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Need to replace a major engine component? Check out our inventory of reconditioned components offered from our complete line of aftermarket engine parts.

 

BLOCKS

Republic Diesel inspects and estimates cylinder blocks per OEM dimensions. All cylinder blocks, similar to all other castings, go through a detailed inspection including magnetic particle inspection and measuring. Also, we offer pressure testing as an inspection option if you are trying to troubleshoot a problem. Repairs most often performed on cylinder blocks include deck resurfacing and machining the upper bores. We have the capability to repair the main bore by machining the mating surfaces of the main caps and then cutting the bore diameter.

If you have a damaged main bore from a spun bearing we can repair it with a spray weld or sleeve process. Repairs we normally perform on “wet sleeve” engines include lower packing bore repairs, bolt hole repairs including head bolt holes, upper counter bore inserts installed, cam bearing bore repairs and we can install lifter bore repair sleeves. Installation of a repair sleeve to restore the cylinder bore on certain diesel engines allows you to continue to use standard pistons.We can also restore your deck surface utilizing our thermal coating system (see more in the Spray Metalizing section). Once all machining has been performed we then thoroughly clean your cylinder block, brushing the oil gallery lines to make sure we have removed all metal debris. At this point, we can return your cylinder block as is or we can install new cam bearings and liners, allowing you control over the project.

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CRANKSHAFTS

At Republic Diesel, crankshafts are checked and inspected to make sure the casting is acceptable for rebuild. We perform a wet magnetic particle inspection on the crankshaft. Once the crankshaft has passed this process we then check all the critical dimensions required by the manufacturer such as, bend, radii, hardness, bolt holes, dowel holes and seal areas. Should your crankshaft have sufficient wear on the journals we can grind the rod and/or main journals undersize. Additional repairs could include timing keyway repairs, gear replacement and seal area repairs involving the spray metalizing process.

 

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CYLINDER HEADS

At Republic Diesel, we offer a complete rebuilt cylinder head as well as several models which are offered on an exchange basis. On complete rebuilds we disassemble the cylinder head, perform a magnetic particle inspection and pressure test the casting to look for leaks. Once the casting is found to be structurally intact, we then offer a wide variety of repairs that include: injector tube replacement, valve seat and valve guide replacement. We repair damaged bridge pin bores along with resurfacing the decks and the exhaust manifold surface. We can repair cracks in the casting and we can repair damaged cam bushing bores along with repairing damaged exhaust manifold stud holes. Once all repairs have been performed we then assemble the head and check valve heights and vacuum check the seal between the valve face and the valve  seat.

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ENGINES FOR SALE

 

 

 

 

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