1991 FORD EXPLORER Pistons & Piston Rings

Engine Piston Ring Set 90-10 FRD/MAZ/MER 4.0L

Part Number: EGN-M3951650

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 3.992 in. Bore, Plasma-moly, 1.6mm, 1.75mm, 3.5mm Ring Thickness, L6, V6, Set of 6

Part Number: HSN-2M4627040

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

Part Number: HSN-2M4627

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-4627S030

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.953 in. Bore, 1.6mm, 1.75mm, 3.5mm Thickness, V6, Set

Part Number: MAH-51550CP

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Ring Set, Moly - Ford Trk. 244(4.0L) Eng. (1990-94), Mazda 4016cc Eng. (1991-94)

Part Number: MAH-41550CP040

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Ring Set, Moly - Ford Trk. 244(4.0L) Eng. (1990-94), Mazda 4016cc Eng. (1991-94)

Part Number: MAH-41550CP020

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Ring Set, Moly - Ford Trk. 244(4.0L) Eng. (1990-94), Mazda 4016cc Eng. (1991-94)

Part Number: MAH-41550CP030

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Estimated Ship Date: Today

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.953 in. Bore, 1.6mm, 1.75mm, 3.5mm Thickness, V6, Set

Part Number: MAH-41550CP

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

Part Number: HSN-2M4627020

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-4627S020

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-4627S060

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Engine Piston Set 90-94 FRD/MAZ 4.0L

Part Number: EGN-P1587650

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Estimated Ship Date: Apr 17, 2026 if ordered today

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

Part Number: HSN-2M4627030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Engine Piston Set 90-94 FRD/MAZ 4.0L

Part Number: EGN-P15876STD

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Engine Piston Ring Set 90-10 FRD/MAZ/MER 4.0L

Part Number: EGN-M3951675

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Estimated Ship Date: Apr 20, 2026 if ordered today

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

Part Number: HSN-4627030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: HSN-4627060

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: HSN-2M4627010

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4627S010

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4627S040

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Engine Piston Ring Set 90-10 FRD/MAZ/MER 4.0L

Part Number: EGN-M39516STD

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Estimated Ship Date: Apr 17, 2026 if ordered today

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

Part Number: HSN-4627

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Estimated Ship Date: Apr 10, 2026 if ordered today

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

Part Number: HSN-4627040

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: HSN-2M4627060

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Estimated Ship Date: Apr 9, 2026 if ordered today

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