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Old 06-25-2008, 03:37 PM   #1
3 Rivet Member
1986 34.5' Airstream 345
Tyler , Texas
Join Date: Jun 2007
Posts: 110
Fan/alternator belts

Hi! Can anyone give me the proper belt #s for both the alternater and AC compressor belts on a 86 345 Classic. Every parts store catalog states that the belt size listed is "except motorhome. Any help would be greatly appreciated.

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Old 06-25-2008, 03:48 PM   #2
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1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
Posts: 6,704
Images: 12
If no one comes back with a Number and you still have the old one any Good Industrial Supply House can measure it and set you up.

2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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Old 06-25-2008, 05:15 PM   #3
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1969 31' Sovereign
Broken Arrow , Oklahoma
Join Date: Jan 2003
Posts: 1,362
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Generally when looking for parts for the 454 have them look up a 454 P-30 Van***

These #'s may help have them check to see if they agree with a 1986 P-30 Van

Belts for a 1990 >> 454 Part numbers
Here are the belts

Oil Filter Wix 51794
AC Belt GM 14033869, NAPA 25-7603, .380x60
P/S Belt GM10223912unr, NAPA 25-7400,.380x41
Alt Belt GM 14082454x2, Gates KO60525 21mmx1355 6PK1340
U Radiator Gates 21706
L Radiator Gates 21717

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Old 06-25-2008, 06:32 PM   #4
Classic 325 MH
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1985 32.5' Airstream 325
Rochester , New Hampshire
Join Date: Oct 2006
Posts: 362
We have a late 85, with the 454. The belts currently used are-
Air conditioner -Gates 7585
Alternator and smog pump - Gates 7495
Alternator w/o smog pump - Gates 7455 (Ours was removed)
Hope this helps
Jeff & Kristine
Classic 1985 325 Motor Home
New England Unit
WBCCI # 5971
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Old 06-28-2008, 01:06 PM   #5
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Las Vegas , Nevada
Join Date: Apr 2007
Posts: 607
Pete, On our 89/90 345, P30-454, installation order:
1st. NAPA, XL # 25 7410 goes on: CC,PS
2cd. NAPA, XL # 25 7590: A/C,WP,CC,PS
3rd. NAPA, XL # 25 7450: TOP AIR PUMP,PS
4th. NAPA, MICRO-V # 25 060560: ALT,WP,CC,LOWER SMOG
*without lower smog pump use MICRO-V # 25 060523
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