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Semi Truck Locking Diesel Fuel Cap Cover for Freightliner Sterling Western Star
$100.99
Sale price
$100.99
Regular price
Available to Order
This Locking Diesel Fuel Cap Cover is a heavy-duty locking diesel fuel cap cover compatible with Freightliner, Sterling, and Western Star semi trucks and matches OEM fuel cap fitment.
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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
This locking diesel fuel cap cover provides secure fuel tank protection for Freightliner, Sterling, and Western Star heavy-duty trucks. It prevents unauthorized access, siphoning, and fuel contamination, giving fleet managers and owner-operators peace of mind. The cap cover is built to withstand harsh weather and daily rigors, preserving fuel quality on every route.
Key Features & Performance
- Keyed locking mechanism deters fuel theft and tampering
- Durable metal construction with corrosion-resistant finish
- Precision-engineered to fit diesel fuel filler necks on Freightliner, Sterling, and Western Star models
- Rubberized seal prevents moisture and debris intrusion
- Easy one-hand operation with included key set
Fitment & Compatibility
- Freightliner Cascadia, Century, Columbia, and other Class 8 models
- Sterling trucks (A-Line, L-Line, and other heavy-duty models)
- Western Star 4900, 5700, and additional commercial trucks
- Many aftermarket diesel tanks with standard semi-truck filler necks
Common Uses
- Long-haul fleet fuel security
- Owner-operator theft prevention
- Intercity and regional delivery trucks
- Refrigeration unit and generator fuel tanks on trailers
- Diesel tank storage at terminals and yards
Frequently Asked Questions
Q: Does this cap fit all Freightliner, Sterling, and Western Star truck models? A: It is designed to fit the majority of diesel fuel filler necks on these brands; verify your tank opening diameter for a precise match.
Q: How many keys are included with the locking fuel cap? A: The cap comes with two keys, providing a spare for convenience and backup.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.