Need to extend your sewer hose run? The Camco Easy Slip Internal Hose Coupler (Part 39163 / SKU 11-0264) slides inside two standard 3-inch RV sewer hoses and locks them together with spin-lock rings, creating a secure, airtight connection with full, unrestricted flow. When camp is done, the coupler stores right inside the hose in a standard 4-inch bumper -- no loose parts to lose.
Running a longer dump station reach, connecting hoses end-to-end, or replacing a broken coupler on your existing hose set? The Camco 39163 is the clean, compact answer. Its tapered barrel slides inside the ends of any standard 3-inch RV sewer hose, while the dual spin-lock rings twist to cinch the connection tight. No clamps, no tools, no mess.
Unlike slip-on external couplers that can snag or separate, the internal design keeps the joint low-profile and maintains a smooth inner bore so waste flows freely. The connection is rated airtight -- no odor leaks, no drip points at the joint.
Dual locking rings twist to clamp the coupler firmly inside each hose end, creating an airtight joint that holds during a dump even if the hose shifts.
Tapered barrel profile makes insertion easy and accepts all standard 3-inch diameter RV sewer hoses and slip-over fittings without forcing.
Internal bore is smooth and unobstructed -- the coupler adds no meaningful restriction to waste flow, keeping your dump fast and complete.
Compact enough to store with your sewer hose inside a standard 4-inch RV bumper. Everything stays together so nothing gets left behind at the dump station.
The 39163 is designed to fit all major brands of 3-inch diameter RV sewer hose including Camco's own Rhinoflex and Thetford hose sets. Tapered ends also accept standard slip-over fittings, so you can integrate it into an existing hose-and-fitting configuration without adapters.