Description
4PCS Fuel Injectors 3802091 3908513 – Fits Cummins 4BT Diesel Engine | High-Performance Injector Replacement
4PCS Fuel Injector Set (3802091/3908513) – Premium Replacement for Cummins 4BT/6BT/6CT Engines
✔ Complete 4-Piece Kit – Balanced performance for all cylinders
✔ Multi-Engine Compatibility – Fits:
• 4BT 3.9L (Industrial/Agricultural)
• 6BT/6CT8.3 (Truck/Marine)
🔧 Full Part Number Coverage:
3802091 | 3802091RX | 3908513
JR908513 | 0432191794
🛒 Purchase Options:
TG Auto Parts (Certified Quality)
Aliexpress (Fast Shipping)
Alibaba (Bulk Orders)
#CumminsDiesel #MarineEngine #TruckParts
Key Features:
• 100% Flow & Pressure Tested (±2% OEM Spec)
• Hardened Steel Nozzle (7-Hole Design)
• Includes Copper Sealing Washers
• 12-Month Performance Warranty
Technical Specifications:
• Pressure Rating: 1600-1800 bar
• Thread Type: M12x1.5
• Torque Spec: 25Nm + 90°
Professional Tip: Replace as complete set for optimal engine balance
Why This Injector Set?
✅ Marine-Approved – Saltwater-resistant construction
✅ Truck-Proven – Tested in 100,000+ mile applications
✅ Cost Efficient – 50% savings vs. Cummins OEM
(Includes installation guide – compatible with mechanical & electronic fuel systems)
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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