KYB SM5974 Suspension Strut Mount Kit - Rear

KYB Rear Strut Mount Kit for Tahoe, Yukon, Escalade ESV

KYB SM5974 is a rear suspension strut mount kit for select 2021-2023 Chevrolet Tahoe, GMC Yukon, GMC Yukon XL, and 2021-2022 Cadillac Escalade ESV models without air springs. It replaces worn mount components that can transmit vibration, noise, and harshness into the cabin.

Key Features

• OE-quality replacement strut mount components from KYB Mount Components
• Helps isolate road impact and reduce vibration transfer at the rear suspension
• Supports quieter operation by replacing hardened vibration insulators
• Built for rear suspension applications on select full-size SUVs
• Part number SM5974 for application-specific ordering and lookup

Application Details

Fits 2021-2023 Chevrolet Tahoe, rear, w/o Air Springs; Mount Components. Fits 2021-2023 GMC Yukon, rear, w/o Air Springs; Mount Components. Fits 2021-2023 GMC Yukon XL, rear, w/o Air Springs; Mount Components. Fits 2021-2022 Cadillac Escalade ESV, rear, w/o Air Springs; Mount Components. This part cross-references 84477438 for the same application.

What It Helps Address

• Rear suspension noise from worn mount insulators
• Excess vibration felt through the body or cargo area
• Harshness over bumps caused by deteriorated mount material
• Reduced suspension isolation on high-mileage vehicles
• Fitment-specific replacement needs for Tahoe, Yukon, Yukon XL, and Escalade ESV

Installation Notes

Verify rear suspension configuration before ordering; this part is for vehicles without air springs. Match the part number SM5974 to the vehicle application and inspect surrounding suspension components during service. Professional installation is recommended when replacing strut mount components.

Quality Assurance

KYB designs Mount Components as OE-style replacement parts for specific applications, with attention to steering and suspension performance. Front bearing plates are critical to steering and alignment on applicable designs, and KYB’s mount and bearing plate line is known for application-specific fit and function.