United Engine & Machine Parts and Accessories

Piston Rings, 4.180 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4120AM8-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Ring Set 8cyl 4.140''/ 105.16 MM 1/16 1/16 3/16 File to Fit

Part Number: UEM-4125BD8015

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Rings, 4.181 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4151BD8-035

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Rings, 4.160 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4120AM8-040

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Piston Rings, 4.160 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4120BD8-045

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Piston Rings, 4.120 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4120BD8-STD

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Piston Rings, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4125BD8-005

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Piston Ring Set 8cyl 4.135''/ 105.029 MM 1/16 1/16 3/16

Part Number: UEM-4125BD8010

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Piston Rings, 4.102 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4062AM8-040

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Ring Set 4.125 bore, .030 FTF oversize, 2-1.5 1-3.0mm, ductile ring set, qty 8 cyl set

Part Number: UEM-4125CD8030

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Piston Rings, 4.125 in. Bore, 1.5mm, 1.5mm, 3.0mm, Ductile Iron, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4125CD8-005

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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: Apr 13, 2026 if ordered today

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Piston Ring Set 8cyl 4.44''/ 112.77 MM 5/64 5/64 3/16

Part Number: UEM-4360AG8080

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Piston Rings, 4.600 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4466BD8-134

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Piston Ring Set 8cyl 4.605''/ 116.967 MM .043 1/16 3/16 File to Fit

Part Number: UEM-4500JS8105

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Piston Ring Set 8cyl 4.615''/ 117.221 MM .043 1/16 3/16 File to Fit

Part Number: UEM-4500JS8115

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Piston Rings, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-020

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Piston Ring Set 8cyl 4.060''/ 103.12mm 1.50mm 1.50mm 3.00mm File to Fit

Part Number: UEM-4000CN8065

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Piston Rings, 4.380 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4320BD8-065

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Piston Rings, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4342AM8-020

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Piston Rings, 4.440 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4360BD8-085

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Piston Rings, 4.360 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4360BD8-STD

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Piston Rings, 4.530 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4466BD8-064

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Piston Ring Set 8cyl 4.030''/ 102.36mm 1.50mm 1.50mm 3.00mm File to Fit

Part Number: UEM-4000CN8035

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Piston Ring Set 8cyl 4.065''/ 103.251 MM 1.2mm 1.2mm 3.0mm File to Fit

Part Number: UEM-4000ES8065

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Estimated Ship Date: Apr 13, 2026 if ordered today

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