Description
Comparison points and tradeoffs
When comparing Velvac 600244 Anti-Siphon Tube Filler Neck (2-1/4 in) with other Filler Necks options, use this source-backed detail as the primary discriminator: Size: 2 inches, 2-1/4 inches.
Use this second fact to evaluate the tradeoff: Category: Replacement Parts / Fuel System / Fuel Tanks & Accessories / Filler Necks. A third point to compare across alternatives is: Application note: About this item Vented design allows fueling at 20+ gallons per minute Fits heavy duty Freightliner Fast and easy installation – tube is designed to lock onto filler neck wall to prevent removal 2-3/4 inches from the underside of the top lip Protect your fuel with Velvac’s Anti-Siphon Tube: Eliminates the potential for fuel theft from syphoning through filler neck.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
Protect your fuel with Velvac’s Anti-Siphon Tube: Eliminates the potential for fuel theft from syphoning through filler neck.
Source product highlights
About this item
- Vented design allows fueling at 20+ gallons per minute
- Fits heavy duty Freightliner
- Fast and easy installation – tube is designed to lock onto filler neck wall to prevent removal
- 2-3/4 inches from the underside of the top lip




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