Description
The Mishimoto MMHOSE-GM-24L is a purpose-built silicone lower radiator hose engineered as a direct fit for the 1978-1986 GMC C/K Truck equipped with the 292 4.6L engine. Unlike the factory rubber hose it replaces, this Classic Line component is molded from five layers of silicone reinforced with heat-resistant embedded fibers, giving it the durability to handle demanding cooling system conditions. It ships in black and includes two worm-gear clamps so the swap is straightforward.
Cooling system reliability starts with hoses that can withstand heat cycling and pressure without cracking or collapsing, and that’s exactly the problem this Mishimoto silicone hose is designed to solve. Where OE rubber hoses degrade over time from constant exposure to engine bay heat, the multi-layer silicone construction used here is built to resist that breakdown, helping maintain consistent coolant flow whether the truck is driven daily or taken out for weekend cruises. As a Performance-grade, specific-fit hose rated to a maximum temperature of 330°F, it’s a straightforward upgrade for owners looking to move away from aging rubber components in favor of a more heat- and pressure-tolerant silicone alternative.
Vehicle Applications
This lower radiator hose is a direct fit for the 1978-1986 GMC C/K Truck fitted with the 292 4.6L engine, per Mishimoto’s specification for this part. It is offered under the Mishimoto Classic Line as a silicone replacement hose for that specific GM C/K Truck application.
Features
- Direct fit for the 1978-1986 GMC C/K Truck with a 292 4.6L engine
- Constructed from five layers of silicone with heat-resistant embedded fibers
- Improves heat and pressure tolerance compared to factory rubber hoses
- Includes high-quality worm-gear clamps for ease of installation
- Available in black
- Backed by the Mishimoto Lifetime Warranty
Specifications
- Hose Material: Silicone
- Hose Color: Black
- Grade Type: Performance
- Universal or Specific Fit: Specific
- Maximum Temperature Rating: 330°F
- Clamps Included: Yes
- Purchase Includes: (1) Silicone Hose, (2) Worm-Gear Clamps, Mishimoto Lifetime Warranty
- Recommended Clamp Torque: 22 in-lbs (2.5NM); operating range 18-27 in-lbs (2-3NM); do not exceed 27 in-lbs (3NM)
Frequently Asked Questions
What vehicles does the Mishimoto MMHOSE-GM-24L fit?
This silicone lower radiator hose is a direct fit for the 1978-1986 GMC C/K Truck equipped with the 292 4.6L engine.
What material is this hose made from?
It is constructed from five layers of silicone with heat-resistant embedded fibers, offering improved heat and pressure tolerance compared to rubber.
Does this hose come with installation clamps?
Yes, it includes two worm-gear clamps for ease of installation.
What color options are available?
This hose is available in black.
What is the maximum temperature rating of this hose?
The hose has a maximum temperature rating of 330°F.
What warranty is included with this hose?
It is backed by the Mishimoto Lifetime Warranty.
âš WARNING (California Proposition 65): This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
