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Description
Water Pump Seal and Washer Kit – Fits Mercury Marine 30-70 HP Outboards (Replaces 26-38452, 26-38453)Water Pump Seal and Washer Kit Fits Mercury Marine 30 70 HP Outboards (Replaces 26 38452, 26 38453) This water pump seal and washer kit is designed for various Mercury Marine 30 70 HP 2 stroke outboards. It is a direct fit replacement for components within the 46 77177A3 water pump impeller kit housing, ensuring reliable performance for your engine's cooling system. This kit serves as a direct replacement for Mercury OEM part numbers 26 38452 (seal)
Water Pump Seal and Washer Kit – Fits Mercury Marine 30-70 HP Outboards (Replaces 26-38452, 26-38453)
This water pump seal and washer kit is designed for various Mercury Marine 30-70 HP 2-stroke outboards. It is a direct-fit replacement for components within the 46-77177A3 water pump impeller kit housing, ensuring reliable performance for your engine's cooling system.
This kit serves as a direct replacement for Mercury OEM part numbers 26-38452 (seal) and 26-38453 (washer kit). It is also cross-compatible with aftermarket kits from UanofCn and YiheoZux anofCn and YiheoZux labeled with the same part numbers.
- Includes one seal and one washer kit for a complete repair.
- Engineered for a direct replacement fit, using standard tools.
- Note: Not compatible with Japanese-made Mariner Motors.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Mercury | 26-38452 |
| Mercury | 26-38453 |
| UanofCn | 26-38452/26-38453 kit |
| YiheoZux | 26-38452/26-38453 kit |
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.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Mercury | 30 JET | 30 | 2-Stroke | 26-38452, 26-38453 | For use with housing 46-77177A3 |
| Mercury | Various | 35-70 | 2-Stroke | 26-38452, 26-38453 | For use with housing 46-77177A3 |
Note: Not compatible with Japanese-made Mariner Motors.
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Water Pump Seal and Washer Kit |
| Installation | Direct replacement with standard tools |
| Housing Material | Rubber |
| Housing Color | Black |
| Weight | 9 g (0.317 oz) |
| Other Technical Attributes | For installation in 77177A3 water pump impeller kit housing |
Package Contents
- 1 x Seal (Replaces OEM 26-38452)
- 1 x Washer Kit (Replaces OEM 26-38453)
- 1 x Installation Instructions
Installation Guide
- Safety First: Disconnect the engine's battery before beginning work.
- Access the Lower Unit: Remove the lower unit (gearcase) from the outboard motor.
- Remove Pump Housing: Unbolt and carefully lift the water pump housing off the driveshaft.
- Extract Old Parts: Remove the old impeller, plate, and gaskets. Take note of the order and orientation.
- Clean Surfaces: Thoroughly clean the inside of the housing and the mounting surfaces, removing any salt deposits, sealant, or corrosion.
- Install New Seal: Carefully press the new seal (26-38452) into the pump housing, ensuring it is fully and evenly seated.
- Install Washers: Place the new washers from the kit (26-38453) as indicated in your service manual, typically under and over the impeller.
- Reassemble Pump: Reinstall the impeller (with a new keyway) and reassemble the water pump components.
- Reattach Lower Unit: Bolt the lower unit back onto the outboard, ensuring all connections are secure.
- Test Operation: Reconnect the battery. Run the engine in water and verify a strong, consistent stream from the tell-tale outlet.
Troubleshooting & FAQ
Q: How do I confirm this fits my engine?
A: This kit fits various Mercury 30-70 HP 2-stroke outboards that use the 46-77177A3 water pump housing. The best way to confirm is by checking your engine's service manual or existing part numbers. Note that it is not compatible with Japanese-made Mariner motors.
Q: What are the signs my water pump seal is failing?
A: A failing seal can cause overheating, a weak or intermittent water stream from the "tell-tale" outlet, or visible water leaking from the pump housing area. Regular inspection during impeller changes is recommended.
Q: Do I need special tools for installation?
A: No, this kit can be installed using standard marine mechanic's tools. A socket/wrench set and a screwdriver are typically sufficient.
Q: OEM vs. Aftermarket?
A: 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.
Q: How fast do you ship and how much does it cost?
A: 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.
Q: What is your warranty and return policy?
A: 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