KYB Suspension Strut and Coil Spring Assembly P/N:SR4545
Restore rear ride height and factory-style control with the KYB Strut-Plus Suspension Strut and Coil Spring Assembly SR4037, a complete corner unit that combines the strut, mount and spring in one pre-assembled package. It installs as a direct-fit REAR replacement for the 2004-2005 Chevrolet Classic, 1998-2003 Chevrolet Malibu, 1999-2004 Oldsmobile Alero, 1998-1999 Oldsmobile Cutlass, and 1999-2005 Pontiac Grand Am — see the Buyer's Guide tab for engine-specific coverage.
As an original-equipment supplier, KYB engineers the Strut-Plus to help restore your vehicle's handling and control. Because it arrives assembled, no spring compressor is required for installation.
Sold individually; order two for a complete rear-axle replacement.
Interchange: G56928 · 171686
This part cross-references / interchanges with the following part numbers:
What comes in this assembly?
It's a complete rear corner unit — the KYB Excel-G strut, the mount, and a high-carbon steel coil spring — pre-assembled into one bolt-in package.
Which vehicles does the SR4037 fit?
The 2004-2005 Chevrolet Classic, 1998-2003 Chevrolet Malibu, 1999-2004 Oldsmobile Alero, 1998-1999 Oldsmobile Cutlass, and 1999-2005 Pontiac Grand Am. Check the Buyer's Guide tab to confirm your vehicle.
Is this a front or rear unit?
This is a REAR strut and coil spring assembly. Confirm the application in the Buyer's Guide tab before ordering.
Do I need a spring compressor to install it?
No. Because the strut, mount, and spring arrive pre-assembled, no spring compressor is required for installation.
Should I replace both sides at once?
It's sold individually, so order two to service the full rear axle. Replacing both sides together helps keep ride height and handling balanced.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.