Aftermarket vs OEM Heavy-Duty Truck Parts: The 2026 Buyer's Guide for Fleets and Owner-Operators
Aftermarket vs OEM heavy-duty truck parts — a 2026 buyer's guide for fleet managers and owner-operators. Compare real-world cost savings (40-70%), Magnuson-Moss warranty law, DOT/FMVSS standards, and when each option wins.
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