Mahle Original Premium Piston Ring Sets

4.81 out of 5 stars 53 Customer Reviews

Mahle Original piston ring sets are designed to be installer-friendly. They are pre-lapped to seat immediately, virtually eliminating break-in time. Ring materials

Mahle Original piston ring sets are designed to be installer-friendly. They are pre-lapped to seat immediately, virtually eliminating break-in time. Ring materials and coatings, as well as ring tension, are all optimized for reduced friction and extended life in each application. The compression rings feature a barrel-faced contact area for more efficient compression and CNC-controlled gap chamfer to optimize compression and reduce blow-by. Intermediate rings have a reverse twist design for better groove side sealing, and taper race machining to enhance contact. The CP-20 oil ring assemblies feature a 20 degree ear angle, an exclusive feature that provides the best possible side seal against the cylinder wall, and a special chemical polish on the oil ring expander offers enhanced oil drain back. Mahle Original piston ring sets provide unmatched quality and ease of installation, making them the rings of choice for today's engine builders.

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Mahle Original Premium Piston Ring Sets 40564CP.030

Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 40564CP.060

Piston Rings, Plasma-moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 40564CP.040

Piston Rings, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 40843CP.030

Piston Rings, Plasma-moly, 4.390 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40843CP030

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 40564CP

Piston Rings, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 42084CP

Piston Rings, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42084CP

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 40843CP

Piston Rings, Plasma-moly, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40843CP

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 42084CP.020

Piston Rings, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42084CP020

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 42084CP.030

Piston Rings, Plasma-moly, 4.030 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42084CP030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

Mahle Original Premium Piston Ring Sets 40843CP.020

Piston Rings, Plasma-moly, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40843CP020

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Mahle Original Premium Piston Ring Sets 40564CP.020

Piston Rings, Plasma-moly, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP020

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

Mahle Original Premium Piston Ring Sets 42102CP

Piston Rings, Premium Piston Ring Sets, 3.949 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, V6, Set

Part Number: MAH-42102CP

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

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Estimated Ship Date: Oct 29, 2025 if ordered today

Mahle Original Premium Piston Ring Sets 42120CP

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.897 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V6, Set

Part Number: MAH-42120CP

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

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Estimated Ship Date: Oct 29, 2025 if ordered today

Mahle Original Premium Piston Ring Sets 42120CP.020

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.917 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V6, Set

Part Number: MAH-42120CP020

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

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Estimated Ship Date: Oct 29, 2025 if ordered today

Mahle Original Premium Piston Ring Sets 42102CP.020

Piston Rings, Premium Piston Ring Sets, 3.969 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, V6, Set

Part Number: MAH-42102CP020

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

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Estimated Ship Date: Oct 29, 2025 if ordered today

Mahle Original Premium Piston Ring Sets 42102CP.030

Piston Rings, Premium Piston Ring Sets, 3.979 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, V6, Set

Part Number: MAH-42102CP030

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

Mahle Original Premium Piston Ring Sets 42120CP.030

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.927 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V6, Set

Part Number: MAH-42120CP030

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

Mahle Original Premium Piston Ring Sets 40784

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.120 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-40784

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

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