Water Pumps and Accessories - Mercury Sea Pumps

Stainless Steel "Extreme" Sea Pump Overhaul Kit

Finally a Sea Water Pump repair kit designed to do the job once and for all and will last a lifetime. Hardin Marine has designed an all new 316L stainless steel water pump impeller housing to replace the cheap factory plastic style housings used on original equipment applications. These impeller housings won't corrode, erode, or crack and fall apart like original equipment units. The one piece rear impeller housing features a unique rear housing that has 1" NPT female inlet/outlet ports so that a wide range of fitting and hose connections can be used for ease of installation. If your looking to do this job once and for all this could possible be the last sea water pump repair kit you ever buy look no further as this is the finest direct replacement sea pump repair kit on the market today.

The kit includes:

• O-rings
• Impeller
• Stainless Wear Plates
• Polished Stainless Steel Sea Pump Body
• Bolts, Nuts & Washers

This kit replaces:

• Quicksilver – 46-72744-A32
• Mercury – 46-807151A14
• Mercruiser – 46-807151-A2
• Mercury – 46-807151-A8
• Mercury – 46-807151-A9
• Sierra - 18-3150

Note: Requires Fittings. See related items.

See here for individual replacement parts.

Early MerCruiser 3-Piece Sea Pump Impeller Repair Kit

This repair kit is designed to overhaul the impeller section of an early style MerCruiser sea pump. This kit includes a new impeller, impeller housing, gaskets, wear plate and o-ring. The rear wear plate is not included in this kit (if needed the part number is 525-94916)

Brass Housing Seawater Pump Service Kit- Fits GLM one piece brass body pump- Fits Mercruiser one piece pump replaces MerCruiser part # 47-807151A14

Brass Housing
Fits GLM one piece brass body pump Fits Mercruiser one piece pump

Impeller Rebuild Service Kit - For Gen 4, Gen 5/6, Rev. 1 Hardin Stainless Pumps - Mercury Replacement

This impeller kit is a rebuild service kit for the Hardin Marine stainless impeller housing 625-4178 and stainless pumps 625-4110 and 625-4118 . This kit comes with new wear plates , O-rings, and impeller. Rev. 1 Version for pumps manufactured up to 12/2012.

Which Rebuild kit do I need?

Rev. 1 pumps have a 1/8" drain plug in the rear housing and a slotted front wear plate.
Rev. 2 pumps have no drain plug and a solid front wear plate.

Mercury

This impeller kit is a rebuild service kit for the Hardin Marine stainless impeller housing 625-4178 . 

• (1)Impeller
• (2) Wear Plate
• O-rings

See here for individual replacement parts.

Impeller Rebuild Service Kit - For Gen 4 and Gen 5/6 Rev. 2 Hardin Stainless Pumps - Mercury Replacement

This impeller kit is a rebuild service kit for the Hardin Marine stainless impeller housing 625-4178 and stainless pumps 625-4110 and 625-4118 . This kit comes with new wear plates , O-rings, and impeller. Rev. 2 Version for pumps manufactured from 01/2013

Which Rebuild kit do I need?

Rev. 1 pumps have a 1/8" drain plug in the rear housing and a slotted front wear plate.
Rev. 2 pumps have no drain plug and a solid front wear plate.

Mercury

This impeller kit is a rebuild service kit for the Hardin Marine stainless impeller housing 625-4178 . 

• (1)Impeller
• (2) Wear Plate
• O-rings

Master Rebuild Service Kit - For Gen. 4 Hardin Stainless Pumps with Plastic Rear Body - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless pump 625-4111. This kit comes with new wear plates , O-rings, seals, impeller, rear housing and retaining clip.

Master Rebuild Service Kit - For Gen. 5/6 Hardin Stainless Pumps - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless pump 625-4118. This kit comes with new wear plates , O-rings, seals, impeller and retaining clip.

Master Rebuild Service Kit - For Gen. 5/6 Hardin Stainless Pumps with Plastic Rear Body - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless pump 625-4118. This kit comes with new wear plates , O-rings, seals, impeller, rear housing and retaining clip.

Master Rebuild Service Kit - For Gen. 4, Rev. 1 Hardin Stainless Pumps - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless pump 625-4110. This kit comes with new wear plates , O-rings, seals, impeller and retaining clip.

Which Rebuild kit do I need?

Gen. 4, Rev. 1 pumps have a 1/8" drain plug in the rear housing and a slotted front wear plate.
Gen. 4, Rev. 2 pumps have no drain plug and a solid front wear plate.

Master Rebuild Service Kit - For Gen. 4, Rev. 2 Hardin Stainless Pumps - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless impeller housing 625-4178 and stainless pump 625-4110 . This kit comes with new wear plates , O-rings, seals, impeller and retaining clip.

Which Rebuild kit do I need?

Gen. 4, Rev. 1 pumps have a 1/8" drain plug in the rear housing and a slotted front wear plate.
Gen. 4, Rev. 2 pumps have no drain plug and a solid front wear plate.

SeaPump Master Rebuild Mercury Gen 3, 850/1075

• 850 SCI: 0M957579 & UP
• 1075 SCI: 0M905359 THRU OM957024 GEN 3 PUMP ONLY. 0M957032 & UP
• 1025 SCI: ALL
• 1100 QC4V: ALL
• 1200 SCI: ALL
• 1350 QC4V: ALL
• 1650 QC4V: ALL

Upper Seawater Pump Housing Impeller Kit replaces MerCruiser part # 46-96148T8

For Drive Mounted- MC-1 / R / MR / Alpha One

Kit Contains:

Complete Water Pump Kit replaces MerCruiser part # 817275Q5

Kit Includes:
• 700-85590 Face Seal
• 700-89630 Impeller
• 700-31240 Gasket
• 700-12500 Face Plate
• 700-30090 Gasket
• 700-85140 Seal
• 700-31170 Washer
• 700-82110 O-Ring

• Replaces Impellers on Hardin Ram Force, Multi-Stage, Lifetime Series Pumps.
• D Shaped Shaft AKA "Single Flat"
• 8 Vane Impeller
• Replacement Impeller For Mercury OEM Sea Pumps
• Replaces OEM Mercruiser # 47-59362T1

Pair of Cast 316L Stainless Steel Fittings
1" NPT To 1-1/4" Straight

• 625-4100
• 625-4105
• 625-4106
• 625-4107
• 625-4109
• 625-4110
• 625-4118
• 625-4178

***WARNING**** Do not fall victim to the failure of the OEM blue plastic drain plugs. The factory cheap plugs crack, break off and create service to nightmares to actual water leaks into your boat. Hardin Marine has designed the "Lifetime Series" drain plugs to perfectly blend with their award winning lifetime series sea pumps. Whether your replacing your sea pump or merely servicing your boat you cannot afford to not update to the simple to install safer drain plugs. these replacements for Mercruiser #22-806608A02 / 8M2000874 from Hardin Marine are polished Stainless Steel and will last a lifetime!