4X Fuel Injector 3964919 4089468 For Cummins QSB4.5 4B3.9 ISB Engine 0432133773

4X Fuel Injector for Cummins QSB4.5 4B3.9 ISB Engine

High-performance fuel injectors for Cummins QSB4.5 and ISB engines, ensuring efficient fuel delivery and engine reliability.

• Fits Cummins QSB4.5, 4B3.9, and ISB engines
• Delivers precise fuel injection for optimal performance
• Improves engine efficiency and reduces emissions
• Aftermarket part, not an original equipment manufacturer
• Durable construction for long-lasting operation

Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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