Zpartners R042B3 5MT Manual Transmission Gearbox for Changan Honor Star 9 4500 4G15S M80 Engine OEM Auto Parts Replacement Transmission Assembly Factory Supply
Zpartners R042B3 5MT Manual Transmission Gearbox for Changan Honor/Star 9/4500/M80 with 4G15S engine. OEM direct replacement featuring smooth shifting, stable transmission, and durable construction. 1-year warranty, 100% tested, custom packing available.
Zpartners R042B3 5MT Manual Transmission Gearbox for Changan Honor Star 9 4500 4G15S M80 Engine OEM Auto Parts Replacement Transmission Assembly Factory Supply
The Zpartners R042B3 Manual Transmission Assembly is a high-quality 5-speed gearbox designed for for Changan Honor, for Changan Star 9, for Changan 4500, and for Changan M80 equipped with the 4G15S engine. Manufactured to OEM standards, this transmission assembly delivers smooth shifting, stable torque transmission, high mechanical efficiency, and reliable durability for commercial vans and light-duty transport vehicles. The R042B3 gearbox is widely used with Changan 4G15S-powered commercial vehicle platforms.
Built with precision-machined alloy steel gears, reinforced transmission shafts, durable synchronizer assemblies, and a high-strength gearbox housing, the R042B3 provides outstanding transmission efficiency, reduced operating noise, superior wear resistance, and dependable long-term performance under demanding operating conditions.
Designed as a direct OEM replacement, the R042B3 manual transmission assembly is suitable for vehicle repair, maintenance, aftermarket replacement, wholesalers, distributors, repair workshops, and global automotive spare parts suppliers.
| Product Type | Manual Transmission Assembly / Complete Gearbox |
| Transmission Model | R042B3 |
| Transmission Type | 5-Speed Manual Transmission (5MT) |
| OEM Standard | OEM Direct Replacement |
| Engine Application | 4G15S Gasoline Engine |
| Vehicle Application | for Changan Honor / for Changan Star 9 / for Changan 4500 / for Changan M80 |
| Gear Configuration | 5 Forward Speeds + Reverse Gear |
| Drive Type | Manual Transmission |
| Material | High-strength gearbox housing, precision-machined alloy steel gears, reinforced transmission shafts, synchronizer assemblies and durable internal components. |
| Features | Smooth shifting, stable torque transmission, high transmission efficiency, precision gear engagement, low operating noise, strong wear resistance, durable construction and reliable OEM-quality performance. |
| Working Temperature | Designed for normal automotive manual transmission operating conditions. |
| Service Life | Long service life under proper installation, lubrication and regular maintenance. |
| Advantages | OEM quality, direct replacement, excellent compatibility, factory direct supply, stable performance, easy installation, suitable for global aftermarket distributors, wholesalers and repair businesses. |


Applications:
- for Changan Honor
- for Changan Star 9
- for Changan 4500
- for Changan M80
- for Changan 4G15S Engine
- R042B3 5MT Manual Transmission System
- OEM Replacement Transmission Assembly
- Commercial Vehicle Transmission Parts
Usage:
- Replace damaged or worn manual transmission assemblies.
- Restore original transmission efficiency and smooth shifting performance.
- Professional repair and maintenance for for Changan Honor, Star 9, 4500 and M80 vehicles.
- Ensure reliable power transmission for commercial vehicle operation.
- Suitable for wholesalers, distributors, repair shops and aftermarket suppliers.
Packing:
High-strength carton boxes, wooden cases, pallets, or customized packaging are available according to customer requirements.
Customer logo printing and customized packaging solutions are accepted.

Delivery:
Goods can be shipped by express, air freight, or sea freight according to order quantity and customer requirements.

Advantages:
★ High Compatibility & Accurate Fitment
Compatible with various vehicle models, ensuring precise installation and reliable performance.
★ Strict Quality Control
Each transmission part is inspected before shipment to guarantee consistent quality and durability.
★ OEM Standard Production
Manufactured according to OEM specifications with stable performance and reliable quality.
★ Durable Materials & Long Service Life
Made of high-quality materials with excellent wear resistance and heat resistance.
★ Perfect Replacement Performance
Designed as a direct replacement for original transmission components, easy installation without modification.
★ Professional Manufacturing Experience
Years of experience in automotive transmission parts production with strong supply capability.
★ Customized Service Available
OEM, ODM, packaging and logo customization are available according to customer requirements.
★ Competitive Factory Price
Direct factory supply with competitive prices and flexible order quantities.
FAQ:
Q1: Can you provide samples before placing a bulk order?
A: Yes, we can provide samples for quality checking. Sample cost and shipping fee can be discussed according to the product model.
Q2: How do you guarantee product quality?
A: We have strict quality control procedures. All products are inspected before shipment to ensure they meet customer requirements.
Q3: Are your products compatible with my vehicle model?
A: Please provide your vehicle model, year, engine information or OEM number. Our sales team will help confirm compatibility.
Q4: Can you provide OEM or customized products?
A: Yes, we support OEM, ODM, customized packaging and logo services according to customer requirements.
Q5: What is your delivery time?
A: Normally, delivery time is about 15-30 working days after payment confirmation. For urgent orders, we will try our best to arrange faster production.
Q6: What payment methods do you accept?
A: We accept T/T, Trade Assurance and other payment methods according to customer requirements.
Q7: What is your warranty policy?
A: We provide warranty according to different products, normally 12 months warranty under normal usage conditions.
Q8: What should I do if I receive defective products?
A: Please contact us immediately and provide photos or videos of the problem. We will check the issue and provide a proper solution, including replacement or compensation if necessary.
Q9: What is your minimum order quantity (MOQ)?
A: MOQ depends on different products. Please contact us for detailed information.
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