Buy 2018 Gmc Yukon XL Denali Sport Utility 6.2L EcoTec3 V8 A/T 4WD Coil Spring Insulator (Front, Lower) - OEM Gmc Part # 15808594

Insulator. Spring.
Coil Spring Insulator. Spare. Coil. Dust cover. Retainer. Seat. Strut.

Coil Spring Insulator

2WD. 2WD, 1/2 TON. 2WD, w/o magneride. 2WD, W/O MAGNETIC RIDE CONTROL. 4WD. 4WD, 1/2 TON. 4WD, w/o magneride. 4WD, W/O MAGNETIC RIDE CONTROL. Avalanche, Escalade EXT; Lower. Escalade ESV; Lower. Sierra, Silverado; w/o Magnetic Ride Control. Silverado, Sierra Hybrid; Lower. Silverado, Sierra; Lower. Tahoe, Yukon, Escalade; Lower. Tahoe, Yukon, Escalade; w/o Magneride. Yukon XL, Suburban; Lower.
Suspension Coil Spring - Repair or Replace
Your coil springs are not especially prone to failure, but if they have been cut, clamped, or heated to have the vehicle lowered, your 2018 GMC Yukon XL might benefit from replacing the strut springs. Excessive rust can make the springs more prone to failure. Contact your local GMC service department to have your suspension system evaluated.