Chemical-resistant metal impeller to manage high temperatures.

CNC-machined mountings for easy install.

Case hardened bearings to extend life of product.

When shopping for a replacement water pump for your engine, look no further than Match Made! Match Made is one fo the most trusted brands in the industry for OEM truck parts with a full line of spring brakes, lights, seals, shocks and more.

This water pump comes with a one year warranty. The coolant pump meets ISO:9001-2015 standards making it leak tested and approved by top experts in the field. It contains case hardened bearings to increase longevity of the product complete sealing components CNC-machined mountings for ease of installation as well as a chemical-resistant metal impeller to manage high temperatures and provide maximum coolant flow through the engine. Any increase of more that a couple pounds means the bearings are worn.This Match Made water pump is fit for Freightliner, Sterling Truck, and Kenworth vehicles with Cummins Big Cam III NTC300, 350, 400, Formula 300, 350, 400, 475 engines. Next let off the fuel so the truck is holding back while watching the oil pressure gauge. Choose any gear, 7th or 8th may be best, have the truck in a slight pull and check the oil pressure. A good way to check for worn main bearings is to get the engine hot and drive it on level road. Listen for knocks, look at the oil pressure, check for excessive blow by from breather pipe.

Something that can happen to all engines is for the liners to get pin holes from not having treated antifreeze in the engine, and liner packing (o-rings and seals) failing from many miles of use, or from sitting too many years with no use. Things that can happen to them is stress cracks around the head bolts, counter bore around the top of liners. Most all of the NH/NTC engines will leak water around the heads.Ī small cam will not have the torque of a big cam engine, not will it get as much fuel mileage. If it is not, then find out which Big Cam it is from the tag on the accy drive housing or see if it is stamped in the side of the block somewhere.Īs far as the small cam engines go, they can be rebuilt many times. Check first to make sure it is a small cam.

350 big cam cummins