MDEOOSKY Fuel Cap Replacement for Kubota Mini Excavator and Skid Steer RD411-51122 — 2 Keys, Locking Diesel Tank Cover

MDEOOSKY replacement fuel cap RD411-51122 is a direct-fit diesel tank cover for select Kubota mini excavators and skid steers, supplied with two keys for secure refueling.

This replacement fuel cap is built to match the OEM fit and function for many Kubota models, letting you swap the old or missing cap quickly without drilling or modification. It’s manufactured to resist fuel vapor leaks and everyday jobsite wear, and comes with two keyed locks so you can keep one on hand as a spare. Before ordering, verify the part number and confirm compatibility with your machine model and year.

Will this fuel cap fit my Kubota model?

Compatibility depends on both model and part number. The MDEOOSKY cap is intended as a replacement for machines that accept part RD411-51122 or 411-51122.

• Accepted models listed include SVL75, SVL75-2, SVL75C, SVL90 series, SVL95 series variants.
• Also fits KX series mini excavators like KX41-3, KX91-3S, KX91-3S2 and other KX variants.
• Confirm your machine’s parts sticker or compare with the old cap and part number before purchase.

How simple is the installation?

The cap is designed for direct fit replacement, requiring no special tools in most cases. Installation is typically a matter of removing the old cap and inserting the new one, then locking with the provided key.

• Direct-fit design mirrors OEM dimensions and locking interface.
• Included two keys — one for immediate use and one spare to keep safe.
• Ideal for field replacement: quick swap helps minimize downtime.

What materials and performance can I expect?

This replacement fuel cap is built to endure the conditions common on construction and landscaping sites. It focuses on maintaining a secure seal to reduce fuel vapor escape and resisting common wear from handling and exposure.

• Durable construction suitable for frequent use and outdoor storage.
• Locking mechanism supplied with keyed pair for theft deterrence and convenience.
• Designed to align with OEM sealing requirements for dependable closure.

What should I check before buying?

To avoid return delays, verify your machine’s model, year, and existing fuel cap part number match the RD411-51122 reference. Visual comparison of the cap and locking interface is the simplest confirmation method.

• Compare the part number on your old cap or your machine parts manual.
• Match the cap’s shape and keyed lock style to the current unit on your tank.
• Contact seller or parts department with VIN/serial if unsure about compatibility.

Who is this for? The MDEOOSKY RD411-51122 fuel cap is suitable for owners, fleet managers, and technicians who need a reliable, quick replacement for lost or damaged Kubota fuel caps on mini excavators and skid steers. It’s ideal for jobsite maintenance crews and equipment rental companies that require an immediate, cost-effective fix that restores secure fueling and reduces downtime. If you operate one of the listed Kubota models and want a straightforward OEM-style replacement with two keys included, this cap is a practical, low-effort solution.