Part Location Diagram of 12312-ZM3-020 Honda Gasket- Head Cover
See part F-3 in the diagram
( Grid squares measure 1x1 inch )

Gasket- Head Cover 12312-ZM3-020

Manufactured by:
Honda
ERP Number:
ERP9885463
Part Number:
12312-ZM3-020
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!
Minimum Quantity of 2 required

A Bit Difficult 

More than 2 hours 

(2 rated repairs) ?

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Product Description

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This is an OEM part sourced directly from the manufacturer. The head cover gasket is commonly found in Honda small engines. This part is made of flexible plastic, and is used to seal the connection between the head cover and the cylinder assembly. You will require a wrench when replacing this item. The head cover gasket is available as an individual replacement part.

Troubleshooting

This part works with the following brands:
  • Honda
This part works with the following products:
  • Engine
  • Trimmer

Customer Part Reviews

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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.

A Bit Difficult 

More than 2 hours 

(2 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

Honda engine started burning oil and metal dust in oil.

Tim from Graham, North Carolina

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Screw drivers, Socket set, Wrench set
1.Disassemble the Honda GX31 engine.
2. Identify worn parts
3. Hone cylinder bore.
4. Replaced piston, rings, piston pin.
5. Replaced oil seals
6. Reassembled engine.
7. Allowed rtv sealant to cure for 24 hours that sealed engine block.
8. Added engine oil and started engine.
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Camshaft had teeth broken off

Jerald from STOCKBRIDGE, Georgia

0 of 1 people found this instruction helpful.
Difficulty Level:
Difficult
Total Repair Time:
More than 2 hours
Tools:
Pliers, Screw drivers, Socket set, Wrench (Adjustable)
How to take engine apart and replace camshaft.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP9885463
Manufacturer Part Number: 12312-ZM3-020
Brand Model Number Description
Honda FG100 Tiller - Rototiller
Honda GX22 Engine - Small Engine
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Honda GX22SA2 Engine - Honda Small Engine Model GX22SA2 Parts
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Honda GX22SAT Engine - Honda Small Engine Model GX22SAT Parts
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Honda GX22TA Engine - Honda Small Engine Model GX22TA Parts
Honda GX22TA2 Engine - Honda Small Engine Model GX22TA2 Parts
Honda GX31 Engine - Small Engine
Honda GX31SA Engine - Honda Small Engine Model GX31SA Parts
Honda GX31SA2 Engine - Honda Small Engine Model GX31SA2 Parts
Honda GX31SA5 Engine - Honda Small Engine Model GX31SA5 Parts
Honda GX31SAT Engine - Honda Small Engine Model GX31SAT Parts
Honda GX31SAT5 Engine - Honda Small Engine Model GX31SAT5 Parts
Honda GX31SCMS Engine - Honda Small Engine Model GX31SCMS Parts
Honda GX31STW2 Engine - Honda Small Engine Model GX31STW2 Parts
Honda GX31TA2 Engine - Honda Small Engine Model GX31TA2 Parts
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