SKU: 4665275553

Water Pump Impeller Repair Kit – Fits Mercury/Mariner 65–225 HP (Replaces 47-89984T5)

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Description

Water Pump Impeller Repair Kit – Fits Mercury/Mariner 65–225 HP (Replaces 47-89984T5)Water Pump Impeller Repair Kit Fits Mercury Mariner 65225 HP (Replaces 47 89984T5) This water pump impeller repair kit provides a reliable solution for maintaining the cooling system on a wide range of Mercury Mariner and MerCruiser engines. It is designed for Mercury Mariner 65225 HP, 2 stroke V6 outboard engines (from the 1960s to 1990s) and MerCruiser I R MR Alpha One sterndrives (serial numbers 24951860D469858). Engineered as a direct replacement

Water Pump Impeller Repair Kit – Fits Mercury/Mariner 65–225 HP (Replaces 47-89984T5)

This water pump impeller repair kit provides a reliable solution for maintaining the cooling system on a wide range of Mercury/Mariner and MerCruiser engines. It is designed for Mercury/Mariner 65–225 HP, 2-stroke V6 outboard engines (from the 1960s to 1990s) and MerCruiser I/R/MR/Alpha One sterndrives (serial numbers 2495186–0D469858).

Engineered as a direct replacement part, this kit ensures proper fit and performance, restoring your engine's cooling efficiency. It replaces multiple Mercury part numbers, including 47-89984T5, 47-89984Q5, 47-89984T3, and more.

  • Installation Type: Direct replacement for a straightforward installation.
  • Core Component: Includes a durable neoprene rubber impeller with a corrosion-resistant brass hub.
  • Complete Kit: Comes with the impeller, face plate, gaskets, seals, and other necessary hardware for a full service.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Brand Part Number
Mercury 47-89984T5
Mercury 47-89984Q5
Mercury 47-89984T3
Mercury 47-89984T4
Mercury 47-89984T6
Mercury 803631T
Mercury 89984B2
Mercury 89984B3
Mercury 89984T6
Sierra 18-3017
GLM 89840
Mallory 9-45306
Red Rhino MM-984

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Mercury/Mariner Outboard Engines

Brand Model Rated HP Stroke Years OEM Part No. Notes
Mercury 4 Cylinder 65 2-Stroke 1963–1971 47-89984T5 Serial #1542745-3293183
Mercury 70 2-Stroke 1961 47-89984T5 Serial #1413611-1566239
Mercury 4 Cylinder 75 2-Stroke 1984–1989 47-89984T5 Serial #6432901-UP
Mercury 80 2-Stroke 1969–1983 47-89984T5 Serial #1355468-3493912
Mercury 4 Cylinder 80 2-Stroke 1973–1982 47-89984T5 Serial #4831999-6432900
Mercury 85 2-Stroke 1973–1977 47-89984T5 Serial #1460999-4831998
Mercury 4 Cylinder 85 2-Stroke 1973–1977 47-89984T5 Serial #4590512-UP
Mercury 6 Cylinder 90 2-Stroke 1978–1986 47-89984T5 Serial #4845301-UP
Mercury 95 2-Stroke 1966–1967 47-89984T5 Serial #1869776-2318585
Mercury 6 Cylinder 100 2-Stroke 1962–1969 47-89984T5 Serial #1464949-3253111
Mercury JET 105 2-Stroke 1984–1993 47-89984T5 Serial #D182000-UP
Mercury 110 2-Stroke 1966–1967 47-89984T5 Serial #1870204-2314955
Mercury 115 2-Stroke 1968–1972 47-89984T5 Serial #2836019-UP
Mercury 6 Cylinder 115 2-Stroke 1966–1988 47-89984T5 Serial #4694237-UP
Mercury 125 2-Stroke 1967–1971 47-89984T5 Serial #2314956-3253111
Mercury 135 2-Stroke 1972–1973 47-89984T5 Serial #2839369-3293233
Mercury V 135 2-Stroke 1986–1988 47-89984T5 Serial #904646-UP
Mercury 140 2-Stroke 1973–1980s 47-89984T5 Serial #3293234-UP
Mercury JET 140 2-Stroke 1994–1995 47-89984T5 Serial #D082000-UP
Mercury 150 2-Stroke 1970s–1988 47-89984T5 Serial #3502806-4868647
Mercury V 150 2-Stroke 1978–1988 47-89984T5 All models
Mercury V 175 2-Stroke 1976–1988 47-89984T5 All models
Mercury V 200 2-Stroke 1978–1988 47-89984T5 All models
Mercury V 220 2-Stroke 1980s 47-89984T5 All models
Mercury V 225 2-Stroke 1980s 47-89984T5 All models

MerCruiser Sterndrives

Brand Model OEM Part No. Notes
MerCruiser MC I 47-89984T5 S/N 2495186 & Later
MerCruiser MR/Alpha One 47-89984T5 S/N 6854393-0D469858

Technical Specifications

Specification Value
Product Type Water Pump Impeller Repair Kit
Installation Direct replacement
Material Neoprene rubber impeller with brass hub
Impeller Diameter 60.0 mm (2.36 inches)
Impeller Height 33.8 mm (1.33 inches)
Hub Shaft Diameter 22.2 mm (0.87 inch)
Number of Blades 6
Weight 99.2 g (3.50 oz)
Warranty 1 Year (aftermarket)

Package Contents

  • 1 x Water Pump Impeller (47-89984T5)
  • 1 x Face Plate with Gasket
  • 1 x Drive Key/Pin
  • 1 x Water Tube Guide Sleeve
  • 2 x O-rings
  • 2 x Gearlube Fill & Vent Screw Seals

Installation Guide

  1. Disconnect the negative battery cable to prevent accidental starting.
  2. Drain the gearcase lube from the lower unit.
  3. Remove the bolts securing the lower unit (gearcase) and carefully detach it from the engine's midsection.
  4. Unbolt and remove the water pump housing to access the impeller.
  5. Remove the old impeller, face plate, gaskets, and key. Take note of the impeller vane direction.
  6. Thoroughly clean the mating surfaces of the housing and wear plate, removing any old gasket material or debris.
  7. Install the new gasket and face plate onto the gearcase.
  8. Slide the new drive key into the driveshaft and install the new impeller, rotating it in the direction of engine operation to correctly orient the vanes.
  9. Install new o-rings/seals and reinstall the water pump housing, ensuring bolts are torqued to the manufacturer's specification.
  10. Carefully guide the lower unit back into place, ensuring the driveshaft, shift shaft, and water tube align correctly.
  11. Refill the gearcase with the specified marine gear lube.
  12. Reconnect the battery. Before launching, use a flush attachment to supply water and test the engine, checking for a strong water stream from the tell-tale outlet.

Troubleshooting & FAQ

How do I confirm this kit fits my engine?
Check your engine's model and serial number against the ranges provided in the compatibility tables. This kit is specifically designed for Mercury/Mariner outboards (65-225 HP, 1963-1990s) and MerCruiser I/R/MR/Alpha One sterndrives (s/n 2495186–0D469858). Verifying these details is the best way to ensure a correct fit.

What are the signs that my water pump impeller needs replacing?
Common signs include the engine overheating at idle or low speeds, a weak or inconsistent water stream from the "telltale" outlet, or a brittle or cracked appearance on the old impeller upon inspection. As a rule, impellers should be inspected annually and replaced every 1-2 years or 100-200 hours of use, regardless of appearance.

What is the difference between this aftermarket kit and an OEM one?
This is a high-quality aftermarket kit designed to meet or exceed original equipment manufacturer (OEM) specifications. The impeller is made from a durable neoprene rubber compound with a corrosion-resistant brass hub, providing a reliable and cost-effective alternative to the OEM part.

OEM vs. Aftermarket?
This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

How fast do you ship and how much does it cost?
We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

What is your warranty and return policy?
This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 4665275553

