Description
1PC Fuel Injector 0445120121 4940640 – Fits Cummins ISL & ISL9 Engines | Compatible with CM850 & CM2150 ECM | Diesel Injector Replacement
⛽ High-Precision Injector for Cummins CM850/CM2150 Systems
This OEM-quality fuel injector restores optimal performance to Cummins ISL and ISL9 engines with CM850/CM2150 ECM controls.
✅ Key Features:
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Direct Replacement for 0445120121 & 4940640
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Precision Fuel Metering – Optimized spray pattern reduces emissions
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Heavy-Duty Construction – Withstands 30,000+ PSI fuel pressure
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ECM-Compatible – Works with both CM850 and CM2150 systems
🚛 Engine Applications:
🛒 Purchase Options:
🔧 Professional Installation Tips:
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Perform injector cut-out test before replacement
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Clean injector bore thoroughly
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Use new copper washer and O-rings
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Torque to 50 Nm (37 ft-lbs)
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Perform injector calibration with diagnostic tool
🔍 Keywords:
Cummins 0445120121 injector, ISL9 fuel injector, 4940640 replacement, CM2150 diesel injector, ISL CM850 injector
Why Choose This Injector?
✔ Restores factory-rated fuel economy
✔ 12-month performance warranty
✔ Pre-tested spray pattern
✔ Reduces regeneration frequency
Need injectors for other Cummins engines? Ask about our QSL9 and ISX series injectors!
Warranty
Tianguan provides a 1-year limited warranty for new starters/alternators only. If the problem is caused by Tianguan, the seller pays all shipping costs. The warranty does not apply to improper installation, water/fire damage, modifications, or any natural disasters.
Returns
If the return is caused by the consumer (non-defective return), consumer should be responsible for the shipping fee. The specific fee should be based on the express company you choose. If the item problem is caused by Tianguan, contact us before return item, we will provide refund/exchange/or other way to solve it.No refund/exchange to provide if no notification before sending back items beforehand. If customer received damaged product, customer need to send email to linda@tgautoparts.com in 72 hours of item delivered. Customer need to send pictures/videos(use to proof related issues) in emails, Tianguan will recognize the return reason/confirm the issue. Our team will feedback to customer asap. ◉ Damaged Item Damaged merchandise includes items that are damaged during shipping. If you receive the package and then find shipping damage, please save all packaging material and paperwork and contact us immediately by mail linda@tgautoparts.come or other way you have. ◉ Technical Support We highly recommend professional installation for all of our products. We are not accepting any exchange or returns due to improper installation.
Shipping
Orders usually been shipped out within 1-2business days after payment has been cleared, Delivery in 5-7 working days .Orders made on Saturdays, Sundays, and holidays will be processed on the next business day. If there is any problem on your order, please feel free to contact our team by email(linda@tgautoparts.com) Please ensure that the shipping address you provide is accurate. We are not responsible for undeliverable addresses. Shipping address of P.O. BOX, APO, FPO or State of HI, AK, VI, PR. will not accepted.
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