Description
The Mishimoto MMHOSE-4RUN34-96HHBK is a black silicone heater hose kit engineered specifically for the third-generation Toyota 4Runner 3.4L, replacing the aging factory rubber lines that have been in service for over two decades. Built from 4-ply silicone with heat-resistant embedded fibers, this kit gives 4Runner owners a durable, direct-fit solution for a cooling system component that’s easy to overlook until it fails on the trail or during a commute.
As the stock rubber heater hoses on these trucks age, cracking and leaking become common issues that can compromise cooling system reliability. This Mishimoto Fabrication hose kit addresses that wear point with a specific-fit design constructed to handle both heat and pressure, offering a straightforward upgrade path for anyone restoring or maintaining a 4Runner. The kit is offered in black, blue, or red, so owners can also add a bit of color to the engine bay while improving the reliability of a high-mileage cooling system. Every Mishimoto hose kit is backed by the brand’s signature Lifetime Warranty, giving added confidence to an otherwise routine maintenance upgrade.
Vehicle Applications
This heater hose kit is a specific fit for the 1996-2002 Toyota 4Runner Limited and 1996-2002 Toyota 4Runner SR5, as well as the 2001 Toyota 4Runner Base, all equipped with the 3.4L V6 engine. It is designed for vehicles without the factory rear heater system; 4Runners equipped with a factory rear heater require Mishimoto’s separate kit designed for that configuration.
Features
- Specific fit for the 1996-2002 Toyota 4Runner 3.4L without a factory rear heater system
- Constructed from high-grade 4-ply silicone with heat-resistant embedded fiber for improved heat and pressure tolerance
- Direct replacement for leaking or worn stock rubber heater hoses
- Available in black, blue, or red silicone (this kit is black)
- Rated to withstand temperatures up to 330°F
- Includes stainless-steel worm gear clamps for straightforward installation
- Backed by the Mishimoto Lifetime Warranty
Specifications
- Brand: Mishimoto
- Part Number: MMHOSE-4RUN34-96HHBK
- Product Type: Fabrication
- Hose Material: Silicone
- Hose Color: Black
- Grade Type: Performance
- Maximum Temperature Rating: 330°F
- Clamps Included: Yes
- Universal or Specific Fit: Specific
- Kit Includes: (3) Silicone Heater Hoses, (6) Stainless-Steel Worm Gear Clamps, Mishimoto Lifetime Warranty
Frequently Asked Questions
What vehicles does the Mishimoto MMHOSE-4RUN34-96HHBK heater hose kit fit?
This kit is a specific fit for the 1996-2002 Toyota 4Runner Limited, 1996-2002 Toyota 4Runner SR5, and 2001 Toyota 4Runner Base, all with the 3.4L V6 engine.
Does this kit work with a 4Runner that has a factory rear heater system?
No. This kit will not fit vehicles equipped with the factory rear heater system. For those vehicles, Mishimoto offers a separate Silicone Heater Hose Kit designed for the 1996-2002 Toyota 4Runner with a rear heater.
What is the hose material and temperature rating?
The hoses are constructed from 4-ply silicone with heat-resistant embedded fibers and are rated to withstand temperatures up to 330°F.
What is included in the kit?
The kit includes three silicone heater hoses, six stainless-steel worm gear clamps, and Mishimoto’s Lifetime Warranty.
What color options are available for this hose kit?
This hose kit is offered in black, blue, or red silicone; this specific listing is the black version.
Does this hose kit come with a warranty?
Yes, this Mishimoto Toyota 4Runner Silicone Hose Kit includes Mishimoto’s signature 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.










