English
38100-05J71
for Nissan Atlas Patrol Safari
8.2kgs
| Availability: | |
|---|---|
| Quantity: | |
The 8x37 Final Drive Gear Set is a high-precision crown wheel and pinion assembly, the core component of a vehicle’s differential responsible for final drive reduction. Connected to the driveshaft, the pinion meshes with the larger crown wheel (ring gear) to transfer rotational power at a 90-degree angle to the axle shafts—its key function is to drastically reduce engine speed while multiplying torque to levels required for smooth vehicle movement.
The gear ratio of this 8x37 final drive gear set balances acceleration and top speed perfectly, making it ideal for daily use and heavy-load scenarios. Crafted from high-strength steel via precision machining, the 8x37 Final Drive Gear Set withstands immense shear forces, ensuring efficient power delivery, long-term durability, and quiet operation even under extreme loads. Designed specifically for Japanese and Korean models, this gear set offers perfect fitment and reliable performance as a direct replacement for original parts.
OEM-Grade Fitment: Manufactured to original vehicle dimensions, ensuring seamless replacement of original parts without modifications.
12-Month Quality Guarantee: Comprehensive quality warranty from the date of customer receipt, covering manufacturing defects and performance issues.
Flexible Ordering: Accepts small-batch orders (retail orders excluded) to meet diverse business needs.
Model Specialization: Focused on Japanese and Korean vehicles, including Toyota, Mazda, Isuzu, Mitsubishi, Hyundai, Kia, and more.
Customizable Packaging: Tailored packaging options available to align with your brand and logistics requirements.
The 8x37 Final Drive Gear Set (professionally known as Final Drive Gear Set) is a critical transmission component for automotive drive axles, consisting of a crown wheel (large gear) and pinion (small gear), configured as hypoid gears (most common for RWD/AWD vehicles) for optimal performance. Its main applications include:
Application Field | Core Objective | Typical Gear Type | Key Technical Features |
Family Passenger Cars | Quietness, Comfort, Efficiency | Hypoid Gears | High-precision grinding, small module, low ratio, low-noise coatings |
Performance/Sports Cars | Acceleration Response, Load Capacity | Hypoid Gears | Medium-high ratio, reinforced heat treatment, high anti-scuffing capability |
Heavy Trucks/Commercial | Extreme Load Bearing, Durability | Deep-Tooth Hypoid / Two-Stage | Large module, deep carburizing, wide face width, impact-resistant design |
Hardcore Off-Road | Impact Resistance, Modifiability | Reinforced Hypoid Gears | Special alloy steel (300M), coarse tooth design, easy ratio swapping |
Electric Vehicles | High Speed, Zero Noise | High-Precision Ground Hypoid | Ultra-high pitch line velocity adaptation, micro-geometry optimization, dielectric oil compatibility |
Core Product Specifications
Specification Category | Details |
|---|---|
Gear Type | Hypoid Gears (for RWD/AWD; offset pinion axis) standard for automotive use |
Diametral Pitch (DP) | 8 (matching 8x37 gear set; suitable for light trucks/SUVs and passenger cars) |
Number of Teeth | Pinion: 8 teeth; Crown Wheel: 37 teeth (final drive ratio optimized for balance) |
Material | SAE 8620H (20CrMnTiH equivalent) Nickel-Chromium-Molybdenum high-strength steel |
Heat Treatment | Deep carburizing; Surface Hardness: 58–64 HRC; Core Hardness: 30–45 HRC; Case Depth: 0.8–2.5 mm |
AGMA Quality Class | AGMA 12–13 (passenger car standard; precision-ground for quiet operation) |
Torque Capacity | 1,500–4,000 Nm (input torque; suitable for passenger cars and light trucks) |
Speed Rating | Max pinion speed: 6,000–8,000 RPM (ICE vehicles) |
Additional Notes
Installation: Use precise shims for pinion depth (0.10–0.25 mm backlash) and correct preload; check tooth contact pattern with marking compound. Break-in period: 500–1,000 miles (800–1,600 km) with no heavy towing.
Lubrication: Use API GL-5/MIL-PRF-2105E oil (SAE 75W-90 standard; 75W-140 for heavy loads). LSD-compatible oil requires friction modifiers; EV applications need dielectric, low-viscosity fluids.
Failure Prevention: Avoid pitting/scuffing by using correct lubrication and installation; whine/rumble often stems from misalignment or bearing issues.
Standards Compliance: Meets AGMA 2000/2001, ISO 6336, SAE J661, and OEM-specific standards (Toyota TSM, Hyundai specs, etc.).
When it comes to final drive gear sets, reliability, precision, and compatibility are non-negotiable—and our 8x37 Final Drive Gear Set delivers on all three. Unlike generic gear sets, we specialize in Japanese and Korean models, ensuring OEM-grade fitment that eliminates the hassle of modifications. Our commitment to quality is backed by a 12-month warranty, precision machining, and high-strength materials that withstand heavy loads and long-term use.
We offer flexible small-batch ordering to support your business needs, plus customizable packaging to enhance your brand identity. Whether you’re a repair shop, distributor, or parts manufacturer, our 8x37 Final Drive Gear Set provides consistent performance, quiet operation, and durability—all at a competitive price. Choose us for a hassle-free replacement solution that meets or exceeds industry standards, and trust that your customers will get a product they can rely on for years to come.
Aimiky Established in 2013, which is a professional manufacturer and exporter that is concerned with the design, development and production of auto parts. We are located in Wenzhou, with convenient transportation access. All of our products comply with international quality standards and are greatly
Aimiky Established in 2013, which is a professional manufacturer and exporter that is concerned with the design, development and production of auto parts. We are located in Wenzhou, with convenient transportation access. All of our products comply with international quality standards and are greatly
Aimiky Established in 2013, which is a professional manufacturer and exporter that is concerned with the design, development and production of auto parts. We are located in Wenzhou, with convenient transportation access. All of our products comply with international quality standards and are greatly
