United Engine & Machine Pistons & Piston Rings

Piston Rings, 4.225 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4165BD8-065

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.205 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4165BD8-045

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 3.950 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-3910BD8-040

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4250BD8-040

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Piston Rings, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-005

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Ring Set 4.000 bore, .030 oversize, 2-5/64, 1-3/16, ductile iron ring set, qty 8 cyl set

Part Number: UEM-4000AD8-030

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.520 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4500BD8-025

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Piston Rings, 4.470 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4466BD8-004

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Estimated Ship Date: Nov 3, 2025 if ordered today

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R-108 Spacer Ring

Part Number: UEM-R-108

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, 4.375 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4250BD8-125

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.155 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125BM8-030

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-025

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-060

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4360AM8-020

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Estimated Ship Date: Monday 10/20/2025

Piston Rings, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3910AM8-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, 3.736 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3736AM8-STD

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 3.756 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3736AM8-020

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.090 in. Bore, 5/64 in., 3/32 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4050GM8-040

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.080 in. Bore, 5/64 in., 3/32 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4050GM8-030

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125AM8-STD

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston Rings, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4250AM8-040

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Estimated Ship Date: Oct 20, 2025 if ordered today

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R-102 Spacer Ring

Part Number: UEM-R-102

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston Rings, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-070

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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"RING SET 3.622 bore, .STD size, 2-1.5, 1-4.0mm, steel chrome ring set, qty 4 cyl set"

Part Number: UEM-3622DS4-STD

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Estimated Ship Date: Oct 20, 2025 if ordered today

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