JEEP 4.0L/242 Pistons & Piston Rings

Piston Rings, Moly, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-234K30

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 3.875 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M667

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 3.895 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M4815020

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Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 3.905 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M4815030

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Estimated Ship Date: May 13, 2026 if ordered today

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Piston Rings, Moly, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-234K60

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.875 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-41870CP

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Engine Piston Kit 96-04 DOD/JEP 2.5L/4.0L

Part Number: EGN-K30711STD

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Estimated Ship Date: May 19, 2026 if ordered today

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Piston Rings, Phosphate Coated, 3.875 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, H6, L6, V6, Set

Part Number: HSN-4815

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M667030

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: HSN-2M667060

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Estimated Ship Date: May 11, 2026 if ordered today

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Engine Piston Ring Set 63-95 BUI/CHV/GMC/JEP/OLD/PON 3.8L/4.0L/4.1L

Part Number: EGN-C38856040

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Estimated Ship Date: May 18, 2026 if ordered today

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

Part Number: HSN-2M667040

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: HSN-2M667020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Engine Piston Ring Set 96-06 JEP 4.0L

Part Number: EGN-S38816STD

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Estimated Ship Date: May 18, 2026 if ordered today

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

Part Number: HSN-2C667

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Estimated Ship Date: May 13, 2026 if ordered today

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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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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, Hypereutectic, Dish, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, 4.0L, Each

Part Number: SLP-WH825CP

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Estimated Ship Date: May 14, 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: May 13, 2026 if ordered today

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

Part Number: HSN-2C667040

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Estimated Ship Date: May 13, 2026 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-4790

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: CWA-83500251

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Estimated Ship Date: Jul 20, 2026 if ordered today

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

Part Number: UEM-S3242HC-060

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Estimated Ship Date: Jun 4, 2026 if ordered today

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Piston, Flat Top, 3.885 in. Bore, Cast Aluminum, Jeep, 2.5L, 4.0L, Each

Part Number: OMX-1742711

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Estimated Ship Date: Jul 23, 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: May 11, 2026 if ordered today

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