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Description
Water Pump Impeller Kit – Fits Sherwood Pumps (Replaces 17000K, Jabsco 18958-0001, Johnson 09-704BT-1)Water Pump Impeller Kit Fits Sherwood Pumps (Replaces 17000K, Jabsco 18958 0001, Johnson 09 704BT 1) This OEM equivalent impeller kit is designed for marine water pump applications in various engine cooling systems. It provides a reliable replacement for Sherwood 17000K impellers and is compatible with pumps from several leading manufacturers, including Jabsco, Johnson, Caterpillar, and Cummins. This component is a direct replacement for the following
Water Pump Impeller Kit – Fits Sherwood Pumps (Replaces 17000K, Jabsco 18958-0001, Johnson 09-704BT-1)
This OEM-equivalent impeller kit is designed for marine water pump applications in various engine cooling systems. It provides a reliable replacement for Sherwood 17000K impellers and is compatible with pumps from several leading manufacturers, including Jabsco, Johnson, Caterpillar, and Cummins.
This component is a direct replacement for the following part numbers: Sherwood 17000K, Jabsco 18958-0001, Johnson 09-704BT-1, John Deere RE49896, Caterpillar 7E0321 / 1W5664, and Cummins 3802444 / 3897337 / 3916852 / 3925236.
- Engineered as a direct OEM-equivalent fit for straightforward installation.
- Constructed from a durable neoprene compound with a brass insert for longevity.
- Kit includes the flexible impeller and necessary seals for a complete service.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Sherwood | 17000K |
| Jabsco | 18958-0001 |
| Johnson | 09-704BT-1 |
| John Deere | RE49896 |
| Caterpillar | 7E0321, 1W5664 |
| Cummins | 3802444, 3897337, 3916852, 3925236 |
Compatible Engine Models
Confirm your engine model/year in the table below.
Caterpillar Engines
| Brand | Model | OEM Part No. |
|---|---|---|
| Caterpillar | 3116 | 7E0321, 1W5664 |
| Caterpillar | 3126 | 7E0321, 1W5664 |
| Caterpillar | 3126B | 7E0321, 1W5664 |
| Caterpillar | 3208 | 7E0321, 1W5664 |
| Caterpillar | C7 | 7E0321, 1W5664 |
| Caterpillar | C9 | 7E0321, 1W5664 |
Compatible Sherwood Pumps
| Brand | Model | OEM Part No. |
|---|---|---|
| Sherwood | P176X | 17000K |
| Sherwood | P1710C | 17000K |
| Sherwood | P1719X | 17000K |
| Sherwood | P1716C | 17000K |
| Sherwood | P1722C | 17000K |
| Sherwood | P1732C | 17000K |
| Sherwood | P1730C | 17000K |
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Marine Water Pump Impeller Kit |
| Installation | Direct OEM Replacement |
| Housing Material | Neoprene with Brass Insert |
| Dimensions | 84mm diameter × 73mm width × 20mm shaft diameter (3-5/16" × 2-7/8" × 7/8") |
| Fitting Type | Key Drive / Keyed |
| Keyway Size | 3/16" |
| Number of Vanes | 12 |
| Color | Black |
| Warranty | 1 Year Limited |
Package Contents
- 1 × Flexible Impeller (17000K)
- 1 × O-Ring/Gasket (varies by brand)
- 1 × Key (if applicable, based on brand)
Installation Guide
- Shut off the engine, allow it to cool completely, and disconnect the battery.
- Close the engine's water inlet valve (seacock) to prevent water intrusion.
- Locate the sea water pump and remove the screws from the cover plate.
- Carefully remove the old impeller using impeller pullers or needle-nose pliers.
- Clean the pump housing interior, checking for debris or old impeller fragments.
- Lightly lubricate the new impeller with a water-based lubricant (e.g., glycerin).
- Install the new impeller with a twisting motion, ensuring the vanes bend in the direction of pump rotation.
- Install the new O-ring or gasket on the cover plate.
