How much does a timing belt replacement cost?
Short answer: RepairPal’s national average for a timing belt replacement is roughly $918 to $1,338 before taxes and fees, and most of it is labor. Check your owner’s manual first: some engines use a timing chain, which doesn’t have a regular replacement interval.
Fair price range
| Job | Typical total | Labor | Parts |
|---|---|---|---|
| Timing belt replacement | $918 – $1,338 | $603 – $885 | $315 – $453 |
| Water pump replacement (often done at the same time) | $891 – $1,135 | $366 – $536 | $525 – $598 |
Source: RepairPal national averages, estimates last updated September 3, 2026 (checked October 18, 2026). Totals exclude taxes and shop fees and don’t reflect your location; your vehicle, region and shop can put you well outside these ranges.
V6 and some V8 engines can cost well above these averages because more has to come apart. If the water pump is behind the belt, a combined “timing belt and water pump” price should be much less than the two rows added together.
What drives the price
- Engine layout. Transverse V6 engines often take longer than inline four-cylinders.
- What’s in the kit. Tensioner, idler pulleys, seals and sometimes the water pump.
- Interval. Your manual lists a mileage and/or time interval for belt replacement.
- Shared labor. Accessory belts and seals are cheaper to do while everything is apart.
What’s normal, and what’s worth questioning
- Replacing the belt at the interval in your owner’s manual is normal preventive maintenance.
- Replacing the tensioner and idlers with the belt is standard practice.
- Replacing a timing-belt-driven water pump at the same time is common.
- Worth questioning: a timing belt recommendation on an engine that uses a timing chain, or well before the interval with no visible wear.
Questions to ask the shop
- Does my engine have a timing belt or a timing chain?
- Is this due by mileage or by age according to my manual?
- What’s included: tensioner, idler pulleys, seals, water pump?
- Is my engine an interference engine (where a broken belt can damage valves)?
- What labor time are you using, and is the water pump labor shared?
More questions by repair type →
Frequently asked questions
How often should a timing belt be replaced?
It varies by engine. Your owner’s manual lists the interval in miles and often in years too. Rubber ages, so a low-mileage older car can still be due.
What happens if a timing belt breaks?
The engine stops running. On an interference engine, a broken belt can also let the pistons hit the valves, which can mean a very expensive engine repair. That’s why replacement is preventive.
Do all cars have a timing belt?
No. Many engines use a timing chain instead, which is designed to last much longer and has no routine replacement interval. Check your manual or ask the shop to show you.
Why is a timing belt job mostly labor?
The belt sits behind covers at the front of the engine, and getting to it can mean removing accessory belts, pulleys, engine mounts and more. The parts themselves cost much less than the time.
Related guides
- Water pump replacement cost
- Timing belt questions to ask
- Free quote checklist
- Is this repair quote fair? (free checklist)
Sources
- RepairPal: timing belt replacement cost
- RepairPal: water pump replacement cost
- NHTSA: check your vehicle for recalls
Also worth checking: open recalls on your vehicle (NHTSA, above) before paying for a repair. A recall repair is free at a dealer.
General information from someone with automotive sales and service-writer experience, not professional mechanical advice and not a substitute for an inspection by a qualified technician. Cost ranges are national averages from the sources listed and vary by vehicle, region and shop.