KYB
Excel-G

KYB 344450 Shock Absorber - Rear

Brand KYB 667-522
Color Silver
End 1 Fitting Gender Female
End 1 Fitting Thread Diameter 0.44
End 1 Gender Female
End 2 Fitting Thread Diameter 0.43
End 2 Gender Female
Fitting Color Silver
Fitting Material Steel
Inlet Fitting Type Male
Inside Diameter 0.21
Length 6.0
Material Steel
Outlet Fitting Type Male
Outside Diameter 0.31
Package Contents 1 Coolant Line; 2 Fittings
Shape Molded Assembly
Threaded Fittings Yes
Product line Excel-G
Fits —5 vehicles

OE replacement choice. Restores original control and handling without changing the designed performance.

Twin-tube design. Nitrogen gas-charged construction helps deliver consistent damping.

Triple-lip fluid seal. Helps reduce the chance of oil and gas leakage.

Cross-references Gabriel G51802 and Monroe Shocks & Struts 5600 for the same application. See all 2.

$55.66Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Shock Absorbers are typically replaced in pairs, axle by axle.
Order total $55.66
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

KYB Excel-G Rear Shock for Maxima

The KYB Excel-G 344450 is a rear suspension shock absorber engineered to restore original ride control on the 2004-2008 Nissan Maxima. Built on KYB OE assembly lines with OE-quality components, it is calibrated to return factory handling, stability, and steering response without changing the vehicle’s designed behavior.

Key Features

  • OE-style replacement for Asian vehicles, including the Nissan Maxima
  • Nitrogen gas-charged, twin-tube shock absorber design
  • Triple-lip fluid seal helps reduce oil and gas leakage
  • Vehicle-specific, hand-assembled damping valves manage tire contact and body motion
  • Strong strut body and bracket construction helps minimize flex and maintain alignment
  • Supports proper operation of electronic safety systems by restoring suspension performance
  • Rear application for 2004-2008 Nissan Maxima

Product Details

KYB Excel-G is part of KYB’s OE replacement line, focused on restoring the suspension performance the vehicle was originally designed to deliver. Part number 344450 is a rear shock absorber for the Nissan Maxima and is built to match factory-style control characteristics rather than alter ride feel. The design uses internal damping calibration, durable sealing, and a twin-tube gas-charged construction to help maintain consistent response in everyday driving.

This part cross-references Monroe Shocks & Struts 5600 for the same application.

What It Helps Address

  • Excessive rear bounce or oscillation
  • Loose or delayed handling response in the Nissan Maxima
  • Reduced stability during lane changes and braking
  • Uneven tire contact caused by worn rear shock control
  • Noise and vibration from aging suspension components

Installation Notes

Fits 2004-2008 Nissan Maxima, rear. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. KYB recommends installing new strut mounts, part number SM5381, to reduce noise and vibration. A KYB strut boot, part number SB108, can help protect the new unit from dirt, debris, and road salt.

Quality Assurance

KYB is a major OE supplier to new vehicle manufacturers, and the Excel-G line is produced on the same KYB assembly lines using OE-quality components. Part number 344450 is built to restore original suspension performance for the Nissan Maxima while maintaining factory-style ride control and handling.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008NissanMaximaRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2007NissanMaximaRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2006NissanMaximaRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2005NissanMaximaRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2004NissanMaximaRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gabriel — G51802Monroe Shocks & Struts — 5600