Difference between revisions of "Replacement part numbers for the engine coolant circulation pump on the M-25, M-25XP, M-25XPA, M-35, M-35A"

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The M-25 is built on the Kubota D850 block, the M-25XP and XPA are built on the Kubota D950 block.  Both those Kubota blocks and the M-25/XP/XPA engines use the SAME coolant circulation pump.  So the P/Ns for either Kubota engine block will fit the other.  However, you may locate different P/Ns for the same pump because Kubota keys its P/Ns to the specific application in which the engine is used (e.g. B6200 tractor, B7200 tractor, other industrial or farm equipment,) and not keyed to the engines themselves (D850, D950.)    So there are oftentimes different Kubota P/Ns for exactly the same physical part (like the coolant pump.)   
 
The M-25 is built on the Kubota D850 block, the M-25XP and XPA are built on the Kubota D950 block.  Both those Kubota blocks and the M-25/XP/XPA engines use the SAME coolant circulation pump.  So the P/Ns for either Kubota engine block will fit the other.  However, you may locate different P/Ns for the same pump because Kubota keys its P/Ns to the specific application in which the engine is used (e.g. B6200 tractor, B7200 tractor, other industrial or farm equipment,) and not keyed to the engines themselves (D850, D950.)    So there are oftentimes different Kubota P/Ns for exactly the same physical part (like the coolant pump.)   
  
Additionally, Kubota is constantly updating and assigning new P/Ns, so the current P/N for a coolant pump today could be a different P/N tomorrow.  So the pump P/Ns in the Kubota parts manuals on the wiki [https://c34.org/wikiwp/?rdp_we_resource=http%3A%2F%2Fc34.org%2Fwiki%2Findex.php%3Ftitle%3DManuals Wiki Parts Manuals] are the original P/Ns, and they have changed over the years.
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Additionally, Kubota is constantly updating and assigning new P/Ns, so the current P/N for a coolant pump today could be a different P/N tomorrow.  So the pump P/Ns in the Kubota parts manuals on the wiki page [https://c34.org/wikiwp/?rdp_we_resource=http%3A%2F%2Fc34.org%2Fwiki%2Findex.php%3Ftitle%3DManuals '''Wiki Parts Manuals'''] are the original P/Ns, and they have changed over the years.
  
Luckily, there is a good source for updated P/Ns - [http://www.messicks.com www.messicks.com] (an agricultural Kubota dealer that also sells online.)  Messicks isn't the least expensive on OEM Kubota parts, but it is a very knowledgeable source, the parts folks are super cooperative and helpful, and Messicks provided many of the Kubota parts manuals that are posted in the wiki.  
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Luckily, there is a good source for updated P/Ns - [http://www.messicks.com '''www.messicks.com'''] (an agricultural Kubota dealer that also sells online.)  Messicks isn't the least expensive on OEM Kubota parts, but it is a very knowledgeable source, the parts folks are super cooperative and helpful, and Messicks provided many of the Kubota parts manuals that are posted in the wiki.  
  
 
Kumar Brothers (www.kumarbrosusa.com) sells many (but not all) aftermarket parts for our engines.  There are other '''OEM and aftermarket''' Kubota parts sources -- so do your homework before buying.
 
Kumar Brothers (www.kumarbrosusa.com) sells many (but not all) aftermarket parts for our engines.  There are other '''OEM and aftermarket''' Kubota parts sources -- so do your homework before buying.

Revision as of 08:39, 14 July 2019

The M-25 is built on the Kubota D850 block, the M-25XP and XPA are built on the Kubota D950 block. Both those Kubota blocks and the M-25/XP/XPA engines use the SAME coolant circulation pump. So the P/Ns for either Kubota engine block will fit the other. However, you may locate different P/Ns for the same pump because Kubota keys its P/Ns to the specific application in which the engine is used (e.g. B6200 tractor, B7200 tractor, other industrial or farm equipment,) and not keyed to the engines themselves (D850, D950.) So there are oftentimes different Kubota P/Ns for exactly the same physical part (like the coolant pump.)

Additionally, Kubota is constantly updating and assigning new P/Ns, so the current P/N for a coolant pump today could be a different P/N tomorrow. So the pump P/Ns in the Kubota parts manuals on the wiki page Wiki Parts Manuals are the original P/Ns, and they have changed over the years.

Luckily, there is a good source for updated P/Ns - www.messicks.com (an agricultural Kubota dealer that also sells online.) Messicks isn't the least expensive on OEM Kubota parts, but it is a very knowledgeable source, the parts folks are super cooperative and helpful, and Messicks provided many of the Kubota parts manuals that are posted in the wiki.

Kumar Brothers (www.kumarbrosusa.com) sells many (but not all) aftermarket parts for our engines. There are other OEM and aftermarket Kubota parts sources -- so do your homework before buying.

The current (7/2019) P/N for the coolant pumps are below. If you plug any Kubota P/N into the Messicks site,

Messicks page.JPG
it will return the then-current part number, which you can use to purchase from any source you choose.
Messicks pump page.JPG


Westerbeke P/n 300203 (Universal) price: $385.30

gasket p/n 300204