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Author Topic: Help Me Find Accessory Bracket Bushings  (Read 12254 times)

Offline Dr_Snooz

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Help Me Find Accessory Bracket Bushings
« on: January 28, 2025, 09:10:26 am »
My '89 350 has these amazing cast aluminum accessory brackets.



The brackets use these spacers to align the pulleys.



One of my spacers has gone missing. I'm trying to find a new one, but don't know what to call it, or the GM part number. Nor am I having much luck searching the online parts catalogs. Nobody has any drawings or anything.

Can someone help me out here?
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1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60

Offline Dr_Snooz

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Re: Help Me Find Accessory Bracket Bushings
« Reply #1 on: January 28, 2025, 09:56:30 am »
And please ignore my mismatched valve covers lol.
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1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60

Online Captkaos

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Re: Help Me Find Accessory Bracket Bushings
« Reply #2 on: January 28, 2025, 12:21:15 pm »
Hmm, I am not sure where you would acquire that.  I would possibly start with the local Dealership to see if they can identify if it was available.
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Offline Shifty

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Re: Help Me Find Accessory Bracket Bushings
« Reply #3 on: January 28, 2025, 03:39:48 pm »
What about those little "hat" type wheel retainers that you see on tricycles, wagons, etc...my local ACE has them....just drill out the end.
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Offline VileZambonie

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Re: Help Me Find Accessory Bracket Bushings
« Reply #4 on: January 29, 2025, 06:57:51 pm »
It's a flanged bushing.
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Offline Dr_Snooz

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Re: Help Me Find Accessory Bracket Bushings
« Reply #5 on: January 29, 2025, 11:43:23 pm »
I can work with that. Thank you!

Quote from: VileZambonie on January 29, 2025, 06:57:51 pm
It's a flanged bushing.
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1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60

Offline ehjorten

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Re: Help Me Find Accessory Bracket Bushings
« Reply #6 on: January 30, 2025, 09:12:11 am »
You might try looking for bushings with McMaster-Carr
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Online JohnnyPopper

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Re: Help Me Find Accessory Bracket Bushings
« Reply #7 on: January 30, 2025, 02:10:17 pm »
Oh, and get some matching valve covers... ;D
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Offline VileZambonie

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Re: Help Me Find Accessory Bracket Bushings
« Reply #8 on: January 31, 2025, 07:31:35 pm »
Quote from: Dr_Snooz on January 29, 2025, 11:43:23 pm
I can work with that. Thank you!

Quote from: VileZambonie on January 29, 2025, 06:57:51 pm
It's a flanged bushing.

Technically it's a split flanged bushing. If you google it you will see them.
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Offline Dr_Snooz

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Re: Help Me Find Accessory Bracket Bushings
« Reply #9 on: February 04, 2025, 10:32:16 pm »
Ack! You caught me! I'm so embarrassed. LOL

Quote from: JohnnyPopper on January 30, 2025, 02:10:17 pm
Oh, and get some matching valve covers... ;D
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1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60

Offline Dr_Snooz

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Re: Help Me Find Accessory Bracket Bushings
« Reply #10 on: February 04, 2025, 10:45:09 pm »
Look, they match now. Good grief.



They're both trash, BTW. All pitted and nasty with rust. I would replace them, but they're expensive.
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1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60

Offline Dr_Snooz

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Re: Help Me Find Accessory Bracket Bushings
« Reply #11 on: February 04, 2025, 11:07:58 pm »
I can't find these bushings anywhere. I'll just keep rocking the flat washers I substituted in there temporarily. Hope the tab doesn't break off.
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1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60

Offline VileZambonie

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Re: Help Me Find Accessory Bracket Bushings
« Reply #12 on: February 05, 2025, 04:38:19 pm »
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Dr_Snooz

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Re: Help Me Find Accessory Bracket Bushings
« Reply #13 on: February 09, 2025, 12:00:55 am »
My dimensions are 0.515" D x 0.549" OD x 0.425" ID x 0.106" shoulder thickness. I should just design one with OnShape and have them made.
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1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60
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