Keep your Cummins 4B3.9 or 6B5.9 engine running at peak performance with this precision-engineered Camshaft Gear 3946436, designed to restore timing accuracy and reduce costly downtime in Hyundai HL757-7 loaders. Crafted to OEM specifications, it ensures seamless power transmission between camshaft and crankshaft, preventing the valve timing issues that lead to rough idling or reduced fuel efficiency.
| Parameter | Details |
|---|---|
| Part Name | Camshaft Gear |
| Replacement Part Number | 3946436, J946436, K3946436 |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Brand | Applicable Models |
|---|---|
| Cummins Engine | 4B3.9, 6B5.9, G8.3, ISB, ISB CM2150, ISB CM550, QSB3.9 30 CM550, QSB4.5 30 CM550, QSB5.9 30 CM550 |
| Hyundai Loader | HL757-7, HL757TM-7 |
| Hyundai Forklift | 100D-7, 120D-7, 135D-7, 160D-7 |
Equipment downtime costs construction companies $800-$3,000 per hour. A failed camshaft gear can halt your entire operation, especially when OEM parts take 2-4 weeks to arrive and cost 30-50% more. Worse, counterfeit gears often fail within months, causing repeated breakdowns and costly repairs.
Our Camshaft Gear 3946436 solves these problems with ISO-certified manufacturing and rigorous pre-shipment testing. As a 10-year global supplier with 20+ engineering experts, we ensure this gear meets OEM specifications for Cummins 4B3.9 and 6B5.9 engines, commonly used in Hyundai HL757-7 loaders and forklifts. Unlike unreliable suppliers, our Guangzhou warehouse stocks this part for immediate shipping—no more waiting weeks for critical repairs.
This camshaft gear operates in the heart of your engine's timing system, synchronizing valve openings with piston movement. It's critical for equipment in construction sites, mining operations, and material handling yards where Hyundai loaders and Cummins-powered machinery work under heavy loads. A precision-engineered gear ensures proper fuel combustion and power delivery, preventing performance loss and engine damage.
Manufactured from high-strength alloy steel, this gear resists wear during continuous operation. The tooth profile is CNC-machined to exact tolerances, ensuring perfect meshing with the crankshaft gear and eliminating premature failure. Heat-treated surfaces enhance durability, while precise bore dimensions guarantee proper fitment without modification. These details translate to longer service life and reduced maintenance intervals compared to generic alternatives.
Choosing a cheap camshaft gear may save money upfront, but the hidden costs are substantial. A poorly made gear can slip, causing valve timing errors that lead to bent valves, damaged pistons, and complete engine failure—repairs that cost 10x the price of a quality part. Our 3946436 gear meets ISO 9001 standards, delivering OEM-equivalent performance at a fraction of the cost, ultimately lowering your total equipment ownership expenses.
We partner exclusively with ISO 9001-certified factories and conduct rigorous incoming material inspections. Every camshaft gear undergoes performance testing before shipment to ensure it meets OEM specifications. With 10 years of export experience serving 120+ countries, our technical team provides accurate part verification within 2 hours. We stand behind our products with a 3-12 month warranty, and our Guangzhou warehouse maintains stock for 2-5 day shipping on in-stock items.
Don't let equipment downtime eat into your profits. Our Camshaft Gear 3946436 is in stock and ready to ship. Send us your part number, machine model, and quantity today, and we'll provide a competitive quote within 24 hours. First-time customers can request sample testing to verify quality before placing bulk orders—because we're confident in what we supply.
Q: Is this an OEM part or aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, manufactured by ISO 9001-certified factories to match original specifications.
Q: How can I confirm this gear fits my machine?
A: Provide your engine model or machine serial number, and our technical team will verify compatibility within 2 hours.
Q: What is the warranty period for this camshaft gear?
A: We offer a 3-12 month warranty against manufacturing defects, with free replacement if issues arise.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, ideal for emergency repairs or testing.
Q: How long does shipping take?
A: In-stock items ship within 2-5 working days. Express shipping takes 3-5 days globally; air freight 7-10 days; sea freight 25-40 days.
Q: Can I get a sample before placing a bulk order?
A: Yes, first-time clients can request sample testing to verify quality and fitment.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
Fill in your details and we'll respond within 24 hours with a competitive quote.
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