Mishimoto Silicone Upper Radiator Hose for 1970-1977 Monte Carlo

Mishimoto’s black silicone upper radiator hose (MMHOSE-GM-29U) fits 1970-1977 Chevrolet Monte Carlo models, rated to 330°F with included worm-gear clamps.

Description

The Mishimoto MMHOSE-GM-29U is a black silicone upper radiator hose built specifically to replace the aging rubber hose on classic Chevrolet Monte Carlo cooling systems. Unlike a generic aftermarket hose, this one is molded as a direct-fit replacement and ships with two worm-gear clamps so you’re not left hunting for hardware on installation day.

Rubber hoses on classic GM cooling systems are prone to drying out, cracking, and collapsing over time. Mishimoto addresses this by building every silicone hose in this Classic Line from five layers of silicone reinforced with heat-resistant embedded fibers, improving heat tolerance and pressure tolerance compared to the factory rubber part it replaces. Whether your Monte Carlo, Skylark, or Ventura sees daily driving or weekend cruising duty, upgrading the cooling system with a purpose-built silicone hose is a straightforward way to add reliability without altering the classic look, since the hose is available in black to keep the engine bay looking clean and factory-correct.

Vehicle Applications

This silicone upper radiator hose is a direct fit for the 1970-1977 Chevrolet Monte Carlo across its Base (1970-1974), Landau (1976), and S (1975-1977) trims, specifically for Monte Carlo models equipped with a 305 5.0L, 350 5.7L, or 400 6.6L engine. It also fits the 1977-1979 Buick Skylark, covering the Base, Custom, S, Sport, and SR trims within that span, as well as the 1977 Pontiac Ventura in Base and SJ trim.

Features

  • Direct fit for the 1970-1977 Chevrolet Monte Carlo with a 305 5.0L, 350 5.7L, or 400 6.6L engine
  • Constructed from five layers of silicone with heat-resistant embedded fibers
  • Improves heat and pressure tolerance over the factory rubber hose
  • Includes high-quality worm-gear clamps for ease of installation
  • Available in black to maintain a clean, classic engine bay appearance
  • Backed by the Mishimoto Lifetime Warranty

Specifications

  • Brand: Mishimoto
  • Part Number: MMHOSE-GM-29U
  • Product Type: Cooling
  • Hose Material: Silicone
  • Hose Color: Black
  • Grade Type: Performance
  • Fit Type: Specific
  • Maximum Temperature Rating: 330°F
  • Clamps Included: Yes
  • Recommended clamp torque: 22 in-lbs (2.5 Nm), with an operating range of 18-27 in-lbs (2-3 Nm); do not exceed 27 in-lbs (3 Nm)
  • Purchase Includes: (1) Silicone Hose, (2) Worm-Gear Clamps, Mishimoto Lifetime Warranty

Frequently Asked Questions

What vehicles does the Mishimoto MMHOSE-GM-29U silicone hose fit?

It is a direct fit for the 1970-1977 Chevrolet Monte Carlo (Base, Landau, and S trims), the 1977-1979 Buick Skylark (Base, Custom, S, Sport, and SR trims), and the 1977 Pontiac Ventura (Base and SJ trims).

What engine does this hose fit on the Monte Carlo?

It is a direct fit for the 1970-1977 Chevrolet Monte Carlo equipped with a 305 5.0L, 350 5.7L, or 400 6.6L engine.

What is included in the box?

The purchase includes one silicone hose, two worm-gear clamps, and the Mishimoto Lifetime Warranty.

What material is the hose made from?

The hose is constructed from five layers of silicone with heat-resistant embedded fibers.

What is the maximum temperature rating of this hose?

The hose has a maximum temperature rating of 330°F.

What torque should the included clamps be tightened to?

A torque of 22 in-lbs (2.5 Nm) is recommended for the worm-gear clamps, with an operating range of 18-27 in-lbs (2-3 Nm); do not exceed the maximum rating of 27 in-lbs (3 Nm).

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.