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01-04-2022, 05:40 PM
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#1
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,336
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C9 Cat Engine coolant hose Replacement
I blew my top coolant hose on my C9 cat engine, see photos. Number stamped into the hose is 1297 49602. Cat unable to identify this number. One end opening is 2.25" and other end is 2.5". Anyone with a C9 engine help me find the correct hose? Currently using a Napa hose but both ends are 2.25" so one end is stretched. Will also post on Cat forum.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE 
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01-04-2022, 05:44 PM
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#2
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,336
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C9 Cat Engine coolant hose Replacement
I blew my top coolant hose on my C9 cat engine, see photos. Number stamped into the hose is 1297 49602. Cat unable to identify this number. One end opening is 2.25" and other end is 2.5". Anyone with a C9 engine help me find the correct hose? Currently using a Napa hose but both ends are 2.25" so one end is stretched. Will also post on Monaco forum.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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01-04-2022, 06:15 PM
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#3
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: Jun 2016
Location: Odessa, Tx.
Posts: 848
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I was told Cat did not supply the radiator or hoses. The chassis manufacturer did. Freightliner knew my hose numbers and Was able to supply the replacements.
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John and Sue from W. Texas
2001 DSDP, 3126B Cat
"the Oilfield PAID me to retire, so I did" :-)
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01-04-2022, 07:04 PM
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#4
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Senior Member
Monaco Owners Club
Join Date: Aug 2020
Posts: 131
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Doug & Shannan
2007 Beaver Contessa
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01-04-2022, 08:38 PM
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#5
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,336
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Quote:
Originally Posted by JNSNWT
I was told Cat did not supply the radiator or hoses. The chassis manufacturer did. Freightliner knew my hose numbers and Was able to supply the replacements.
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Roadmaster is the chassis manufacture and they no longer exist.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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01-04-2022, 08:50 PM
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#6
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,336
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Quote:
Originally Posted by 2Yoopers
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Might be a little short but will give them a call tomorrow and see what centerline radius is.
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Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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01-05-2022, 07:33 AM
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#7
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Senior Member
Join Date: Jul 2000
Posts: 4,034
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You have lots of options to find that hose. You could call gates tech support. Visit a good napa store. Some of the catalogs list molded hose by size and degrees of angle. You could go into a Beaver forum and ask. You could call REV. Be proactive.
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Moisheh
2008 Dynasty 42' Diamond IV
1988 Bluebird PT38
2009 Silverado Toad
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01-05-2022, 05:18 PM
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#8
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Senior Member
Join Date: Jan 2005
Posts: 1,447
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Quote:
Originally Posted by kketterling
I blew my top coolant hose on my C9 cat engine, see photos. Number stamped into the hose is 1297 49602. Cat unable to identify this number. One end opening is 2.25" and other end is 2.5". Anyone with a C9 engine help me find the correct hose? Currently using a Napa hose but both ends are 2.25" so one end is stretched. Will also post on Monaco forum.
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What is your serial number and arrangement number if you have it. but need the serial number to look up the info.
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01-05-2022, 05:55 PM
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#9
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Senior Member
Join Date: Jan 2005
Posts: 1,447
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if hose is located on the engine i need the engine serial number. and engine arrangement if you can it. but have to have the engine serial number.
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01-05-2022, 07:39 PM
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#10
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,336
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Quote:
Originally Posted by Cat
if hose is located on the engine i need the engine serial number. and engine arrangement if you can it. but have to have the engine serial number.
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Have a hose coming tomorrow and hopefully it’s a match, if not will get you the engine serial number. I tried cat initially but they weren’t able to help. Fingers crossed hose is a match.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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01-06-2022, 09:50 AM
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#11
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,746
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Can't say I've ever heard of a hose that changed inside dia from one end to the other  .
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Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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01-06-2022, 05:02 PM
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#12
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,336
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Quote:
Originally Posted by 96 Wideglide
Can't say I've ever heard of a hose that changed inside dia from one end to the other . |
I found a Napa hose number and that cross referenced to a Gates hose number that does exactly that. Thought it was going to be here today but looks like it will arrive tomorrow.
What puzzles me is the numbers stamped on the old hose were unable to be referenced to a valid hose makers product.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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01-07-2022, 06:42 PM
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#13
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,336
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Got the hose and length and end openings are a match, so I'm in business. If anyone else ends up needing this hose for a C9 Cat engine in a Beaver Contessa the hose number is NBH 8013 at Napa or G 21302 which is a Gates hose. Think I'm going to carry a spare as this is kind of an oddball one to find if broke down on the road.
Photo below.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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01-07-2022, 06:44 PM
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#14
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Senior Member
Monaco Owners Club
Join Date: Aug 2007
Location: Gardnerville, Nevada
Posts: 1,336
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Got the hose and length and end openings are a match, so I'm in business. If anyone else ends up needing this hose for a C9 Cat engine in a Beaver Contessa the hose number is NBH 8013 at Napa or G 21302 which is a Gates hose. Think I'm going to carry a spare as this is kind of an oddball one to find if broke down on the road.
__________________
Ken, Chris and Maverick (Golden Retriever)
2009 Beaver Contessa
1984 LS1 CJ7 & 2017 Yamaha YXZ SS SE
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