Mechanical- Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver side of radiator tank
- Transmission, 4-speed automatic, heavy-duty, electronically controlled with overdrive, tow/haul mode and (KNP) Cooling, external transmission oil cooler (Requires (LQ4) Engine, Vortec 6000 V8 SFI. - When (Z82) Trailering equipment, heavy-duty is ordered, transmission temperature gauge is included. - Standard with Extended and Crew Cab Models only)
- 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)
- 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
- Frame, hydroformed
- 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
- Tires, LT245/75R16E, all-season, blackwall (Includes 5 tires with (E63) Pickup bed, Wideside box. - Includes 4 tires with (ZW9) Pickup bed, delete)
- Tire carrier, outside spare, winch-type mounted under frame at rear
- Steering, power
- Brakes, 4-wheel antilock, 4-wheel disc
- Exhaust, aluminized stainless-steel muffler and tailpipe
- Tools, mechanical jack and wheel wrench located in back of cab
Exterior- Paint, solid
- Air dam, Gray
- Wheel flares, front and rear (See Color & Trim section for available colors. Front only when (ZW9) Pickup bed, delete is ordered)
- Headlamps, dual halogen composite, includes flash-to-pass feature and automatic lamp control
- Daytime running lamps, includes automatic exterior lamp control
- Lamps, dual cargo area lamps
- Wipers, intermittent, front, wet-arm with pulse washers
- Tailgate protection, top of tailgate protection cap (Not available with (ZW9) Pickup bed, delete)
Interior- Seats, rear bench, folding, 3-passenger (includes top tethers and lower anchors for child seat) (Not available with Regular Cab Models)
- Steering column, Tilt-Wheel, adjustable, includes brake/transmission shift interlock
| - Theft-deterrent system, PASSlock II
- Instrumentation, analog, includes speedometer, odometer with trip odometer, fuel level, voltmeter, engine temperature, oil pressure and tachometer
- Warning tones, headlamp on, key-in-ignition, driver and passenger buckle up reminder, turn signal on
- 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
- 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)
- Lighting, dome lamp, reading, backlit instrument panel switches and door handle-activated illuminated entry
- Coat hook, driver side (Also includes passenger side coat hook on Extended and Crew Cab Models)
Safety- Brakes, 4-wheel antilock, 4-wheel disc
- 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)
- Daytime running lamps, includes automatic exterior lamp control
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