Filler Plug

Toyota Filler Plug 778300K040 – OEM-Quality Filling Cap

Ensure leak-free sealing and precise fluid maintenance with the Toyota Filler Plug 778300K040, engineered to original equipment exactness. This robust filler plug secures the fill port on your engine or gearbox, preventing contamination and fluid loss while withstanding high temperatures and vibration.

Core Features

• Exact OEM Fitment
  CNC-machined to Toyota’s factory dimensions and thread specifications for flawless installation—no modifications or sealant tuning required.

• Durable Construction
  Crafted from corrosion-resistant alloy steel, this plug resists wear, galling, and deformation under thermal cycling and mechanical stress.

• Integrated Sealing Washer
  Includes a premium elastomer sealing washer to provide uniform compression, eliminate leaks, and simplify replacement intervals.

• Heat & Chemical Resistance
  Designed to withstand engine oil, transmission fluid, coolants, and additives at temperatures up to 150 °C without swelling or degradation.

Performance Benefits

1. Leak Prevention
   Secures critical fill points against fluid seepage, keeping your engine or transmission compartment clean and protected.

2. Optimal Maintenance
   Easy-to-access design allows quick oil or fluid top-ups, reducing service time and improving workshop efficiency.

3. Extended Component Life
   Reliable sealing and robust materials minimize the risk of contamination, safeguarding internal components and prolonging service intervals.

4. Noise & Vibration Dampening
   Tight-fit threads and integrated washer absorb minor vibrations, preventing rattles and ensuring a quiet operation.

Compatibility & Applications

Specifically designed for Toyota models requiring part number 778300K040. Ideal for engine oil, transmission, and differential fill ports. Always verify compatibility with your vehicle’s VIN or consult a certified technician before installation.