Suspenix Fuel Tank Vent Valve Kit for Jeep Cherokee XJ & Wrangler YJ — 2-Pack with Grommet Seals, Direct-Fit Replacement

Suspenix 2pcs Fuel Tank Vent Valve kit is a direct-fit replacement vent/rollover valve with grommet seals made to restore proper fuel-tank vapor venting on compatible Jeep models.

This kit supplies two vent/rollover valves plus grommet seals designed specifically for older Jeep platforms so you can replace worn or leaking parts with components matched to original fitment. The assembly helps control vapor release from the tank and provides the correct connection and seal for model years listed, making it a practical service part for routine maintenance, repair or restoration projects.

Which Jeep models and part numbers does this kit fit?

This Suspenix kit covers a number of classic Jeep models. It’s intended to match factory-style vent valve function and fit the fuel tank openings on the listed vehicles so replacement is straightforward.

• Compatible with 1984–1996 Cherokee XJ
• Fits 1986–1992 Comanche MJ and 1993–1996 Grand Cherokee ZJ
• Works for 1984–1990 Wagoneer and 1987–1995 Wrangler YJ
• Replaces part numbers 5360058, J5360058, 5360059, J5360059

How does the vent/rollover valve function in the fuel system?

The vent/rollover valve allows controlled release of fuel vapors and prevents liquid fuel loss during vehicle rollover or when the tank is overfilled. It sits at the tank vent opening and closes when necessary, preserving system integrity while permitting normal vapor flow under standard conditions.

• Regulates vapor flow out of the fuel tank opening
• Seals to prevent liquid fuel escape under abnormal angles
• Works with existing fuel lines and evap plumbing on listed Jeeps
• Includes grommet seals to restore a tight tank connection

What are the key installation tips and what's in the kit?

The package contains two vent valves and two grommet seals. For a reliable install, press the rubber grommet into the tank opening first, then insert the vent valve into the grommet — this order helps ensure a correct seating and reduces installation difficulty.

• Kit includes: 2 vent/rollover valves and 2 rubber grommet seals
• Suggested install order: grommet first, then valve
• Some vehicle variants require two valves — check your model before purchase
• Basic hand tools usually sufficient; minimal disassembly of tank area may be needed

Will this kit resolve vapor leaks or check-engine codes?

Replacing a worn or cracked vent valve and its grommet can stop vapor escape at the tank and restore a proper seal, which often eliminates visible leaks and associated odor issues. However, diagnosing check-engine codes requires reading the vehicle’s diagnostics; this part addresses mechanical venting, not all evap system faults.

• Eliminates tank-opening leaks due to worn valves or grommets
• Helps reduce fuel odor around the rear of the vehicle
• Does not replace other evap components like canisters or hoses
• Use an OBD reader to confirm clearance of evap-related codes after replacement

Who is this for: The Suspenix 2pcs Fuel Tank Vent Valve kit suits DIY mechanics, classic Jeep restorers, and professional technicians working on Cherokee XJ, Comanche MJ, Grand Cherokee ZJ, Wagoneer, or Wrangler YJ models that need a direct-fit vent/rollover valve replacement. Pick this kit when you want an affordable, OEM-style part to restore tank venting and sealing without modifying original hardware.