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Lippert 138416 Straight Crimp-On Hydraulic Hose End Fitting 1/4" ID JIC 37 Flare Level Up Towable

Lippert 138416 straight crimp-on hydraulic hose end fitting with 1/4-inch ID and 1/4-inch female JIC 37-degree flare port for Level Up Towable leveling systems
Lippert Hydraulic Hose End Fitting - 1/4" ID
 
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Part Number: 138416
Manufacturer: Lippert

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Lippert 1/4" ID JIC 37-deg Flare Level Up Towable Lippert 138416 Straight Crimp-On Hydraulic Hose End Fitting -- 1/4" ID

Keep your Level Up Towable hydraulic leveling system leak-free with this factory-spec replacement hose end fitting. The Lippert 138416 is a straight crimp-on coupling machined from carbon steel for reliable, pressure-rated connections at the hose termination point. It mates directly to 1/4" ID hydraulic hose and terminates in a 1/4" female JIC 37-degree flare port -- the standard connection used throughout Level Up Towable slide-out and leveling hydraulic circuits.

The Right Fitting for Level Up Hydraulic Repairs

Hydraulic hose end fittings are wear and damage items. A cracked crimp ferrule, a stripped flare seat, or a fitting that was cut too short during a field repair means you need an exact replacement -- not a generic hardware-store substitute. The Lippert 138416 is built to the same specification as the original fittings installed at the factory on Level Up Towable systems, so the JIC 37-degree flare seats correctly against mating fittings on the pump manifold, cylinder ports, and distribution blocks without leaks or torque surprises.

This fitting is cross-referenced by multiple OEM RV manufacturers under their own part numbers, confirming it is a widely used component across dozens of fifth-wheel and travel trailer platforms. If your coach came with a Level Up Towable hydraulic system, this is the correct hose end for 1/4" ID line repairs.

Straight Crimp-On Design

Straight body style for in-line hose terminations. Crimp-on attachment creates a permanent, vibration-resistant bond to 1/4" ID hydraulic hose without barb slippage.

JIC 37-Degree Flare Port

1/4" female JIC 37-deg flare connection mates to standard JIC male fittings used throughout Level Up Towable hydraulic circuits -- pump outlets, cylinder ports, and tee blocks.

Carbon Steel Construction

Machined carbon steel body withstands the working pressures typical of RV hydraulic leveling systems and resists deformation during crimping and installation torque.

Multi-Brand Cross-Reference

Verified OEM cross-references for Forest River, Grand Design, Heartland, Keystone, and Winnebago confirm broad compatibility across Level Up Towable-equipped fifth wheels and trailers.

What Is a JIC 37-Degree Flare Fitting?

JIC (Joint Industry Council) 37-degree flare fittings are the dominant standard in mobile hydraulic and fluid-power applications, including RV leveling and slide-out systems. The 37-degree cone angle on the male end seats against the matching female flare seat to form a metal-to-metal seal that holds under pressure without relying on O-rings or thread sealants. This makes them reusable, inspectable, and reliable across a wide temperature range -- important in an under-coach environment that sees road heat, cold weather, and constant vibration.

When replacing a hose end, always confirm both the hose ID (1/4" for this fitting) and the port connection style (JIC 37-deg flare) before ordering. Mixing JIC and NPT or NPTF fittings is a common and costly mistake.

Factory-Spec Replacement -- The 138416 is the Lippert-assigned part number for this fitting. It matches the original components installed on Level Up Towable systems at the factory, so no adapters or modifications are needed at either end.

When to Replace a Hose End Fitting

  • Visible hydraulic fluid weeping or dripping at the crimp zone or flare seat
  • Flare seat shows scoring, pitting, or deformation that prevents a clean seal
  • Crimp ferrule is cracked, corroded, or physically damaged from road debris
  • Hose was cut to repair a damaged section, leaving a short end that must be re-terminated
  • Preventive replacement during a full hose set renewal on high-mileage systems
Crimping Note: Crimp-on fittings require a hydraulic hose crimping tool sized for 1/4" ID hose and the correct crimp die for this ferrule diameter. This is not a field-swageable fitting and cannot be installed with hand tools alone. If you do not have access to a crimper, a hydraulic hose shop can install this fitting to spec using the cut-to-length hose you provide.

OEM Cross-Reference Part Numbers

The following manufacturer part numbers are confirmed equivalents to Lippert 138416. If your service manual, parts list, or dealer invoice shows one of these numbers, this is the correct replacement fitting.

  • Forest River: 40E12155A
  • Grand Design: 160006
  • Heartland: 11864
  • Keystone RV: 104113
  • Winnebago: 203612-01-000
Maintenance Tip: When re-torquing or replacing JIC flare fittings, use a two-wrench method -- hold the body fitting stationary with one wrench while turning the swivel nut with the other. Over-torquing a JIC flare seat can deform the cone and cause a leak worse than the one you are fixing. Follow Lippert's torque spec for 1/4" JIC fittings in the Level Up service documentation.

Fitting Specifications

Lippert Part Number138416
UPC848150011633
Fitting StyleStraight (in-line)
Attachment MethodCrimp-on hose coupling
Hose Inside Diameter1/4 in.
Port Connection1/4 in. female JIC 37-deg flare
Body MaterialCarbon steel
Weight1 lb.

System Compatibility

Compatible SystemLippert Level Up Towable hydraulic leveling
ApplicationFifth wheels and travel trailers with Level Up Towable hydraulic slide-out and leveling circuits
Hose Line Size1/4 in. ID hydraulic hose
Port StandardJIC 37-deg flare (SAE J514)

OEM Cross-Reference Numbers

Forest River40E12155A
Grand Design160006
Heartland11864
Keystone RV104113
Winnebago203612-01-000

What Is Included

In the Box1 x Lippert 138416 straight crimp-on hose end fitting
Not IncludedCrimp ferrule (verify if sold separately or as assembly), hydraulic hose, crimping tool
Important Information
  • This fitting requires a hydraulic hose crimping tool for installation. It cannot be installed with hand tools or hose clamps. Improper installation will result in hose blow-off under pressure.
  • Confirm the hose ID is 1/4" before ordering. Hydraulic hose ID and OD vary by manufacturer and pressure rating -- measure the hose bore, not the outside diameter.
  • Do not substitute JIC 37-deg flare fittings with NPT, NPTF, or SAE 45-deg flare fittings. The seating angles are incompatible and will leak under hydraulic pressure.
  • Depressurize the hydraulic system completely before removing any hose or fitting. Residual pressure in Level Up Towable circuits can cause fluid injection injuries.
  • Carbon steel fittings are susceptible to corrosion if the protective finish is damaged. Inspect installed fittings periodically, especially in high-moisture or road-salt environments.
  • This part is a direct replacement component. Verify the part number against your coach's parts list or the Lippert Level Up service manual before installation.


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