CN3-6A273-AK Exhaust Camshaft for JMC Vigus 4D30 Engine
The CN3-6A273-AK Exhaust Camshaft is engineered for the JMC Vigus 2.5 diesel platform equipped with the 4D30 series engine. This shaft controls exhaust valve timing accuracy across the full rev range, directly affecting turbo response, exhaust gas evacuation, and long-term valve train stability.
In workshop conditions, worn exhaust cam lobes often present as reduced pulling power at mid-range rpm, unstable idle when hot, or increased exhaust temperature. Replacing with a precisely machined CN3-6A273-AK Exhaust Camshaft JMC 2.5 Diesel Engine specification restores correct valve lift curve and synchronisation with the crankshaft and injection timing.
For engine rebuilders and trade buyers, dimensional consistency between batches is critical. This unit follows OE journal diameter tolerance and lobe indexing geometry, ensuring compatibility with factory rocker arms, hydraulic lash adjusters and timing components used in the 4D30 series.
Technical Specifications of 4D30 Exhaust Camshaft CN3-6A273-AK
| Specification | Details |
|---|---|
| Product Name | CN3-6A273-AK Exhaust Camshaft |
| OE Part Numbers | CN3-6A273-AK |
| Engine Platform | JMC 4D30 Series |
| Engine Displacement | 2.5L Diesel |
| Camshaft Type | Exhaust Camshaft |
| Warranty | 12 months or 12,000 miles from the date of Ex-factory |
| Packing | Neutral Packing or Customer Required |
| MOQ | 5 pcs |
| Packing Quantity | 5 pcs per box |
| Place for Origin | Ningbo City of China |
| Brand | Wellgine |
The 4D30 Exhaust Camshaft operates within a single overhead cam diesel configuration where exhaust valve timing must remain synchronised with crankshaft rotation to maintain combustion stability and turbo efficiency.
Aftermarket Exhaust Camshaft 4D30 – Manufacturing and Quality Control
Sourcing an Aftermarket Exhaust Camshaft 4D30 requires a balance between cost-efficiency and mechanical reliability. We operate as a direct-to-market manufacturer based in China, eliminating middleman markups while maintaining strict quality oversight.
- OEM Grade Consistency: Our production lines utilize CNC grinding technology to replicate the original lobe profiles of the CN3-6A273-AK Exhaust Camshaft JMC 2.5 Diesel Engine, ensuring your engine’s volumetric efficiency remains unchanged.
- Material Integrity: We focus on the surface hardness of the cam lobes. By using advanced heat treatment, we reduce the friction coefficient, which prevents premature wear even under the high-pressure conditions of diesel fuel injection cycles.
- Direct Factory Support: As we do not hold local stock in Europe or the Americas, we ship directly from our plant. This allows us to provide more competitive pricing for bulk orders from distributors and engine reconstruction specialists.
- Quality Control: Every batch of 4D30 Series Exhaust Camshaft CN3-6A273-AK undergoes a 100% inspection of the oil journals and thread pitches to ensure “bolt-on” installation without the need for additional machining.
FAQ
1. How to confirm CN3-6A273-AK Exhaust Camshaft fits JMC Vigus 4D30 2.5 Diesel?
The CN3-6A273-AK Exhaust Camshaft is used in JMC Vigus models fitted with the 4D30 2.5 diesel engine. Before ordering, confirm the engine code stamped on the block and compare the OE number marked on the removed camshaft. This shaft is designed specifically for the exhaust side of the 4D30 series and is not interchangeable with intake camshafts.
2. Which engine uses 4D30 Exhaust Camshaft CN3-6A273-AK?
This camshaft is installed in the 4D30 series diesel engine commonly found in JMC Vigus pick-up applications. It supports the exhaust valve timing cycle in a single overhead cam configuration. It is not suitable for petrol engines or other JMC engine families.
3. Can this Aftermarket Exhaust Camshaft 4D30 be used for engine rebuilding projects?
Yes. Engine rebuilders frequently select the Aftermarket Exhaust Camshaft 4D30 when restoring 4D30 diesel platforms. Dimensional conformity to OE journal diameter and lobe indexing ensures compatibility with standard rocker arms and hydraulic components without modification.
4. Is the CN3-6A273-AK Exhaust Camshaft interchangeable with other OE numbers?
Interchangeability depends strictly on lobe profile, journal size and timing angle. Even small deviations can affect exhaust valve opening duration. Always verify the OE number CN3-6A273-AK against the original component removed from the engine before substitution.
5. How does this Exhaust Camshaft for JMC Vigus affect turbo performance?
Exhaust cam timing directly influences exhaust gas flow to the turbocharger. A worn cam lobe reduces effective valve lift, restricting exhaust gas evacuation. Replacing with the correct CN3-6A273-AK Exhaust Camshaft restores designed exhaust timing, supporting stable turbo spool characteristics.
6. Is this considered an OEM or aftermarket component?
This is an aftermarket camshaft manufactured according to OE reference specifications. It functions as an OE standard camshaft replacement for the 4D30 diesel engine.
7. Do you supply matching intake camshaft or related timing components?
Yes, intake camshafts and selected timing components for the 4D30 engine platform are available. Always confirm engine configuration before combining parts within the same rebuild project.
8. Is bulk supply available for distributors and trade buyers?
Yes. Production scheduling supports recurring orders for wholesalers, engine rebuilders and export traders. All units are shipped directly from the factory, ensuring batch consistency across repeat purchases.
9. How do you prevent rust during international sea freight?
Every Exhaust Camshaft for JMC Vigus is coated in industrial-grade anti-rust oil and VCI (Volatile Corrosion Inhibitor) packaging to ensure it arrives in pristine condition.
10. Do you offer technical support for professional installers?
Yes, we provide comprehensive technical support including installation guidance, torque specifications, timing procedures, and troubleshooting assistance. Our engineering team offers direct support to B2B partners to ensure successful installations and customer satisfaction.
11. How do I verify compatibility with specific engine codes?
Provide your vehicle’s VIN, model, year, and engine type, and we will verify compatibility free of charge to ensure you order the correct part.
12. What is your terms of delivery and payment?
EXW, FOB. Generally, 30% T/T deposit, and balance 70% T/T balance before delivery.
13. What is the ordering process and delivery time?
Please contact our sales team via the website or email for bulk pricing and quotations. Stocked items are shipped promptly, and special orders can be arranged with agreed delivery schedules.For the complete step-by-step ordering process, and our full terms, please view our Service Page.