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RO #26308SHOP COPY

TIMING BELT REPLACEMENT COST

8 min readUpdated

A toothed timing belt looped around two camshaft sprockets, with a tensioner pulley and its bolts beside them
Belt, sprockets and tensioner — the parts are cheap next to the hours it takes to reach them.

The cost band

A timing belt replacement runs $887–$1,302 on a typical passenger car. Small four-cylinder cars sit at the bottom of that; transverse V6s, where one bank is buried against the bulkhead, sit at the top and beyond.

It is one of the few jobs where the quote is almost entirely about access. Two engines can use the same $40 belt and differ by $600 in what it takes to reach it.

Why it is mostly labor

Book time is 3–5 hours — a labor guide figure, not a guess. At about $140 per hour that is $420 to $700 before a single part. The belt itself is a small fraction of the ticket — the money is in getting the accessory belts, the crank pulley, the covers and often an engine mount out of the way, then setting the timing marks and putting it all back.

An engine with its front cover removed and leaning against the block, the timing chain and sprockets exposed
The cover comes off before the belt is even visible — that is where the hours go.

Belt, kit, or kit and pump

ScopeWhat is replacedVerdict
Belt onlyThe beltFalse economy — the tensioner outlives nothing
KitBelt, tensioner, idlers, sealsThe minimum a shop should quote
Kit + water pumpAll of the above plus the pumpRight on any belt-driven pump

On engines where the timing belt drives the water pump, doing the pump at the same time adds a modest parts cost to a job whose labor is already paid for. Doing it separately later costs $888–$1,139 — almost all of it the same hours over again. That is the whole argument, and it is covered in the water pump guide.

The interval

Manufacturers set the interval usually every 70,000–90,000 miles, with the exact figure in the owner’s manual for that engine. Age matters as well as mileage: rubber degrades on a car that sits, and a twelve-year-old belt at 50,000 miles is not a young belt.

Put it on the customer’s service card well before it falls due. It is a planned expense or it is a tow bill; there is no third option.

A timing-belt kit laid out in its tray with a water pump standing beside it
The kit laid out in its tray with the water pump beside it; the pump goes in while the cover is off.

Interference engines

In an interference engine the valves and pistons occupy the same space at different times. If the belt snaps, they occupy it at the same time. The result is bent valves at minimum and frequently a cylinder head, which is engine-rebuild money on a job that was a four-figure service. When it happens, the engine repair cost guide lays out the rebuild, reman and used-engine options.

Chain-driven engines are a different conversation: chains are designed to last the life of the engine and are not on a service interval, though a rattling chain on start-up is its own diagnosis. If you are unsure which you have, that is a short diagnostic question, not a guess.

TIMING BELT CARD

Total
$887–$1,302
Labor
3–5 hours
Interval
usually every 70,000–90,000 miles
Water pump, alone
$888–$1,139
Reference rate
about $140 per hour

SOURCES

Each line is where a figure on this page came from and the date it was read.

FigureSourceRead
Timing belt replacement totalRepairPal — Timing Belt Replacement Cost
Timing belt labor hours and parts splitAutoZone — Timing Belt Symptoms and Replacement Cost
Replacement intervalAutoZone — Timing Belt Symptoms and Replacement Cost
Water pump replacement cost as a standalone jobRepairPal — Water Pump Replacement Cost
Reference independent door rateWickedFile — Average Mechanic Labor Rate 2026