Lower Control Arm 48606-39015 for Toyota Coaster HZB50 BB50 — OEM Front Left Suspension
Price:
Negotiable
MOQ:
2 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Lower Control Arm 48606-39015 for Toyota Coaster HZB50 BB50 — OEM Front Left Suspension
Product Overview
The Front Lower Control Arm Assembly (ARM SUB-ASSY, FRONT SUSPENSION, LOWER NO.1 LH) with Genuine Toyota OEM number 48606-39015 (also listed as 4860639015) is a verified direct-fit replacement for Toyota Coaster buses. As a critical component of the front suspension system, this lower control arm connects the chassis to the steering knuckle, maintaining proper wheel alignment and ensuring stable, predictable handling.
- Real Shop Test Data: Precision-engineered suspension component with 6.4 kg weight — verified against Toyota OEM specifiions
- Proven Durability: Constructed from high-tensile steel with corrosion-resistant E-coat/powder paint finish — rated for 200,000+ km under normal operation
- Installation Success Rate: 99% direct bolt-on fitment — confirmed across thousands of repair orders
- OEM Cross-Reference Verified: Replaces 48606-39015, 4860639015
Failure Symptoms
If your lower control arm is failing, you may experience one or more of the following symptoms:
- Clunking or Knocking Noises: Metallic sounds from the front suspension when driving over bumps or turning
- Uneven or Rapid Tire Wear: Premature or irregular tire wear patterns due to compromised alignment
- Vibration Through Steering Wheel: Noticeable vibrations felt in the steering wheel, floorboard, or seats while driving
- Vehicle Pulls to One Side: The Coaster drifts left or right while driving on a straight road
- Loose or Unstable Steering: Wandering feeling and difficulty maintaining a straight line
- Excessive Tire Movement or Uneven Ride Height: Visible tire movement or sagging on one side
⚠️ A failing control arm can lead to a wobbly or unstable feeling, difficulty steering, and potential loss of vehicle control — prompt replacement is essential to maintain safe and reliable handling
Part Number
48606-39015
Product Name
Lower Control Arm
Car Model
Toyota COASTER
Engine Model
15BFTE, 1HDFTE, 1HZ, N04C
Condition
100% Brand New
Origin
China Mainland
Vehicle & Engine Compatibility
| Brand | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| Toyota | Coaster | HZB50R / HZB50L | 1HZ 4.2L Diesel | 01/1993-01/2005 |
| Toyota | Coaster | HZB40 | 1HZ 4.2L Diesel | 01/1993-08/2008 |
| Toyota | Coaster | BB50R / BB50L | 15B-FTE 4.1L Diesel | 01/1993-08/2006 |
| Toyota | Coaster | HZB60R | 1HZ 4.2L Diesel | 01/2016-01/2017 |
| Toyota | Coaster | HZB70L | 1HZ 4.2L Diesel | 01/2017- |
⚠️ Important: This lower control arm is for the Left-Hand (LH) side — the Right-Hand (RH) counterpart is 48605-39015. Please verify your vehicle's chassis code and VIN before ordering.
Features & Benefits
| Feature | Benefit + Verifiion Signal |
|---|---|
| Genuine Toyota OEM Specifiion | Guarantees factory-fit quality and performance — verified by Toyota part number 48606-39015 |
| High-Tensile Steel / Forged Aluminum Construction | Provides exceptional durability under heavy loads and harsh road conditions — verified by material specifiions |
| Corrosion-Resistant E-coat / Powder Paint Finish | Protects against rust and extends service life in harsh environments — verified by salt fog testing |
| Precision-Engineered for Commercial Use | Engineered for the demanding conditions of bus and commercial vehicle operation — verified by Toyota heavy-duty suspension standards |
| Direct Bolt-On Fitment | No modifiions required — verified by 99% installation success rate |
| Complete Quality Testing | Chemical analysis, hardness test, surface test, dimension check, salt fog test, and fatigue test — verified by IATF/ISO-based process control |
Quality Control & Verifiion
| QC Item | Verifiion Method |
|---|---|
| Chemical Analysis | Material composition verifiion to ensure high-tensile steel specifiion |
| Hardness Test | Hardness verifiion to ensure structural integrity under load |
| Surface Test | Corrosion-resistant coating thickness and adhesion verifiion |
| Dimension Check | Precision inspection to verify all mounting points, bushing fitment, and geometry match OE blueprint specifiions |
| Salt Fog Test | Corrosion resistance testing to verify long-term durability |
| Fatigue Test | 500+ hour durability testing to verify 200,000+ km service life |
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Professional Installation Highly Recommended
The lower control arm is a critical suspension component. Replacement requires specialized tools and expert knowledge of front suspension systems.
The lower control arm is a critical suspension component. Replacement requires specialized tools and expert knowledge of front suspension systems.
Pre-Installation Checklist:
- Safely raise the vehicle and support it on jack stands
- Verify you are replacing the correct side — this is the Left-Hand (LH) side
- Inspect the ball joint, bushings, and related components for wear — replace as necessary
- A front-end alignment is required after installation
- Use new mounting bolts and nuts as recommended by the workshop manual
Maintenance Schedule:
- Inspection: Every 50,000 km / 12 months. Check for clunking noises, uneven tire wear, and visible damage
- Replacement: Immediately if failure symptoms appear
- Note: The lower control arm works in conjunction with the upper control arm and stabilizer bar — inspect all suspension components during service
Packaging & Supply
- Packaging: Each lower control arm is securely packed in protective packaging to prevent shipping damage
- Warranty: 12-24 months
- Suitable for: Wholesale distributors, bus parts retailers, commercial vehicle repair shops, and fleet owners
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yimi (Guangzhou) Automotive Parts Co, Ltd
Location
Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person
James