- Re-secure the cover plate, tightening the screws evenly in a star pattern.
- Open the water inlet valve (seacock) and reconnect the battery.
- Start the engine and immediately check for proper water flow at the exhaust outlet.
- Inspect the pump cover for any signs of leaks and tighten if necessary.
Troubleshooting & FAQ
How do I confirm this impeller fits my Caterpillar engine?
This impeller fits Caterpillar 3116, 3126, 3126B, 3208, C7, and C9 engines that use pump part number 7E0321 or 1W5664. Always verify your specific pump model and cross-reference the part number before ordering.
How often should I replace my water pump impeller?
We recommend inspecting the impeller annually and replacing it every 1-2 years as part of routine maintenance. Replacement frequency may increase depending on operating hours and water conditions (e.g., sandy or silty water).
What are the signs of a failing impeller?
Common symptoms include engine overheating at idle or low speeds, a noticeable reduction in water flow from the exhaust, and visible cracks, tears, or stiffness in the impeller vanes upon inspection.
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:
- 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
4.2 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Highly Recommend – Amazing Results on My Honda Accords!
Size: 1 Count (Pack of 1), Size: 1 Count (Pack of 1)
I recently used the Cerakote Headlight Restoration Kit on both my 2008 and 2014 Honda Accords, and I’m genuinely impressed. The headlights on both cars were badly oxidized, hazy, and yellowed from years of sun exposure. After following the kit’s instructions, they look crystal clear and almost like new again.
The process is pretty straightforward and beginner-friendly. It does take roughly an hour per headlight set if you follow all the steps carefully and allow proper air drying time before the final clear coat. There’s a bit of elbow grease involved with the sanding and polishing stages, but nothing overly difficult. The kit provides everything you need, and the instructions are clear.
The results are excellent! Both cars now have headlights that look factory-fresh. I’m really happy with how bright and clear they are at night. Best part? I saved a ton of money by restoring them instead of buying expensive OEM replacements.
The only minor uncertainty is long-term durability (how well the clear coat holds up after a couple years of sun, weather, and car washes), but for the price and the dramatic improvement I saw, it’s absolutely worth it. I’d definitely buy this kit again if needed.
Highly recommended for anyone dealing with cloudy headlights. Great product that delivers professional-looking results at a fraction of the cost!
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Reviewed in the United States on May 3, 2026
★★★★★ 4
Best product I've tried so far but still temporary. YMMV.
Size: 1 Count (Pack of 1)
This product really does work. It is the best I've used. I purchased in September 2024 and am writing this review in May of 2026, roughly one year and 8 months later. I noticed product failure a little after a year after application and it has been degrading slowly since. Currently the product is visible like a layer of clear paint flaking off and you can physically scratch some off. Here are the pros and cons.
Pros: Clarity, relative ease of use, value
Cons: Taping and sanding, doesn't last for as long as you own your car as claimed
Best used as a temporary fix. Bottom line, would I use it again? Yes. What am I doing today? Replacing the headlights completely. Why? I plan on keeping my car for longer than a year.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Review After Using on 3 Different Cars over 3 years
Size: 1 Count (Pack of 1)
Cerakote Headlight Restoration Kit : After Using on 3 Different Cars over 3 years
This is my second time purchasing the Cerakote Headlight Restoration Kit, and I’ve now used it across three different vehicles. At this point, I feel comfortable saying this product genuinely works when used correctly.
Before trying this kit, I considered replacing my headlights entirely. The cheapest replacement set I found was around $150 just for the parts. Installation would have required removing the grille, bumper, and other components, which adds time and complexity. For an older vehicle, that didn’t make financial sense.
Instead, I chose to restore the original headlights.
Cost and Value
My first package cost me $17, and I restored two cars with that single kit ( about 9$ per pair). That alone made it worth it.
For under $20:
I restored two separate vehicles
Avoided buying new headlight assemblies
Avoided removing the bumper and grille
Compared to a $150+ replacement plus labor, the savings are significant.
