6 Bta M1 250 Hp Coolant pump questions. - Cummins Marine Forum

This topic has 2 replies, 2 voices, and was last updated 5 years ago by Bill Stenger.

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May 4, 2019 at 9:08 am #68816

Bill Stenger
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Engines: 250 Hp 6bt M1
Country: United States

Hello Gentleman, This forum is absolutely great. I have been reading piles of info. Learning alot. I have a 1997 Sea Vee with 250 Hp 6bta m1. ESN# 45388094 and Cpl# 1570. The coolant pump is bad. This pump looks identical to the pumps in my 6b trucks. Can I just get a pump from the local parts house instead of waiting on shipping? Any difference between the marine pump and automotive line? I have searched here and google and can’t seem to find any definitive info between the two.

Thanks!
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May 5, 2019 at 3:01 pm #68859

Bill Stenger
Participant
Engines: 250 Hp 6bt M1
Country: United States

Thank you Tony! I will look into Oem part number. Pump.

May 5, 2019 at 6:55 am #68844

Tony Athens
Moderator
Vessel Name: Local Banks
Engines: QSB 6.7 550 HP
Location: Oxnard, CA
Country: USA

Many of the genuine marine coolant pumps have either different impellers and or a slightly different pulley diameter…Plus, Cummins has made changes over the years—Coolant circulation requirements in a marine engine are different in many cases……. I would not have a clue in your case..

I would guess if you looked at B series coolant pumps, you’d find 15+ different parts numbers, but they all may “fit”…………………….Reason ???

Tony
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