JMP Marine JSK0096 Major Service Kit for JPR-VP0130D Volvo Penta D13 Engine Cooling Seawater Pump
When a Volvo Penta D13 starts losing raw water flow, the problem is rarely just the impeller. Shaft wear, tired bearings, a scored wear plate and a leaking mechanical seal all creep in together over a few seasons of saltwater service. The JMP Marine JSK0096 major service kit exists so you can address all of it in one sitting instead of chasing the same overheat alarm three more times. It is the full rebuild package for the JPR-VP0130D engine cooling seawater pump, and it also services the OEM Volvo Penta units it replaces.
Inside the box you get the parts that actually wear: the flexible impeller, the pump shaft, both bearings, the mechanical seal set, the cam set, wear plate, oil seal retainer, slinger, O-ring, snap ring, drive pin, plug, cover, and the complete hardware set of hex bolts, spring washers and nuts. Everything is matched to the pump's original tolerances and built from marine-grade materials, so the rebuilt pump seats and primes the way a new one does rather than limping along on mismatched aftermarket pieces.
This kit suits owners and yards that would rather rebuild a good bronze pump body than buy a whole new assembly. A technician familiar with flexible impeller pumps can work through it with standard tools, and because the same kit covers both JMP and genuine Volvo Penta pumps, it is a sensible spare to keep in the parts locker on a boat running D13B, D13C or the D13C-A MP variants. For warranty coverage, installation should be carried out by a qualified marine technician.
Key Features
- Complete major overhaul kit covering all primary wear components of the seawater pump
- Includes flexible impeller, pump shaft, two bearings, and full mechanical seal set
- Cam set, wear plate, and cover included to restore correct impeller compression and flow
- Full hardware pack: hex bolts, spring washers, nuts, snap ring, drive pin, O-ring, plug, slinger, and oil seal retainer
- Manufactured to original pump tolerances using high-grade marine materials
- Services both JMP Marine pumps and genuine OEM Volvo Penta pumps
- Restores cooling performance at a fraction of the cost of a complete pump assembly
- Practical spare to carry onboard for long-range and commercial operation
Applications
- JMP Marine JPR-VP0130D engine cooling seawater pump
- Volvo Penta seawater pumps 3886848, 22905150, and 23271274
- Volvo Penta D13B and D13C series marine diesel engines
- Volvo Penta D13C1-A MP, D13C2-A MP, D13C3-A MP, and D13C4-A MP engines
- Pleasure craft, sportfishing, commercial workboat, and light-duty marine propulsion service
- Scheduled preventive maintenance and post-season saltwater pump overhauls
Specifications
- Part Number: JSK0096
- Kit Type: Major Service Kit (full pump overhaul)
- Fits Pump: JPR-VP0130D
- Pump Inlet and Outlet Flange Port Size: 2.25 in (57 mm)
- Impeller Type: Flexible marine-grade impeller
- Shaft: Marine-grade non-magnetic pump shaft
- Bearings: Two sealed pump bearings
- Seal: Mechanical seal set with oil seal retainer and slinger
- Hardware: Hex bolts, spring washers, nuts, snap ring, drive pin, plug, O-ring
- Wear Components: Cam set, wear plate, cover
- Total Component Types in Kit: 19
- Related Minor Service Kit: JSM0076
Frequently Asked Questions
Q: What is the difference between the JSK0096 major service kit and the JSM0076 minor kit?
A: The minor kit covers the routine wear items you replace most often, mainly the impeller and its immediate seals and gaskets. The JSK0096 major kit goes further and includes the shaft, both bearings, the mechanical seal set, cam set, wear plate, cover, and all mounting hardware, which is what you need when the pump has play in the shaft, a weeping seal, or scoring inside the housing.
Q: Can I use this kit on a genuine Volvo Penta pump rather than a JMP pump?
A: Yes. The kit is dimensionally matched to the OEM pumps carrying Volvo Penta numbers 3886848, 22905150, and 23271274, so it rebuilds those units as well as the JMP JPR-VP0130D.
Q: How do I know it is time for a major rebuild instead of just a new impeller?
A: Common signals are a persistent weep from the pump's telltale drain, side-to-side movement when you rock the pulley or gear by hand, a growling or rumbling noise from the pump body, or reduced flow that returns quickly after a fresh impeller. Any of those points to bearings, shaft, or seal wear rather than the impeller alone.
Q: Do I need special tools to complete the rebuild?
A: A press or suitable puller for the bearings and shaft is the main requirement, along with basic hand tools, snap ring pliers, and a torque wrench. Many owners remove the pump and hand the body to a marine shop for the press work, then finish the reassembly themselves.
Q: How often should this rebuild be performed on a saltwater engine?
A: Intervals vary with hours, water temperature, and how much sand or silt the intake picks up, but many operators plan a major pump service every two to three seasons or roughly every 1,000 to 1,500 running hours, with impeller inspection far more frequently. Follow the engine manufacturer's published maintenance schedule where it specifies an interval.
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