United Engine & Machine Parts and Accessories

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: Apr 27, 2026 if ordered today

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Wrist Pin, Lightweight, .990 in. Diameter, 3.000 in. Length, 163 Grams, Each

Part Number: UEM-0990X300K

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, 4.211 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4151BD8-065

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Wrist Pin, Lightweight, .927 in. Diameter, 2.500 in. Length, 102 Grams, Each

Part Number: UEM-0927X216K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 1, 2026 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: Apr 13, 2026 if ordered today

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Ring Set 4.350 bore, .030 oversize, 2-5/64, 1-3/16, moly ring set, qty 8 cyl set

Part Number: UEM-4320AM8-030

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Piston Rings, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Ring Set 4.075''/ 103.5 MM 1.5mm 1.5mm 2.5mm

Part Number: UEM-4065HN825MM

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Estimated Ship Date: Apr 13, 2026 if ordered today

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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: Apr 13, 2026 if ordered today

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Wrist Pin, Lightweight, .927 in. Diameter, 2.500 in. Length, Each

Part Number: UEM-927X216K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Piston Rings, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125AM8-040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Ring Set 8cyl 4.02''/ 102.108 MM 1.2mm 1.2mm 3.0mm

Part Number: UEM-4000ES8020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Wrist Pin, Lightweight, 1.094 in. Diameter, 3.000 in. Length, Each

Part Number: UEM-1094X300K

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Piston Rings, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4360BD8-040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Ring Set 4cyl 3.504''/ 89 MM 1.2mm 1.5mm 2.0mm

Part Number: UEM-2200110MM

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Piston Rings, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-STD

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Estimated Ship Date: Apr 13, 2026 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: Apr 13, 2026 if ordered today

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Piston Ring Set 8cyl 4.06''/ 103.124MM 1.50mm 1.50mm 3.00mm

Part Number: UEM-4000CS8060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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PISTON RINGS

Part Number: UEM-4000CS8-085

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Wrist Pin, Lightweight, .980 in. Diameter, 3.000 in. Length, 149 Grams, Each

Part Number: UEM-0980X300K

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Piston Rings, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4250AM8-030

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Estimated Ship Date: Apr 20, 2026 if ordered today

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RING PACK (1CYL.)

Part Number: UEM-U09000LS

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Piston Rings, 3.776 in. Bore, 1.5mm, 1.5mm, 3.0mm, Ductile Iron, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-3736CD8-045

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Piston Rings, 3.776 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-3736BD8040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston Rings, 3.736 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-3736BD8-STD

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Estimated Ship Date: Apr 13, 2026 if ordered today

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