United Engine & Machine Parts and Accessories

Single Cylinder Ring Set with Stainless Steel Gas Nitrited Top Ring, Napier Second Ring, and 3 pc Oil Ring Assembly

Part Number: UEM-S4045ESN

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Single Cylinder Ring Set with Stainless Steel Gas Nitrited Top Ring, Napier Second Ring, and 3 pc Oil Ring Assembly

Part Number: UEM-S4070ESN

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Single Cylinder Ring Set with Stainless Steel Gas Nitrited Top Ring, Napier Second Ring, and 3 pc Oil Ring Assembly

Part Number: UEM-S4185ESN

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Single Cylinder Ring Set with Stainless Steel Gas Nitrited Top Ring, Napier Second Ring, and 3 pc Oil Ring Assembly

Part Number: UEM-S3790ESN

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Single Cylinder Ring Set with Stainless Steel Gas Nitrited Top Ring, Napier Second Ring, and 3 pc Oil Ring Assembly

Part Number: UEM-S4015ESN

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Single Cylinder Ring Set with Stainless Steel Gas Nitrited Top Ring, Napier Second Ring, and 3 pc Oil Ring Assembly

Part Number: UEM-S4030ESN

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Single Cylinder Ring Set with Stainless Steel Gas Nitrited Top Ring, Napier Second Ring, and 3 pc Oil Ring Assembly

Part Number: UEM-S4100ESN

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

RING PACK (1CYL.)

Part Number: UEM-U08700LS

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Rings, 4.195 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4165BD8-035

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Piston Rings, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4250AM8-100

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Rings, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4250BD8-070

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Rings, 4.560 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4500BD8-065

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Piston Rings, 4.080 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4000BD8-080

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.030''/ 102.36 MM 1/16 1/16 3/16 File to Fit

Part Number: UEM-4000BP8035

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Piston Ring Set 8cyl 4.02''/ 102.108 MM 1.50mm 1.50mm 3.00mm File to Fit

Part Number: UEM-4000CS8025

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Rings, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4342AM8-030

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Piston Rings, 4.420 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4360AM8-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.040''/ 102.62mm 1.50mm 1.50mm 3.00mm File to Fit

Part Number: UEM-4000CN8045

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.020" / 102.11mm 1.5mm 1.5mm 3.0mm

Part Number: UEM-4000CS8020

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.02''/ 102.108 MM 1.5mm 1.5mm 4.0mm

Part Number: UEM-4000DS8020

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.06''/ 103.124 MM 1.5mm 1.5mm 4.0mm

Part Number: UEM-4000DS8060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston Ring Set 8cyl 4.025''/ 102.23 MM 1.2mm 1.2mm 3.0mm File to Fit

Part Number: UEM-4000ES8025

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Piston Ring Set 8cyl 4.085''/ 103.759 MM 1.2mm 1.2mm 3.0mm File to Fit

Part Number: UEM-4000ES8085

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Piston Ring Set 8cyl 4.000''/ 101.60 MM 1.20mm 1.20mm 3.00mm File to Fit - Gas Ported Top Ring

Part Number: UEM-4000EPX8005

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Piston Rings, 4.030 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: UEM-4000ES8-030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order