Subaru Timing Belt Service Cost
105k-mile service on EJ-series engines: belt, tensioner, idlers, water pump.
$700–$1,400national average
Parts
$250–$450
Labor
4–6 hrs
DIY-friendly?
Yes (3/5)
Why this fails
Subaru EJ engines are interference — a snapped belt destroys valves. Service interval is 105k miles or 7 years.
What the job involves
- Remove accessory belts, crank pulley, timing covers
- Replace timing belt, tensioner, both idler pulleys
- Replace water pump and thermostat (same access)
- Reseal cam and crank seals if leaking
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If you delay this repair
Belt failure at highway speed = bent valves = $3,500+ engine rebuild.
Save money
- • Aisin OEM kit (TKF-002) bundles all wear parts for $250 — same as Subaru factory parts
- • Combine with head gasket job if approaching 150k
FAQ
How much does subaru timing belt service cost cost in 2026?
Expect $700–$1,400 at most US shops, parts plus labor.
How long does the job take?
4–6 labor hours typically.
Can I do this myself?
Yes — DIY difficulty 3/5.
What happens if I delay?
Belt failure at highway speed = bent valves = $3,500+ engine rebuild.