D6 435hp Serpentine Belt Part Number and Replacement Tips?

HawaiianFish

Well-known member
Joined
Feb 19, 2022
Messages
115
Fluid Motion Model
R-23 (Outboard)
Hull Identification Number
FMLC3010F819
Vessel Name
Pau Hana
Aloha all!

After a really nice day on the Potomac yesterday, I was closing the through valves and noticed a bunch of belt fragments alongside the engine. It appears I busted one of the bands on my serpentine belt. I’m not at the boat, does anyone know the part number so I can order one and save a drive down to the boat? I have a 2019 CB30 D6 435 engine.

Also has anyone changed the serpentine belt themselves and have any advice. I have an automotive belt tensioner bar (just bought when I replaced my wife’s alternator) which hopefully I can use if the tensioner is in an in opportune location (which I’m sure it is). I am expecting to be doing some boat yoga for this task, but wasn’t sure how involved this will be.

Thanks guys!
Koi
 
Volvo 21405494 and 21405493
G
 
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