JEEP 4.0L/242 Pistons & Piston Rings

Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L6, Set

Part Number: MAH-50514CP020

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.905 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-51870CP030

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Piston Rings, Plasma-moly, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: MAH-40514CP

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Piston Rings, Premium Piston Ring Sets, Chrome, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V6, Set

Part Number: MAH-40975

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Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4815060

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Piston, Flat Top, 3.875 in. Bore, Cast Aluminum, Jeep, 2.5L, 4.0L, Each

Part Number: OMX-1742707

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Pistons, Forged, Dish, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Set of 6

Part Number: UEM-IC945-030

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.935 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-41870CP060

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Pistons, Forged, Dish, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Set of 6

Part Number: UEM-IC944-020

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Forged, Dish, 3.955 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Set of 6

Part Number: UEM-IC944080

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston and Ring Kit, Forged, Dish, 3.875 in. Bore, Stroked, AMC, Jeep, 4.0L, Kit

Part Number: UEM-IC944KTM-020

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Forged, Dish, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Set of 6

Part Number: UEM-IC945-020

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Forged, Dish, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Set of 6

Part Number: UEM-IC945-060

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Cast, Dish, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-2229-040

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Cast, Dish, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-2229C-040

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Cast, Dish, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-2229C-060

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, Set of 6

Part Number: UEM-3242HC-020

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston, Cast, Dish, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each

Part Number: UEM-S2229C-060

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C667060

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M667080

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Phosphate

Part Number: HSN-665010

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Engine Piston Ring Set, 4-Cyl Ring Set; Phosphate

Part Number: HSN-665060

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston Rings, Phosphate Coated, 3.885 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: HSN-667010

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-4815040

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Pistons, Forged, Dish, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Set of 6

Part Number: UEM-IC944-060

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Estimated Ship Date: Apr 6, 2026 if ordered today

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