Cummins ISL 8.9 / L9 Fuel Injection Pump – 3973228 (2019–2022) | Remanufactured & Tested
Core Fee: $500.00
Product Description
Restore the performance, efficiency, and reliability of your Cummins engine with the Cummins ISL 8.9 / L9 Rebuilt Fuel Injection Pump – Part Number 3973228.
This high-quality fuel injection pump is professionally remanufactured, inspected, and bench-tested to meet OEM performance specifications. Engineered to deliver consistent fuel pressure and precise fuel flow, it helps maintain efficient combustion, dependable engine operation, and reliable performance under demanding heavy-duty working conditions.
Designed for select 2019–2022 Cummins ISL 8.9 / L9 engines, this replacement pump provides a cost-effective alternative to purchasing a new fuel injection pump.
Product Specifications
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Product: High-Pressure Fuel Injection Pump
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Part Number: 3973228
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Engine Manufacturer: Cummins
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Engine Models: ISL 8.9 / L9
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Model Years: 2019–2022 (verify by ESN)
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Condition: Fully Remanufactured
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Testing: Professionally Inspected & Bench-Tested
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Core Charge: $500.00
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Application: Heavy-Duty Diesel Engines
Compatible Applications
Designed for select Cummins ISL 8.9 / L9 engine applications, including:
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Cummins ISL 8.9 / L9 (2019–2022)
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Freightliner trucks equipped with compatible Cummins engines
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Kenworth medium- and heavy-duty trucks
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Peterbilt commercial trucks
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Vocational and commercial diesel vehicles
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Select industrial and heavy-duty equipment
Important: Compatibility depends on the engine serial number (ESN), fuel system configuration, and original pump part number. Verify fitment before ordering.
Why Choose Our Remanufactured Fuel Pump?
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Professionally Rebuilt: Inspected and remanufactured for dependable operation.
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Bench-Tested: Tested to verify fuel delivery and operating performance.
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Reliable Fuel Pressure: Designed to support consistent fuel injection and efficient combustion.
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Cost-Effective Replacement: An economical alternative to a new OEM pump.
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Heavy-Duty Performance: Built for demanding commercial and vocational applications.
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Quality Assurance: Carefully inspected before shipment.
Core Charge – $500.00
A $500 refundable core charge applies to this fuel injection pump.
The core charge is collected in addition to the pump purchase price. Customers may return their old fuel pump for inspection and potential core credit.
Core refunds are subject to the returned pump meeting the applicable core acceptance requirements.
Fitment Verification & Customer Support
Not sure whether this pump fits your engine?
Our team can help verify compatibility using your Cummins Engine Serial Number (ESN) and original fuel pump part number.
Call A.C.S. – Automobile Computer Solutions
Phone: (305) 456-0505
Order your Cummins ISL 8.9 / L9 Fuel Injection Pump – 3973228 today and keep your diesel equipment operating reliably.
Fitment and OEM interchange information should be confirmed against the Cummins parts catalog using the engine serial number before purchase.
