4991280 Fuel Injector Cross Reference 4991298 Use For Cummins B5.9L 6B 6BT 6BTA 6BTAA Engine.
4991280 Fuel Injector Cross Reference 4991298 Use For Cummins B5.9L 6B 6BT 6BTA 6BTAA Engine.
Cross Reference:
Cummins 4991298OEM Part Number:
4991280Brand:
AYREST/Authorized BrandMinimun Order Quantity:
10pcsEX.W Price:
The price base on your quantity
Part No. 4991280 — Cummins Replacement Fuel Injector
The Cummins Fuel Injector part number 4991280 is a high-precision replacement component designed to meet or exceed OEM specifications. As a direct cross-reference for Cummins 4991298, this OEM Fuel Injector replacement is engineered for the B5.9L, 6B, 6BT, 6BTA, and 6BTAA engine platforms. Manufactured by China Everlasting Parts Co., Limited, this injector delivers consistent fuel atomization, optimal combustion efficiency, and extended service intervals — making it a preferred choice among Cummins Engine Parts distributors and fleet maintenance professionals worldwide.
When evaluating Fuel Injector Replacement Cost, our 4991280 injector offers exceptional value — delivering OEM-level reliability and durability at a competitive aftermarket price point. Each unit undergoes multi-stage quality testing to ensure spray pattern accuracy, sealing integrity, and flow rate consistency. With an MOQ of just 10 pieces and flexible OEM & ODM service options, we support wholesalers, retailers, and independent service shops seeking a dependable Long Life Fuel Injector solution.
From procurement to after-sales support, our team ensures every Cummins Engine Fuel Injector order is delivered on time, properly packed, and backed by responsive technical assistance.
Direct OEM Cross-Reference
Part number 4991280 is a direct replacement for Cummins 4991298, ensuring seamless compatibility without engine modifications.
Wide Engine Compatibility
Compatible with Cummins B5.9L, 6B, 6BT, 6BTA, and 6BTAA engine models — a versatile solution for various commercial and industrial applications.
Precision Machined Components
High-tolerance internal components ensure accurate fuel metering, uniform spray patterns, and reliable cold-start performance.
Lower Total Cost of Ownership: The 4991280 Cummins Fuel Injector delivers OEM-equivalent performance at a significantly reduced price versus genuine dealer parts. This directly impacts your bottom line when sourcing Cummins Engine Parts in volume.
Fast, Reliable Supply Chain: With a 7–25 day delivery window based on order quantity, we keep your inventory moving. Our manufacturing capacity supports bulk orders without compromising quality or lead times.
Flexible OEM & ODM Service: Whether you need neutral packaging or custom-branded boxes, our production line adapts to your brand requirements. As a leading OEM Fuel Injector supplier, we help you build your own product line.
Rigorous Quality Assurance: Every injector is tested for flow rate, spray pattern, and leakage before shipment. Our 12-month warranty provides additional peace of mind for your customers.
✓ Maximized Engine Uptime: The Long Life Fuel Injector design reduces the frequency of replacement cycles, keeping your customers' vehicles and equipment operational for longer periods. For fleet operators, this translates to measurable savings in maintenance downtime and labor costs.
✓ Optimized Fuel Economy: Precise fuel atomization from the 4991280 injector promotes complete combustion, which improves fuel efficiency and reduces emissions. Your customers benefit from lower operating costs per mile or per hour of engine runtime.
✓ Reduced Warranty Claims: With a defect rate below industry average and a 12-month factory warranty, you can confidently sell these Cummins Engine Fuel Injector units to your own customers without the risk of high return rates.
