- This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
- New stock is on the way! On order parts usually ship within 7 business days.
- Item is not in stock and usually ships 10-15 business days from the time you place your order.
- This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
Gasket- Head Cover 12312-ZM3-020
- Manufactured by:
- Honda
- ERP Number:
- ERP9885463
- Part Number:
- 12312-ZM3-020
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Product Description
?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
- Honda
- 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.
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Honda engine started burning oil and metal dust in oil.
Tim from Graham, North Carolina
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 1- 2 hours
- Tools:
- Screw drivers, Socket set, Wrench set
- Parts Used:
- 91214-ZM3-003, 91213-ZM3-003, 15625-ZE1-003, 13111-ZM5-000, 13101-ZM5-030, 13010-ZM5-000, 12312-ZM3-020
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.
Camshaft had teeth broken off
Jerald from STOCKBRIDGE, Georgia
- Difficulty Level:
- Difficult
- Total Repair Time:
- More than 2 hours
- Tools:
- Pliers, Screw drivers, Socket set, Wrench (Adjustable)
- Parts Used:
- 14100-ZM3-010, 12312-ZM3-020
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Model Cross Reference
Manufacturer Part Number: 12312-ZM3-020
| Brand | Model Number | Description |
|---|---|---|
| Honda | FG100 | Tiller - Rototiller |
| Honda | GX22 | Engine - Small Engine |
| Honda | GX22SA | Engine - Honda Small Engine Model GX22SA Parts |
| Honda | GX22SA2 | Engine - Honda Small Engine Model GX22SA2 Parts |
| Honda | GX22SA5 | Engine - Honda Small Engine Model GX22SA5 Parts |
| Honda | GX22SAT | Engine - Honda Small Engine Model GX22SAT Parts |
| Honda | GX22SAT5 | Engine - Honda Small Engine Model GX22SAT5 Parts |
| 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 |
| Honda | GX31TAP | Engine - Honda Small Engine Model GX31TAP Parts |
| Honda | HHE31C | Edger - Stick Edger |
| Honda | HHT31S | Trimmer - Trimmer/Brush Cutter |
| Honda | UMK422 | Trimmer - Trimmer/Brush Cutter |
| Honda | UMK422K1 | Trimmer - Trimmer / Brushcutter |
| Honda | UMK431 | Trimmer - Trimmer / Brushcutter |
| Honda | UMK431K1 | Trimmer - Trimmer / Brushcutter |
| Honda | WX10 | Water Pump - Water Pump |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.