Master Cylinder Part # - The 1947 - Present Chevrolet & GMC Truck Message Board Network

eric8 · 02-19-2021, 01:16 PM

Does anyone know the original GM part number for the brake master cylinder? This is for a 77 C10 2wd with power JB5 brakes. Thanks.

Keith Seymore · 02-19-2021, 02:47 PM

1255770; code "DD".

K

eric8 · 02-19-2021, 03:48 PM

Thanks Keith! What's the other part number above that one? The 1800xxxx? Is that an alternative pn?

Keith Seymore · 02-19-2021, 04:42 PM

18001503, which seems to be the "Power Head Assembly number", consisting of the booster and aforementioned master cylinder as an assembly.

K

eric8 · 02-19-2021, 04:43 PM

Ok thanks again.

wazzabie · 02-19-2021, 09:20 PM

Quote:

Originally Posted by Keith Seymore

1255770; code "DD".

K

Hi Keith - What is this document from?

02-19-2021, 01:16 PM	#1
eric8 Registered User Join Date: May 2013 Location: Utopia Posts: 216	Master Cylinder Part # Does anyone know the original GM part number for the brake master cylinder? This is for a 77 C10 2wd with power JB5 brakes. Thanks.

02-19-2021, 02:47 PM	#2
Keith Seymore Registered User Join Date: May 2009 Location: Motor City Posts: 9,226	Re: Master Cylinder Part # 1255770; code "DD". K Attached Images __________________ Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/

02-19-2021, 03:48 PM	#3
eric8 Registered User Join Date: May 2013 Location: Utopia Posts: 216	Re: Master Cylinder Part # Thanks Keith! What's the other part number above that one? The 1800xxxx? Is that an alternative pn?

02-19-2021, 04:42 PM	#4
Keith Seymore Registered User Join Date: May 2009 Location: Motor City Posts: 9,226	Re: Master Cylinder Part # 18001503, which seems to be the "Power Head Assembly number", consisting of the booster and aforementioned master cylinder as an assembly. K __________________ Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/

02-19-2021, 04:43 PM	#5
eric8 Registered User Join Date: May 2013 Location: Utopia Posts: 216	Re: Master Cylinder Part # Ok thanks again.

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