The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - First hand experience with changing to the NBS master cylinder WOW!

speedygonzales · 12-18-2014, 05:07 PM

So is what you are showing mean if the marking is "DA" we have a JB7 and if I understand it correctly the most powerful vacuum booster is the JB7 or do I have any of that incorrect?

The part number 18024268 does not come up as a good replacement part number.

12-18-2014, 05:07 PM	#111
speedygonzales Registered User Join Date: Jan 2006 Location: Smithfield, VA Posts: 1,501	Re: First hand experience with changing to the NBS master cylinder WOW! So is what you are showing mean if the marking is "DA" we have a JB7 and if I understand it correctly the most powerful vacuum booster is the JB7 or do I have any of that incorrect? The part number 18024268 does not come up as a good replacement part number. __________________ 99 Z71 (98 body style) Pride and joy Last edited by speedygonzales; 12-18-2014 at 05:21 PM.