1998 Lexus ES300 Struts and Mounts
On a 1998 Lexus ES300 with front pounding and squeaking, have the struts and upper mounts inspected together. A worn mount can contribute to noise, but the symptoms do not prove that every noise comes from the strut. Replace mounts that are worn or damaged while the assembly is apart.
Why mount condition matters
The owner wants front struts and asks whether the old upper mounts can remain. Reuse depends on inspection, not just age. A failed mount left in place can leave noise after damper replacement and require another assembly removal later.
KYB and Monroe replacement choices
Compare the exact OE-style KYB GR2/Excel-G or Monroe application for the car. Twin-tube low-pressure designs were the replacement approach raised in this question, but popularity among owners is not a technical fitment rule. Confirm the part rather than selecting a brand from a noise description alone.
Part references to check
| Reference group | Numbers | What to confirm |
|---|---|---|
| KYB GR2 strut references | 334246, 334245, 334134, 334133 | Exact axle, side and vehicle application. |
| Mount references | 903906, 903903 | Component identity, axle and side. |
Plan the repair around the diagnosis
The list of four strut numbers does not establish which belong on the front or which side each fits. Have the supplier identify positions explicitly before ordering. Inspect boots, bump stops, spring seats and adjacent suspension parts, and follow safe spring-handling procedures. Confirm alignment requirements with the installer and do not use a historical age description as the car’s current age.
Related guides
Frequently asked questions
Should noisy front mounts always be reused?
Only if inspection shows they are serviceable. Replace worn or damaged mounts.
Does the list identify left and right automatically?
No. Confirm the axle and side for every strut and mount number before ordering.
Get help choosing the right parts
Contact Shockwarehouse with your vehicle or chassis details and the parts you are considering.
Contact Shockwarehouse
