- Fuel, Carbs & Intakes
- Fuel Injection
- Caspers Electronics O2 Sensor Extension Harnesses
Installing headers on a late model car will often cause the O2 sensor harness to be too short. These extensions make it easy to lengthen the harness without splicing or soldering... just plug 'em in. Sold individually.
Filter By Vehicle
Filter Results
Filter By Vehicle
AVAILABILITY
PART TYPE
PART TYPE
BRAND
BRAND
Specials
Deals
Part Category
Vendor Part Number
Part Fitment
RATING
PRICE
GM 12 in.
Caspers Electronics 109001
Caspers Electronics Oxygen Sensor Extension Harness 1990-Previous GM 12" Single Terminal
Oxygen Sensor Extension Harness1990-Previous GM 12'' Single Terminal
View Details
$17.99
$16.19
SAVE $1.80
Estimated to ship direct from manufacturer in 24hrs
Lowest Price Guarantee
GM 24 in.
Caspers Electronics 109002
Caspers Electronics Oxygen Sensor Extension Harness 1990-Previous GM 24" Single Terminal
Oxygen Sensor Extension Harness1990-Previous GM 24'' Single Terminal
View Details
$17.99
$16.19
SAVE $1.80
Estimated to ship direct from manufacturer on 07/24/26, pending manufacturer availability.
Lowest Price Guarantee
GM 36 in.
Caspers Electronics 109003
Caspers Electronics Oxygen Sensor Extension Harness 1990-Previous GM 36" Single Terminal
Oxygen Sensor Extension Harness1990-Previous GM 36'' Single Terminal
View Details
$17.99
$16.19
SAVE $1.80
Estimated to ship direct from manufacturer in 24hrs
Lowest Price Guarantee
Ford 24 in.
Oxygen Sensor Extension Harness1996-2002 Ford 24''
View Details
$25.79
$23.21
SAVE $2.58
Estimated to ship direct from manufacturer on 07/23/26, pending manufacturer availability.
Lowest Price Guarantee
Wiring Harness Extensions
Dodge 24 in.
$25.79
$23.21
SAVE $2.58
Ships Today
Lowest Price Guarantee
Oxygen Sensor Extension HarnessDodge 24''
View Details
$25.99
$23.39
SAVE $2.60
Estimated to ship direct from manufacturer on 07/23/26, pending manufacturer availability.
Lowest Price Guarantee
Ford 36 in.
$21.79
$19.61
SAVE $2.18
Ships Today
Lowest Price Guarantee
GM 12 in.
Oxygen Sensor Extension HarnessGM 12'' Flat
View Details
$20.99
$18.89
SAVE $2.10
Estimated to ship direct from manufacturer on 07/23/26, pending manufacturer availability.
Lowest Price Guarantee
Oxygen Sensor Extension HarnessGM 12'' Square
View Details
$25.79
$23.21
SAVE $2.58
Estimated to ship direct from manufacturer on 07/27/26, pending manufacturer availability.
Lowest Price Guarantee
GM 24 in.
$23.79
$21.41
SAVE $2.38
Ships Today
Lowest Price Guarantee
Oxygen Sensor Extension HarnessGM 24'' Square
View Details
$25.99
$23.39
SAVE $2.60
Estimated to ship direct from manufacturer on 07/23/26, pending manufacturer availability.
Lowest Price Guarantee
Honda/Acura 12 in.
Oxygen Sensor Extension HarnessHonda/Acura 12"
View Details
$20.59
$18.53
SAVE $2.06
Estimated to ship direct from manufacturer on 07/27/26, pending manufacturer availability.
Lowest Price Guarantee
Honda/Acura 36 in.
Oxygen Sensor Extension HarnessHonda/Acura 36"
View Details
$25.99
$23.39
SAVE $2.60
Estimated to ship direct from manufacturer on 07/23/26, pending manufacturer availability.
Lowest Price Guarantee
GM 12 in.
Caspers Electronics 109225
Caspers Electronics 109225 12 in. Oxygen Sensor Extension for 2010+ Chevrolet Camaro, 2005-2013 Chevrolet Corvette
12 in. Oxygen Sensor Extension2010+ Chevrolet Camaro 2005-2013 Chevrolet Corvette OEM-Style Plug-and-Play Connectors For Aftermarket Header and Exhaust Installs
View Details
$27.79
$25.01
SAVE $2.78
Ships Today
Lowest Price Guarantee
Nissan Subaru 36 in.
Caspers Electronics 109253-36
Caspers Electronics 109253-36 36 in. Front Oxygen Sensor Extension for Select Nissan Subaru Models
36 in. Front Oxygen Sensor ExtensionFits Select Nissan Subaru Models Front O2 Sensor Extension OEM-Style Plug-and-Play Connectors For Aftermarket Header and Exhaust Installs
View Details
$16.99
$15.29
SAVE $1.70
Ships Today
Lowest Price Guarantee