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Mishimoto 2021+ Jeep JL Rubicon 392 Silicone Oil Cooler Hose - Direct Fit Replacement

Mishimoto 2021+ Jeep JL Rubicon 392 Silicone Oil Cooler Hose - Direct Fit Replacement

Mishimoto -

Regular price $89.95 USD
Regular price $99.00 USD Sale price $89.95 USD
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The factory oil cooler hose on the 2021+ Jeep Wrangler JL Rubicon 392 cracks and collapses at the bend - the OEM rubber cracks and fails under the repeated heat cycling the 392 V8 generates in trail and low-speed use, splitting at the point of greatest flex. The Mishimoto Silicone Oil Cooler Hose replaces the factory hose with a single continuous silicone piece engineered to hold its shape through the bend, eliminating the failure mode at its source.----The bore follows a smooth internal taper through the full length of the hose, eliminating the pressure pockets and flow restriction the plastic joiner creates at the step change. Embedded fiber reinforcement throughout the silicone wall resists expansion and collapse under sustained pressure - where factory rubber softens and distorts over time, the silicone construction holds its shape and seal. Worm-gear clamps are included for a secure, field-serviceable connection at each end.----Direct fit for the 2021+ Jeep Wrangler JL Rubicon 392. No drilling, cutting, or modification required. Backed by the Mishimoto Lifetime Warranty. Complete Engine Oil Cooler Hose Assembly designed to replace the factory hose with a single continuous silicone piece engineered to hold its shape through the bend, eliminating the failure mode at its source.
  • One-piece silicone outlasts the factory hose - the OEM rubber hose cracks and fails at the bend under repeated heat cycling; the Mishimoto replacement is a single continuous silicone piece that holds its shape, with no weak point to split.
  • Smooth internal taper prevents pressure pockets - the bore transitions without a step or ridge, so coolant flows without restriction or turbulence at the junction where the plastic joiner previously interrupted flow.
  • Reinforced fiber construction outlasts OEM rubber - embedded fiber reinforcement resists expansion, collapse, and abrasion under sustained system pressure, where factory rubber softens and degrades over time.
  • Drops in without modification — confirmed direct fit for the 2021+ Jeep Wrangler JL Rubicon 392, no cutting, fabricating, or adapter work required.
  • Own it for life - backed by Mishimoto’s Lifetime Warranty, your investment is protected long after install day.

The Mishimoto silicone oil cooler hose is specifically designed for the 2021 and newer Jeep Wrangler JL Rubicon 392 models, offering a reliable upgrade over the factory rubber hose. This high-quality replacement features a single, continuous silicone construction that maintains its shape through bends and flexing, effectively preventing common failure points caused by heat cycling and repeated trail use. The durable silicone material is embedded with fiber reinforcement, resisting expansion, collapse, and abrasion under sustained pressure, ensuring consistent performance over the lifespan of the vehicle.
The smooth internal taper of the bore eliminates pressure pockets and turbulence, providing unrestricted coolant flow and reducing the risk of flow restrictions associated with factory plastic joiners. This design not only enhances cooling efficiency but also promotes a more reliable operation of the engine's oil cooling system.
Installation is straightforward, as the hose is a direct fit for the specified Jeep Wrangler models, requiring no drilling, cutting, or modifications. Each hose is equipped with worm-gear clamps for secure, field-serviceable connections, making maintenance simple and hassle-free. Backed by Mishimoto's lifetime warranty, this hose offers peace of mind and long-term durability.
Whether you're upgrading for increased reliability or replacing a worn-out component, the Mishimoto silicone oil cooler hose provides a robust, high-performance solution that keeps your Jeep running smoothly on and off the trail.

Features:

  • One-piece silicone construction resists cracking and failure at bends caused by heat cycling
  • Smooth internal taper prevents pressure pockets and turbulence for optimal coolant flow
  • Embedded fiber reinforcement resists expansion, collapse, and abrasion under system pressure
  • Direct fit for 2021+ Jeep Wrangler JL Rubicon 392 with no modifications required
  • Includes worm-gear clamps for secure, field-serviceable connections
  • Backed by Mishimoto's lifetime warranty for long-term reliability

Fitments:
2021 Jeep Wrangler Unlimited Rubicon 392
2022 Jeep Wrangler Unlimited Rubicon 392
2023 Jeep Wrangler Unlimited Rubicon 392
2024 Jeep Wrangler Rubicon 392 Final Edition
2024 Jeep Wrangler Unlimited Rubicon 392
2025 Jeep Wrangler Rubicon 392 Final Edition
2026 Jeep Wrangler Moab 392
Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Units Per Sku: 1
Regular Stock: t

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