Holley 1904 Carburetor Accelerator Pump Diaphragm - AP70-1

Top quality and a perfect fit. And Mike’s even warns you about the different shaft lengths so you get the correct one. I’ll be back.

Real life saver! The kit from another supplier that my son used had the wrong part. He then ordered from Napa what was supposed to be the right one and it was also wrong!!! I had told him about Mike's but he was in a big hurry and paid the price for his haste! They had the part that we needed and we had it here in good time! Using Mike's video made the rebuild a breeze especially his video on how to fix a warped housing!

Excellent quality, surprisingly fast shipping. I definitely will buy from Mike's again. Very happy customer!

My son found Mikes carb rebuild video on YOU TUBE and watched it to figure out what he was doing wrong on his Holley 1908 single bbl carb, he found he missed a washer gasket between two parts , my son ripped his new accelerator pump diaphram , we ordered a new one from MIKES CARB PARTS , rec'd it super fast, son put it in , it worked perfect, I'd recommend Mikes Carb parts to everyone , and already have , great source for carb parts, and cheap shipping costs. Thank you Mikes Carb Parts for great service.

This is the 2nd order from Mike's I have placed with a total of 4 items for parts for my 65 Scout with a Holley 1904 carb. All parts came in great shape and they worked well. It only took 2days from Washington state . It takes NAPA 3 days for anything I order to get here. Will always use Mike's to get carb parts