KYB 3440083 Suspension Shock Absorber - Rear

KYB Excel-G Rear Shock Absorber for Toyota

KYB Excel-G 3440083 is a rear suspension shock absorber built to restore original ride control, stability, stopping response, lane-change responsiveness, and handling. It is a direct OE-style replacement for select Toyota Prius, Corolla, Prius Prime, and Prius AWD-e applications.

Excel-G OE Replacement Design

The Excel-G line is KYB’s original-equipment aftermarket offering, produced on the same KYB OE assembly lines and calibrated to return the vehicle to its designed performance. This KYB 3440083 uses a nitrogen gas-charged, twin-tube design with OE-quality components for consistent damping on the rear suspension.

• Part number: 3440083
• Brand line: Excel-G
• Rear shock absorber for suspension service
• Compressed length: 13.93 in.
• Extended length: 19.57 in.
• Stroke length: 5.64 in.
• Lower mount type: E2 (16.1x50)
• Upper mount type: S1 (12MM)

Vehicle Fitment

• Fits 2016-2026 Toyota Prius, Rear; Recommended OEM Replacement; Excel-G
• Fits 2019-2025 Toyota Corolla, Rear; Recommended OEM Replacement; Excel-G
• Fits 2017-2024 Toyota Prius Prime, Rear; Recommended OEM Replacement; Excel-G
• Fits 2019-2022 Toyota Prius AWD-e, Rear; Recommended OEM Replacement; Excel-G

This part cross-references Monroe Shocks & Struts 5544 for the same application.

What It Helps Address

• Excessive rear bounce after bumps
• Reduced stability during braking and cornering
• Loose or unsettled rear suspension feel
• Delayed response during lane changes
• Uneven ride control from worn shock absorber damping

Installation Notes

Verify rear fitment by year, model, and mounting style before installation. Compare the compressed length, extended length, stroke length, and mount types to the original shock absorber to confirm proper replacement. This KYB 3440083 is a rear application for Toyota Prius, Corolla, Prius Prime, and Prius AWD-e models listed above.

Quality Assurance

KYB is a major OE shock and strut supplier, and the Excel-G line is built to OE specifications on KYB production lines using OE-quality components. That OE-focused construction supports consistent replacement performance for the rear suspension.