MQ4E. New FP-1445902 aftermarket compression piston ring. Reference Caterpillar 144-5902. Sold individually.
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MQ4E –
New aftermarket compression piston ring, part number FP-1445902, cross-referenced to Caterpillar 1445902 (144-5902). This is an aftermarket part, not a genuine Caterpillar part.
Outside diameter: 137.16 mm (5.4 inches). Sold individually, not as a complete piston ring set. Match the original part number, piston groove and engine arrangement before ordering.
Product identification
Products explicitly described as “Genuine OEM” are genuine original equipment manufacturer parts. Other references to OEM names, part numbers, or model numbers are provided to identify compatibility and do not imply that a product is OEM.
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