Description
Sierra Marine Compression Tester
Manufacturer’s Part Number: 18-9800
Perfect for hard to reach bottom spark plug holes on older Mercury models.
Item Condition: New, old stock inventory item. NOS means there may be signs of age from shelf life. All NOS are sold in uninstalled, working condition. Most parts have been removed from original packaging for picture details.
Please contact us if you have any questions, or need motor application assistance. When contacting us it helps to have all your motor information available to provide to us. (Make, Model/Serial Number, Year)
