Gates 12308 HVAC Heater Hose - Throttle Body To Housing or Throttle Body To Pipe

Gates 12308 Molded Heater Hose Overview

The Gates 12308 molded heater hose is an OEM-style coolant hose built for tight engine compartments where a formed routing path matters. Made from EPDM and factory-molded to match the application, it serves coolant, water, and air transfer needs and is also approved for marine use.

Compatible with Nissan Altima heater hose routing, this Gates Molded Heater Hose line is built for smaller-diameter connections and precise fitment. The 12308 part number is a direct reference for buyers searching for a molded heater hose for 2012-2018 Nissan Altima applications.

Key Features

• Brand: Gates Molded Heater Hose
• Part number: 12308
• EPDM construction for coolant-system service
• Factory-molded, OE-style shape for tight engine bays
• End 1 inside diameter: 0.31 in. (8 mm)
• End 2 inside diameter: 0.31 in. (8 mm)
• Centerline length: 12.11 in. (308 mm)
• Designed for coolant, water, and air applications
• Approved for marine applications

Detailed Description

Gates 12308 is a molded heater hose formed to follow the original routing used in compact engine compartments. Its EPDM material is suited for heater and coolant service, while the molded shape helps maintain the correct path between connection points. This makes it a practical replacement when you need an OE-style molded coolant hose for Nissan Altima throttle body plumbing.

This part cross-references Bosch 13308 for the same application. Buyers searching for Gates 12308, a molded heater hose for Nissan Altima, will find it listed for 2012-2014 Nissan Altima, throttle body to housing, and 2015-2018 Nissan Altima, throttle body to pipe.

Common Problems This Hose Can Address

• Cracked or hardened heater hose material
• Coolant seepage at a formed hose section
• Incorrect hose routing in a tight engine bay
• Replacement needs for a damaged throttle body coolant hose
• Fitment issues caused by using a straight hose where a molded hose is required

Installation Notes and Tips

Verify the hose path, end diameters, and centerline length before installation. For fitment, use the vehicle-specific listings: Fits 2012-2014 Nissan Altima, throttle body to housing; Fits 2015-2018 Nissan Altima, throttle body to pipe. Confirm the connection points match the original molded hose layout before final assembly.

Quality Assurance

Gates is a recognized supplier of molded coolant hose products, and this hose follows an OEM-style molded design for application-specific fitment. The EPDM construction and factory-formed shape support consistent replacement quality for the listed Nissan Altima applications.