reCAPTCHA script loading
1. grecaptcha.ready() fired, calling

   grecaptcha.execute('6Ldcnt0eAAAAAGkkIanGcfY-sQKxIWT66cXb0WwC', { action: 'part_details' })'

2. Received token from reCAPTCHA service, sending to our backend with:

   fetch('/recaptcha-v3-verify.php?token=abc123

3. Received response from our backend:

   { "json": "from-backend" }

• Home
• Parts
• 18-9800 - Compression Tester

18-9800 - Compression Tester

List Price $103.60	Your Price $78.37 You save $25.23
Part Number 18-9800	Manufacturer Sierra Marine

In Stock

SECURE CHECKOUT
SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

18-9800 COMPRESSION TESTER

Perfect for hard to reach bottom spark plug holes on older Mercury models.

Sierra Marine 18-9800 - Compression Tester is equivalent to parts:

• 9-79804 Mallory Marine

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.

List Price
$103.60

Your Price
$78.37
You save $25.23

In Stock

SECURE CHECKOUT
SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Part Number
18-9800

Manufacturer
Sierra Marine

18-9800 COMPRESSION TESTER

Perfect for hard to reach bottom spark plug holes on older Mercury models.

 

Sierra Marine 18-9800 - Compression Tester is equivalent to parts:

• 9-79804 Mallory Marine

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.

18-9800 - Compression Tester 0.2900 0.2900 lb Sierra Marine 18-9800 18-9800 COMPRESSION TESTER Perfect for hard to reach bottom spark plug holes on older Mercury models. 78.37