Flex Drain Hose for Kawasaki FR730V FR691 FR691V FR651V

SeSicWe Flex Drain Hose is a ready-to-install replacement drain line designed to fit select Kawasaki, Toro and Kubota small engines, sold as a two-piece set made from heavy‑duty rubber with brass fittings.

This flexible drain hose replaces part numbers 510440902 and 51044-0902 and is engineered to restore reliable oil and fluid drainage for walk‑behind mowers and small utility engines. It’s sized and terminated to match Kawasaki FH, FR, FS and FX series engines—also compatible with specific Toro and Kubota models—so you won’t need to modify existing connections. The hose’s construction combines a flexible rubber body with brass ends for a corrosion‑resistant seal that simplifies maintenance and keeps fluids flowing cleanly during service.

Which engines and models does this hose fit?

This drain hose fits a range of Kawasaki engine families and select Toro and Kubota machines. Confirm compatibility with your engine model before purchasing to ensure a correct fit and leak‑free connection.

• Kawasaki: FR730V, FR691, FR691V, FR651V, FR600V, FH721V, FS541, FJ180V, FS730V
• Toro: MX5060, FX730V
• Kubota: Z412, Z122R
• Replaces part numbers: 510440902 and 51044-0902

How durable and easy to install is the SeSicWe drain hose?

The hose pairs a tough rubber body with brass fittings to resist cracking, softening and corrosion, so it stands up to shop conditions and seasonal storage. Installation is straightforward: remove the old hose, slide on the new hose and secure clamps or fittings as required—no special tools normally needed.

• Heavy‑duty rubber resists oil and temperature changes
• Brass ends provide corrosion resistance and reliable sealing
• Simple swap‑out replacement—no engine modification needed
• Sold as a pack of 2 for dual replacements or spares

What measurements and connection types should I check before buying?

Measure the original hose length and compare connection diameters to ensure a leak‑free fit. Check whether your engine uses clamps or threaded fittings and keep those fasteners handy for reassembly.

• Confirm overall hose length equals or exceeds your current hose
• Match inner diameter and end fittings to your engine drain port
• Inspect for required clamps or retaining hardware—reused or replaced as needed
• Verify model match using Kawasaki, Toro or Kubota model numbers listed above

Why choose this replacement instead of a generic hose?

This part is manufactured to align with OEM fitment specs for the engines listed, so it reduces the guesswork and eliminates common fit and leak issues associated with non‑matched generic hoses. The included pair gives you a ready spare for the shop or a backup during multi‑engine maintenance.

• Engine‑matched fit minimizes modification or trimming
• Durable materials extend service life compared with low‑grade hoses
• Pack of two saves time and cost when servicing multiple machines

Who is this for: This SeSicWe Flex Drain Hose set is aimed at lawn care professionals, equipment mechanics and DIY owners who maintain Kawasaki FH/FR/FS series engines or the listed Toro and Kubota models. It’s especially useful for anyone replacing worn or cracked drain lines seeking a durable, direct‑fit replacement that uses brass fittings to resist corrosion and rubber that tolerates workshop conditions.