Gabriel G51803 Ultra Rear Shock Absorbers for 04-09 Nissan Quest

In this review the Gabriel G51803 Ultra rear shock absorber is evaluated as a direct OE-style replacement for the 2004-2009 Nissan Quest. The bottom line: this single-pack shock is aimed at owners who need an immediate, durable improvement in ride comfort and handling without complicated modification. The reviewer found the unit provides noticeably better control than worn originals thanks to Gabriel's Infinitely Variable Damping and precision twin tube design, making it a practical choice for routine replacement or staged suspension refresh.

Key Features

• Vehicle compatibility: Built to fit 04-09 Nissan Quest rear mounting points for straightforward replacement and accurate fit.
• G-Force damping technology: Infinitely Variable Damping provides on-demand control across varying road conditions for improved handling and comfort.
• Precision twin tube design: Engineered to deliver consistent damping performance and improved vehicle stability under normal driving loads.
• Durable construction: Super finished chromed piston and robust materials increase longevity and resist wear from regular use.
• Simple installation: Designed as a bolt-on OE replacement so most mechanically competent owners can install it without specialty tools.

Who It's For

This shock is best for Nissan Quest owners from the 2004 to 2009 model years who are replacing a worn rear shock and want an OE-quality, long-lasting unit that restores ride quality and handling. It suits drivers who prioritize a balance of comfort and control rather than extreme performance tuning.

Those seeking heavy-duty commercial use shocks, adjustable competition dampers, or components for modified suspension setups should look elsewhere, because this unit is engineered as a premium OE replacement for everyday passenger use rather than motorsport applications.

Pros & Cons

Pros

• Good ride improvement: customers report a clear restoration of ride quality compared with worn originals.
• Reliable fit and function: mounting codes and interchange numbers match Nissan Quest rear points for a correct installation.
• Durable design: premium components and chromed piston construction offer improved longevity under normal driving conditions.
• Easy installation: simple bolt-on replacement reduces labor time for DIY replacement.

Cons

• Single-pack option requires purchasing two units for a complete axle refresh, which may be inconvenient for some buyers.
• Not intended for performance racing or heavy towing where specialized shocks would be preferable.

Specifications

Application	04-09 Nissan Quest rear
Stroke (in)	4.29
Extended Length (in)	14.41
Collapsed Length (in)	10.12
Upper Mount Code	S61
Lower Mount Code	ES61
Interchange Part Numbers	373207, 3213-0338, JGT4928S, 255610

Our Verdict

The Gabriel G51803 Ultra rear shock is a sensible, value-oriented OE replacement for 04-09 Nissan Quest owners who want restored ride comfort and dependable handling. Its precision twin tube design and G-Force damping deliver consistent, comfortable performance and good durability, making it worth buying for routine suspension maintenance or selective single-wheel replacement.

Frequently Asked Questions

Will this fit my 2006 Nissan Quest?
Yes. The G51803 is specified for 2004 through 2009 Nissan Quest rear mounting and matches the listed mount codes.

Is installation difficult for a DIYer?
No. It is designed as a bolt-on OE replacement so a mechanically competent owner can install it with common tools.

Should I buy one or two shocks?
For consistent performance it is recommended to replace shocks in pairs on the same axle, though this listing is for a single pack.