2x Locking Diesel Fuel Cap for 96-18 Freightliner Cascadia Columbia 03-37017-002

2x Locking Diesel Fuel Cap for Freightliner Cascadia and Columbia 1996-2018

This pair of locking diesel fuel caps secures the fuel tank on Freightliner Cascadia and Columbia trucks, directly replacing part number 03-37017-002.

Overview

The 2x locking diesel fuel cap set provides a secure, keyed closure for the saddle fuel tanks on 1996-2018 Freightliner Cascadia and Columbia heavy-duty trucks. It helps prevent fuel theft and contamination while maintaining proper tank venting. Designed for fleet operators and owner-operators who need a reliable diesel fuel cap that locks.

Built For Performance

• Locking mechanism with included keys deters unauthorized fuel access
• Both caps are keyed alike for convenient single-key operation
• Durable nylon and rubber construction resists diesel fuel and weather
• Direct replacement for OEM cap part number 03-37017-002
• Maintains proper tank pressure venting to prevent vacuum lock
• Seals tightly to keep out dirt, water, and debris

Fits These Machines

• for Freightliner Cascadia 1996-2018
• for Freightliner Columbia 1996-2018

On-The-Job Use

• Long-haul trucking where fuel theft is a concern
• Fleet yard security to prevent unauthorized fueling
• Replacement for worn or missing original fuel caps
• Daily fueling operations that require a fast, keyed cap

Specs At A Glance

Good To Know

Q: Do both caps use the same key? A: Yes, this set includes two locking diesel fuel caps keyed alike, so you need only one key for both.

Q: Will these caps fit other Freightliner models? A: They are designed for the Cascadia and Columbia from 1996-2018; fit on other models may vary, so verify your tank neck diameter.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.