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06-28-2024, 11:56 PM
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#1 |
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Senior Member
 
Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,302
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any one replaced the bushing in rear shackle in 4x4 ?
has anyone replaced the rear shackle bushing (one piece) type in the rear shackle in their 4x4 ? (blazer in my case) not the leaf spring one but the one on the shackle that goes in the hanger. if so where can i buy them?
i do know i can buy the aftermarket shackle but im trying to stay factory gm type
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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06-29-2024, 01:23 AM
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#2 |
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All about them K’s
 
Join Date: Jun 2014
Location: Farmington, New Mexico
Posts: 6,284
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Re: any one replaced the bushing in rear shackle in 4x4 ?
I got my greaseble shackle bushings from ord a few months ago. The originals are kind of a pain to get out without an air hammer. The steel sleeve on the outside of the bushing that presses into the shackle will fight you the whole way.
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's ‘87 IROC-Z all original 50K mile survivor TPI 305 IROC Blue ‘10 Camaro 2SS/RS Aqua Blue Metallic #93 -version 2.0 
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06-29-2024, 02:07 AM
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#3 | |
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Senior Member
Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,302
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Re: any one replaced the bushing in rear shackle in 4x4 ?
Quote:
i have the old one out now im needing the gm number to look for the correct replacement one
__________________
1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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06-29-2024, 08:38 AM
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#4 |
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Senior Member
Join Date: Dec 1999
Location: TX
Posts: 1,540
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Re: any one replaced the bushing in rear shackle in 4x4 ?
GM PN 468481
I used RB-117 so did Chaparrallman1974 see where he posted his receipt from the spring shop here - https://67-72chevytrucks.com/vboard/...&postcount=150 |
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06-29-2024, 09:17 AM
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#5 |
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All stock and staying that way
Join Date: Jul 2003
Location: Elkland, PA
Posts: 1,412
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Re: any one replaced the bushing in rear shackle in 4x4 ?
The whole rear shackle assembly is GM 3941784/6270217/14022597. Only the 3941784 looks like the assembly line unit.
 The bushing is a tough one, as the GM parts books are confusing on this part. Since the shackle is listed as fitting K/5, K10, C20, and K20, the bushing 3941634 or MOOG SB319 looks to be the right one. Dimensions are listed below.
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1970 K/5 Blazer CST 4WD, Bronze, 93k ACT. miles, 350, 4 speed, positraction, 16.5" x 8.25" wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration in progress...  1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor... 2017 Sierra 1500 SLT 4WD, Black, 41k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2... 2019 Canyon SLT 4WD, White, 60k miles, 3.6, 8L45, 3.23 LS, 18" wheels |
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06-29-2024, 10:11 AM
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#6 |
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Senior Member
Join Date: Dec 1999
Location: TX
Posts: 1,540
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Re: any one replaced the bushing in rear shackle in 4x4 ?
Interesting. I based my post on the original parts catalog. 67-72 4wd use the same bushing, but the shackles from 67-68 are different from 69-72. OP should be able to measure his and determine.
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Yesterday, 02:23 AM
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#7 | ||
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Senior Member
Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,302
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Re: any one replaced the bushing in rear shackle in 4x4 ?
Quote:
thank you jayson, i ordered 2- RB-117. appreciate the input. very helpful 1970cstblazer.... i thank you sir, i ordered sb319 also thx again Quote:
very helpful info really appreciate it.
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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Yesterday, 02:27 AM
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#8 |
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Senior Member
Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,302
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Re: any one replaced the bushing in rear shackle in 4x4 ?
thats what makes this site so great. all the input from members willing to take the time to help those in need.
You all are great ..... again Thank you!
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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