Sierra 18-3517 Mercury MerCruiser Water Pump Kit

Sierra 18-3517 Water Pump Kit (Without Base)

Sierra replacement water pump kit for Mercury and MerCruiser engines. Sierra high quality aftermarket parts are manufactured to meet or exceed OEM requirements.

• Fits: Mercury/Mariner 65 HP (4 cylinder) through V-6 outboards w/ short vane impellers
• Fits: MerCruiser I/R/MR/Alpha Drives (s/n 2495186 - 0D469858)

Kit does not include water pump base. If you need base, purchase SIE-18-3320 for MerCruiser Sterndrives, Mercury Outboard Applications see Mercury Water Pump Application Chart.

Kit Includes:

• (1) 18-3109 Water tube
• (1) 18-3017 Impeller
• (1) 18-3116 Housing
• (1) 18-2919 Water pump base to gear housing gasket
• (1) 18-3110 Grommet
• (2) 18-2945 Gear housing with screw gasket
• (1) 18-2826 Water pump base to gear housing gasket
• (1) 18-2914 Lower water pump to wear plate gasket
• (1) 18-2915 Upper water pump to wear plate gasket
• (1) 18-2944 Seal ring
• (1) 18-3117 Plate
• (1) 18-7158 O-ring
• (1) 18-7162 O-ring
• (1) 18-7173 O-ring
• (1) 18-2801 Water pump gasket
• (1) 18-7196 O-ring
• (1) 18-7426 O-ring

Interchangeable with:

• GLM
• 12280
• EMP
• 46-00090
• Mallory
• 9-48311
• MerCruiser Stern Drive
• 46-32437A3
• 46-37433A1
• 46-96148A8
• Mercury Marine
• 46-32437A1
• 46-37433A1
• 46-42579A4
• 46-44292A4
• 46-48747A3
• 46-57234A3
• 46-58618A4
• 46-60367A1
• 46-60367A4
• 46-64141A11
• 46-69222A3
• 46-73802A3
• 46-73804A3
• 46-78400A2
• 46-96148A5
• 46-96148A8

Frequently Asked Questions

What is the Sierra 18-3517 Water Pump Kit used for?

The Sierra 18-3517 Water Pump Kit is a replacement water pump kit for Mercury and MerCruiser engines. It fits Mercury/Mariner 65 HP 4-cylinder through V-6 outboards with short vane impellers and MerCruiser I/R/MR/Alpha drives within the listed serial number range.

Which Mercury and Mariner outboards does the Sierra 18-3517 fit?

The Sierra 18-3517 fits Mercury/Mariner 65 HP 4-cylinder through V-6 outboards with short vane impellers. The description does not provide specific model years for these outboards, so verify your application using the Mercury Water Pump Application Chart before purchasing.

Which MerCruiser drives does the Sierra 18-3517 Water Pump Kit fit?

This water pump kit fits MerCruiser I/R/MR/Alpha drives with serial numbers from 2495186 through 0D469858. Check your drive's serial number against this range to help verify compatibility before purchasing.

Does the Sierra 18-3517 Water Pump Kit include the water pump base?

No. The Sierra 18-3517 Water Pump Kit does not include the water pump base. For MerCruiser sterndrive applications, the product description specifies Sierra 18-3320 if a base is needed. For Mercury outboard applications, refer to the Mercury Water Pump Application Chart.

What is included in the Sierra 18-3517 Water Pump Kit?

The kit includes an 18-3109 water tube, 18-3017 impeller, 18-3116 housing, 18-3110 grommet, 18-3117 plate, 18-2944 seal ring, multiple gaskets, and O-rings. The kit does not include a water pump base.

What part numbers are interchangeable with the Sierra 18-3517?

The Sierra 18-3517 is listed as interchangeable with GLM 12280, EMP 46-00090, Mallory 9-48311, MerCruiser Stern Drive 46-32437A3, 46-37433A1, and 46-96148A8, along with the Mercury Marine part numbers listed in the product description. Verify the part number and application before ordering.

California Residents: WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov