2015 - 2021JeepGrand Cherokee6.4L SRT2012 - 2014JeepGrand Cherokee6.4L SRT82005 - 2010JeepGrand CherokeeAll2014 - 2018Ram15003.0L EcoDiesel2011 - 2018Ram15003.6L V62011 - 2013Ram15004.7L V82011 - 2018Ram15005.7L Hemi2011 - 2018Ram25005.7L Hemi2013 - 2025Ram25006.4L 3922011 - 2025Ram25006.7L Diesel2011 - 2012Ram35005.7L Hemi2013 - 2025Ram35006.4L 3922011 - 2025Ram35006.7L Diesel
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Kooks 02 Sensor Exts
Chrysler 5.7L (09+)/ 6.1L/ & 6.4L Hemi
CAS-105067
The Kooks O2 Sensor Extension Kit is engineered for vehicles with 5.7L, 6.1L, and 6.4L HEMI engines to provide a dependable replacement for damaged or lost oxygen sensor harnesses. This kit includes two 6-inch front and two 18-inch rear 4-pin extensions, ensuring proper fitment and seamless connectivity with Kooks Long Tube Header systems.
Handcrafted in the USA, these extensions uphold Kooks’ reputation for precision, durability, and performance. Each harness is designed to maintain accurate O2 sensor readings, supporting optimal engine tuning and exhaust efficiency. Ideal for replacement needs or upgrades, this kit ensures your exhaust system continues to deliver peak performance while maintaining compatibility with Kooks headers.
- Replacement O2 sensor extension kit for 5.7L, 6.1L, and 6.4L HEMI engines
- Includes 2x 6-inch front 4-pin harnesses and 2x 18-inch rear 4-pin harnesses
- Seamlessly integrates with Kooks Long Tube Header systems
- Ensures proper oxygen sensor function and engine performance
- High-quality construction for durability and reliability
- Handcrafted in the USA
- Ideal for replacement of damaged or lost extensions
- Maintains accurate O2 sensor readings and exhaust efficiency
Standard shipping
Free Standard Shipping on orders over $250. Select “Free Shipping” at checkout.
Free Easy Returns
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.