Filler Neck Parts - DEF Filler Neck

DEF Filler Neck

The DEF Filler Neck is precision-engineered for Ford, GMC/Chevy, and Dodge/Ram vehicles, providing seamless compatibility for all your upfitting projects. Designed to simplify chassis-to-truck-body conversions, this essential component streamlines installation while enhancing efficiency and reliability.

Constructed from durable stainless steel, the DEF Filler Neck offers outstanding resistance to corrosion from diesel exhaust fluid, ensuring long-lasting performance in the toughest work environments. Built with the needs of the work truck industry in mind, it’s a must-have for fleets, service trucks, agricultural equipment, construction vehicles, long-haul trucks, and more.

Features:

• Universal fit for Ford, GM/Chevy, and Dodge/Ram vehicles

• Made from corrosion-resistant stainless steel to handle DEF fluid

• Compatible with Ford thread DEF cap (070GC35003)

• Total length: 6.25"

• Flange diameter: 3.25"

• Length behind flange: 5"

• Bolt pattern accommodates Ford Bezel or TFI Stainless Bezel (070BE33411); other bezels may require additional mounting holes