King Long, Golden Dragon, Yutong Bus Yuchai Engine Belt Tensioner G5AYA-1002450SF1
Product Description
The reliability of your fleet's Yuchai engines depends on every component working in perfect harmony. At the heart of this system is the serpentine belt, and its performance is dictated by the Automatic Belt Tensioner. Nanjing Dingguan Auto Parts Co., Ltd. manufactures this high-quality replacement, part number G5AYA-1002450SF1, engineered for King Long, Kingwin (JINLÜ), and Yutong buses.
This tensioner's job is to maintain constant, optimal pressure on the belt that drives critical accessories like the alternator, water pump, and power steering pump. A worn or failing tensioner can quickly lead to squealing belts, loss of power to these systems, and ultimately, a costly roadside breakdown.
Key Features & Benefits:
- Automatic Tension Control: Our tensioner's robust internal spring automatically compensates for belt wear and stretch, eliminating belt slippage and ensuring all engine accessories are powered efficiently.
- Broad Fleet Compatibility: Designed as a direct, bolt-on replacement for part G5AYA-1002450SF1, this component provides a versatile, single-part solution for your mixed fleet of King Long, Kingwin, and Yutong buses.
- Enhanced Durability: Features a high-quality pulley with a smooth-running, sealed bearing, engineered to withstand the extreme heat and vibrations of the engine bay for a long, dependable service life.
- Prevents Costly Downtime: Proactively replacing a worn tensioner is a small, smart investment that prevents unexpected belt failures, protecting your engine from damage and keeping your vehicles on the road.
As a specialized manufacturer, Nanjing Dingguan is your trusted partner for engine components that deliver on performance and reliability.
Contact us today to request a competitive quote.
| Product Name: | Belt tensioner pulley | Part Number; | G5AYA-1002450SF1 |
| Quality control: | ISO 9001 | Size: | customizable |
| Type: | Engine parts | Place of origin: | Nanjing, China |
| Materials: | aluminum alloy | Packaging: | Paper packaging/custom packaging |
| Minimum order quantity: | 1 | Application: | Bus Yuchai Engine |
| Status: | brand new | Cargo transportation: | TNT, EMS, UPS, FedEx, DHL or according to your requirements. |
| OE: | G5AYA-1002450SF1 | Factory quality inspection: | 100% inspection |
Product details pictures

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. |

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

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. |
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. |
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