COOL STAR Engine Heater Outlet & Inlet Hose Kit for 3.6L GM SUVs (Black) — Direct-Fit Rubber with Metal Connectors

COOL STAR Engine Heater Outlet and Inlet Hose kit replaces the original heater inlet and outlet hoses (parts 20765678, 25862087, 25862088) for 3.6L Buick Enclave, Chevrolet Traverse, GMC Acadia and Saturn Outlook models.

This pair of heater hoses — a dedicated outlet and inlet — provides a direct-fit replacement made from durable rubber and metal components to restore coolant routing between the engine and heater core. The set ships as pictured and is designed to match OE fit and function for model years listed below, offering a cost-effective, quick swap for worn or leaking hoses.

Will these hoses fit my vehicle?

These hoses are manufactured to fit specific 3.6L GM vehicles without modification. Confirm compatibility by matching your vehicle year, engine size, and OEM part numbers before purchasing.

• Compatible with Buick Enclave 2008–2017 (3.6L)
• Compatible with Chevrolet Traverse 2009–2017 (3.6L)
• Compatible with GMC Acadia 2007–2017 (3.6L)
• Compatible with Saturn Outlook 2007–2010 (3.6L)
• Replaces part numbers 20765678, 25862087, 25862088

How durable and reliable are these replacement hoses?

Constructed from automotive-grade rubber with metal fittings where needed, the hoses resist heat, oil exposure, and normal engine bay wear. They are intended as direct replacements to restore coolant flow and eliminate leaks associated with aged original equipment.

• Rubber body resists heat and coolant exposure
• Metal connectors for secure OEM-style joins
• Black finish matches engine compartment appearance
• Packaged as a pair for complete heater hose replacement

What comes in the package and is installation difficult?

The product ships with one heater outlet hose and one heater inlet hose as shown in the product image. Installation is a direct replacement for technicians or competent DIYers who can safely depressurize and drain the cooling system.

• Includes: 1 heater outlet hose + 1 heater inlet hose
• Fitment type: direct replacement — no trimming required
• Basic tools and coolant handling knowledge required
• Always refill and bleed cooling system after installation

How do I confirm the correct part before ordering?

Verify by checking existing hose part numbers, comparing hose shapes and connector locations, and confirming your vehicle year and 3.6L engine designation. If uncertain, consult a mechanic or use your vehicle VIN to cross-reference parts.

• Match OEM part numbers 20765678 / 25862087 / 25862088
• Confirm vehicle make, year, and 3.6L engine
• Compare hose routing and connector angles to originals
• Contact a parts specialist with VIN for verification

Who is this for: This COOL STAR heater outlet and inlet hose set is aimed at owners and mechanics of Buick Enclave, Chevrolet Traverse, GMC Acadia, or Saturn Outlook vehicles with the 3.6L engine who need a reliable, direct-fit replacement for worn, cracked, or leaking heater hoses. It suits DIYers comfortable working on cooling systems and professional shops seeking an OEM-style swap at an aftermarket price.