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RO #26308SHOP COPY

WATER PUMP REPLACEMENT COST

7 min readUpdated

A water pump with its gasket and impeller separated and a toothed belt lying beside it
Pump, gasket and belt: the pump is usually replaced while the belt is already off.

The cost band

A water pump replacement runs $888–$1,139, split parts $527–$610, labor $361–$529. Unlike most parts jobs, the labor half of that is the half that moves — and what moves it is one design decision the manufacturer made years ago.

Belt-driven or accessory-driven

DriveAccessPractical effect
Serpentine / accessory beltFront of the engine, visibleA shorter job; pump alone is sensible
Timing beltBehind the timing coversSame teardown as the belt — do both together
Timing chainBehind the chain coverThe most labor; often a full front-of-engine job

Find out which one you have before you compare quotes — it is a ten-minute look, not a guess. Two shops quoting $500 apart on the same “water pump” may both be right, if one of them has read the engine.

A radiator with its hoses attached, draining into a catch pan on the floor
Coolant comes out before anything comes off — the drain is part of the job.

How a failing pump shows itself

Three signs, in the order they usually appear. A coolant drip from the weep hole under the pump, which is the pump telling you the seal has gone. A whine or growl that changes with engine speed, which is the bearing. And a temperature gauge that climbs in traffic and settles at speed, which is flow.

None of these are wait-and-see items. A pump bearing that seizes on a belt-driven engine takes the timing belt with it, and on an interference engine that is an engine, not a pump — the same stakes described in the timing belt guide.

What overheating actually costs

If the gauge is in the red, the honest advice is stop, let it cool, and have it moved. A shop that tells a customer this on the phone before quoting anything has already earned the job.

A cutaway engine block showing the coolant passages and the lower hose at the outlet
A cutaway block showing the coolant passages the pump has to keep moving.

Doing it with the belt

On a belt-driven pump, the combined job costs barely more than the belt job alone — $887–$1,302 covers the labor for both, and the pump adds parts. Doing them separately means paying the same three-to-five hours twice, which is why every competent shop quotes the kit and the pump together at the belt interval, which manufacturers set usually every 70,000–90,000 miles.

Put both on the customer’s service card at the same mileage, and price the combined job on the estimate calculator so the saving is visible on the sheet rather than asserted at the counter.

WATER PUMP CARD

Typical total
$888–$1,139
Parts / labor split
parts $527–$610, labor $361–$529
Timing belt job
$887–$1,302
Belt interval
usually every 70,000–90,000 miles
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
Water pump replacement totalRepairPal — Water Pump Replacement Cost
Parts and labor splitRepairPal — Water Pump Replacement Cost
Timing belt job cost, for the combined-job argumentRepairPal — Timing Belt Replacement Cost
Timing belt intervalAutoZone — Timing Belt Symptoms and Replacement Cost
Reference independent door rateWickedFile — Average Mechanic Labor Rate 2026