SLPRKA4G35-402 Pump Assembly – RKA4G35 Pump w/ Plumbing

Part Number: SLPRKA4G35-402
Category: Pressure Washer Pumps & Pump Assemblies
Type: Pump Assembly w/ Plumbing – RKA4G35 Belt-Drive, 4.0 GPM @ 3500 PSI

The Pressure-Pro SLPRKA4G35-402 Pump Assembly is a factory-built, fully plumbed replacement centered around the Annovi Reverberi RKA4G35 belt-drive pump. Delivering 4.0 GPM at 3500 PSI and engineered for 1750 RPM operation, this assembly is designed for commercial belt-driven pressure washer systems that demand high pressure, smooth performance, and long service life. Supplied complete with plumbing and a VRT3-310EZ unloader, it provides a true drop-in solution to restore OEM performance while minimizing downtime in demanding cleaning environments.

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Product Specifications

• Pump Model: RKA4G35

• Assembly Type: Complete pump assembly with plumbing

• Pump Type: Triplex Plunger, Belt Drive

• Flow Rate: 4.0 GPM

• Max Pressure: 3500 PSI

• Shaft Size: 24 mm Solid

• Rated Speed: 1750 RPM

• Unloader: VRT3-310EZ (included)

• Manufacturer: Pressure-Pro / Annovi Reverberi

• MPN: SLPRKA4G35-402

• Condition: New

Construction Highlights

• Manifold: High-strength forged brass or nickel-plated for long-term durability

• Bolts: Eight 8mm Grade 8.8 fasteners for superior clamping force

• Plungers: Thick solid ceramic plungers for extended life and resilience

• Crankcase: Precision die-cast with large cooling fins, anodized for maximum heat dissipation; includes sight glass, fill, and drain ports

• Bearings: Oversized tapered roller bearings for maximum load capacity and service life

• Bearing Support: Precision machined for perfect concentricity and alignment

• Valves, Seats & Springs: Stainless steel with Ultra Form cages for positive sealing and long life

• Seals & V-Packings: Continuously lubricated for extended service intervals

• Plunger Rods: Stainless steel, non-plated for strength and long-term reliability

• Connecting Rods: One-piece special alloy aluminum or bronze, oversized for maximum strength and load distribution

Applications

• Belt-driven commercial pressure washers

• High-pressure cleaning systems

• Industrial and fleet-wash equipment

• Replacement pump for compatible Pressure-Pro units

• Equipment repair, refurbishment, and upgrades

Important Notes

• Verify shaft size (24 mm solid), drive type (belt), and RPM compatibility (1750) before ordering

• Designed for systems using RKA4G35 belt-drive pumps

• Final operating PSI and GPM depend on pulley ratio, motor, and overall system configuration