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Lincoln Mks Capless Fuel Funnels

Lincoln Mks Capless fuel funnels

Starting at $5.95, AutoBuffy stocks 1 capless fuel funnels from SKP. A capless fuel funnel is a short adapter that lets you pour fuel, add a gas can, or use a siphon hose in vehicles with capless filler necks — which block standard nozzles and hoses. Without one, forcing entry risks damaging the spring-loaded inlet valve, causing fuel spills or a stuck-open seal.

Signs your Lincoln Mks needs a capless fuel funnel

  • You cannot insert a standard siphon hose or transfer pump hose into the fuel filler neck without resistance or blockage
  • Fuel spills back out when pouring from a portable gas can because the capless inlet valve won't stay open properly
  • A check-engine or EVAP leak code appears after a DIY refueling attempt that forced or damaged the spring-loaded inlet seal
  • The capless inlet flap feels stiff, bent, or no longer springs back after a previous improper fuel transfer attempt
  • You smell raw fuel near the filler door after using a gas can without the proper funnel adapter
  • Roadside fuel transfer from a jerry can is impossible because no standard funnel seats securely in the capless opening

Which capless fuel funnel should you buy for your Lincoln Mks?

The main decision is fit: capless filler necks vary by diameter and inlet-valve design across makes, so a funnel that seats and seals on one vehicle may leak or not open the valve on another. Beyond fit, consider whether you need basic one-time emergency use or a durable funnel you'll keep in the vehicle for routine fuel transfers and siphoning.

OEM-style vehicle-specific funnel
Best for
Guaranteed fit and proper valve actuation for your exact Lincoln Mks
What you get
Precision-molded neck diameter, correct insertion depth, and reliable valve engagement every time
Universal capless funnel with adjustable collar
Best for
Owners who share one funnel across multiple vehicles
What you get
Adjustable diameter ring that fits a range of capless neck sizes — less precise seal but versatile
Capless funnel with integrated siphon port
Best for
DIYers who also need to drain or transfer fuel from the tank
What you get
Standard funnel function plus a secondary port sized for a siphon or transfer-pump hose
Emergency/compact flat-pack funnel
Best for
Keeping in a roadside kit for infrequent use with a gas can
What you get
Lightweight, foldable design that stores flat in a trunk kit — adequate for occasional emergency fill-ups, not repeated use

Capless fuel funnels brands we stock for your Lincoln Mks

SKP
1 option · from $5.95

Using a capless fuel funnel on a Lincoln Mks

Easy⏱ Under 5 minutesCapless fuel funnel (correct fit for Lincoln Mks)Approved fuel container or gas canLint-free rag for spill cleanup

Insert the capless funnel straight into the filler neck with steady, even pressure until it seats and you feel the spring-loaded inlet valve depress — do not force or angle it. Pour fuel slowly to prevent vapor blowback, then withdraw the funnel in one smooth pull so the inlet valve reseats fully and seals the system. Wipe the funnel and filler area clean before closing the fuel door.

Frequently asked questions

How much does it cost to replace capless fuel funnels on a Lincoln Mks?
A capless fuel funnel for your Lincoln Mks starts at $5.95 at AutoBuffy. This is a consumable adapter, not a labor-intensive repair — you buy the funnel once and reuse it. No professional installation is needed, so the part price is essentially your total cost.
Can I use a regular funnel in my Lincoln Mks's capless fuel filler?
No. A standard funnel will not depress the spring-loaded inlet valve inside a capless filler neck, so fuel either pools at the inlet and spills or flows too slowly. Forcing a non-compatible funnel can bend the valve flap and trigger an EVAP system fault code. Use a funnel designed specifically for capless systems.
Will a capless fuel funnel work for siphoning fuel out of my Lincoln Mks?
Only if the funnel includes a secondary siphon port or is sold as a siphon-compatible adapter. A basic capless funnel opens the inlet valve for filling but does not leave a passage large enough for a siphon hose alongside it. Look for funnels that explicitly list siphon or fuel-transfer compatibility before purchasing.
Is a capless fuel funnel a one-time-use item or reusable?
Most capless fuel funnels sold for the Lincoln Mks are fully reusable. Rinse any fuel residue off after use, let it dry, and store it in your trunk or glove box. Emergency flat-pack versions made of thin plastic may degrade faster but still last multiple uses if handled carefully.
How do I know if my Lincoln Mks has a capless fuel filler?
Open the fuel filler door — if there is no removable cap and instead you see a spring-loaded rubber flap or metal valve inside the neck, your Lincoln Mks has a capless system. Many Lincoln models switched to capless fillers as a standard feature, and the owner's manual will confirm it under the refueling section.
Can a missing or wrong capless funnel cause a check-engine light on my Lincoln Mks?
Yes, indirectly. If the inlet valve is held open or damaged by an improper funnel, outside air enters the fuel system and the EVAP monitor detects a purge or leak fault, triggering a check-engine light. Using the correct capless funnel ensures the valve seats fully after each use and the EVAP system stays sealed.

Shop capless fuel funnels by year for the Lincoln Mks

20162015201420132012201120102009

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Capless fuel funnels for other Lincoln models

Lincoln MKTLincoln NavigatorLincoln Mark LTLincoln MKCLincoln MKXLincoln MKZ