RAYFUEL OEM Diesel Injection Systems | Precision Fuel Technology Hard Start? Power Loss? Excess Smoke?
OEM-grade diesel fuel system components designed for OE-level performance restoration.
OE NUMBER:20R-5036
MPN:456-3493
Fitment:For CAT 336E 336GC C9.3 C9.3B Verify OE / VIN Compatibility Message Us for Fitment Check Fully Tested OEM Calibration Fast Shipping Performance Improvements Restores Engine Power Improves Cold Start Reduces Fuel Consumption Eliminates Smoke Fitment Control System IMPORTANT: Do NOT purchase based on vehicle model alone. OE number is the ONLY compatibility standard
VIN verification strongly recommended
Incorrect selection may cause engine damage Please provide OE or VIN before purchase.
We will verify compatibility before shipping. Specifications Condition: New
Fuel Type: Diesel
System: Common Rail High Pressure
Installation Requirements Professional installation required. Before Installation:
• Confirm OE / VIN match
• Clean fuel system
• Replace fuel filter if needed During Installation:
• ECU coding may be required (IMA / QR / C2I / C3I)
• Release system pressure before removal After Installation:
• Fully bleed system
• Check idle and leakage
• Monitor initial operation Packing Information Each item is individually protected and securely packaged for safe international shipping. Package Includes:
• 1 × Diesel Fuel Component (Injector / Pump depending on order)
• Industrial-grade protective packaging
Returns & Warranty 30-day returns (unused only). Installed items are not returnable.
Incorrect OE selection may incur restocking fee. Warranty covers manufacturing defects under professional installation.
IMPORTANT NOTICE: Incorrect selection or installation may result in severe engine damage. VERIFY BEFORE INSTALLATION.