DTech CAT C15 Stage 1 Cylinder Head | DT2635055S1 - US Market Only The DTech CAT C15 Stage 1 Cylinder Head, part number DT2635055S1, is designed for Caterpillar C15 applications and provides a practical replacement for standard C15 service work. 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 loaded cylinder head to restore engine performance with a new cylinder head built for reliable fit and 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 1: Economic (EE) - Standard Replacement Stage Description: This cylinder head features standard OEM-equivalent valves, providing reliable, cost-conscious performance. It is the ideal direct-fit replacement for farm trucks, vocational vehicles, or applications that see standard duty cycles and do not require extreme heat resistance. Need more durability for demanding conditions? This engine platform is also available in higher performance tier.

• DT2635055S2 - View Stage 2 (Inconel Valve Upgrade) for improved heat resistance in over-the-road applications.
• DT2635055S3 - View Stage 3 (Full Inconel Build) for maximum durability in heavy haul and high-horsepower applications.

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.