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625-4178 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.
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530-72774A89 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)
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700-12088 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
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625-4179 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.
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 .
Kit includes:
- (1)Impeller
- (2) Wear Plate
- O-rings
See here for individual replacement parts.
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625-4189 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.
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 .
Kit includes:
- (1)Impeller
- (2) Wear Plate
- O-rings
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625-4203 This rebuild kit is designed for use with the 625-4102, 625-4132, 625-4131 & 625-4101.
Not for use on Stock pumps!
Standard Rebuild Kit for Gen 7 Sea Pump, Mercury 350, 496 and 502 Mag
Rebuild a 625-4101, 625-4102, 625-4131 and 625-4132 Stainless Steel Sea Pumps with this kit. This standard kit includes the wear plates, o-ring, impeller and gasket.
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625-4133 This rebuild kit is designed for use with the 625-4132 & 625-4131 GEN 7 PLUS Sea Pumps built 2020 and later. You can identify a Gen 7 Plus by the clear marking on the pump snout reading "Hardin Marine Gen 7 Plus"
Not for use on Stock pumps or older Model Gen 7 Sea pumps!
Deluxe Rebuild Kit for Gen 7 Plus Sea Pump, Mercury 350, 496 and 502 Mag
Rebuild a 625-4132 Stainless Steel Sea Pump with this kit. This deluxe kit includes wear plates, snap rings, seals, bearings, o-ring, impeller and gasket.
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625-4204 This rebuild kit is designed for use with the 625-4102 & 625-4101 GEN 7 Sea Pumps built 2019 and earlier.
Not for use on Stock pumps or new Model Gen 7 PLUS Sea pumps!
Deluxe Rebuild Kit for Gen 7 Sea Pump, Mercury 350, 496 and 502 Mag
Rebuild a 625-4102 Stainless Steel Sea Pump with this kit. This deluxe kit includes wear plates, snap rings, seals, bearings, o-ring, impeller and gasket.
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625-4187 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.
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625-4175 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.
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625-4188 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.
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625-4173 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.
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625-4174 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.
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700-12280 Upper Seawater Pump Housing Impeller Kit replaces MerCruiser part # 46-96148T8
For Drive Mounted- MC-1 / R / MR / Alpha One
Kit Contains:
Part # |
MerCruiser # |
Description |
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Part # |
MerCruiser # |
Description |
700-12410 |
48-96148A1 |
Housing |
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700-12510 |
32435 |
Wear Plate |
700-12820 |
23-29804 |
Guide Tube |
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700-21330 |
25-30271 |
Slinger |
700-31010 |
27-85608-1 |
Gasket |
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700-31020 |
27-858524 |
Gasket |
700-31030 |
27-32438 |
Gasket |
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700-31040 |
27-856704 |
Gasket |
700-31050 |
27-42631-1 |
Gasket |
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700-31170 |
12-20260 |
(2)Gasket |
700-81160 |
25-30613 |
O-ring |
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700-81390 |
25-90011 |
O-ring |
700-82250 |
25-30224 |
O-ring |
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700-82260 |
25-33145 |
O-ring |
700-85140 |
26-45577-1 |
Seal |
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700-89840 |
47-89984T4 |
Impeller |
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700-12414 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
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625-4011
- 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
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540-222150 Pair of Cast 316L Stainless Steel Fittings
1" NPT To 1-1/4" Straight
These fittings are commonly used with Hardin Marine's Lifetime Sea Pumps and Rebuild Kits.
Use With:
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625-4274 This replaces Mercury OEM P/N #840052
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625-4289 ***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!
The thread on this plug is 1/2-13
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625-4299 Stainless Steel Sea Pump Drain Plugs - Mercruiser 22-806608A02 / 8M2000874 (5 Pack)
(5) Five per package
If you are tired of having the blue plastic drain plug tabs crumble in your fingers then look no further, these replacements for Mercruiser #22-806608A02 / 8M2000874 from Hardin Marine are polished Stainless Steel and will last a lifetime! Plugs are 1/2-13 thread.
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