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SKU:
NLT1M01075
Ships for free in 2–4 business days.
03-37017-002 Locking Diesel Fuel Cap for Freightliner Cascadia and Columbia
$62.99
In Stock
$62.99
Sale price
$62.99
Regular price
New aftermarket locking diesel fuel cap replacing 03-37017-002 for compatible Freightliner Cascadia and Columbia trucks.
Estimated delivery between
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Freightliner Cascadia — compatible applications through the listed 1996-2018 range
- Freightliner Columbia — compatible applications through the listed 1996-2018 range
- Additional Freightliner models using cap 03-37017-002; verify filler neck
Product Overview
A missing cap, damaged seal, worn threads, or a need to limit casual fuel access can make a locking replacement worthwhile. A cap that does not seal can also allow water and dirt into the tank.
Freightliner fuel tanks and necks vary across a broad year range. Match 03-37017-002, neck diameter, thread or locking style, venting, seal, and key arrangement.
Key Features & Performance
- Locking cap helps restrict unauthorized tank access
- Seals the compatible diesel filler neck
- Supplied for listed Freightliner applications when neck design matches
- Reference number 03-37017-002
Replaces Part Numbers
- 03-37017-002
Common Uses
- Replacing a lost diesel fuel cap
- Renewing a cap with a damaged seal or lock
- Adding a locking cap to a compatible truck fuel tank
Technical Specifications
- Product Type: Locking Diesel Fuel Cap
- Fuel: Diesel
- Locking: Yes
- Condition: New
- Replacement Type: Aftermarket
- Reference Number: 03-37017-002
Installation & Fitment
- Clean the filler-neck sealing surface
- Compare neck diameter, engagement, venting, and gasket
- Turn the cap until it seats and locks correctly
- Check for looseness, leakage, or tank-venting issues
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.
Cross-check 03-37017-002 and compare filler-neck diameter, engagement style, venting, gasket, and truck tank configuration.
Frequently Asked Questions
Q: Can the wrong fuel cap cause tank venting problems? A: Yes. The cap and tank vent design must be compatible; match the original specification and neck.
Q: How do I confirm this is the correct locking diesel fuel cap? A: Cross-check 03-37017-002 and compare filler-neck diameter, engagement style, venting, gasket, and truck tank configuration.
Q: Is this supplied by Freightliner? A: No. This is a new aftermarket product. Brand and model names identify compatible applications only.
Part Summary
keywords: 03-37017-002 fuel cap, Freightliner Cascadia locking cap, Columbia diesel tank cap, locking semi truck fuel cap, Freightliner fuel theft cap
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.