Medium
30-60 minutes
It is an authentic manufacturer-sourced replacement part which is specially designed for use with Honda engines commonly installed on lawn and garden equipment. This diaphragm is generally utilized to provide an air-tight seal for the pump, over time it may wear out and begin to fail eventually requiring a replacement. Keep in mind this high-quality item is made of durable composite material and is sold individually.
Diaphragm- Pump 16014-ZM3-004
OEM part for: Honda
Part Number: 16014-ZM3-004
$3.99
In Stock
Ships within 1 business day 
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Compatibility
This Diaphragm- Pump will fit the following 119 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Honda
Show More Compatible ModelsThis item works with the following types of products:
- Engine Parts
- Edger Parts
- Trimmer Parts
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Fuel bulb and diaframs old/stiff
Chuck - February 22, 2023
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Wrench Set, Nutdriver
Rebuilt carb
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Engine died under load
Robert - April 16, 2022
Tool Type
Engine
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Power Drill, Nutdriver
Removed starter assembly, fuel tank and carburetor. Disassembled carb, cleaned with carb cleaner, replaced gaskets, diaphragm, etc. Replaced fuel filter. Reassembled everything. Added fuel. Started up and ran like new!! Rototilled garden.
Really appreciated parts diagrams provided on your website.
Really appreciated parts diagrams provided on your website.
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Carburetor would not stay running.
Rick - June 13, 2020
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Nutdriver
Removed, throttle cable from carb, air cleaner cover, filter (foam), nuts holding, carb choke cover, carburetor and insultator and old gaskets.
Reassembled in reverse order with new gaskets, carb and carb insulator, carb choke housing, filter and cover. Connect throttle cable, new primer bulb.
Started up on 2nd pull, now once started starts on first pull and stays running.
Reassembled in reverse order with new gaskets, carb and carb insulator, carb choke housing, filter and cover. Connect throttle cable, new primer bulb.
Started up on 2nd pull, now once started starts on first pull and stays running.
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Not starting
Shane - April 10, 2016
Tool Type
Trimmer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Install new priming pump button, new gaskets on the carburetor clean carburetor and reinstalled. Installed new spark plug.
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
