2005 GMC Sierra 2500HD Ext Cab 157.5" WB 4WD

Engine, Vortec 6000 V8 SFI (300 HP [223.8 kW] @ 4400 rpm, 360 lb.-ft. [486.6 N-m] @ 4000 rpm)

Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver side of radiator tank

Cooling, internal transmission oil cooler, water-to-oil, integral to driver side of radiator tank (Included and only available with (MT1) Transmission, 4-speed automatic, heavy-duty and (M74) Transmission, Allison 1000 5-speed automatic)

Cooling, external transmission oil cooler, auxiliary, heavy-duty air-to-oil (Included and only available with (MT1) Transmission, 4-speed automatic, heavy-duty and (M74) Transmission, Allison 1000 5-speed automatic)

Transfer case, floor-mounted shifter (Requires 4WD Models and (AE7) Seats, front 40/20/40 split-bench)

Four wheel drive

Rear axle, 4.10 ratio

Battery, heavy-duty, 600 cold-cranking amps, includes rundown protection and retained accessory power (Not standard with (LLY) Engine, Duramax 6600 Turbo Diesel V8)

Alternator, 105 amps

Pickup bed, Wideside box (May be substituted with (ZW9) Pickup bed, delete on T*259*3 Models)

Frame, hydroformed

Recovery hooks, front, frame-mounted (Standard on 4WD Models only)

GVWR, 9200 lbs. (4173 kg) (Must specify on TC25903, TK25753 and T*25743 Models)

Suspension Package, Handling/Trailering, heavy-duty includes 36mm piston monotube shocks

Suspension, front, independent torsion bar, and stabilizer bar

Suspension, rear, semi-elliptic 2-stage multi-leaf springs

Wheels, 4 - 16" x 6.5" (40.6 cm x 16.5 cm) 8-lug chrome-styled steel, includes chrome center caps and steel spare

Tire carrier, outside spare, winch-type mounted under frame at rear

Steering, power

Exhaust, aluminized stainless-steel muffler and tailpipe

Tools, mechanical jack and wheel wrench located in back of cab

Paint, solid

Bumper, front, chrome (Includes Gray lower with Work Truck or Base Models)

Bumper, rear, chrome step, includes pad (Not available with (ZW9) Pickup bed, delete)

Air dam, Gray

Moldings, bodyside (Moldings are Black. Not available with (ZW9) Pickup bed, delete)

Wheel flares, front and rear (See Color & Trim section for available colors. Front only when (ZW9) Pickup bed, delete is ordered)

Grille, chrome surround

Lamps, dual cargo area lamps

Mirrors, outside rearview, foldaway, manual, Black, adjustable

Glass, Solar-Ray light tinted, all windows

Windows, rear quarter swing-out (Standard with Extended Cab Models only)

Wipers, intermittent, front, wet-arm with pulse washers

Tailgate protection, top of tailgate protection cap (Not available with (ZW9) Pickup bed, delete)

Seats, rear bench, folding, 3-passenger (includes top tethers and lower anchors for child seat) (Not available with Regular Cab Models)

Floor covering, color-keyed carpeting and rubberized vinyl floormats (with Extended and Crew Cabs, includes rear floormats) (May be substituted with (PDP) Floor covering, Graphite-colored rubberized vinyl)

Steering column, Tilt-Wheel, adjustable, includes brake/transmission shift interlock

Steering wheel, includes theft-deterrent locking feature

Theft-deterrent system, PASSlock II

Instrumentation, analog, includes speedometer, odometer with trip odometer, fuel level, voltmeter, engine temperature, oil pressure and tachometer

Driver Information Center, includes trip odometer and message center (monitors numerous systems depending on vehicle equipment level including low fuel, turn signal "on", transmission temperature, low engine coolant level, and oil change notification)

Warning tones, headlamp on, key-in-ignition, driver and passenger buckle up reminder, turn signal on

Cruise control, electronic with set and resume speed, includes telltale in instrument panel cluster

Air conditioning, dual-zone, manual, individual climate settings for driver and right front passenger

Sound system feature, 4-speakers

Cupholders, front (Also includes rear cupholders on Extended and Crew Cab Models)

Cigarette lighter, on instrument panel

Power outlets, auxiliary, covered, 2 dash-mounted, 12-volt

Headliner, Shale-colored cloth, with matching retainer moldings

Mirror, inside rearview, manual day/night

Visors, padded, Shale-colored, driver and passenger side with cloth trim, extenders, pocket on driver side and vanity mirror on passenger side

Assist handle, front passenger (Also includes rear outboard passenger assist handle on Extended and Crew Cab models)

Door trim, side reflectors

Coat hook, driver side (Also includes passenger side coat hook on Extended and Crew Cab Models)

Air bags, frontal, driver and right front passenger (Regular and Extended Cab Models includes passenger side deactivation switch. - Always use safety belts and proper child restraints, even with air bags. Children are safer when properly secured in a rear seat. See the Owner's Manual for more safety information)