Replacement Water Pump Kit - Compatible with 1963-2014 Mercruiser, 1973 & later Volvo Penta, 1968-1998 OMC, Chrysler and Indmar - 140-200 HP, V6 155-205 HP, V8 230-260 Hp - Replaces 8M0113734

• Replacement Water Pump Kit - This water pump is an engine-powered bi-directional pump that circulates seawater to maintain the right engine temperatures. Replacing the water pump is a safety measure that needs to be done regularly every 75,000-100,000 miles to prevent engine damage before it fails completely.
• Compatible Replacement with the following - 1963-2014 Mercruiser | 1973 & later Volvo Penta | 1968-98 OMC | 4.3L, 5.0L, 5.7L V6/V8 Engines | Chrysler, Indmar, and Pleasurecraft small block cooling systems - 140-200 Hp | V6, 155-205 Hp | V8, 230-260 Hp small block GM & MIE engines. This water pump is applicable to steel and composite timing chain covers and all small block V8 engines. It can easily be located above the lower gear case assembly.
• Replaces Part# Mercruiser 8M0113734, 8503991, 850399, 17437, 850399002, 878341, 811841, 60658, FI1101292, 54793, 52226, FI1101208, FI1100742, 37951, 35341, Sierra 18-3599-2, Chrysler MW02, API Marine WP1500, Barr MC-2-17437, Crusader 20318, GLM 15201, Indmar S551045, Mallory 9-42606, MES WP453ML, Pleasurecraft RA057018. This kit includes a new black solid steel water pump, stainless shaft, pulley and steel backing plate which provides maximum corrosion resistance and durability.
• OEM Fit, Quality, Finish - While this is not a genuine OEM part. It is a direct replacement and comes complete with new gaskets 18-0891, water pump with brass tubes and stainless impeller cover for a complete proper installation and performance. If your boat shows low water pressure or stops circulating water which can cause overheated engine then your water pump may need replacing.
• Lifetime Warranty - This water pump from AA Ignition comes complete with a lifetime warranty. If the part ever fails on your 4.3L, 5.0L, 5.7L V6/V8 Boat Engines simply contact us for a replacement. Avoid yourself from headache by replacing your worn timing components and save time and money by purchasing this kit from AA Ignition.

This water pump is an engine-powered bi-directional pump that circulates seawater to maintain the right engine temperatures. Replacing the water pump is a safety measure that needs to be done regularly every 75,000-100,000 miles to prevent engine damage before it fails completely. This includes a new stainless steel backing plate that provides maximum corrosion resistance and durability. This water pump is applicable to steel and composite timing chain covers and all small block V8 engines. It is located above the lower gear case assembly.


This will NOT fit on water pumps 2007 and newer V6 4.3L engines without a water bypass hole.

Compatible with the following:

1963-2014 Mercruiser
1973 & later Volvo Penta
1968-98 OMC
4.3L, 5.0L, 5.7L V6/V8 Engines
Chrysler, Indmar, and Pleasurecraft small block cooling systems - 140-200 Hp ' V6, 155-205 Hp ' V8, 230-260 Hp small block GM & MIE engines.

Replacement part number: 8M0113734, 8503991, 850399, 17437, 850399002, 878341, 811841, 60658, FI1101292, 54793, 52226, FI1101208, FI1100742, 37951, 35341, 18-3599-2, MW02, WP1500, MC-2-17437, 20318, 15201, S551045, 9-42606, WP453ML, RA057018


This water pump kit is NOT a genuine part, Associated vehicle models are registered trademarks of their respective owners. These trademarks and part numbers are used in this listing only to identify the vehicles this water pump kit fits. AA Ignition is a registered trade mark of GWA Auto Parts Inc.