Stop the Failure Before It Starts The factory oil cooler hose on the 2021+ Jeep Wrangler JL Rubicon 392 cracks and collapses at the bend, a well documented failure point where OEM rubber splits under the repeated heat cycling the 6.4L 392 V8 generates in trail and low speed use. The Mishimoto Silicone Oil Cooler Hose (MMHOSE-392-21OC) 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 rather than patching around it.
Key Features
Fitment
| Years | Make | Model | Application Notes |
|---|---|---|---|
| 2021-2026 | Jeep | Wrangler | Rubicon 392 |
Specifications
| Brand | Mishimoto |
|---|---|
| Manufacturer Part Number | MMHOSE-392-21OC |
| Product Type | Hoses |
| Fitment Type | Vehicle Specific |
| GTIN | 840197727287 |
| Condition | New |
What's Included
One new Mishimoto hoses identified by manufacturer part number MMHOSE-392-21OC. Hardware, adapters, hoses, clamps, fluids, wiring, tools, and companion parts are included only when expressly supplied for this exact part number.
About Mishimoto
Mishimoto develops automotive cooling, intake, oil-management, exhaust, drivetrain, and vehicle-accessory products. Fitment, dimensions, interfaces, and included components remain exact-part-number specific.
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Frequently Asked Questions
Will this Mishimoto product fit my 2021-2026 Jeep Wrangler?
That vehicle range is listed, but confirm the engine, body configuration, production date, factory interfaces, and every current Mishimoto application note for this exact part number.
What specifications should I verify before ordering?
Confirm every listed dimension, connection, thread, material, finish, quantity, mounting point, and companion-part requirement for the exact part number.
What is included with this Mishimoto product?
Only the exact product and hardware expressly supplied for this part number are included. Fluids, adapters, tools, and companion components are separate unless stated otherwise.
Installation Instructions
Follow the current Mishimoto instructions and vehicle service information for part number MMHOSE-392-21OC. Verify every interface and clearance, work on a cool and safely supported vehicle, use the specified fluids, fasteners, seals, and torque procedures, inspect for leaks or contact, and recheck the installation after the first heat cycle.
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