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Cheryl R💎
Louisville, US
★★★★★ 5
Beneath the perfect surface
Format: Kindle
Yesteryear completely caught me off guard in the best possible way. What begins as a fascinating look into social media influence, curated perfection, and historical living slowly unfolds into something far deeper and far more emotional than I expected. The storytelling was incredibly well done, especially the way the author balanced the polished modern influencer world against the harsh realities of 1800s frontier life. The transitions between timelines and perspectives were seamless, and by the end, every piece fit together in a way that completely redefined the story. What made this especially compelling for me was how layered Natalie’s character felt. Her upbringing, family expectations, faith, public image, and the pressure to maintain perfection all shaped the choices she made throughout the story. Rather than feeling one-dimensional, she felt like someone slowly buckling under the weight of everything she believed she was supposed to be. The emotional impact of this book surprised me. Beneath the historical elements and social media commentary is a story about identity, appearances, family, and the toll that constant performance can take on a person and those around them. This is one of those books where the less you know going in, the better the experience will be. I expected an entertaining premise, but I ended up with a story that lingered long after I finished the final page.
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Reviewed in the United States on May 28, 2026
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Lornwal
Chelsea, US
★★★★★ 3
About that twist…
Format: Kindle
SPOILER ALERT! The thing about big, improbable twists in stories is that the less time you have to think about them, the better their effect. For fans of the classic TV show The Twilight Zone, it has always been clear that the half-hour shows were far better and far more punchy and memorable than their rather sad hour-long cousins. And a book has far, far more time to contemplate a twist than a TV show. Unfortunately, despite some pointed observations by the author (narcissistic people are pretty much unlikable, cruelty and brutality give power to weak men, abused children very often cling to their abusers), the big, improbable twist in Yesteryear almost completely sinks the story. The twist is the same one that sank M. Night Shyamalan’s 2004 movie The Village, and it fares no better here. Yes, people can and do live off the grid. But avoiding every single sign of civilization for years on end? Even if you’re not in a commercial flight path, there are such things as helicopters and small private planes, especially in remote areas. Perhaps people rarely stray onto private land in the wilderness, but once in a while, stray they do. And when that wilderness home was once widely publicized? Excuse me, but people are going to look for it. This is all not to say that Yesteryear was not entertaining - it was. I read it in one sitting. The characters, as unlikable and unreliable as they are, were well drawn. A couple of the children were also quite believable, but the author’s excuse for the rest of the kids being cyphers was that their mother saw them as cyphers as well. Okay, that’s fair, but knowing them better would have enhanced the story for the reader. This is certainly a promising book. It held my attention and was very well-written. But that twist - well, it sank M. Night Shyamalan, too.
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Reviewed in the United States on April 10, 2026
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Starseed
Grantham, US
★★★★★ 4
Good read
Format: Hardcover
This book has been getting a lot of hype, and I can understand why. First, it is a very unique storyline. Very different plot. Second, the main character, Natalie, is totally unlikable. In fact, I would honestly say I loathed her. She has no likeable qualities whatsoever. I guess that is what makes you want to keep reading, to find out what happens to this nasty woman. That said, I admit I was confused at the end. I am still not sure what exactly happened to Natalie, how the situation came about, and how 10 years went by when Natalie seemed to only be telling a few months time. Was she delusional? Did she have a mental breakdown? I wish it was more clear as to what exactly happened.
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Reviewed in the United States on April 23, 2026
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JJ
Dallas, US
★★★★★ 5
What did i spend so much time reading??
Format: Kindle
Spoilers ahead This book makes me angry. A misogynistic fable that holds women as mothers as inherently either deeply flawed or as if some fairy tale perfect mother exists. I found the early parts of the novel quite funny. Thinking this poor woman why do people expect such crazy standards? Also social media influencers somehow we are to take for reality? It is entertaining and that's why we want to spend our time looking at it. It is a fantasy world. Yet that is somehow turned from something comical and poignant dissolving into madness where there can be a 16 year old that can take away your children for what I'm not sure. Filming them? Having nannies? And then again the next bunch for living off the grid? I get that this isn't going for realism. It ultimately became for me this poorly written satire maybe? Obviously what started as comically intriguing for me descended into one totally crazy crazy turn to the darkest of places. I recognize this was supposed to be some sort of cracked fairytale where nearly everyone is evil and/or mental but 30 years for child abuse? This is like a nightmare not a thriller. The book demonstrates a hatred for mothers. Just awful! It made me crave for a totally unrealistic thriller. I came to be entertained and left pissed off.
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Reviewed in the United States on May 13, 2026
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The Lewteran
Los Angeles, US
★★★★★ 5
Excellent satire of tradition cult
Format: Kindle
I read this book in two days. I was eager to read it once I read the description in a Facebook post. I am a theologically conservative Christian frustrated with the tradition culture that has co-opted the faith. I see this in my social and social media circles quite a bit, and I was intrigued by a novel that took this movement to task. Furthermore, I truly enjoy well done satire and farce. I have had a hard time finding these works written well in the past, so I was bracing myself to be disappointed. I am thankful to say, I wasn’t. I didn’t expect the novel to go the way it did (and no, I won’t post spoilers), but I literally laughed out loud a several points. Let me compliment the author for one particular point: She doesn’t just blast the “tradwife” movement. Plenty of cultural movements and groups of people have their sins exploited. Rather than shooting a 12-gauge at religious conservatives, she takes a Tommy gun and hits a wide range of systems. I do want to warn squeamish readers about another issue: The novel can be quite graphic at times, explicitly detailing the intimacy struggles with the main couple. It borders on the pornographic side, but not for titillation. It’s meant to show the dysfunction in the supposedly happy couple. There were quite a few humorous moments, such as the protagonist enjoying the sounds of the chickens, only to grow wistful about their impending deaths so she can taste chicken broth. Or the protagonist’s evangelical mother reacting to her son-in-law’s purchase of a yoga mat.  I was a little disappointed in the resolution of the central issue, i.e., the time travel. But overall, the novel was an enjoyable read and worth your time.
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Reviewed in the United States on May 8, 2026

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