2009 GMC Sierra

Suspension

wipers$comma front intermittent wet-arm with pulse washers

transfer case$comma electronic shift with rotary dial controls (requires 4wd models)

tire carrier$comma outside spare$comma winch-type mounted under frame at rear (orders with (zw9) pickup box delete will not include a spare tire carrier unless a spare tire is ordered.)

tires$comma lt265/70r17e all-terrain$comma blackwall (requires (n89) 17"""" x 7.5"""" (43.2 cm x 19.1 cm) 8-lug bright machined aluminum wheels. includes 4 tires and (zer) lt265/75r16 on-/off-road bla

trailer brake controller$comma integrated (with (e63) wideside pickup box$comma included and only available with (z82) heavy-duty trailering equipment. available as a free flow option with (zw9) picku

trailering equipment$comma heavy-duty includes trailering hitch platform and 2.5-inch receiver with 2"""" adapter$comma 7-wire harness (harness includes wires for: park lamps$comma backup lamps$comma

wheels$comma 4-17"""" x 7.5"""" (43.2 cm x 19.1 cm) 8-lug bright machined aluminum includes 16"""" (40.6 cm) steel spare wheel (spare wheel will not cosmetically match the other 4 wheels) spare not in

xm radio. xm radio includes 3 trial months of service. xm turns your world on with commercial-free music channels from rock to jazz$comma country to classical$comma latin pop to hip hop$comma and virt