KYB 14-18 Mazda 3 Excel-G Shock Assembly - Rear - SA1014

The KYB SA1014 Excel-G Rear Shock Assembly is a purpose-built OE-upgrade shock designed specifically for the 2014–2018 Mazda 3. If your Mazda 3's rear suspension feels loose, bouncy, or just not as controlled as it once was, the Excel-G is engineered to restore — and subtly improve upon — the ride quality and handling your car delivered from the factory. As a complete shock and mount assembly, it simplifies the replacement process and delivers a refined driving experience for daily drivers and commuters alike.

Key Features & Benefits

• Nitrogen Gas-Charged Twin-Tube Design: Consistent damping performance that reduces fade and restores the smooth, stable ride your Mazda 3 was built to deliver, even over repeated bumps and rough road surfaces.
• Upgraded Valving and Materials vs. Standard OEM: Manufactured on the same production lines as original equipment but with upgraded valving and materials, making this a step up from factory-grade shocks rather than a direct like-for-like swap.
• Hand-Assembled Damping Valves: Each valve is assembled in a controlled environment for precise regulation of tire movement and body motion — translating to more predictable cornering and braking response.
• Triple Chrome-Plated Piston Rod: Reduces seal wear over time and contributes to the long-term durability of the shock, helping the unit hold up through years of use.
• Sintered Iron Rod Guide: Maintains proper internal alignment so the shock performs consistently and your Mazda 3 handles predictably in a variety of driving conditions.
• Seamless Steel Inner Cylinder: Eliminates fluid bypass that can occur with welded tubing, enhancing overall durability and damping consistency throughout the shock's service life.
• Thick, Rigid Strut Body and Brackets: Reduces flex under load to maintain wheel alignment and deliver consistent, safe performance — important for everyday highway and urban driving.
• Supports Electronic Safety Systems: By restoring original handling characteristics, the Excel-G helps ensure that your Mazda 3's stability control, ABS, and other active safety systems operate as intended.
• Complete Shock and Mount Assembly: Comes as a ready-to-install assembly, reducing labor time compared to rebuilding individual components.

Specifications

• Brand: KYB
• Part Number: SA1014
• SKU: KYBSA1014
• UPC: 197244043457
• Type: Excel-G Shock and Mount Assembly
• Design: Nitrogen gas-charged twin-tube
• Position: Rear
• Drive: FWD (Front-Wheel Drive)
• Proposition 65: N/A (per product listing)

Fitment

The KYB SA1014 is confirmed to fit the following 2014–2018 Mazda 3 front-wheel-drive configurations:

• 2017–2018 Mazda 3 Grand Touring
• 2014–2016 Mazda 3 (multiple trims — see fitment notes below)
• 2016–2017 Mazda 3 G (FWD)

Always verify your specific trim and drivetrain before ordering. This part is listed for FWD models; if your Mazda 3 is equipped with all-wheel drive or a different suspension configuration, confirm compatibility before purchasing. Not sure if this fits your exact build year and trim? Contact the ThreePiece.us team for expert fitment assistance before you order.

What's in the Box

• 1x KYB Excel-G Rear Shock and Mount Assembly (SA1014)

Note: Sold individually. For a full rear suspension refresh, two units will be needed (one per side). Verify quantity needed for your application.

Why Buy from ThreePiece.us

At ThreePiece.us, we make it easy to get the right suspension parts the first time. Our team is available to help confirm fitment for your specific Mazda 3 trim and model year before you check out — saving you time and hassle. Every order ships free, no minimum required. And if you'd prefer to spread out the cost, Affirm financing is available at checkout so you can get your Mazda back on the road now and pay over time. We stock genuine KYB parts so you're getting the real thing, with the quality and engineering reputation KYB is known for.

Frequently Asked Questions

Q: Does this fit both the driver and passenger rear positions?
A: The KYB SA1014 is listed as a rear shock assembly. Multiple listings confirm it fits the rear driver or passenger side of FWD 2014–2018 Mazda 3 models. If you need both sides replaced, you will need to order two units.

Q: Is this a direct bolt-on replacement or will modifications be needed?
A: The Excel-G SA1014 is engineered as an OE-style replacement assembly for the 2014–2018 Mazda 3 (FWD). It is designed to install using your vehicle's existing mounting points without requiring modifications. Always consult a qualified technician if you are unsure about your specific vehicle's configuration.

Q: How is the Excel-G different from a standard OEM shock?
A: According to KYB, the Excel-G line is manufactured on the same production lines as original equipment shocks but uses upgraded valving and materials. The result is a shock intended to meet or exceed OEM performance standards rather than simply matching them.

Q: Will this work on an AWD Mazda 3?
A: The SA1014 is specifically listed for FWD (front-wheel-drive) Mazda 3 models. If your Mazda 3 is AWD, please contact us before ordering so we can help confirm the correct part for your drivetrain.