Prices are melting for cool savings.
Save Now during our BIGGEST Sale of the Year!

Mariner Compression Tester

Blowout
Save 24%-34% Off.
Compression Tester - 18-9800 - Sierra
Meltdown Sale Price: $53.09
Save: $17.49
(24% Off $70.58)
Part # 18-9800 ValueShip™ Eligible
No Reviews | Write Review | Ask Question
  • Perfect for hard to reach bottom spark plug holes on older Mercury models.
Mallory Compression Tester 9-79804
Meltdown Sale Price: $45.13
Save: $23.33
(34% Off $68.46)
Part # 9-79804 ValueShip™ Eligible
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
Replaces Original Equipment Manufacturer(OEM):Mercury
Fits Application:Universal
Sierra
Ask a question for
Question & Answer Guidelines
This product ships in 1 business day.

Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
* Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Save More Now during the Summer Price Meltdown Sale!