This engine cylinder (part number 530012550) is for chainsaws.
Engine cylinder 530012550 is the casing in which the piston travels.
Let the engine cool and disconnect the spark plug wire before installing this part. Wear work gloves to protect your hands.
530012550 (or 530071412)
The manufacturer substituted part 530071412 with this new part 530012550
Lawn & Garden/Yard/Farm