SELECT ENGINE

Account

Log In/ Register

Products Showing Parts for — {{ active_vehicle.name }}

{{ product.name }}

{{ product.name }} See New Part # {{ product.superseded_product_sku }} {{ determineProductPrice( product ) }} ~~{{ determineProductSalePrice( product ) }}~~

No Results Showing Parts for — {{ active_vehicle.name }}

Did you mean {{ response.didYouMean.query }}?

OBDII Splitters & Accessories

Find the accessories your tuner or programmer needs or improve functionality of the OBDII port on your 2004.5-2005 Chevy/GMC 6.6L LLY Duramax with the OBDII Splitters & Accessories available. Accessories like extension cables for tuners, programmers, or modules and OBDII covers are available for a variety of applications. If you're looking to add extra electronic accessories that utilize the OBDII port on your vehicle an OBDII Splitter is the solution you need. Shop today at XDP and find OBDII Splitters & Accessories from brands including Bully Dog Technologies, Diablosport, SCT, and many more!

Filter & Sort

In-Stock

Yes (3)
No (23)

20

Placeholder

Auto Meter 5323 OBDII Splitter

$35.24

0 / 5.0

Universal

Placeholder

Bully Dog 40010 Power & HDMI Cable Extension Kit

$16.99

0 / 5.0

Universal

Placeholder

Bully Dog 40400-105 Universal OBDII Block

$34.84

0 / 5.0

Universal

Placeholder

Daystar Do Not Flash OBDII Plug KU71124BK

$14.06

0 / 5.0

Universal

Placeholder

Daystar KU71124RE Do Not Flash OBDII Port Plug (Red)

$14.06

0 / 5.0

Universal

Placeholder

Edge Products EAS 98106 OBDII Pass Through Splitter

$47.95

0 / 5.0

Universal

Placeholder

Longhorn Fab 200922 Do Not Reflash OBDII Port Cover

$11.38

0 / 5.0

Universal