Gates 365966 Power Steering Return Line Hose Assembly - From Gear

Gates Return Line Assembly for Power Steering

The Gates 365966 is a power steering return line hose assembly built for vehicles that need a direct-fit return-side hydraulic hose from the gear. It uses a male O-ring end with a 16 mm connection on one side and a 3/8 in. I.D. hose connection on the other, with an overall length of 139.5 in. for the specified applications.

Gates Return Line Assembly products are engineered for steering-system service where the return hose must route fluid cleanly between the steering gear and cooler-equipped systems. This part number, 365966, is listed for select Chevrolet Impala and Chevrolet Monte Carlo applications.

Key Features

• Power steering return line hose assembly for steering-system repair
• Length: 139.5 in.
• End 1: Male O-Ring, 16 mm
• End 2: 3/8 in. I.D. hose connection
• Position: From Gear
• Fits cooler-equipped applications listed below
• Cross-references Dayco 85010 and Four Seasons 37620 for the same application

Detailed Description

Gates 365966 is a return line hose assembly for power steering systems that route fluid from the steering gear back through the return circuit. The hose configuration, end styles, and length are matched to the listed Chevrolet applications, including 2000-2005 Chevrolet Impala and 2000-2005 Chevrolet Monte Carlo models with return-line routing from the gear. This part number is also referenced as 365966 in interchange listings for easier catalog matching.

Vehicle Fitment

• Fits 2000-2005 Chevrolet Impala, From Gear; W/Cooler; Return Line Assembly
• Fits 2000-2005 Chevrolet Impala, From Gear; W/Cooler; W/O Police, Taxi Pkg.; Return Line Assembly
• Fits 2000-2005 Chevrolet Monte Carlo, From Gear; W/Cooler; Return Line Assembly

What This Part Helps Address

• Power steering fluid leakage at the return hose
• Cracked, hardened, or deteriorated hose material
• Incorrect hose length or end connection on the return side
• Steering fluid routing issues on cooler-equipped systems
• Service replacement for worn steering gear return plumbing

Installation Notes and Tips

Verify the vehicle’s steering layout, cooler presence, and end connections before installation. Match the male O-ring and 3/8 in. hose interfaces to the existing routing, and confirm the hose follows the original path without kinks or tension. For the listed Chevrolet Impala and Chevrolet Monte Carlo applications, confirm the vehicle is a From Gear return-line setup before ordering.

Quality Assurance

Gates is a recognized aftermarket brand for fluid-transfer and steering components. Part number 365966 is cataloged with multiple interchange references, including Dayco 85010 and Four Seasons 37620, which helps confirm application matching during replacement selection.