WSTPARTS supplies 116 genuine and high-quality OEM replacement parts for Caterpillar 312D equipment, covering 20 major systems including Drivetrain, Bolt/Nut, Structure, Seal, Turbocharger. Every part number below is fitment-verified before dispatch, backed by factory-direct pricing and a 12-month warranty. Send us your machine serial number for a fast quotation.
Are these genuine Caterpillar 312D parts?
We supply both genuine CAT parts with anti-counterfeit labels and OEM-equivalent alternatives built to the same specifications. All parts are fitment-verified for the 312D before dispatch and covered by a 12-month warranty.
How do I confirm the part number for my 312D?
Match the part number on your old part, or send us your machine serial number — WSTPARTS verifies fitment free of charge.
