Wacker Neuson 5000217431 Piston Rings Set

The Wacker Neuson Piston Rings Set is a genuine OEM component designed for a wide range of Wacker Neuson portable generators, floor saws, reversible vibratory plates, and tandem rollers sharing a common engine platform. This set delivers an exact match to the original rings installed at the factory, ensuring proper bore seal and compression from the first startup. Compatible with GP5600A, GP6600A, GPS5600A, GPS6600A, and GV-series generators, as well as BFS 1318, BFS 1345, and BFS 1350 floor saws, BPU 5045A and BPU 5545A reversible vibratory plates, and the RD7Af HRC tandem roller. Stocking part number keeps your engine rebuild on schedule across this broad equipment family.

Key Features

• Genuine OEM Ring Geometry — Manufactured to exact bore diameter and ring-groove tolerances specified for the original engine, ensuring consistent compression sealing across the full rpm range.
• Complete Set for Engine Rebuild — Supplied as a matched set so compression, wiper, and oil-control rings are replaced together, eliminating mismatched ring grades during overhaul.
• Wide Cross-Equipment Compatibility — Fits GP5600A, GP6600A, GPS5600A, GPS6600A, GV5600, GV6600 generators; BFS 1318, BFS 1345, and BFS 1350 floor saws; BPU 5045A and BPU 5545A reversible vibratory plates; and RD7Af HRC tandem rollers.
• Restored Compression and Oil Control — Worn or broken piston rings allow combustion pressure to escape and oil to enter the combustion chamber; a fresh set restores power output, fuel efficiency, and clean exhaust.
• Fuel System Integrity — Properly seated rings prevent oil contamination of the combustion chamber, protecting spark plugs, valves, and the catalytic or exhaust system from premature fouling.

Piston rings form the dynamic seal between the piston and the cylinder wall, performing three critical jobs: holding combustion pressure in the power stroke, wiping excess oil off the cylinder wall, and transferring heat from the piston into the cylinder. When rings wear, crack, or lose tension, combustion gases blow past the piston — a condition known as blow-by — reducing power and increasing fuel consumption. Oil that is no longer wiped back into the sump enters the combustion chamber, causing heavy smoke, fouled plugs, and accelerated wear throughout the top end. Replacing the full piston rings set during an engine overhaul restores the compression and oil-control performance the engine was built to deliver.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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