PCM Raw Water Pump Impeller RP061022 – Serpentine Pump Cooling System Replacement
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The PCM RP061022 Raw Water Pump Impeller is a direct OEM replacement impeller designed for Pleasurecraft Marine (PCM) and Crusader inboard engines equipped with serpentine belt-driven raw water pumps. This impeller is responsible for circulating cooling water through the engine, maintaining proper operating temperature and preventing overheating.
Constructed from marine-grade neoprene rubber, this impeller delivers reliable flexibility, durability, and consistent water flow in both freshwater and saltwater environments. Replacing a worn impeller restores cooling performance and helps protect critical engine components from heat-related damage.
This impeller is commonly used on 2003+ PCM and Crusader engines with serpentine belt systems, making it a key maintenance item for modern inboard applications.
Key Features
- OEM PCM replacement impeller
- Marine-grade neoprene rubber construction
- 10-blade design for efficient water flow
- Double flat shaft hub for secure fitment
- Maintains proper raw water circulation and cooling performance
- Designed for serpentine belt-driven pump systems
Engine Compatibility
PCM Engines
- Excalibur 330
- EX343
- ZR6
- ZR409
- 5.0L Pro Sport
Crusader Engines
- 5.7L V8
- 6.0L V8
- 8.1L V8
➡️ Typically used on 2003+ engines with serpentine belt-driven raw water pumps
Serial Number Fitment Notice
Fitment depends on:
- Engine model and year
- Pump type (serpentine vs V-belt)
- Engine serial number
⚠️ Important Fitment Note:
- Fits serpentine belt-driven raw water pumps only
- Not compatible with older V-belt pump systems
Always confirm compatibility using your engine model and serial number before ordering.
Impeller Specifications
- Diameter: 2.25" (57 mm)
- Width: 2" (50.8 mm)
- Shaft Type: Double flat
- Blade Count: 10
What’s Included in the Kit
- Impeller
- Housing O-ring
- Bolt O-rings
When This Part Needs Replacement
Replace the impeller if you notice:
- Reduced or no cooling water flow
- Engine overheating
- Cracked, missing, or stiff vanes
- Reduced performance under load
- After seasonal storage
Recommended service interval: every 100 hours or annually
Installation Notes
- Lubricate impeller before installation
- Install with correct vane direction
- Replace all O-rings included
- Inspect pump housing and wear surfaces
- Check for broken vane debris in system
Alternate / Superseded Part Numbers
OEM Cross References
- PCM: RP061022
- Crusader: R061022
Aftermarket Cross References
- Sierra: 18-8926
- Mallory: 9-45718
Shipping
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
💡 Parts Desk Insight
This impeller is one of the most common on PCM and Crusader engines—but only for serpentine systems. If your engine has a V-belt, this is the wrong impeller.
Quick check: serpentine belt = wide single belt → this is the correct one 👍
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.