KYB SB162 Suspension Strut Bellows - Rear

KYB Rear Strut Boot for Mazda CX-30 and Mazda 3

KYB SB162 is a rear suspension strut bellows that shields the strut shaft from dirt, dust, sand, salt, and other road debris. By covering the polished shaft and seal area, it helps reduce abrasive wear and supports longer strut service life.

• Fits 2021-2022 Mazda CX-30, rear
• Fits 2019-2020 Mazda 3, rear
• Fits 2020 Mazda CX-30, rear
• Durable plastic bellows covers the strut shaft
• Includes a poly foam travel-limiting bumper
• Helps protect the strut from bottoming out and extreme movement damage

Product Details

The KYB Strut Boots line focuses on protecting suspension struts from contamination and impact-related wear. SB162 is built for rear applications on the Mazda CX-30 and Mazda 3, where road splash and debris can accelerate seal and bushing wear. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems It Addresses

• Strut shaft wear from dirt and grit
• Seal damage from road salt and debris
• Premature bushing wear caused by contamination
• Bottoming-out impact on the strut assembly
• Damage from excessive suspension travel

Installation Notes

Install on the rear strut assembly and verify the boot seats fully over the shaft and bumper area. Inspect the strut, mount, and surrounding suspension components before reassembly, and replace worn parts as needed to restore proper protection.

Quality Assurance

KYB is a suspension-focused brand known for OE-style replacement components. Part number SB162 is built for direct-fit rear applications listed above and follows KYB’s strut protection design standards.