On a gasser most people will say to replace the waterpump at 100K. When is a good time to replace the waterpump on a cummins.
Originally posted by dpuckett
100K for a water pump? Never heard that one before, but then I tend to stay away from engines that need a spark to ignite the fuel.
Mine has 285K; Mom's 250K; and I know a guy who has 600+ on his. Keep the coolant changed regularly (every 2 years or 30K), and that should help the longevity of it. Maintenance is more than just oil and ATF changes.
PS- I got a new one from O'Reileys two years ago for <$50. Turned out I didnt need it, but was too late to return it by the time I get back here. CB Parker put it in his old pickup.
Daniel