Gabriel G57278 Ultra ReadyMount Rear Left Complete Strut Assembly

Our review of the Gabriel G57278 Ultra ReadyMount rear left complete strut assembly finds it best suited for DIYers and independent shops that want a faster, safer strut replacement for compatible passenger cars. The unit ships preassembled with the upper mount, strut bumper, strut boot, coil spring and Ultra strut, so installation avoids spring compression and specialty tools. For someone replacing a worn rear strut on compatible models, the biggest reason to buy is the clear time and labor savings provided by the fully assembled ReadyMount design.

Key Features

• Preassembled ReadyMount: Includes upper mount, strut boot, bumper, coil spring and Ultra strut so installation is quicker and avoids spring compression.
• Installation friendly: The fully loaded assembly fits as a direct OE replacement and reduces shop time for DIY or professional installs.
• Durability focus: Gabriel preassembles components to provide long term performance under normal driving loads.
• Interchange compatibility: Multiple interchange part numbers are listed to help confirm fitment for various passenger cars and light trucks.
• Clear length specs: Extended length 24.13 in and collapsed length 15.82 in give installers concrete dimensions to compare during fitment.

Who It's For

The Gabriel G57278 is ideal for the home mechanic who wants a straightforward swap without spring compressors, and for independent shops that bill labor by the job and value quicker turnarounds. It is also suitable for owners who prioritize restoring ride quality and fit with an OE-style complete assembly.

Owners who need a front strut, specialty performance damping, or a part for an uncertified vehicle fitment should look elsewhere; confirm vehicle compatibility carefully since the listing indicates specific fitment and interchange numbers rather than a universal application.

Pros & Cons

Pros

• Preassembled setup saves time and removes the need for spring compression tools.
• Quality components included for a complete OE-style replacement and confident fitment.
• Clear length and stroke specifications make checking fitment straightforward for installers.
• Many users report improved ride quality and value relative to labor saved.

Cons

• Durability feedback is mixed in some reports, so long-term lifespan may vary with use and conditions.
• Fitment must be verified against interchange numbers and vehicle application before purchase.

Specifications

Product Type	Complete strut assembly
Stroke	8.3 in
Extended Length	24.13 in
Collapsed Length	15.82 in
Upper Mount Code	TMT3S
Lower Mount Code	CL1
Interchange Numbers	34TY1137, 815368, 816336, 816348, 816634, LS57192, 15361

Our Verdict

The Gabriel G57278 Ultra ReadyMount rear left complete strut assembly is a practical, time-saving replacement for owners and shops seeking an OE-style, preassembled solution. It delivers clear installation advantages and improved ride quality for compatible vehicles, making it good value where fitment matches and long-term durability meets expectations.

Frequently Asked Questions

Does this arrive ready to install?
Yes, the unit is preassembled with mount, boot, bumper, spring and strut to avoid spring compression during installation.

How do I confirm fitment?
Check vehicle compatibility and the listed interchange part numbers and length specs to ensure correct application before buying.

Are special tools required?
No spring compressor is needed for installation, though basic hand tools and standard suspension service procedures still apply.