RULLINE 4\" to 3\" Inch Black PVC Reducer Coupler with 2pcs Clamps RV Plumbing Fittings PVC Pipe Coupler Adapter RV Sewer Connection

$RULLINE 4\" to 3\" Inch Black PVC Reducer Coupler with 2pcs Clamps RV Plumbing Fittings PVC Pipe Coupler Adapter RV Sewer Connection$

Key features

•[Premium Material] Crafted from top-notch PVC material, this product boasts durability and the ability to be disassembled and reused numerous times.
•[Efficient Function] It serves the purpose of connecting a 4" pipe to a 3" pipe seamlessly.
•[Included Components] Each package contains one 4" to 3" Coupler along with two clamps for secure installation.
•[Important Note] We advise against using this product with turbocharged/supercharged engines to ensure safe and optimal performance.
•[Product Color] Available in a sleek black finish.

BrandRULLINE

CategorySewer Hose Carriers & Fittings

Size3" X 4" Adapter

RULLINE 4\" to 3\" Inch Black PVC Reducer Coupler with 2pcs Clamps RV Plumbing Fittings PVC Pipe Coupler Adapter RV Sewer Connection

List Price: $29.08$26.17DEALYou Save: $2.91 (10%)

Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 24, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection

Related products

RecPro

$RecPro RV Extendable Waste Hose Carrier Super Slider Storage Tube (33\" - Extends to 60\")$

RecPro RV Extendable Waste Hose Carrier Super Slider Storage Tube (33\" - Extends to 60\")

List: $83.65$75.29DEAL

RULLINE

$RULLINE 4\" to 3\" Black PVC Reducer Coupler & 3\" to 3\" Black PVC Coupler with 4pcs Clamps RV Plumbing Fittings PVC Pipe Coupler Adapter RV Sewer Connection$

RULLINE 4\" to 3\" Black PVC Reducer Coupler & 3\" to 3\" Black PVC Coupler with 4pcs Clamps RV Plumbing Fittings PVC Pipe Coupler Adapter RV Sewer Connection

List: $36.65$32.99DEAL

Valterra

Valterra S1500 Slunky RV Drainage Hose Support, 15 ft., Black

List: $60.74$54.67DEAL

Valterra

VALTERRA D04-0471BKVP Sewer Hose Hatch - Black

List: $54.46$49.01DEAL

TonGass

$TonGass (2+2 Combo Pack) Rotating Rigid Sewer Pipe Bayonet Adapter with 3\" Male Thread and Bayonet Hooks, Termination Adapter with 3\" Bayonet and 3\" Hub, RV Sewer Hose Fittings Adapter - Black$

TonGass (2+2 Combo Pack) Rotating Rigid Sewer Pipe Bayonet Adapter with 3\" Male Thread and Bayonet Hooks, Termination Adapter with 3\" Bayonet and 3\" Hub, RV Sewer Hose Fittings Adapter - Black

List: $38.39$34.55DEAL

RULLINE

$RULLINE RV and Camper Sewer Waste Plumbing Connection System Kit Compatible with 3\" PVC Pipe RV Sewer Hose Fittings RV Sewer Adapter$

RULLINE RV and Camper Sewer Waste Plumbing Connection System Kit Compatible with 3\" PVC Pipe RV Sewer Hose Fittings RV Sewer Adapter

List: $107.42$96.68DEAL

Sporacingrts

$Sporacingrts RV and Camper Sewer Waste Plumbing Connection System Kit Compatible with 3\" PVC Pipe RV Sewer Adapter RV Sewer Hose Fittings$

Sporacingrts RV and Camper Sewer Waste Plumbing Connection System Kit Compatible with 3\" PVC Pipe RV Sewer Adapter RV Sewer Hose Fittings

List: $107.42$96.68DEAL

Valterra

Valterra T1023 ClearView Hose Adapter - 90°

List: $21.30$19.17DEAL