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Click on image for the lowdown. 
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| | | Forums66 Topics128,077 Posts1,056,032 Members48,433 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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| | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy crockbuyer, the o.e.m. p/n for the diaphragm is 3847058 which is Bendix p/n 374451. The diaphragm assembly is o.e.m. p/n 3874330 which is Bendix 2504299, I hope that helps you to find one or the other. | | |
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