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Our synchronizer cones eliminate rough gear shifting, reduce transmission noise and extend gearbox service life by 20%-30%, making them the ideal direct replacement for original IVECO and ZF parts. Designed for commercial buyers, fleet operators and truck parts distributors, our products adhere to strict OEM dimensional standards and undergo rigorous quality testing to ensure reliable performance in demanding working conditions.
Tooth profile accuracy up to ISO 6-8 level, tooth surface roughness Ra ≤1.6μm
Tooth alignment error ≤0.02mm after heat treatment, ensuring perfect gear meshing
Eliminates gear slipping and reduces transmission failure rate significantly
Delivers smooth and responsive shifting even under heavy load conditions
Made of high-grade forged steel for exceptional toughness and impact resistance
Carburizing treatment achieves 58-62HRC surface hardness with 0.8-1.2mm infiltration depth
Shot peening introduces residual compressive stress, improving fatigue life by 20%-30%
Balances surface hardness and core toughness to prevent brittleness and core softening
Manufactured to strict OEM dimensional specifications
Direct replacement for original part number 1295304278
Fully compatible with IVECO, ZF series heavy-duty truck gearboxes
No modification required for installation, saving maintenance time and cost
Monthly production capacity: 5000PCS
3-7 days delivery for in-stock items
20-30 days lead time for custom orders (based on quantity)
Reliable supply chain to meet your continuous procurement needs
Model NO. | Cooling System |
1295304278 | Air Cooled |
Efficiency | Material |
Triple Plate Clutch | Steel |
Speeds | Torque Capacity |
7-speed | 1000 lb-ft |
Type | Warranty |
Torque Converter MT | 1year |
Payment | Shipping |
Tt L/C | by Sea |
Brand | Truck Type |
Sinoascend | Dump Truck |
Transport Package | Specification |
Standard Packaging wooden Box | OEM Standard Size |
Trademark | Origin |
SINOASCEND | Jinan Shandong, China |
HS Code | Production Capacity |
8708507990 | 5000PCS/Month |
Package Size | Package Gross Weight |
50.00cm×50.00cm×60.00cm | 3.000kg |
1316 304 010 | Two shaft first gear |
1316 304 002 | Two shaft second gear |
1356 302 103 | Input shaft |
1316 302 067 | input shaft gear |
1316 304 103 | Two-axis step gear |
1316 303 071 | Counter shaft gearing gear |
1316 303 065 | Counter shaft fourth gear |
1316 305 008 | Idler |
1356 304 035 | Two axis |
1316 304 008 | Two-shaft third-speed gear |
1316 303 005 | Countershaft third gear |
1316 303 033 | intermediate shaft |
1316 304 235 | reverse gear |
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We follow a comprehensive production process: Forging → Rough Machining → Heat Treatment → Precision Machining → Surface Treatment. Each step is strictly controlled to ensure consistent quality.
Our full-link quality inspection system includes:
Pre-production raw material testing and sample confirmation
In-process dimensional inspection at every production stage
Metallographic analysis and hardness testing per GB/T34891-2017
100% final inspection before shipment
We provide 2024 latest heat treatment inspection reports and product testing certificates to verify product quality.
We offer flexible customization services to meet your specific requirements:
Custom sizes and specifications based on customer drawings or samples
Free sample provision (freight cost borne by buyer)
Custom packaging with your brand logo
Compatible with various truck models and gearbox brands
One-stop customization for full gearbox parts including two shaft gears, input shafts and countershafts
Standard packaging: 50cm×50cm×60cm wooden box, 3kg gross weight per package
Optional high-end custom cardboard packaging (eco-friendly, brandable)
Primary shipping method: Sea freight
Urgent order support: Air freight
Accepted payment terms: T/T, L/C
Accepted currencies: USD, RMB
JINAN SINORISE IMPORT AND EXPORT CO., LTD. was established in 2011 and officially entered the truck parts export market in 2012. With over 10 years of industry experience, we have built a strong reputation for quality and reliability.
Own 2 factories with 500+ production staff
Independent R&D and production since 2019
Core brand: SINOASCEND, widely recognized in Southeast Asia and Africa
One-stop procurement for gearbox, chassis, engine and cab parts
ISO 9001:2015 certified quality management system
The OEM part number is 1295304278.
3-7 days for in-stock items and 20-30 days for custom orders, depending on quantity.
Yes, we offer free samples, but the buyer needs to bear the freight cost.
Yes, we can customize according to your drawings or samples.
Contact our professional team today to get a free customized quote for OEM steel synchronizer cones. We will respond within 24 hours and provide you with the most cost-effective solution for your truck parts procurement needs.
