Dayco 72195 Radiator Coolant Hose - Lower

Dayco Curved Radiator Hose 72195

Dayco 72195 is a curved radiator coolant hose built for lower cooling-system routing on select Chevrolet and GMC heavy-duty trucks and SUVs. It uses EPDM construction and a black finish to match common OE-style cooling hose requirements.

This branched radiator hose is shaped for applications that need a main trunk with a third branch connection, with 1 3/4-inch inside diameter ends and a 1-inch branch. It is specified to SAE J20R4 Class D-1 and SAE J1684 Type EC standards for coolant hose service.

Key Features

• EPDM rubber construction for radiator coolant service
• Black finish for a clean OE-style appearance
• Branched hose design with a 21-inch trunk height
• End 1 inside diameter: 1 3/4 inches
• End 2 inside diameter: 1 3/4 inches
• End 3 inside diameter: 1 inch
• SAE J20R4 Class D-1 and SAE J1684 Type EC specification
• Cross-references ACDelco 24469L and Gates 22683 for the same application

Detailed Description

Dayco Curved Radiator Hose 72195 is a lower radiator coolant hose for select Chevrolet Avalanche 2500, Silverado 2500 HD, Silverado 3500, Suburban 2500, C3500, K3500, K2500, and GMC Sierra 2500 HD, Sierra 3500, Yukon XL 2500 applications. It is also listed for 1997-2000 Chevrolet and GMC C3500 and K3500 models with over 15,000 GVW, where the curved branched layout is required for proper coolant routing. The hose’s EPDM material and SAE-rated construction support use in demanding cooling-system environments.

Vehicle Fitment

• Fits 2002 Chevrolet Avalanche 2500, lower
• Fits 2001-2002 Chevrolet Silverado 2500 HD, lower
• Fits 2001-2002 Chevrolet Silverado 3500, lower
• Fits 2001-2002 Chevrolet Suburban 2500, lower
• Fits 1999-2000 Chevrolet C3500, lower, over 15,000 GVW; curved radiator hose
• Fits 1997 Chevrolet C3500, lower, over 15,000 GVW; curved radiator hose
• Fits 1997-2000 Chevrolet K3500, lower, over 15,000 GVW; curved radiator hose
• Fits 1997-2000 Chevrolet K2500, lower, over 15,000 GVW; over 15,000 GVW; curved radiator hose
• Fits 2001-2002 GMC Sierra 2500 HD, lower
• Fits 2001-2002 GMC Sierra 3500, lower
• Fits 2001-2002 GMC Yukon XL 2500, lower
• Fits 1997-2000 GMC C3500, lower, over 15,000 GVW; curved radiator hose
• Fits 1997-2000 GMC K3500, lower, over 15,000 GVW; curved radiator hose

Common Uses

• Replacing a cracked or split lower radiator hose
• Restoring coolant flow in a branched hose routing
• Addressing coolant seepage at hose ends
• Correcting hose collapse, hardening, or swelling
• Servicing cooling systems on Chevrolet Silverado 2500 HD, GMC Sierra 3500, and related heavy-duty applications

Installation Notes

Verify hose routing, end diameters, and branch orientation against the removed part before installation. Inspect the radiator neck, engine connection points, and clamps for wear or corrosion, and confirm the hose is seated fully at each connection. This lower curved radiator hose is intended for applications listed above and should be matched to the vehicle’s cooling-system layout.

Quality Assurance

Dayco manufactures this hose to published SAE specifications for coolant-hose performance. The part number 72195 is also used as a reference for OE-style replacement sourcing in the listed Chevrolet and GMC applications.