Compatible with Nissan Altima 02-06; Comparable with Nissan Maxima 04-08 Safe and Easy to Install Fully Loaded Complete Unit Guranteed Fit and Function Nitrogen Gas Charged Strut with 4 Lip Teflon Banded Piston Seal Spring Seats Insulated to Springs to Ensure Quiet and Comfortable Ride Quality DTA D171427 complete strut assembly is a ready to install OE replacement Quick Strut. Each unit features a pre-assembled replacement bearing plate, upper and lower spring isolators, upper spring seat, coil spring, boot kit, and strut. This fully integrated design reduces installation time, eliminates the need for a spring compressor and helps ensure a complete repair. The strut features nitrogen gas charging, multi-staging valving and all-weather fluid to deliver a quiet and comfort ride experience. DTA ride control products are ISO16949, TS2002, TUV and SUD certified with 3 years / 36000 miles limited product warranty.