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

Required on units with GVWR of 14,000 lbs. or less for California, Connecticut, Massachusetts, Maryland, Maine, New Mexico, New York, Oregon, Rhode Island, and Vermont registration. Optional for Cross-Border Sates (Arizona, Colorado, Delaware, Idaho, Nevada, New Hampshire, New Jersey, Pennsylvania, Oklahoma, Texas, Utah, Virginia, Washington, and West Virginia).

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).

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

Includes a total of 357-amps.

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.

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.

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

Includes front and rear splash guards.

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

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

Includes transfer case and fuel tank skid plates.

Includes 16K trailer hitch receiver (trailer tow ratings are still limited to a max of 12.5K). Deletes pickup box and tie-down hooks, tailgate, bodyside moldings, rear bumper, spare tire, wheel carrier and jack, and 7 and 4 way combo trailer tow socket and bracket when ordered with Trailer Brake Controller 52B. For vehicles built on or after 1/9/12, includes 17.5K trailer hitch receiver.

Includes 172.4 inch wheelbase, and 8 ft. long bed.

Deletes manual telescoping trailer tow mirrors.

Requires valid FIN code.

Includes privacy glass.

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

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

Requires valid FIN code.

Deletes spare tire, jack and frame-mounted carrier.

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 heavy service front springs (200 lbs. 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 rear auxiliary springs.

Includes a jack used to lift the vehicle for repairs.

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 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 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 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 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, slide-in camper certification and rear auxiliary springs.

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

Includes 9,900 lb. Gross Vehicle Weight Rating.

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

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

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

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 four 17 inch 5-spoke cast aluminum wheels with bright hub covers and center ornaments.

Includes spare tire.

Includes all-terrain BSW spare tire.

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.