Durability 1 year+ under direct Cali sunlight (currently on year 2 and still good)
First Car – Learning the Process
The first time I used the kit, my results were decent but not perfect. That was mainly because I didn’t fully understand how sanding and polishing actually work. ( this reoxidized fastest under 8 months, but it was mostly my fault)
I didn’t initially realize:
The headlight needs to stay wet during sanding
Oxidation must be completely removed before applying clear coat
Even pressure matters/ 50% overlap coverage when appling ceramic
Once I understood that sanding is the most important step, everything improved.
Second Car (beater) Major Improvement
The second vehicle was heavily oxidized and yellowed. I used the remaining material from that same $17 kit and restored it completely.
The clarity difference was dramatic. It looked close to factory condition, and night visibility noticeably improved. That was when I realized the product itself is solid; the key is proper technique.
Third Car ; Recent purchase
By the third car, the process felt straightforward. I followed the instructions carefully, kept the surface wet while sanding, and applied the clear coat evenly in one smooth pass.
The final result was clear, glossy, and uniform. No haze, no streaking.
Durability
On my first vehicle, the restoration lasted close to a year perfectly( I sold that car this year and it still had clear headlights), and that car was parked outside in direct sun most days. For a DIY kit at this price point, that level of durability is impressive.
Final Thoughts
I seriously considered spending $150 on replacement headlights( this was cheapest ) and dealing with removing body panels. Instead, I spent $17 and restored two cars.
Now having used it on three vehicles, I can say this kit is effective, cost-efficient, and worth the time if you follow the process properly. It does require effort and patience, but the results justify it.
I would purchase it again.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
works as advertised!
Size: 1 Count (Pack of 1)
I purchased this kit to renew the headlights on my 2016 Nissan Frontier pick-up. The headlights had become slightly oxidized and dull -- not that bad but it was bothering me and for the price of the kit I figured it was worth the effort to attempt to renew them.
All I can say is -- WOW, what a difference. The end result looked like new -- clean, brilliant and bright.
Read the directions (2 or 3 times) and follow them EXACTLY. Total time for me from opening the kit to being done was about 2 hours and I was taking my time.
This kit is different in that the final step applies a UV resistant coating which really makes the glass super transparent.
Great investment in the time and money. I can't stop admiring my new (old) headlights!
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Incredible Results! The "Z-Line" is Back!
Size: 1 Count (Pack of 1), Size: 1 Count (Pack of 1)
I’ve tried a few "wipe-on" fixes in the past, but the CERAKOTE® Ceramic Headlight Restoration Kit is in a completely different league. If you are tired of hazy, yellowed lenses and weak nighttime visibility, look no further.
📖 Instructions & Ease of Use
The first thing that stood out was the clarity of the instructions. The kit breaks everything down into a simple, step-by-step process. Even if you aren't a "car person," the directions are foolproof. They don't just tell you what to do; they explain why each step matters, which gave me the confidence to get the job done right the first time.
✨ Restoration Effectiveness
As you can see in my Before and After photos, the transformation is night and day. My headlights went from a dull, oxidized yellow to a factory-fresh, crystal-clear finish. It didn't just "clean" them—it completely rejuvenated the plastic.
🔦 The Real Test: Light Output & Beam Pattern
The most impressive part isn't just how the car looks, but how it performs at night. I’ve included a photo of my car parked against a wall in the dark to show the comparison:
Passenger Side (Restored): You can see a sharp, distinct cutoff line and the perfect "Z-line" pattern. The light is focused exactly where it needs to be on the road.
Driver Side (Not Restored yet): The light is completely distorted. There is no cutoff, just a messy blob of light that scatters everywhere, likely blinding oncoming traffic while providing less actual visibility for me.
Final Verdict
This kit doesn't just make your car look better; it’s a genuine safety upgrade. Seeing that crisp Z-line back on the wall proves that the clarity is internal as well as external. Highly recommended!
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Reviewed in the United States on April 15, 2026