New 1316645 Hose 2-1/4 Red Si Replacement suitable for Caterpillar Equipment

The 1316645 hose (2 1/4″ red silicone) is designed to transfer fluids or air between components within a machine’s system. Its durable silicone construction helps resist heat, pressure, and wear, making it suitable for demanding applications such as cooling or turbocharger ducting.

The 1316645 hose (2 1/4″ red silicone) is designed to transfer fluids or air between components within a machine’s system. Its durable silicone construction helps resist heat, pressure, and wear, making it suitable for demanding applications such as cooling or turbocharger ducting.

The 1316645 is a high-temperature silicone hose designed to connect cooling system components ??? such as the radiator, intercooler, water pump, and thermostat housing ??? on Caterpillar equipment. Browse our hydraulic hoses for heavy equipment and cooling hose range for the complete selection.

Here’s a general guide for proper installation:

1. Turn off the machine and relieve any system pressure before beginning.
2. Identify the correct hose routing and remove any clamps or fittings holding the old hose.
3. Carefully remove the old hose and clean the connection points.
4. Position the new 1316645 hose in the same orientation and routing as the original.
5. Secure with appropriate clamps, tightening to the recommended torque specification.
6. Start the machine and inspect for leaks or abnormal performance.

Replace the hose if you notice:

• Cracks, splits, or checking on the outer surface
• Soft spots or delamination when squeezed
• Swelling at the ends where the hose connects to fittings
• Coolant seeping or dripping from the hose or clamp area
• Hose hardening or brittleness from extended heat exposure

The 1316645 hose is used in various heavy equipment and industrial systems that require a 2 1/4″ silicone hose for fluid or air transfer. Compatibility depends on your specific machine’s design and application, so always verify fitment using your service documentation before ordering. If you are still unsure, reach out to Propel Parts, our team will be happy to help you verify if this part fits your equipment.

Hose compatibility depends on the inside diameter, wall thickness, length, and end configurations. For related engine cooling components, see our engine cooling components. Reach out to Propel Parts if you need fitment assistance.

Yes, the 1316645 hose is engineered to meet or exceed OEM specifications for strength and durability. When replacing hoses, choose genuine or high-quality aftermarket parts that meet or exceed OEM expectations to help ensure dependable performance, long life, and resistance to heat and pressure.

Drain the cooling system before removal. Clean the spigot ends and inspect for corrosion. Slide the hose onto both spigots with the correct overlap, then position and tighten all hose clamps to specification. Never reuse old hose clamps ??? always install fresh clamps with a new hose.

Hoses should be inspected regularly during routine maintenance, especially in high-temperature or high-pressure applications. Look for signs of cracking, swelling, or leaks. Replace the hose promptly if any damage or deterioration is found to avoid system issues.

Yes ??? the 1316645 is a premium aftermarket silicone hose that meets or exceeds OEM specifications for wall thickness, burst pressure rating, and temperature tolerance.

Typical indicators include:

1. Visible cracks or abrasions on the hose surface
2. Soft, bulging, or swollen areas
3. Fluid or air leaks at hose connections
4. Reduced system performance or pressure

Routine visual checks help catch these issues early and maintain optimal operation.

Always refill with the coolant type and concentration specified in your Caterpillar operation and maintenance manual. Using the wrong coolant inhibitor type can cause chemical reactions with seals and metals in the cooling system.

A quality hose ensures proper fluid or air transfer, which is essential for efficient machine operation. Using genuine or high-quality aftermarket parts that meet or exceed OEM expectations helps reduce the risk of leaks, improves reliability, and supports long-term durability of your equipment.

The 1316645 silicone hose is covered by Propel Parts' 12-month warranty from the invoice date. Same-day shipping is available for weekday orders before 3:00 PM ET, with worldwide delivery options.