Fuel Injection Pump 4307021 4921431 3975375 for Cummins QSL8.9 ISL8.9 QSC8.3 Engine Spare Parts
Brand-new fuel injection pump for Cummins QSL8.9, ISL8.9, and QSC8.3 engines. 12-month warranty.
Product Specifications
|
Part Number
|
4307021 / 4921431 / 3975375
|
|
Product Type
|
Fuel Injection Pump
|
|
Engine Model
|
Cummins QSL8.9 / ISL8.9 / QSC8.3
|
|
Condition
|
Brand New
|
|
Quality
|
OEM equivalent standard
|
|
Place of Origin
|
China
|
|
Warranty
|
12 Months
|
|
MOQ
|
1 PC
|
|
Lead Time
|
3-5 working days
|
Product Description
The 4307021 / 4921431 / 3975375 Fuel Injection Pump is a high-pressure pump driven by the Cummins QSL8.9, ISL8.9, or QSC8.3 engine's timing gear train. It draws fuel from the supply line and pressurizes it to precisely metered levels before delivering it to each cylinder's individual injector through the high-pressure rail. Consistent injection pressure and accurate fuel delivery are essential for clean combustion, optimal power output, and compliance with emissions standards.
Why Choose Us
✅ OEM equivalent quality at competitive factory price
✅ 12-month warranty
✅ Fast shipment within 3-5 working days for stock items
✅ Strict QC inspection
✅ Custom packaging available
FAQ
Q: What does a fuel injection pump do?
A: It pressurizes fuel from the supply line and delivers precisely metered quantities to each cylinder's injector via the high-pressure rail for accurate combustion.
Q: When should I replace the fuel injection pump?
A: Replace when the engine loses power, black or white smoke appears, the injection pump makes unusual noise, or diagnosed injection timing/pressure faults point to pump failure.
Q: OEM or aftermarket?
A: High-quality aftermarket, meeting OEM equivalent standards.
Q: What is the lead time?
A: 3-5 working days for in-stock orders; 7-15 working days for bulk orders.
Q: What payment methods do you accept?
A: We accept T/T (Telegraphic Transfer). Other payment methods may be available upon request for long-term cooperative buyers.
Q: Packaging options?
A: OEM, neutral, or custom packaging available.
About Guangzhou Qianchuan Machinery Parts Co., Ltd.
广州千川机械配件有限公司 — 13+ Years experience, 6500+ spare parts items, exported to over 200 countries. OEM & aftermarket parts for excavators, loaders, and forklifts. Specializing in Cat, Komatsu, Kubota, Sany, XCMG, Doosan, and more.
Contact us for wholesale pricing!
WhatsApp: +86 15360646166
Tim@partsforexcavator.com | www.partsforexcavator.com
Your message must be between 20-3,000 characters!