For many years NGK Spark Plugs has been firing racing engines throughout the world. NGK Spark Plugs has become an icon in spark plug technology and we pride ourselves in offering racers a high quality product that will help rocket them to victory. We realize race teams push their vehicles to the edg...

Tune Up Kit for Thunderbolt (HEI) Ignition V6 Replaces Mercruiser 815407Q 5, 815407A 2. Kit contains Cap, Trigger Wheel and gasket.

Manifold to Riser 1981-1998 OMC V6 & V8 Volvo 1994 and After, SX V6 & V8

The Sierra 18-7353 Fuel Pump is interchangeable with the following: Evinrude/Johnson 438555, 433386, Mallory 9-35353. Each Sierra product meets or exceeds the original equipment part it replaces.

OEM: MERCURY MARINE 27-52145, OMC 3852693, 912981, 913277

Twin Air filter's design, high quality materials and superior construction deliver unbeatable performance and protection, designed to increase airflow while ensuring the highest level of protection from dirt/dust. Dual foam design: Coarse open-pore foam catches airborne dirt, grime and sand, fine op...

Champions longest life plug, designed to replace original equipment double platinum plugs. The center and side electrode are both tapered to aid in focusing the spark for better performance while both the side and center electrodes are also platinum tipped for superior erosion resistance (longer lif...

Carburetor Rebuild Kit includes needles, jets o-rings and gaskets for rebuilding your carburetor to stock performance.

Combination Seal Kit and Water Pump Repair Kit for Alpha Gen II. Replaces select items of 26-816575A3 and 47-43026Q06 and 18-3214. This impeller has the latest engineered plastic hub. This combination kit combines select items for you to service your water pump kit and seal the lower unit on your Me...

The Sierra 18-2831-9 Thermostat Cover Gasket is interchangeable with the following: Barr MC472747590, GM 31430, Mallory 9-60012, Mercruiser 27-475901, 27-47590, 27-47590B1. Each Sierra product meets or exceeds the original equipment part it replaces.

NGK Spark Plugs are designed to operate over a much wider heat range than ordinary plugs. They resist carbon buildup and pre-ignition. Each features high alumina ceramics for better heat transfer and electrical insulation. A patented triple gasket sealing process eliminates the possibility of combus...

Brand new, genuine Mercury Marine/Mercruiser Gasket Assy. This is a factory original equipment part, not aftermarket.