<p>Get your CAT loader or excavator back online fast—no more waiting weeks for OEM cylinder heads or risking downtime with unreliable alternatives. This <strong>complete cylinder head with valves</strong> delivers OEM-equivalent performance and fit for the CAT 3044C and C3.4 engine, including critical applications like the 236B, 246C, 277C, and 287C loaders.</p> <ul> <li>Pre-assembled with valves, springs, and hardened valve seats—ready to install without machining or additional parts</li> <li>Direct replacement for genuine CAT part numbers <strong>179-1854</strong> and 233-5500, verified against factory specs</li> <li>Built to match original combustion chamber geometry and port flow—ensures proper compression ratio and emissions compliance</li> <li>In-stock in Guangzhou and ships in 2–5 working days, even for single-piece orders</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Complete Cylinder Head with Valves |
| Part Number (OEM Reference) | 179-1854, 233-5500, 1791854, 2335500, CA1791854, CA2335500 |
| Brand Compatibility | Caterpillar (CAT) |
| Machine Model Fitment | Loader models: 236B, 236B3, 242B3, 246B, 246C, 248B, 252B, 252B3, 256C, 257B3, 259B3, 262B, 262C, 262C2, 267B, 268B, 272C, 277B, 277C, 277C2, 279C2, 287B, 287C, 287C2, 289C2, 297C, 906, 906H, 907H, 908, 908H |
| Engine Fitment | CAT 3044C, C3.4, C3.4 IND |
| Condition | New Aftermarket – Complete cylinder head with valves and valve springs assembled |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Industrial-grade corrugated box with custom-cut EPE foam cushioning |
| Brand | Applicable Models |
|---|---|
| CAT | 236B, 236B3, 242B3, 246B, 246C, 248B, 252B, 252B3, 256C, 257B3, 259B3, 262B, 262C, 262C2, 267B, 268B, 272C, 277B, 277C, 277C2, 279C2, 287B, 287C, 287C2, 289C2, 297C, 906, 906H, 907H, 908, 908H |
Every hour your CAT loader sits idle costs hundreds — sometimes thousands — in lost productivity and contractual penalties. Counterfeit or improperly machined cylinder heads cause compression loss, coolant leaks, and catastrophic engine failure within weeks. OEM parts take 3–4 weeks to arrive and cost up to 45% more than necessary — delaying critical repairs while your fleet waits.
This complete cylinder head with valves is manufactured in ISO 9001-certified facilities and undergoes full functional testing before shipment — including pressure testing, valve seat concentricity verification, and surface finish inspection. Built for real-world use on CAT 3044C and C3.4 engines in loaders like the 277C and 287C, it delivers identical performance, fit, and durability as genuine components — without the OEM lead time or markup. With 10 years of global export experience and over 10,000 SKUs in stock, we solve urgent repair needs — not create them.
This CAT cylinder head operates under high thermal stress and mechanical load in demanding environments: earthmoving at construction sites, repetitive loading cycles in quarry operations, continuous duty at ports and logistics hubs, and high-vibration demolition applications. In these conditions, a single compromised valve seal or warped deck surface leads directly to power loss, overheating, and unplanned shutdowns. Correct specification isn’t optional — it’s operational continuity.
The cylinder head is precision-machined from high-strength cast aluminum alloy (A380 equivalent), meeting CAT material tensile strength and thermal expansion specifications. Valve seats are induction-hardened to 45–48 HRC to resist recession under sustained high-load operation. All sealing surfaces are ground to ≤0.05 mm flatness tolerance to prevent combustion gas leakage and coolant intrusion. Valve guides are interference-fit pressed and reamed to ±0.005 mm ID tolerance for precise stem alignment and oil control. The finished surface is coated with corrosion-inhibiting chromate conversion per MIL-DTL-5541F standards for long-term storage and field reliability.
A $200 counterfeit cylinder head may save short-term cash — but causes premature valve guide wear, head gasket blowout, and coolant contamination of engine oil. That triggers secondary failures: bearing damage, piston scoring, and turbocharger failure. Average downtime exceeds 48 hours. Labor for rework runs $1,200–$2,500. Total cost of ownership (TCO) for substandard parts is 3.2× higher than verified OEM-equivalent alternatives. This C3.4 engine cylinder head meets ISO 8573-1 Class 2 air purity standards for internal cleanliness and conforms to Caterpillar engineering drawings for 179-1854 and 233-5500 — ensuring compatibility and longevity.
We partner exclusively with ISO 9001-certified factories and inspect every incoming batch for dimensional accuracy, material certification, and surface integrity. Each cylinder head undergoes 100% pre-shipment performance validation — including hydraulic pressure test at 1.5× operating pressure and cold-start simulation. We provide 3–12 month warranty covering manufacturing defects, with no-questions-asked replacement. Our team has supported excavator and loader operators across 120+ countries since 2016. With 20+ technical specialists on staff, part verification takes under 2 hours. And because 10,000+ core SKUs sit ready in our Guangzhou warehouse, your order ships in 2–5 working days — no factory lead time required.
Your loader can’t wait — and neither should your order. Send us the part number (e.g., 179-1854), machine model (e.g., 277C), and required quantity. You’ll receive a competitive quote within 24 hours — and if this is your first order, request a sample for physical verification before bulk purchase. Every day delayed is revenue lost; every correctly matched part keeps your equipment running.
Q: Is this a genuine Caterpillar part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket cylinder head, produced in ISO 9001-certified factories to match Caterpillar’s dimensional, material, and performance specifications for part numbers 179-1854 and 233-5500.
Q: How do I confirm this fits my specific machine?
A: Provide your exact machine model (e.g., CAT 246C) and serial number prefix (if available) — our technical team verifies compatibility and responds within 2 hours.
Q: What is the warranty coverage?
A: 3–12 months against manufacturing defects. If failure occurs due to material or workmanship, we replace the part at no cost — no restocking fees or return shipping charges.
Q: What is the minimum order quantity?
A: 1 piece. We support urgent maintenance needs and small-volume workshops with no volume pressure.
Q: How fast can you ship?
A: In-stock items ship within 2–5 working days. Express courier options deliver to most destinations in 3–7 business days.
Q: Can I request a sample before placing a bulk order?
A: Yes — first-time customers may request a sample for physical evaluation and fit-check. Contact us to arrange.
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Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com
Parts available for all major excavator and heavy equipment brands
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