Product Specifications
| Parameter | Details |
|---|
| Part Name | Rocker Lever |
| Part Number (OEM Reference) | 4065633 |
| Brand Compatibility | Cummins, Komatsu |
| Machine Model Fitment | Komatsu AFE48-CQ, AFE48-CU, AFE48-CX, AFE48-DB, AFE48-DC, AFE48-DF |
| Engine Fitment | Cummins K19, QSK19 CM500, QSK19G, QSK45 CM500, QSK60 CM2150 MCRS, QSK60 CM2150 K132M, QSK60 CM2150 MCRS G, QSK60 CM2150 MCRS M, QSK60 CM2250 K112, QSK60 CM2350 K116, QSK60 CM2350 K117, QSK60 CM2350 K121, QSK60 CM2350 K135, QSK60 CM2350 K136, QSK60 CM2350 K149M, QSK60 CM2350 K110, QSK60 CM500, QSK60 CM850 MCRS, QSK60G |
| Condition | New Aftermarket |
| Warranty | 12 months against manufacturing defects |
| Packaging | Individual protective packaging with foam insert and sturdy export carton |
Compatible Models
| Brand | Applicable Models |
|---|
| Komatsu | AFE48-CQ, AFE48-CU, AFE48-CX, AFE48-DB, AFE48-DC, AFE48-DF |
| Cummins | K19, QSK19 CM500, QSK19G, QSK45 CM500, QSK60 CM2150 MCRS, QSK60 CM2150 K132M, QSK60 CM2150 MCRS G, QSK60 CM2150 MCRS M, QSK60 CM2250 K112, QSK60 CM2350 K116, QSK60 CM2350 K117, QSK60 CM2350 K121, QSK60 CM2350 K135, QSK60 CM2350 K136, QSK60 CM2350 K149M, QSK60 CM2350 K110, QSK60 CM500, QSK60 CM850 MCRS, QSK60G |
Tired of Engine Downtime from Faulty Rocker Levers? Get the Right 4065633 Rocker Lever for Your Cummins QSK60 or Komatsu AFE48
One failed rocker lever stops a mining dump truck for 12–18 hours — costing $8,000–$15,000 per day in lost production. Counterfeit 4065633 rocker levers crack under high-lift cam pressure; OEM replacements take 3 weeks to arrive from the U.S. or Japan. Fleet managers across Africa and South America tell us they’ve replaced the same lever twice in six months — all due to incorrect material specs or dimensional drift.
OEM-Equivalent Quality, Ready to Ship
This 4065633 rocker lever is manufactured in ISO 9001-certified facilities with full traceability, then subjected to 100% pre-shipment functional testing on hydraulic actuation rigs simulating real QSK60 valve train loads. With 10 years’ experience supplying Cummins and Komatsu engine components globally, we stock over 10,000 engine parts in our Guangzhou warehouse — including this rocker lever — so your repair isn’t delayed by sourcing friction.
Where This Part Works
The 4065633 rocker lever operates continuously in heavy-duty mining and quarry applications: Komatsu AFE48 haul trucks working 20+ hours/day on steep, abrasive terrain, and Cummins QSK60-powered power generation sets running at constant load in remote offshore sites. Under these conditions, precise valve timing and fatigue resistance are non-negotiable — a single millimeter of wear or misalignment causes compression loss, excessive exhaust temperature, and accelerated cylinder head failure.
Engineering Details That Matter
Forged 42CrMo alloy steel ensures 32–36 HRC surface hardness and superior tensile strength (>900 MPa), critical for resisting cam lobe impact fatigue. Precision CNC-machined pivot bores maintain ±0.01 mm tolerance to prevent bushing galling during extended operation. Heat-treated contact surfaces reduce scuffing risk under high-pressure oil film breakdown. Full interchangeability with OEM dimensions guarantees no modification to existing valve train geometry. Black oxide coating provides corrosion resistance in high-humidity and salt-spray environments common in port and marine operations.
The Real Cost of Wrong Parts
A $45 counterfeit rocker lever may save $70 upfront — but leads to $2,400 in labor for premature valve train disassembly, $1,100 in replacement gaskets and seals, and $12,000+ in downtime penalties per incident. Genuine Cummins 4065633 rocker levers meet SAE J429 Grade 8.8 mechanical standards and pass ISO 6892-1 tensile testing. Our aftermarket version meets identical performance benchmarks — verified by third-party lab reports available upon request. Total cost of ownership drops 37% over 24 months when factoring reliability, warranty coverage, and reduced maintenance frequency.
Why Customers Trust XUNPO
We partner exclusively with ISO 9001-certified factories and conduct incoming material inspection on every batch. Every 4065633 rocker lever undergoes functional testing before shipment to guarantee OEM-equivalent lift profile and durability. We offer a full 12-month warranty covering manufacturing defects — no questions asked. With 10 years exporting to 120+ countries, our clients include major mining contractors in Chile, fleet operators in Nigeria, and OEM-tier suppliers in Germany. Our 20+ person technical team verifies part compatibility within 2 hours of inquiry. Over 10,000 SKUs — including this Cummins QSK60 rocker lever — are held in ready-to-ship stock at our Guangzhou warehouse.
Packaging & Shipping
- Each rocker lever is individually wrapped in anti-rust VCI paper, secured in molded EPE foam, and packed in a reinforced double-wall export carton.
- In-stock items ship within 2–5 working days after payment confirmation.
- Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — selected based on your urgency and destination.
- All shipments include real-time tracking ID and proactive delivery updates.
- Minimum order quantity is 1 piece — supporting urgent field repairs and diagnostic validation.
Get Your 4065633 Rocker Lever Now
Your QSK60 engine won’t wait — and neither should your parts order. Send us your machine model, current part number, and required quantity. We’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk purchase. Every hour your equipment sits idle costs money — act now to resume operations.
Frequently Asked Questions
Q: Is this a genuine Cummins 4065633 rocker lever or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket rocker lever, produced in ISO 9001-certified factories to match original Cummins specifications for material, hardness, dimensions, and performance.
Q: How do I confirm if this 4065633 rocker lever fits my specific engine or machine?
A: Provide your exact engine serial number, machine model (e.g., Komatsu AFE48-DC), and current part number — our technical team will verify compatibility and reply within 2 hours.
Q: What is the warranty period for this rocker lever?
A: 12 months from date of shipment, covering manufacturing defects. If failure occurs under normal operating conditions, we replace the part at no cost.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. We support urgent maintenance needs with single-piece orders.
Q: How soon can I receive the part after ordering?
A: In-stock items ship within 2–5 working days. Express shipping options deliver to North America/Europe in 3–6 days, Southeast Asia in 2–4 days.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for physical testing and fitment validation.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
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