HomeSuspension > Shocks and StrutsKYB SB146 Suspension Strut Bellows - Rear
Part #: SB146

KYB SB146 Suspension Strut Bellows - Rear

Boot Kits, Rear
⚙️ 21 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$53.43Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Boot Kits, Rear
🚗Fitment: Mazda, 6, CX-3, and CX-5
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Suspension Protection for Mazda Vehicles

The KYB Strut Boots SB146 provide essential protection for the suspension struts on select Mazda models. Designed to shield the strut assembly from dirt, debris, and moisture, these suspension strut bellows help maintain optimal performance and extend the life of your vehicle's suspension components.

  • Durable suspension strut bellows designed for Mazda 6, CX-3, and CX-5
  • Protects strut shafts from contaminants and damage
  • Part number SB146 ensures precise fitment and compatibility
  • Part of the KYB Strut Boots product line, engineered for suspension protection
  • Compatible with specific Mazda models for accurate replacement

About the KYB Strut Boots Product Line

The KYB Strut Boots line focuses on providing high-quality protective bellows for suspension struts. These boots are engineered to prevent dirt, water, and road debris from damaging the strut shaft and seals, which can lead to premature wear or failure. The SB146 is part of this line, offering a reliable solution tailored for Mazda vehicles to help maintain suspension integrity and performance.

Product Details and Compatibility

The KYB SB146 suspension strut bellows are specifically designed for use with Mazda 6, CX-3, and CX-5 models. These strut boots fit precisely to ensure effective protection of the strut assembly. By preventing contaminants from reaching the strut shaft, the SB146 helps reduce the risk of corrosion and seal damage, which can compromise suspension function and ride quality.

Common Suspension Issues Addressed

  • Prevents dirt and debris from damaging strut shafts
  • Reduces risk of moisture-induced corrosion on suspension components
  • Helps avoid premature strut seal wear and fluid leaks
  • Maintains smooth suspension operation and ride comfort
  • Protects against road grime and environmental exposure

Installation Notes and Tips

When installing the KYB SB146 strut boots, ensure the suspension is safely supported and the strut assembly is clean before fitting the boot. Proper alignment and secure placement are critical to maximize protection. It is recommended to inspect the strut and related components for wear or damage during installation and replace any compromised parts as needed.

Quality Assurance and Warranty

KYB manufactures the SB146 strut boots to meet strict quality standards for durability and fitment. While specific warranty details are not provided, KYB products are generally backed by manufacturer warranties covering defects in materials and workmanship. Using genuine KYB parts helps ensure reliable suspension protection for your Mazda 6, CX-3, or CX-5.

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
2024MazdaCX-5RearBoot Kits
2023MazdaCX-5RearBoot Kits
2022MazdaCX-5RearBoot Kits
2021Mazda6RearBoot Kits
2021MazdaCX-5RearBoot Kits
2020Mazda6RearBoot Kits
2020MazdaCX-3RearBoot Kits
2020MazdaCX-5RearBoot Kits
2019Mazda6RearBoot Kits
2019MazdaCX-3RearBoot Kits
2019MazdaCX-5RearNew Part Number, Available 3rd Quarter; Strut Boots
2018Mazda6RearBoot Kits
2018MazdaCX-3RearBoot Kits
2018MazdaCX-5RearNew Part Number, Available 3rd Quarter; Strut Boots
2017MazdaCX-3RearBoot Kits
2017MazdaCX-5RearFROM 10-1-2017; New Part Number, Available 3rd Quarter; Strut Boots
2016MazdaCX-3RearBoot Kits
2016MazdaCX-5RearBoot Kits
2015MazdaCX-5RearBoot Kits
2014MazdaCX-5RearBoot Kits
2013MazdaCX-5RearBoot Kits

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.