Lawn & Garden Equipment Engine O-Ring 921-04663A

Brand: MTD · Fits: 2 models · Reference price: $10.60

921-04663A is a MTD replacement part (lawn & garden equipment engine o-ring). Our fitment data lists 2 models that use it.

When to replace this part

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Models that use this part

Other parts for model 670-WUB

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

• MTD Bracket 951-15153
• MTD Guard 951-15155
• MTD Guard 951-15185
• MTD Housing 951-15228
• MTD Muffler 951-15158
• MTD Recoil Starter Assembly 951-05442
• MTD STUD M6 X 90 951-15580
• Adjuster 951-12002

Reference price and where to compare

The reference price on file for this part is $10.60. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare 921-04663A listings on Amazon

Before you order

• Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
• Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
• If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool