Raw Water Pump Impeller Kit – Fits PCM/Crusader 5.0L, 5.7L, 6.0L, 8.1L (Replaces RP061022, R061022)
Raw Water Pump Impeller Kit – Fits PCM/Crusader 5.0L, 5.7L, 6.0L, 8.1L (Replaces RP061022, R061022) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Raw Water Pump Impeller Kit – Fits PCM/Crusader 5.0L, 5.7L, 6.0L, 8...
Raw Water Pump Impeller Kit – Fits PCM/Crusader 5.0L, 5.7L, 6.0L, 8.1L (Replaces RP061022, R061022) is backordered and will ship as soon as it is back in stock.
Product Details
This Raw Water Pump Impeller Kit – Fits PCM/Crusader 5.0L, 5.7L, 6.0L, 8.1L (Replaces RP061022) is designed for Pleasurecraft Marine (PCM) and Crusader engines from 2003 to present, specifically models equipped with serpentine belt-driven raw water pumps. It ensures proper engine cooling by replacing worn or damaged original impellers.
It serves as a direct replacement for PCM RP061022, Crusader R061022, Sierra 18-8926, and Mallory 9-45718.
- Engineered as a direct, model-specific replacement part.
- For gasoline engines with serpentine belt pump systems only.
- Kit includes a neoprene impeller and all necessary o-rings for a complete installation.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| PCM | RP061022 |
| Crusader | R061022 |
| Sierra | 18-8926 |
| Mallory | 9-45718 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Pleasurecraft Marine (PCM) engines, this impeller fits various Excalibur, EX, ZR, Pro Sport, and standard models from 2004-Present with specific serpentine belt-driven pumps.
For Crusader engines, it fits 5.7L, 6.0L, and 8.1L models from 2005-Present that use a serpentine belt system.
| Brand | Model | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|
| PCM | Excalibur 330 | 4-Stroke | 2004–Present | RP061022 | Serpentine belt models only |
| PCM | EX343 | 4-Stroke | 2004–Present | RP061022 | Serpentine belt models only |
| PCM | ZR6 | 4-Stroke | 2004–Present | RP061022 | Serpentine belt models only |
| PCM | ZR409 | 4-Stroke | 2004–Present | RP061022 | Serpentine belt models only |
| PCM | 5.0L Pro Sport | 4-Stroke | 2004–Present | RP061022 | Serpentine belt models only |
| PCM | 5.7L | 4-Stroke | 2004–Present | RP061022 | For pump RA057034 |
| PCM | 6.0L | 4-Stroke | 2004–Present | RP061022 | For pump RA057032 |
| PCM | 8.1L | 4-Stroke | 2004–Present | RP061022 | For pump RA057035 |
| Crusader | 5.7L | 4-Stroke | 2005–Present | R061022 | Serpentine belt models only |
| Crusader | 6.0L | 4-Stroke | 2005–Present | R061022 | Serpentine belt models only |
| Crusader | 8.1L | 4-Stroke | 2005–Present | R061022 | Serpentine belt models only |
Technical Specs
- Product Type
- Raw Water Pump Impeller Kit
- Installation
- Direct replacement
- Fuel Type
- Gasoline
- Dimensions
- Width: 50.8mm (2"), Diameter: 57mm (2.25"), Shaft: 16mm (0.625")
- Fitting Type
- Double Flat shaft drive
- Material
- Neoprene
- Silhouette
- 10 blades
- Other Technical Attributes
- For serpentine belt-driven water pumps only; not compatible with V-belt systems
What’s in the Box
- 1 x Impeller (R061022)
- 1 x O-Ring, Housing (R047242)
- 4 x O-Ring, Bolt (R047243)
Installation Notes
- Close the raw water intake seacock before starting work.
- Access the sea water pump housing and loosen the bolts on the cover plate.
- Remove the cover plate to expose the old impeller. Note the direction the blades are bent.
- Use impeller pullers or two screwdrivers to carefully pry out and remove the old impeller.
- Clean the pump housing interior and inspect for scoring or wear.
- Lightly lubricate the new impeller and housing interior with a water-based lubricant or dish soap.
- Install the new impeller with a twisting motion, ensuring the blades bend in the same direction as the old one.
- Place the new o-ring into the groove on the pump housing or cover plate.
- Reinstall the cover plate and tighten the bolts evenly in a star pattern.
- Open the seacock, start the engine, and immediately check for leaks and proper water flow from the exhaust.
Troubleshooting & FAQ
How do I know if this impeller fits my engine?
This impeller is specifically for PCM and Crusader engines from 2003–Present that have a serpentine belt system. It is not compatible with older V-belt systems. Always verify your engine model and pump type before ordering.
What are the signs of a failing impeller?
Common symptoms include the engine overheating at idle or low speeds, a noticeable reduction in water flow from the exhaust outlet, and visible cracks or missing blades on the impeller itself during inspection.
How often should I replace my raw water pump impeller?
As a preventative maintenance best practice, most marine mechanics recommend replacing the impeller annually or every 100–200 hours of engine operation, whichever comes first, to prevent unexpected failure.
Is this a complete kit for the job?
Yes, this kit includes the neoprene impeller plus the essential housing and bolt o-rings required for a standard replacement service.
Can I install this myself?
Yes, replacing an impeller is a common maintenance task for many boat owners. However, if you are not comfortable performing the work, we recommend seeking assistance from a qualified marine mechanic to ensure it is done correctly.
What's the difference between this and impellers for V-belt systems?
The primary differences are the dimensions and the shaft drive type. This impeller has a "Double Flat" shaft drive and specific dimensions for serpentine belt pumps. V-belt system impellers use a different shaft type (like a keyway) and will not fit.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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