TD04L4 Turbocharger 436-1920 for CAT C3.3B – Direct OEM Replacement

Product Specifications

Compatible Models

Frustrated by Turbo Failure on Your CAT C3.3B Engine? Get the TD04L4 Turbocharger 436-1920 That Delivers OEM-Level Reliability

Every hour your CAT 308E2 or 242D sits idle due to turbo failure costs hundreds — sometimes thousands — in lost productivity. Counterfeit TD04L4 turbos fail within weeks, causing repeated downtime and costly rework. OEM replacements take 3+ weeks to arrive and cost up to 45% more than necessary. And sourcing correct parts across multiple CAT models — from skid steers to excavators — wastes hours cross-checking part numbers.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This TD04L4 turbocharger is engineered to match Caterpillar’s original performance specifications for the C3.3B engine. Built in ISO 9001-certified factories and tested for boost response, pressure stability, and thermal endurance before shipment, it delivers consistent airflow under continuous load — whether your 309 excavator is digging in clay or your 279D is grading at a highway site. With 10 years of global export experience and over 10,000 SKUs in stock, we supply verified replacements for real-world repair cycles — not catalog promises.

Where This Part Works

This TD04L4 replacement operates reliably in high-duty-cycle environments: quarry loading, municipal road reconstruction, port material handling, and demolition sites where exhaust gas temperatures exceed 700°C and turbine speeds reach 120,000 RPM. Correct turbo selection prevents compressor surge, maintains optimal air-fuel ratio, and avoids excessive EGT — critical for preserving engine longevity in CAT machines like the 308E2 and 242D skid steer.

Engineering Details That Matter

The TD04L4 uses forged steel turbine wheels with precision-balanced shaft assemblies to withstand thermal cycling without warping. Its ceramic-coated housing resists oxidation at sustained 850°C exhaust inlet temperatures. The journal bearing system features hardened bronze bushings with optimized oil-feed grooves to ensure stable lubrication even during rapid throttle transitions. Dimensional tolerances are held to ±0.02 mm — matching OEM specs — guaranteeing drop-in fitment without adapter modifications. All sealing surfaces undergo micro-finish grinding to prevent oil leakage into the compressor or exhaust housing.

The Real Cost of Wrong Parts

A $120 counterfeit turbo may seem economical — until it seizes after 200 operating hours, damaging the C3.3B’s intake manifold and requiring full engine disassembly. Industry data shows non-OEM-equivalent turbos increase total maintenance cost by 2.3× over 12 months due to repeat labor, collateral damage, and production delays. This TD04L4 turbocharger meets ISO 8573-1 Class 2 compressed air purity standards and complies with Caterpillar’s SAE J1995 power certification requirements — ensuring predictable performance and protecting your long-term equipment investment. Total cost of ownership starts with part integrity.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually packed in rigid cardboard box with molded EPE foam cradle and moisture-barrier sealed bag
• In-stock items ship within 2–5 working days after order confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–5 days), air freight (7–10 days), sea freight (25–35 days)
• Real-time tracking provided from warehouse dispatch to final delivery
• Minimum order quantity: 1 piece — no bulk requirement for urgent field repairs

Get Your TD04L4 Turbocharger Now

Your CAT 309 or 242D can’t wait. Send us your machine model, current turbo part number (e.g., 436-1920), and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers may request a sample for validation before placing a full order. Every day delayed is another day of revenue loss; act now to restore uptime.

Frequently Asked Questions