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Description
Are you in need of a way to access the pressurized intake air system to install a boost gauge in your '98.5-'24 Dodge Cummins Turbo Diesel?If you made a mistake and bought your gauges elsewhere, you're still in luck. This adapter has a hole drilled through it that allows you to remove one of the intake manifold bolts that affixes the air intake to the cylinder head. Remove the bolt, replace it with Geno's Boost Adapter, and you now have access to pressurized air.
Reviews
Write a reviewGREAT SERVICE
May 11, 2017 | By Connor Harper
I can always count on y'all for the best service and products for my Cummins. Thank you.
Works With My '96
May 15, 2017 | By Thomas Blauvelt
If you buy an electronic sending unit for your boost gauge (e.g. Isspro EV2), you'll need this item. The distance between the natural NPT port on the older 12v's to the p-pump is 1 7/8". The electronic gauge is 2 1/4" long. Using this boost bolt by cylinder #1 makes for an easy solution to installing your electronic gauge.
Great
Sep 5, 2017 | By Phillip
Such a simple thing yet it makes things so much easier. I used this in my 08's 6.7 and it worked exactly as it was supposed to. I used a little Teflon when installing it.
Worked great
Jan 5, 2018 | By Joel Flagner
Item worked just as described.
Cheap pot metal
Jul 27, 2025 | By Philip
Directions are very clear about torque to 12 ft lbs. I started at 5, then set my torque wrench to 10, tested on another intake bolt to get a feel for it. About what felt like 8-9 ft lbs the head of the bolt popped off. No signs of twisting at all just perfectly smooth like it never had a stud attached to it.
Owner Response:Thank you for the review and sorry for the troubles. This bolt is made out of high quality stainless steel and this is not an issue that I recall being brought to our attention in the 20 plus years we have been selling this boost bolt. We have sent a no charge replacement to this customer.
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