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Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043

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Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043

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Brand Name : Dingguan

Model Number : 2981-00043

Certification : ISO 9001

Place of Origin : Nanjing, China

MOQ : 1

Price : $10/pieces 5-49 pieces

Payment Terms : T/T

Supply Ability : 5000/month

Delivery Time : 5-15day

Packaging Details : Carton, wooden box, custom packaging

Temperature range adaptation : Operates in the full temperature range from -40℃ to 120℃

Steel plate adaptation : Designed specifically for 10-12 leaf spring plates

fatigue life : After 500,000 alternating load tests

Department structure : Integrally forged U-shaped head

Fixing method : Matching 12-level hexagon nut

Rod body size : Rod diameter 24mm±0.2mm

carrying capacity : Static tensile load ≥ 300kN

Thread processing : Roll-formed threads

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Yutong Bus 2981-00043 Steel Plate Fixing U-bolt

  • Q1: What are the main benefits of using a cross-flow fan in a bus HVAC system?
    A1: Cross-flow fans are ideal for bus HVAC systems because they generate a wide, uniform, and gentle airflow across the entire heat exchanger . This design ensures consistent temperature distribution throughout the passenger cabin, enhances overall comfort, and operates at lower noise levels compared to some other fan types .

  • Q2: How can I be sure this fan is a compatible replacement for my Yutong bus?
    A2: This product is engineered as a direct OEM replacement part specifically for Yutong bus HVAC systems. To guarantee a perfect fit and optimal performance, please confirm that your system requires part number 8101-09626.

  • Q3: Is this cross-flow fan energy efficient?
    A3: Yes. Cross-flow fans are known for their efficient design, which can lead to energy savings . By providing uniform airflow effectively, they help the HVAC system achieve desired cooling or heating with optimized energy use , a critical factor for vehicle electrical systems.

  • Q4: How does this fan contribute to a quieter bus environment?
    A4: The cross-flow design is inherently quieter than many axial fans . It minimizes air turbulence and produces a smooth airflow, which significantly reduces operational noise . This leads to a more pleasant and less distracting environment for both passengers and drivers.

  • Q5: What about the durability and construction of this fan?
    A5: We focus on the durability of our products. This premium fan is built with robust materials to withstand the vibrations, varying temperatures, and demanding conditions of daily bus operation . This construction ensures a long service life and reduces the frequency of replacements .

  • Q6: Is the installation process straightforward?
    A6: As a direct replacement part, it is designed for a straightforward installation process. We recommend that installation is carried out by a qualified technician familiar with bus HVAC systems to ensure it is fitted correctly and functions as intended.

  • Q7: What kind of warranty supports this product?
    A7: We stand behind the quality of our products. This cross-flow fan is backed by a warranty that covers defects in workmanship and materials. Please contact the seller or check the product documentation for detailed warranty terms and conditions.


In a heavy-duty bus suspension, few components are as safety-critical as the U-bolt. It is the fundamental link that clamps the leaf spring assembly firmly to the axle, ensuring the entire weight of the vehicle is safely supported. Nanjing Dingguan Auto Parts Co., Ltd. manufactures this high-strength Leaf Spring Fixing U-Bolt, part number 2981-00043, engineered specifically for the demanding applications of Yutong buses.

A stretched, corroded, or failing U-bolt is not just a maintenance issue; it is a direct threat to vehicle stability and safety. Our replacement is the definitive solution to ensure this vital connection is never compromised.

Key Features & Benefits:

  • Unyielding Clamping Force: Crafted from high-tensile strength steel, this U-bolt is designed to provide the immense clamping force required to prevent any movement or shifting of the axle, even under the heaviest loads.
  • Perfect OEM-Standard Fitment: Engineered as a direct replacement for Yutong part 2981-00043, it guarantees a perfect fit around the axle and through the spring plate, ensuring a fast and secure installation with no modifications.
  • Precision-Rolled Threads: Our U-bolts feature clean, precision-rolled threads for a secure and even engagement with the nuts. This allows for safe and reliable achievement of correct torque specifications.
  • Built to Endure: Finished with a durable, corrosion-resistant coating, it is built to protect against road salt, moisture, and grime, ensuring a long service life and maintaining its structural integrity.

As a specialized manufacturer, Nanjing Dingguan understands there is no compromise on safety.

Product Name:

U-bolt

Part Number;

2981-00043

Quality control:

ISO 9001

Size:

M24*2;B=215;L=450

Type: bolt

Place of origin:

Nanjing, China

Materials:

40cr

Packaging:

Paper packaging/custom packaging

Minimum order quantity:

1

Application:

bus

Status:

brand new

Cargo transportation:

TNT, EMS, UPS, FedEx, DHL or according to your requirements.

OE:

2981-00043

Factory quality inspection: 100% inspection


Product details pictures

Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043


How to buy the right bus accessories


1.Please provide VIN number
2.Please provide clear photos
3.Please provide the OEM number
4.lf you are unsure, please contact us.

Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043



Nanjing Dingguan Auto Parts Co., Ltd.



-- Your reliable partner for bus spare parts.



About Us



Nanjing Dingguan Automotive Parts Co., Ltd. specializes in providing high-quality and cost-effective parts for buses and commercial vehicles. We focus on the global market, have rich experience in exporting bus and truck parts, provide services to distributors and fleet operators, and provide tailor-made solutions to meet different needs.



Warehouse and cargo display

Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043


About shipping and packaging


transportation

TNT, EMS, UPS, FedEx, DHL or as per your requirement.

packaging

Bubble wrap, cartons, wooden boxes, and pallets are used to avoid damage to goods caused by bumps.

Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043


common problem


1: Can you provide an accurate price?

Sure. You need to provide the vehicle VIN number, provide the product OEM code, or provide a clear product photo.

2: What's your minimum order quantity?

No minimum order quantity, of course, if you buy more items from our company, you can get preferential prices and discounts.

3: What's the delivery time?

Air freight orders take 5 to 8 days. Sea freight orders take 15 to 25 days.


My advantage

1:High-Quality Bus Components

Specialized in premium aftermarket bus parts including engines,transmissions, and braking systems, built for durability and performance.
2:Comprehensive spare parts solution
We offer a full range of bus accessories: filters, suspension components, electrical components, and interior accessories for all major bus brands.

3: ISO-Certified Manufacturing

Our ISO 9001/TS 16949-certified products ensure strict quality control, reliability, and compliance with international standards.ISO

4: Global Bus Part Coverage

Our products are compatible with leading bus models from Europe, Asia, and the Americas.

5;Extensive product catalog

Engine parts, HVAC systems, lighting, wheels and safety components covering city, intercity and long-distance buses.


Contact Us

Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043











Product Tags:

Yutong bus leaf spring U-bolt

      

leaf spring U-bolt 2981-00043

      

bus spare parts U-bolt

      
Quality Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043 for sale

Unyielding Foundation: The Leaf Spring U-Bolt for Yutong Buses | PN: 2981-00043 Images

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