4th of JULY SALE - Save an Extra 10-50% Off!
Fantastic Savings Everywhere!

Mercruiser Spanner Nuts

Save 32%-39% Off.
Spanner Nut V6 - 18-3751 - Sierra
Meltdown Sale Price: $15.59
Save: $7.36
(32% Off $22.95)
Part # 18-3751 ValueShip™ Eligible
No Reviews | Write Review | Ask Question
Replaces OEM part #
Mallory Nut, Spanner 9-72155
Mallory Nut, Spanner 9-72155
Meltdown Sale Price: $13.37
Save: $8.91
(39% Off $22.28)
Part # 9-72155 ValueShip™ Eligible
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
Replaces GLM #:21120
Replaces Original Equipment Manufacturer(OEM):Mercruiser / Mercury
Replaces Original Equipment Manufacturer # (OEM #):79448
Fits Application: V-6
Ask a question for
Question & Answer Guidelines
This product ships in 1 to 3 business days.

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
Gear up for Summer Boating.
Extra 10-50% Savings during the 4th of July Sale!