Includes auto-manual locking hubs and rotary control on instrument panel.

Control code for units either shipped to California Emissions States dealers or ordered by California Emissions States dealers for registration in non-California States locations. Note, in Maine, Rhode Island, and Vermont dealers cannot order vehicles for customers in non-California Emission States locations (except Public Service/Emergency Vehicles-936).

Standard only in AK, CO, IA, ID, ME, MI, MN, MT, ND, NH, NY, SD, VT, WI, and WY states.

After a predetermined period, the engine PCM automatically shuts down the engine and triggers the accessory module to shutdown power to the accessories to minimize battery drain. No cost option in CA, CT, DE, GA, ME, NJ, NY, NC, and PA.

Only available on units sold for authorized public service or emergency service use. Must also use Code 423 when ordering.

Federal dealers ordering vehicles with code 422 are required to also use code 93N to attest that the vehicle is being sold/delivered to a customer intending to register the vehicle in a California-Emissions or Cross-Border State. It is a violation of federal law for a Federal State dealer to sell a vehicle with code 422 (California Emissions System) unless the vehicle will be registered in a California-Emissions or Cross-Border State.

Includes a total of 357-amps.

Allows driver to manually engage diesel particulate filter regeneration at idle.

Includes hardened engine intake valves, valve seats, and bi-fuel manifold. Does not include CNG/LPG fuel tanks, lines, etc. Vehicle will be equipped with the standard factory gasoline fuel system. It is the responsibility of the final stage manufacturer to determine that any vehicle converted to use CNG or LPG complies with U.S. Federal, California or Canadian exhaust and evaporative emission requirements, Federal fuel economy standards, U.S. and Canadian safety standards, labeling, and any other requirements.

Includes transfer case and fuel tank skid plates.

Includes Tailgate Assist, step and a flip up grab bar.

Includes front and rear splash guards.

Includes 9.5 ft. rugged retractable cable that helps deter theft and secure personal items in the bed of the truck.

Includes tailgate guard, black box bed tie down hooks, and black bed attachment bolts.

Includes 156.2 inch wheelbase, and 6.8 ft. short bed.

Deletes spare tire, jack and frame-mounted carrier.

Deletes manual telescoping trailer tow mirrors.

Includes privacy glass.

Includes reverse camera mounted to tailgate handle bezel and video display contained in interior self-dimming rear-view mirror.

Requires valid FIN code.

Requires valid FIN code.

Includes AM/FM radio, single disc CD player, MP3 playback capability, 4 speakers, auxiliary input jack, clock, and MyKey.

Includes chrome front and rear step bumper, and bright chrome hub covers with center ornaments. (Excludes rear bumper when ordered with 66D Pickup Box Delete.)

Includes voice-activated communications and entertainment system with 911 assist, VHR, traffic, directions and information services, USB port, AppLink, and compass in cluster.

Includes 6 inch, black molded-in-color running boards.

Includes four (4) switches located on the instrument panel that can be used to control aftermarket features such as snow plows, auxiliary lights, etc.

Includes fully integrated, voice activated, customizable communications and entertainment system for Bluetooth-compatible cellphones and digital media players. Includes USB port and AppLink, which provides control of certain smart phone applications like Pandora using SYNC voice commands.

Includes 10,000 lb. Gross Vehicle Weight Rating.

Includes accessory delay, power door locks, remote keyless entry, perimeter anti-theft alarm, power front and rear windows, one-touch driver side window, heated manual telescoping trailer tow mirrows with power glass, heated convex spotter mirror, and integrated clearance lamps and turn signals. Deletes passenger side lock cylinder.

Includes computer pre-selected springs, 67D Extra Heavy Duty Alternator with Power Stroke diesel engine, or heavy duty alternator with gas engine.

Includes heavy service front springs (1 Up upgrade above the spring computer selected as a consequence of options chosen. Not included if maximum springs have been computer selected as standard equipment), rear stabilizer bar, and slide-in camper certification.

Includes AM/FM stereo, single disc CD player, MP3 player, 4 speakers, clock, cruise control, chrome front and rear step bumper, bright chrome hub covers and center ornaments, and MyKey. Does not include rear bumper when ordered with 66D Pickup Box Delete.

Includes hill descent control, transfer case and fuel tank skid plates, colored front and rear Rancho branded shocks, and unique FX4 Off Road box decal.

Includes cloth 40/mini-console/40 high back bucket front seats.

Includes cloth 40/20/40 split bench front seat.

Includes heavy duty vinyl 40/20/40 split bench front seat with center armrest, cupholder, and storage.

Includes heavy service front springs (1 up upgrade above the spring computer selected as a consequence of options chosen. Not included if maximum springs have been computer selected as standard equipment). Note: May result in deterioration of ride quality. Vehicle ride height will increase with the addition of this package. Recommended only on vehicles which will permanently utilize aftermarket equipment.

Includes onboard device that tracks vehicle location, speed and idle time with optional vehicle diagnostics and maintenance reports. Powered by Telogis. Includes one year of Crew Chief service.

Includes spare tire.

Includes all-terrain BSW spare tire.

Includes spare tire.

Includes four 18 inch argent painted steel wheels with painted hub covers and center ornaments.

Includes all-terrain spare tire.

Includes 6-spoke wheels with bright hub covers and center ornaments.

Includes one frame under-bed cross member, five pickup bed attachment points with plugs, and one integrated 7-pin connector on drivers side pick-up bed wall.

Compatible with select electric over hydraulic brakes. 7 and 4-way combo trailer tow socket and bracket deleted with 66D Pickup Box Delete.