Timing chain tensioner

OEM: RUVILLE 3450001 11311726502-1

Disassembled car photo

Engine running

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Details for this exact part

Code
RUVILLE 3450001 11311726502-1
OEM
RUVILLE 3450001 11311726502-1
Condition
Used
Availability
3 in stock - ready to ship
Make, model
Other used and new parts

What is this part and why does it matter?

The timing chain tensioner keeps constant tension on the timing chain, preventing it from slapping or skipping on the sprockets as it wears.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Rattling or chattering noise on cold start, quieting down as the engine warms
  • Check Engine light with a timing-related fault code
  • Rough idle or misfire from timing drift

Installation information

Requires releasing chain tension carefully during installation and checking timing marks — follow the specific procedure for the engine, as tensioners vary between hydraulic and mechanical types.

Frequently asked questions

A worn tensioner or hydraulic tensioner with a weak check valve can lose oil pressure overnight, letting the chain go slack until oil pressure builds back up after startup.

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