6 Inch Extended Day Cab Conversion Kit

Upgrade your Peterbilt 365 day cab with the 6 Inch Fiberglass Extended Conversion Kit, designed to combine space, style, and durability. This kit includes pre-assembled fiberglass panels with a sound deadening core, a window, OEM upholstery, and diamond plate tool tray, offering both practicality and visual appeal. CNC-cut and drilled panels align perfectly with the factory rivet line for a flawless installation. Finished in Class A gel coat, the kit delivers strength and professional aesthetics. Complete with hardware and sealer, it's a ready-to-install solution for enhanced cab comfort and functionality.

* High Quality Extended Day Cab Conversion Kit
* 6 Inch Cab Extender
* Unibilt XL Standard
* Pre-Assembled Fiberglass Panel
* Window Included
* Pre-Installed Sound Deadening Core
* CNC Cut And Drilled For Precision Fit To Factory Rivet Line
* Class A Gel Coat Finish
* OEM Upholstery And Diamond Plate Tool Tray
* Hardware And Sealer Included
* Sold As Kit
* Warranty On Extended Day Cab Conversion Kits Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM)**** Replaces OE #s 178121 ST166044 ST 198437 166044 ST178121 198437 ST198437 ST166044 198437 631GC5127AM3 631GC5127AM3X 631GC5127M3 478121

** This Item Ships Direct From The Manufacturer And Will Arrive In A Separate Package And Possibly A Different Time Than The Balance Of Your Order **