Impeller Repair Kit – Fits Crusader/Pleasurecraft 5.0L, 5.7L, 6.0L, 8.1L Marine Engines
This impeller repair kit fits Pleasurecraft Marine (PCM) 5.0L, 5.7L, 6.0L, and 8.1L inboard engines from 2004 and newer with serpentine belt driven raw water pumps. It is compatible with specific models including the Excalibur 330, EX343, ZR6, ZR409, and 5.0L Pro Sport.
It serves as a direct replacement for multiple OEM and aftermarket part numbers, ensuring broad application for specified Crusader and PCM engines.
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Installation Method: Direct replacement for single-pulley serpentine belt systems.
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Included Components: The kit contains one impeller, one housing O-ring, and three bolt O-rings.
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Impeller Material: Constructed from a durable neoprene compound for reliable performance.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| PCM |
RP061022 |
| Crusader |
R061022 |
| Sierra |
18-8926 |
| Mallory |
9-45718 |
Compatible Engine Models
Confirm your engine model/year in the table below.
Pleasurecraft Marine (PCM)
| Brand |
Model |
Stroke |
Years |
OEM Part No. |
Notes |
| PCM |
Excalibur 330 |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
| PCM |
EX343 |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
| PCM |
ZR6 |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
| PCM |
ZR409 |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
| PCM |
5.0L Pro Sport |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
| PCM |
GM 5.0L |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
| PCM |
GM 5.7L |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
| PCM |
GM 6.0L |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
| PCM |
GM 8.1L |
4-Stroke |
2004+ |
RP061022 |
For serpentine belt driven water pumps |
Compatible PCM Pump Models
| Brand |
Model |
Engine Size |
Notes |
| PCM |
RA057032 |
6.0L |
Water Pump |
| PCM |
RA057034 |
5.7L |
Water Pump |
| PCM |
RA057035 |
8.1L |
Water Pump |
| PCM |
RA134071 |
N/A |
Bearing Housing Assembly |
Technical Specifications
| Specification |
Value |
| Product Type |
Raw Water Pump Impeller Kit |
| Installation |
Direct replacement |
| Material |
Neoprene |
| Dimensions |
Width: 50.8 mm (2"), Diameter: 57 mm (2-1/4"), Shaft: 16 mm (5/8") |
| Shaft Drive |
Double Flat |
| Silhouette |
10 blades |
| Weight |
0.153 kg (5.4 oz) |
| Other Technical Attributes |
For serpentine belt driven systems only. Will not fit V-belt systems. |
Package Contents
- 1 x Impeller (R061022)
- 1 x O-Ring, Housing (R047242)
- 3 x O-Ring, Bolt (R047243)
Installation Guide
- Shut off the engine and close the raw water intake valve (seacock).
- Locate the raw water pump, which is typically mounted on the front of the engine.
- Loosen the serpentine belt to relieve tension from the pump pulley.
- Remove the bolts securing the pump's front cover plate. Prepare to catch any residual water.
- Gently pry the old impeller out of the housing using impeller pullers or two flathead screwdrivers. Note the bend direction of the vanes.
- Clean the interior of the pump housing and inspect it for any wear, scoring, or damage.
- Lubricate the new impeller and the inside of the housing with a marine-safe lubricant like glycerin or soapy water.
- Install the new impeller with a twisting motion, ensuring the vanes bend in the same direction as the original.
- Fit the new housing O-ring onto the cover plate and place the new O-rings on the bolts.
- Reinstall the cover plate and tighten the bolts evenly to the manufacturer's torque specifications.
- Re-tension the serpentine belt correctly.
- Open the seacock, start the engine, and immediately verify there is proper water flow from the exhaust and check for any leaks around the pump housing.
Troubleshooting & FAQ
Q: How do I confirm this impeller fits my engine?
A: This kit is designed for PCM 5.0L, 5.7L, 6.0L, and 8.1L engines from 2004 and newer that use a serpentine belt system. It is not compatible with V-belt systems. To ensure a correct match, cross-reference your existing part number with RP061022, R061022, Sierra 18-8926, or Mallory 9-45718.
Q: What are the signs of a failing impeller?
A: Common signs include the engine running hotter than normal or overheating, reduced water flow from the exhaust, or issues with the raw water pump. On inspection, a bad impeller may be cracked, brittle, or have missing blades.
Q: How often should I replace my raw water pump impeller?
A: For preventative maintenance, it is recommended to inspect your impeller annually and replace it every 1-2 years. Replacement frequency depends on hours of use and the type of water (sandy or silty water causes faster wear).
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.