DTech CAT C15 Stage 2 Cylinder Head | DT2635055S2 - US Market Only The DTech CAT C15 Stage 2 Cylinder Head, part number DT2635055S2, is designed for Caterpillar C15 applications using OEM cross-reference 2635055 and provides a versatile replacement option for repair programs that need broader installation flexibility. Built as a new heavy-duty diesel cylinder head and cross-referenced to OEM part number 2635055, this product helps technicians source the right replacement quickly and install with confidence. Choose this CAT C15 universal cylinder head to support demanding service needs with a new universal head configuration and strong overall value. With DTech, you get better parts better value, backed by Alliant Power. DTech provides the quality you can trust stronger than before. Stage Indicator: Stage 2: Excellent (EH / HE) – Inconel Valve Upgrade Stage Description: Engineered for demanding duty cycles, this cylinder head features an Inconel intake or exhaust valve upgrade. The advanced alloy provides significantly improved heat resistance, extending valve service life for standard over-the-road and vocational trucks operating in high-temperature environments. Looking for a different performance level?

• DT2635055S3 - View Stage 3 (Full Inconel Build) for 1.8x valve tensile strength, built for heavy haul and severe duty.
• DT2635055S1 - View Stage 1 (Standard Replacement) for reliable, cost-conscious option for standard duty cycles.

DTech Cylinder Head Warranty Policy Statement

• DTech cylinder heads are engineered and validated for use in properly maintained engines operating within original equipment manufacturer (OEM) specifications and recommended operating conditions.
• DTech cylinder heads are backed by a 12-month, unlimited mileage warranty from the date of purchase.
• Approved warrantable claims are limited to a maximum of $1,000 per claim on labor.