The Best Mercury 40 Hp Outboard Engines

Quicksilver oil change kits contain industry-leading Quicksilver 25W-40 Marine Engine Oil. Over five years of engineering and development went into the exclusive Flagship Protection formula which features a high-tech, advanced set of anti-wear additives that provide up to 33% better camshaft wear protection. Designed to maintain engine reliability and performance, Quicksilver 25W-40 Marine Engine Oil has been proven to hold its viscosity ratings longer in industry wear testing than other oils on the market. Quicksilver Oil, combined with a genuine Quicksilver Oil Filter team up to provide the highest degree of protection one can get on the water.

Water pump repair kit 821354A2 is for Mercury or Mariner 40 hp through 50 hp 4-stroke outboards. The kit includes water pump impeller, drive key, face plate, gaskets and water tube seal. See your owner’s manual or service manual for specific applications and replacement instructions. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine original Equipment replacement engine parts, oils, and accessories, but also works to serve all original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.

Our decals are made of thin, durable vinyl that will give your vehicle a custom look without the price or commitment of a new paint job. They are easy to apply yourself, and each kit comes with an installation guide to help you have a smooth installation process. Our decals have a 5-year outdoor durability rating for resisting peeling, scratching, and UV damage.

Quicksilver Premium Plus TC-W3 2-cycle oil provides superior lubrication for outboards, PWC’s, motorcycles, snowmobiles and small engines. This ashless dispercement oil fights rust deposits in the combustion chamber, intake and exhaust passages. This NMMA TC-W3 oil reduces exhaust smoke and combats carbon deposits that can cause spark plug fouling or sticking rings. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years.  Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries.  It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.

PrimeShield : Using prime covers to shield your accessories.

PrimeShield 600D Heavy Duty Outboard Motor Covers
If you are looking for a protective cover for your outboard motor, this one would be a nice choice. Made of 600 denier polyester fabric with PU coating, this waterproof cover is all-weather protective and protects your motor from natural elements like uv ray, dust, hail and so on. Worried about low temperature? This motor cover is cold-resistant down to -68 Fahrenheit.

Exquisite workmanship: we produced every cover with heart
Every motor cover has double-stitched interlock seams, for better firmness. High density stitching ensures extra durability, will not rip, shrink or stretch, designed for long-term storage and mooring

Warranty Information
We offer One-Year Warranty for all PrimeShield products, please be assured place orders. We try our best to offer nice products and service.

Size specification for your reference
M: fits motor up to 10HP, 21″D x 12″W x 16″H
L: fits motor up to 20HP, 24″D x 13″W x 18″H
XL: fits motor up to 60HP, 28″D x 15″W x 25″H
XXL: fits motor up to 150HP, 29″D x 17″W x 29″H

New premium JetSki Plus brand Mercury water pump rebuild kit.

Includes all parts pictured to rebuild your water pump
Direct replacement part, no modifications needed
6 blade impeller

Replaces the following part numbers:

Mercury 46-77177A3
Sierra 18-3324
GLM 12100-

Note: Please verify your exact HP, serial number range & motor year uses one of the part numbers above before ordering as many look similar.

NOTE: Please verify the part number you need matches the entire number including the “A” suffix number at the end of the part number.
Matching the correct part number including the “A” suffix number is critical for proper fitment.

1989 – 1997 30 hp JET Serial # 0C159200 thru 0G589999

1984 – 1989 35 hp (2 CYL.) Serial # 6445653 & Up

1978 – 1979 402, 40 hp (2 CYL.) Serial # 4860103 thru 5556229

1980 – 1983 40 hp (2 CYL.) Serial # 5556230 thru 6445653

1989 – Up 40 hp (4 CYL.) Serial # 0C159200 & Up

1986 – Up 45 hp (4 CYL.) Serial # 5531630 & Up

1978 – 1985 50 hp (4 CYL.) Serial # 4962056 & Up

1984 – 1990 50 hp (3 CYL.) Serial # 6428681 thru 0D000749

1984 – 1990 60 hp (3 CYL.) Serial # 6428681 thru 0D000749

1976 65 hp (650) (3 CYL.) Serial # 4382057 thru 4571651

1979 – 1983 70 hp (3 CYL.) Serial # 4977157 thru 6428680

This under-cowl, in-line fuel filter fits many Mercury and Mariner outboards replacing contaminated filters and is mounted under the engine cowl. The translucent plastic-cased filter allows you to check for fuel content and contaminants. Don’t let water moisture or other fuel contaminants rob horsepower from your engine. Filter those particles before they can get to your engine. Used on the 30/40 EFI FourStroke outboard, the 4-cylinder (996 cc) 40/50/60 hp. EFI FourStroke outboards, the 75-115 FourStroke (1.7L, s/n 1B366823-2B094995), the 75-115 FourStroke (2.1L, s/n 2B094996 and above), the 150 EFI FourStroke (1B905505 and above) and the 135 thru 300 hp. Verado outboards. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years.  Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries.  It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.