Your search for "1998 gmc yukon sle" revealed the following:

Fox Mono Tube Front Shock 980-24-663
FOX 2.0 Performance Series Shock Front 0-1IN Lift - Trucks - 980-24-663 FOX 2.0 Performance Series Shock Front 0-1IN Lift - Trucks - 980-24-663
Call for Pricing
Bushwacker 48514 Image 1 GarageMAD4X4
Bushwacker Chevrolet / GMC Smoothback Ultimate BedRail Cap w/o Stake Pocket - 48514 Bushwacker Chevrolet / GMC Smoothback Ultimate BedRail Cap w/o Stake Pocket - 48514
Call for Pricing
Bushwacker 40014-01 Image 1 GarageMAD4X4
Bushwacker Chevrolet/GMC Extend-A-Fender Rear Flares (Paintable) - 40014-01 Bushwacker Chevrolet/GMC Extend-A-Fender Rear Flares (Paintable) - 40014-01
Call for Pricing
Bushwacker 14065 Rocker Panel & Sill Plate Guard Set Side Set Textured Style Image 1 GarageMAD4X4
Bushwacker Sierra/Silverado Trail Armor Rocker Panel and Sill Plate Protector (Black Plastic) - 14065 Bushwacker Sierra/Silverado Trail Armor Rocker Panel and Sill Plate Protector (Black Plastic) - 14065
Call for Pricing
Bushwacker 48524 Image 2 GarageMAD4X4
Bushwacker GMC Smootback Ultimate BedRail Cap w/o Stake Pocket - 48524 Bushwacker GMC Smootback Ultimate BedRail Cap w/o Stake Pocket - 48524
Call for Pricing
Bushwacker 48503 Image 2 GarageMAD4X4
Bushwacker Chevrolet / GMC Smoothback Ultimate BedRail Cap w/Stake Pocket - 48503 Bushwacker Chevrolet / GMC Smoothback Ultimate BedRail Cap w/Stake Pocket - 48503
Call for Pricing
Bushwacker 49514 Image 2 GarageMAD4X4
Bushwacker Chevrolet / GMC Diamondback Ultimate BedRail Cap w/o Stake Pocket - 49514 Bushwacker Chevrolet / GMC Diamondback Ultimate BedRail Cap w/o Stake Pocket - 49514
Call for Pricing