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The Rear Gearbox Mounting for Toyota Hilux / Pickup (RN & LN Series, 1979-1981) by VINSON INDUSTRIES is a precision-engineered, direct replacement transmission support mount designed specifically to secure the rear of the gearbox to the chassis crossmember. Constructed with heavy-gauge, corrosion-resistant steel and bonded oil-, heat-, and ozone-resistant rubber, this mount effectively absorbs drivetrain vibration and torque reactions. It maintains correct gearbox and prop-shaft alignment, minimizes noise and harshness, and protects the crossmember, U-joints, and seals from undue stress. Manufactured to OEM geometry and stiffness, this gearbox mount is ideal for classic Hilux owners seeking restoration-quality parts with reliable performance. It ensures a quiet, smooth ride by reducing NVH (noise, vibration, and harshness) levels significantly, while providing long-lasting durability under harsh under-body conditions. Easy to install with OEM hole patterns and recommended torque settings, it is crucial for vehicle safety and drivetrain longevity.
Key Features
| Features | Description |
|---|---|
| Fitment | Toyota Hilux/Pickup RN & LN Series (1979-1981) |
| OEM Part Number | 12371-31040 |
| Position | Rear gearbox/transmission mount |
| Material | Bonded rubber-to-metal isolator with corrosion-resistant steel |
| Rubber Compound | Oil-, heat-, and ozone-resistant |
| Function | Absorbs vibration and torque reaction, maintains driveline alignment |
| Noise Reduction | Reduces cabin noise, vibration, and harshness (NVH) |
| Design | OEM geometry, hole pattern, and stiffness for accurate fitment |
| Durability | Heavy gauge steel protects against corrosion and wear |
| Application | Ideal for classic Hilux restoration and maintenance |
| Attributes | Description |
|---|---|
| Compatible Models | Toyota Hilux RN & LN Series (1979-1981) |
| OEM Part Number | 12371-31040 |
| Mount Position | Rear gearbox/transmission mount |
| Material Composition | Steel with bonded rubber isolator |
| Rubber Type | Oil, heat, ozone resistant compound |
| Mount Type | Bonded rubber-to-metal isolator |
| Corrosion Protection | Corrosion-resistant coating on steel parts |
| Installation Notes | Install with correct orientation; torque to factory spec |
| Vehicle Chassis Numbers | Verify with chassis/VIN for 1979-1981 models |
| Weight | Approximately 1.5 kg (varies slightly by batch) |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Yes, this rear gearbox mounting is designed to fit Toyota Hilux RN and LN series models from 1979 to 1981. Compatibility should be verified by matching your vehicle’s chassis or VIN number.
The mount consists of a bonded rubber-to-metal isolator using oil-, heat-, and ozone-resistant rubber compound, combined with heavy-gauge steel treated with a corrosion-resistant coating.
The rubber isolator dampens drivetrain vibrations and torque reaction forces, maintaining correct alignment and reducing transfer of noise, vibration, and harshness (NVH) into the cabin.
Absolutely. This mount is manufactured to OEM specifications and is ideal for both restoration and regular use of classic Hilux RN and LN series pickups.
While not included, the mount should be installed with the gearbox securely supported; fasteners must be tightened to factory torque specs. It is also recommended to inspect related mounts and hardware during installation.
Country Of Origin: India
The Rear Gearbox Mounting for Toyota Hilux / Pickup (RN & LN Series) is a direct-replacement transmission support mount engineered to secure the rear of the gearbox to the chassis crossmember. Manufactured to OEM geometry and rubber hardness, it effectively absorbs drivetrain vibration and torque reaction, maintains correct driveline alignment, and minimizes noise and harshness—especially important for classic Hilux models.
OEM & Fitment Details
Function & Benefits
Construction & Design
When to Replace
Installation & Service Notes
Quality & Reliability
Why Choose VINSON
Choosing VINSON delivers OEM-matched fitment and durable rubber compounds—reducing vibration, preventing repeat replacements, and keeping your classic Hilux running smoothly.
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Delhi , India
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