Availability
JEEP 4.0L/242 Engines & Components
Piston, Hypereutectic, Dish, 3.895 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, AMC, L6, Each
Part Number: UEM-S3241HC-020
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dish, 3.905 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, AMC, L6, Each
Part Number: UEM-S3241HC-030
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229-020
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.885 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229C-010
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229C-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229-030
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229C-030
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.885 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229-010
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229-060
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Cast, Dish, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Each
Part Number: UEM-S2229C-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dish, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Each
Part Number: UEM-S3242HC-020
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dish, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Each
Part Number: UEM-S3242HC-030
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dish, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Each
Part Number: UEM-S3242HC-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dish, 3.915 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, AMC, L6, Each
Part Number: UEM-S3241HC-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dish, 3.935 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, AMC, L6, Each
Part Number: UEM-S3241HC-060
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dish, 3.875 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, AMC, L6, Each
Part Number: UEM-S3241HC-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dish, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Each
Part Number: UEM-S3242HC-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Hypereutectic, Dish, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, Set of 6
Part Number: UEM-3242HC-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 4032 Aluminum, 3.895 in. Bore, 3.895 in. Stroke, Dish, Jeep, Set of 6
Part Number: UEM-IC668020
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 4032 Aluminum, 3.935 in. Bore, 3.895 in. Stroke, Dish, Jeep, Set of 6
Part Number: UEM-IC668-060
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Belt, Poly Rib, Serpentine, 102.56 in. Length, .813 in. Width, Each
Part Number: DAC-5061025
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Piston Ring Set 63-95 BUI/CHV/GMC/JEP/OLD/PON 3.8L/4.0L/4.1L
Part Number: EGN-R38856040
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Crate Engine, Remanufactured, Long Block, Assembled, Jeep, 4.0L/242, Each
Part Number: VRE-DA37
Not Yet Reviewed
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster