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4Pcs Fuel Injector 4955572 4944482 4089877 for Cummins Engine B3.3
$197.99
Sale price
$197.99
Regular price
Available to Order
This Fuel Injector Set is a high-quality aftermarket replacement for Cummins vehicles, designed to restore controlled fuel delivery to the engine.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
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Product Overview
The injector meters fuel into the engine for combustion. A restricted, leaking, or electrically failed injector may contribute to rough running, misfires, smoke, difficult starting, or uneven power.
This part matches reference numbers 4PCS, 4955572, 4944482, 4089877. Compare the original part number, engine model, connector, nozzle design, seal size, and quantity before ordering.
Key Features & Performance
- Restores metered fuel delivery
- Helps correct injector-related rough running or misfire symptoms
- Designed for the listed engine and fuel system
- Supplied in the quantity stated
Fitment & Compatibility
Compatible with Cummins Engine B3.3. Model revisions and production changes may affect fitment.
Technical Specifications
- Product Type: Fuel Injector Set
- Compatible Brand: Cummins
- Part Number(s): 4PCS, 4955572, 4944482, 4089877
- Quantity: 4
Frequently Asked Questions
Q: Should all injectors be tested before replacement? A: Yes. Confirm the fault with proper diagnosis and inspect fuel pressure, wiring, seals, and the remaining injectors before installation.
Q: Is this an original OEM part? A: This is an aftermarket replacement; brand names and part numbers are used only to identify compatibility.
Compatibility may vary by model, serial number, production date, or equipment configuration. Verify fitment before purchase.