✓ Competitive Market Position: Offering a quality Fuel Injector Replacement at an accessible price point strengthens your product portfolio and gives you an edge over competitors who rely solely on expensive OEM channels.
| Parameter | Specification |
|---|---|
| Part Number | 4991280 |
| Cross Reference | Cummins 4991298 |
| Part Type | Fuel Injector |
| Brand | Cummins Replacement |
| Compatibility | Cummins B5.9L / 6B / 6BT / 6BTA / 6BTAA Engine |
| MOQ | 10 pcs |
| Service | OEM & ODM |
| Delivery Time | 7–25 Days (based on order quantity) |
| Packing Options | Neutral packing box / Customized packing per customer requirements |
| Warranty | 12 Months |
| Country of Origin | China |
| Certification | ISO 9001 Certified Manufacturing Facility |
The 4991280 Cummins Engine Fuel Injector is engineered specifically for the legendary Cummins B-Series engine family. These engines are widely used in:
• Dodge Ram pickup trucks (1989–2002)
• Commercial medium-duty trucks
• Agricultural tractors and harvesters
• Construction and mining equipment
• Marine propulsion systems
• Industrial generator sets
As a critical component in Cummins Engine Parts inventory, this injector supports both OE replacement and aftermarket service channels.
James Holloway — Fleet Parts Manager, Texas Diesel Supply (USA)
"We have been sourcing Cummins Fuel Injector units from China Everlasting Parts for over two years now. The 4991280 is our top-selling SKU for B-Series engine overhauls. Customers consistently give positive feedback on performance and durability. The Fuel Injector Replacement Cost is significantly better than OEM dealership pricing, which allows us to stay competitive while maintaining healthy margins."
Marcus Chen — Director, Pacific Rim Heavy Duty Parts (Australia)
"What sets this supplier apart is their consistency. We ordered 500 pieces of the 4991280 injector last quarter, and every single unit passed our incoming QC inspection. The OEM Fuel Injector quality is evident in the machining and spray testing. Delivery was on schedule, packaging was professional, and the team even customized our box labels at no extra charge. Highly recommended for any distributor of Cummins Engine Parts."
Alberto Ramirez — Owner, Ramirez Diesel Service Center (Mexico)
"As an independent repair shop, I need injectors that I can install and forget about. The 4991280 from China Everlasting Parts is truly a Long Life Fuel Injector — I have units in the field with over 100,000 miles and zero issues. My mechanics appreciate the precise fitment, and my customers appreciate the fair price. The Cummins Engine Fuel Injector quality matches what we used to buy from the dealer at nearly double the cost."
A: Our MOQ is 10 pieces per order for the 4991280 injector. For larger volume orders, we offer tiered pricing discounts and priority production scheduling. Contact our sales team for a customized quotation based on your annual demand forecast.
A: Standard delivery time is 7–25 days depending on order quantity and current production schedule. Orders under 100 pieces typically ship within 7–10 days. Larger container orders may take up to 25 days. We provide a confirmed delivery date at the time of order confirmation.
A: This is a high-quality aftermarket replacement for the Cummins 4991280 / 4991298 injector. It is not manufactured by Cummins Inc. However, it is produced in an ISO 9001 certified facility using premium materials and precision CNC machining to match OEM specifications exactly. We also offer OEM Fuel Injector private-label manufacturing services for your own brand.
A: Every 4991280 injector comes with a 12-month factory warranty against manufacturing defects. If any unit fails within the warranty period under normal operating conditions, we will provide a free replacement or full refund. Our warranty claim process is simple and responsive — typically resolved within 5 business days.
A: Yes, absolutely. We offer both neutral packing boxes and fully customized packaging with your brand logo, product code, and color scheme. Our in-house design team can work with your artwork files, and there is no additional tooling cost for standard box sizes. Custom packaging typically adds only 3–5 days to the production lead time.
A: Yes, we offer sample units for evaluation. Sample pricing includes the unit cost plus shipping. If you proceed with a bulk order, we typically credit the sample cost back to your first order invoice. Please contact us for current sample availability and shipping options to your location.
We respond to all inquiries within 12 business hours.
WhatsApp: +86 18965520297
WeChat: +86 18965520297
Email: Sales@parts-machining.com
Company: China Everlasting Parts Co., Limited — Professional High Quality Filters & Engine Parts Manufacturer
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