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The Mahle OE chrome ring set for Ford 3.9L (2000–2004) is a direct-fit piston ring replacement, formerly sold as Mahle 01521N030. MAHLE piston rings are developed to meet OE requirements, focusing on reduced friction and lower ring mass to minimize engine oil consumption and extend service life. These chrome rings reflect MAHLE's piston ring technology aimed at OE-level durability and efficiency.
Mahle Rings Ford 3.9L 2000 - 2004 Was Mahle 01521N030 Chrome Ring Set
