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

Includes power telescoping, power folding trailer tow mirrors with power and heated glass, heated convex spotter mirror, integrated clearance lights and turn signals.

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

Includes rear splash guards.

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.

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

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

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), and slide-in camper certification.

Includes 6-way power driver seat, power adjustable pedals, automatic rain-sensing headlamps, automatic lock and unlock, and SecuriCode keyless entry keypad on driver side.

Includes chrome exhaust tip, tow hooks, and mirror caps, chrome pickup bed tie-down hooks (not included when ordered with 85S ToughBed), 6 inch angular chrome step bars, automatic rain-sensing headlamps, automatic lock and unlock, electrochromatic mirror, fog lamps, LCD productivity screen, power adjustable pedals, 6-way power adjustable driver seat, SecuriCode keyless entry keypad on driver side, steering wheel controls, and SYNC. Deletes passenger side lock cylinder.

Includes 6-way power driver seat, power adjustable pedals, automatic rain-sensing headlights, automatic lock and unlock, driver side SecuriCode keyless-entry keypad, fog lamps, SYNC, and steering wheel controls.

Includes chrome exhaust tip, tow hooks, and unique mirror caps, chrome pickup bed tie-down hooks (not included when ordered with 85S Tough Bed), and 6 inch angular chrome tubular step bars.

Includes privacy glass, and sunvisors with illuminating mirrors.

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

Includes luxury cloth 40/console/40 front seat with 6-way power driver seat.

Includes cloth 40/20/40 split bench front seat, 20 percent under-seat storage, 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 BSW all-terrain inner and spare tires.

Includes four 17 inch forged polished aluminum wheels with bright hub covers and center ornaments.

Includes 17 inch front and rear stainless steel wheel covers.

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.

Includes 25k rated hitch.