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Repair Parts Home  Lawn Equipment Parts  Honda Parts  12312-ZM3-020 Gasket- Head Cover
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Gasket- Head Cover

Part Number: 12312-ZM3-020
1 Reviews
Honda
Availability: 6 in stock
Price: $3.11
Ships within 1 business day
Questions & Answers
Repair Instructions
Product Information
Manufacturer: Honda
Product Number: 12312-ZM3-020
Classification: Part
Weight: 0.02 lbs.
Shipping: Ships Worldwide
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.
Frequently Purchased With
Gasket- Insula..
Gasket- Insula..
 $2.99
Compatibility

This part is compatible with the following machines:

Honda
GX31 (Type SA)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type SA2)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type SA2/A)(VIN# GCAG-2100001-9999999) Small Engine
GX31 (Type SA5)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type STW2)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type SAT)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type STW2/A)(VIN# GCAG-2100001-9999999) Small Engine
GX31 (Type SAT/A)(VIN# GCAG-2100001-9999999) Small Engine
GX31 (Type TA2)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type SAT5)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type TA2/A)(VIN# GCAG-2100001-9999999) Small Engine
GX31 (Type SCMS)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type TAP)(VIN# GCAG-1000001-2099999) Small Engine
GX31 (Type SCMS/A)(VIN# GCAG-2100001-9999999) Small Engine
GX31 (Type TAP/A)(VIN# GCAG-2100001-9999999) Small Engine
GX22 (Type SAT)(VIN# GCAF-1000001-1399999) Small Engine
GX22 (Type SAT/A)(VIN# GCAF-1400001-9999999) Small Engine
GX22 (Type SAT5)(VIN# GCAF-1000001-1399999) Small Engine
GX22 (Type TA)(VIN# GCAF-1000001-1399999) Small Engine
GX22 (Type TA2)(VIN# GCAF-1000001-1399999) Small Engine
GX22 (Type TA2/A)(VIN# GCAF-1400001-9999999) Small Engine
GX22 (Type SA)(VIN# GCAF-1000001-1399999) Small Engine
GX22 (Type SA2)(VIN# GCAF-1000001-1399999) Small Engine
GX22 (Type SA2/A)(VIN# GCAF-1400001-9999999) Small Engine
GX22 (Type SA5)(VIN# GCAF-1000001-1399999) Small Engine
FG100 (Type A)(VIN# FZCV-6000001 to FZCV-9999999) Rototiller
FG100 (Type A1)(VIN# FZCV-6000001 to FZCV-9999999) Rototiller
FG100 (Type A1/A)(VIN# FZCV-6000001 to FZCV-9999999) Rototiller
HHE31C (Type A)(VIN# MABA-1000001 TO MABA-9999999) Stick Edger
HHE31C (Type A/A)(VIN# MABA-1000001 TO MABA-9999999) Stick Edger
HHT31S (Type LTA)(VIN# HADA-1000001 to HADA-9999999) Trimmer/Brush Cutter
HHT31S (Type LTA/A)(VIN# HADA-1000001 to HADA-9999999) Trimmer/Brush Cutter
HHT31S (Type UNBA)(VIN# HABA-1000001 to HABA-9999999) Trimmer/Brush Cutter
HHT31S (Type UNBA/A)(VIN# HABA-1000001 to HABA-9999999) Trimmer/Brush Cutter
UMK422 (LNA) Trimmer/Brush Cutter
WX10 (Type A1)(VIN# GCAG-1000001-2099999) Water Pump
WX10 (Type A2)(VIN# GCAG-1000001-2099999) Water Pump
WX10 (Type A4)(VIN# GCAG-1000001-2099999) Water Pump
WX10 (Type A4/A)(VIN# GCAG-2100001-9999999) Water Pump
UMK431 (Type UNBA)(VIN# GCAG-1000001-9999999) Trimmer / Brushcutter
UMK431K1 (Type UNBA)(VIN# GCAG-1000001-2099999) Trimmer / Brushcutter
UMK431K1 (Type UNBA/A)(VIN# GCAG-2100001-9999999) Trimmer / Brushcutter
UMK422 (Type LNA)(VIN# GCAF-1000001-9999999) Trimmer / Brushcutter
UMK422 (Type LTA)(VIN# GCAF-1000001-9999999) Trimmer / Brushcutter
UMK422K1 (Type LNA)(VIN# GCAF-1000001-1399999) Trimmer / Brushcutter
UMK422K1 (Type LTA)(VIN# GCAF-1000001-1399999) Trimmer / Brushcutter
UMK431 (Type LNA)(VIN# GCAG-1000001-9999999) Trimmer / Brushcutter
UMK431 (Type LTA)(VIN# GCAG-1000001-9999999) Trimmer / Brushcutter
UMK431K1 (Type LNA)(VIN# GCAG-1000001-2099999) Trimmer / Brushcutter
UMK431K1 (Type LNA/A)(VIN# GCAG-2100001-9999999) Trimmer / Brushcutter
UMK431K1 (Type LTA)(VIN# GCAG-1000001-2099999) Trimmer / Brushcutter
UMK431K1 (Type LTA/A)(VIN# GCAG-2100001-9999999) Trimmer / Brushcutter
Expand the 52 compatible machines
Products Compatibility

This item works with the following types of products:

  • • Edger
  • • Engine
  • • Trimmer
Questions & Answers
No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
Tool Type:
Engine
Parts Used:
Gasket, Oil Filler Cap - 15625-ZE1-003
Ring Set- Piston - Std - 13010-ZM5-000
Gasket- Head Cover - 12312-ZM3-020
Piston - 13101-ZM5-030
Pin- Piston - 13111-ZM5-000
Oil Seal - 12x25x6 - 91213-ZM3-003
Oil Seal - 15x25x6 - 91214-ZM3-003
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Socket set, Wrench Set
Honda engine started burning oil and metal dust in oil.
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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Tool Type:
Engine
Parts Used:
Camshaft Assy. - 14100-ZM3-010
Gasket- Head Cover - 12312-ZM3-020
Repair Difficulty:
Hard
Time Spent Repairing:
More than 2 hours
Tools Used:
Screwdriver, Pliers, Socket set, Adjustable Wrench
Camshaft had teeth broken off
How to take engine apart and replace camshaft.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Reviews
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Average Rating (out of 5):
1 Reviews
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    • oem parts
    original Honda part, fit is to expected perfect and was.
    Guest - April 12, 2022 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Honda
    Product Number: 12312-ZM3-020
    Classification: Part
    Weight: 0.02 lbs.
    Shipping: Ships Worldwide

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