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Holley 1904 Carburetor Kit 1 Barrel IHC

Holley 1904 Carburetor Kit 1 Barrel IHC

Your Price:$36.95
In Stock
Part Number:K4129

Choose Options

Included Plugs
Metering Block Plugs
Included Cork Gasket
Cork Gasket
You may also want
Brass Float (FL1017) [+$35.95]
Diaphragm Spring (66-435) [+$3.95]
Actuator (85-67) [+$11.95]
Pump Operating Spring (66-437) [+$1.95]
Fuel Inlet Fitting (90-53) [+$3.95]
Holley 1 barrel carburetor kit. 1904. This Holley 1904 carb kit is ethanol ready, made in the US and meets, or exceeds manufactures specifications. Be sure to check our technical section where we have extensive information about the Holley 1904 carburetor. We have kits for all of the 1904 carburetors, even some hard to find. Match your carburetor number and you get the correct carburetor kit. See all Holley 1904 parts, including our other 1904 kits.

  • New Made in USA
  • Includes Flange Gasket (choice depending on application)
  • Extra cork flange gasket (some prefer the cork style)
  • Throttle body gasket
  • Instruction sheet - exploded view, parts list
  • Float bowl gasket
  • Accelerator pump diaphragm
  • Economizer diaphragm
  • Needle & seat w/viton tip

Watch a video about this carburetor kit:

Optional add-ons. Add these items by checking off the check box above.
 Brass FloatBrass float

Diaphragm Spring
Accelerator pump diaphragm spring. This spring goes between the pump and the economizer block.

1904 AcutatorActuator

Fuel Inlet FittingFuel inlet fitting

1904 SpringPump operation spring

Where to find your carburetor number. R- will not be stamped. Look for the LIST (4 digits). Any number or letter after the LIST can be significant.
1950-53 International
w/Holley 1 bbl carb 841A thru 1421A

152" 2.5L, 196" 3.2L

220", BG-220"

No return on opened kits.

Please be sure to match your carburetor number.

5 Stars
Shop owner, mechanic
These old Holley's are hard to find parts for. Mikes is a great source with very good info to identify the carb and get the right parts. The kit was thorough and the right one for truck I was working on. My customer was very pleased at the price.
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Reviewed by:  from Centralia WA. on 5/27/2015
5 Stars
This kit had EVERYTHING required to rebuild my carburetor to very nice working condition ( no more stumble or hard starts ). The kit arrived in perfect condition....ready for installation. My 1963 Scout 4 cylinder fires right up in 8 below temps !
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Reviewed by:  from Northeast Pa.. on 1/16/2015
5 Stars
This kit was the exact one for my carb. Pair this with the online tutorial on the carb rebuild and everything went together great, thanks.
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Reviewed by:  from Minn. on 1/12/2015
5 Stars
Shade Tree Mechanic
The kit had everything needed to rebuild the carb for my 65 I.H. Scout. The on-line video was particularly helpful and allowed me to do the rebuild step by step without guessing.
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Reviewed by:  from Circleville, Ohio. on 10/8/2014
5 Stars
Holley 1904 rebuild
Fantastic! Exactly the right kit, after having other retailers recommend the wrong kit. Mike's is tremendous in its knowledge of old Holley's. Other retailers did not even know the right place to look for the carb number. I have a 1956 IHC dumptruck and was having a very difficult time until I came across Mike and his videos and website. Fantastic - thanks for all the help!
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Reviewed by:  from Colorado. on 8/18/2014
5 Stars
The kit was good quality and everything went where it belonged. I really like looking at the videos on youtube as they helped a great deal.
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Reviewed by:  from Spokane, WA. on 6/27/2014
5 Stars
1 barrel carb kit
Rebuild kit shipped fast! Also one of the only places I could find who made the stuff here in the US!! If that's not a selling point I don't know what is!!
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Reviewed by:  from Georgia. on 4/18/2014
5 Stars
This man is all about his customers an is the best at what he does by far! Though my carburetor list number was listed in this kits fitment reference list, the accelerator pump in mine had the long shaft rather than the short one included in this kit. Was surprised that when I called the support number that I actually spoke with the man himself. Super nice guy and very helpful, he had the correct pump in the mail to me right away! Even better was his 4 part Video collection on YouTube for the disassembly and rebuild of this exact carb, it was a great reference and a testament to his dedication to what he does. Old Tank never ran so good. Thanks Mike!
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Reviewed by:  from Williston ND. on 3/30/2014
4 Stars
Weekend warrior
Very happy with parts but more pleased and grateful for the videos and thorough explanation and how to's Thanks much My'57 international s-110 pickup thanks you too
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Reviewed by:  from Indiana . on 3/18/2014
5 Stars
Great support
I was impressed with the quality for the kit. The videos were also helpful. The best part was the follow-up support that Mike gives. My engine went from won't start to purring! Thanks so much!
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Reviewed by:  from Flagler, FL. on 3/10/2014

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