Parts for your 2014 Toyota Mark x-Thrust bearing

2014 Toyota Mark X thrust-bearing — is it actually a thing on this model?

Short answer: a separate clutch “thrust-bearing” (release/throwout bearing) isn’t fitted to the mainstream 2014 Toyota Mark X lineup. That year’s Mark X runs a 6‑speed Aisin automatic (rear‑wheel drive) with a torque converter, so there’s no manual clutch assembly and no clutch thrust/release bearing to service.

Why that matters: many parts catalogues use “thrust bearing” to mean the clutch release bearing on manual cars. For 2014 Mark X, Toyota’s service information for the GRX13# series shows the Aisin A760-family automatic, which uses a torque converter and multi‑plate clutches inside the transmission. There’s no external clutch release mechanism, and therefore no clutch thrust/release bearing on the vehicle.

Technical basis (no links added):

• Toyota Repair Manual — GRX13# Mark X (4GR‑FSE / 2GR‑FSE), Automatic Transmission (A760E/A760H) section: hydraulic torque converter, no clutch release bearing listed.
• Toyota Electronic Parts Catalogue (EPC), GRX133/135, 2014 MY: no clutch release/thrust bearing shown for the auto models.
• Aisin technical data for A760‑series 6‑speed automatics: torque‑converter automatic, internal multi‑plate clutch packs and internal thrust/needle bearings only.

What the car does have: every 4GR‑FSE and 2GR‑FSE engine uses crankshaft thrust bearings (thrust washers) integrated into the main bearing set to control end‑float. Those are internal engine components, not routine service items. Similarly, the automatic transmission contains internal thrust and needle bearings that are part of the unit and only addressed during a full rebuild.

So, if someone’s hunting a “2014 Toyota Mark X thrust-bearing” hoping for a standalone service part, they’ll come up empty for the regular auto models. The only exception in the Mark X family is rare limited‑run manuals (e.g., GRMN variants in later years), which did use a clutch release bearing — but that doesn’t apply to typical 2014 automatic cars.

Practical advice:

• Servicing focus should be on high‑quality engine oil and filter changes, and timely automatic transmission fluid servicing per Toyota’s schedule and local conditions.
• If there’s concern about engine crankshaft thrust wear (uncommon on stock 4GR/2GR engines), a technician can check end‑float during engine work. Replacement is only done during an engine rebuild.

FAQs

Does a 2014 Toyota Mark X have a thrust-bearing?
For the regular 2014 models with the 6‑speed automatic, there’s no clutch thrust/release bearing at all. The engine does have internal crankshaft thrust bearings, but they’re not a routine service part and aren’t sold as a simple external replacement.

When would a Mark X ever need a thrust-bearing replaced?
If we’re talking engine thrust bearings, only during an engine rebuild when excessive crankshaft end‑float is verified. If you’re dealing with an ultra‑rare manual‑equipped variant, the clutch release bearing is replaced with the clutch kit — but that doesn’t apply to mainstream 2014 autos.

What symptoms point to thrust-bearing issues on a Mark X?
Engine thrust bearing wear is uncommon. Warning signs can include noticeable fore‑aft movement of the crank pulley, metallic glitter in engine oil, or odd noises under load. Any suspicion should be checked by measuring crankshaft end‑float against factory spec. Transmission “thrust” components are internal and only inspected during a rebuild.