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03 37017 002 AL Locking Diesel Fuel Cap For Freightliner Cascadia Columbia 96 18
$61.59
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$61.59
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This AL Locking Diesel Fuel Cap is a locking aluminum fuel cap compatible with 1996–2018 Freightliner Cascadia and Columbia trucks and matches OEM Part# 03-37017-002.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
Protect your diesel fuel with this AL locking diesel fuel cap, a direct replacement for 1996–2018 Freightliner Cascadia and Columbia models. It prevents fuel theft, siphoning, and contamination while maintaining a tight seal. Built for fleet operators and owner-operators, this AL locking diesel fuel cap adds security to everyday fueling without slowing down your schedule.
Key Features & Performance
- Solid aluminum body resists corrosion and withstands extreme weather
- Keyed locking mechanism secures the fuel filler neck against unauthorized access
- Precision O-ring seal prevents diesel leaks and keeps moisture out of the tank
- Direct thread-on installation replaces the factory cap — no modifications needed
- Heavy-duty construction meets the demands of long-haul and vocational trucks
Fitment & Compatibility
- 1996–2018 Freightliner Cascadia
- 1996–2018 Freightliner Columbia
- Compatible with diesel fuel filler necks on the listed models (verify thread pattern)
Common Uses
- Securing diesel tanks on fleet trucks, semi-trailers, and dump trucks
- Preventing fuel theft and siphoning at overnight parking lots and job sites
- Keeping dust, water, and debris out of the fuel system during off-road or construction use
- Replacing worn or lost factory fuel caps with a secure locking alternative
- Maintaining fuel quality for engines that sit for extended periods
Technical Specifications
- Part Number(s): 03-37017-002
- Material: Aluminum
- Cap Type: Locking diesel fuel cap
Frequently Asked Questions
Q: Will this cap fit all Freightliner Columbia models? A: It fits 1996–2018 Columbia diesel trucks with the factory filler neck; always check thread size before purchase to confirm compatibility.
Q: Are spare keys available? A: Yes, replacement keys can be cut by a locksmith using the lock cylinder code; the cap typically includes two keys with purchase.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.