Trail-Safe Front Inner Axle Seals – Toyota LandCruiser 75, 76, 78, 79, 80, 105 Series | Heavy-Duty Pair (303751-KIT)

Front Inner Axle – Excellent Heavy-Duty Trail-Safe Seal Kit

Keep your LandCruiser leak-free and reliable with the Trail-Safe Front Inner Axle Seals, designed for long-lasting performance across a wide range of Toyota 4×4 models. Engineered to outperform standard factory seals, these heavy-duty replacements feature an advanced double-lip design that delivers superior oil retention and debris protection in all driving conditions.

If you’re tired of diff oil entering your swivel hubs or washing the grease out of your CVs, this front inner axle seal kit is the solution. Designed to suit Toyota LandCruiser 75, 76, 78, 79, 80, and 105 Series, these seals help maintain proper lubrication, prevent leaks, and extend the life of your front axle components.

Enhanced Sealing Technology

Each Trail-Safe Front Inner Axle Seal uses a garter spring that applies consistent pressure around the full 360° sealing surface, preventing oil bypass or deflection under load. The inner lip retains oil within the differential housing, while the outer lip serves as a secondary barrier, blocking dirt, dust, and water from entering.

The seal’s fully rubber-coated outer surface creates a complete static seal against the housing for zero leaks, and the built-in flange prevents over-insertion during installation. This combination makes Trail-Safe one of the most effective and durable seal designs available.

Durable Construction and Installation Tips

These seals are made from premium rubber compounds designed to resist heat, friction, and chemical exposure. Their rubberised outer coating offers improved sealing ability, but care must be taken to install them on clean, grease-free surfaces.

Installation tips:

• Clean all mating surfaces thoroughly using brake cleaner or equivalent

• Avoid handling the outer surface with greasy fingers

• Drive the seal just past flush for proper fitment

• Lightly grease the sealing lip and axle shaft before installation

• Support the axle during reassembly to prevent damage to the new seal

Following these steps ensures optimal performance and prevents the seal from backing out during use.

Fitment Information

• Vehicle Compatibility:
  Toyota LandCruiser 75, 76, 78, 79, 80, and 105 Series models
  Compatible with a wide range of engine variants, including:
  1HZ, 1HD-T, 1HD-FT, 1HD-FTE, 1FZ-FE, 1VD-FTV, 3F, 22R, 2L-T, 1PZ, and more

• Replaces OEM Part Number: 90310-35005J

• Supplied As: Pair (2 seals)

• Brand: Trail-Safe™ aftermarket component

When to Replace Your Front Inner Axle Seals

These seals are a common wear item on LandCruisers, often failing due to age, debris, or axle movement. Typical signs of failure include:

• Oil leaking from the back of the swivel hub

• Differential oil contamination of CV grease

• Premature CV or bearing wear

If you’ve recently replaced your CVs or axles, new seals are strongly recommended, as old ones often become damaged during disassembly. Carrying spare seals is also advisable when carrying spare axles or CVs — they’re small, affordable, and can save your trip if a seal fails.

Why Choose Hassard Industries

At Hassard Industries, we stock premium parts for Toyota 4x4s, with a focus on genuine and workshop-grade aftermarket components. Every part we supply is tested for quality, fitment, and reliability.

Our Bundamba-based workshop is built on real mechanical experience, ensuring the products we sell perform as promised — whether you’re maintaining your daily driver or preparing your LandCruiser for remote touring.

How to Order or Enquire

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