6620-11-3011 Diesel Fuel Injector BM68974 for Komatsu PC200-5, PC220-5
The 6620-11-3011 / BM68974 Fuel Injector Nozzle Assembly is a high-precision mechanical fuel delivery component engineered specifically for Komatsu Dash-5 Series crawler excavators powered by the classic Komatsu 6D95L diesel engine.
Compatible Engine & Equipment Models
· Engine Models: Komatsu / Cummins NH220 (e.g., NH-220-CI-1, NH-220-CI-2) and NTO-6 series.
· Crawler Dozers & Loaders: D60PL-6, D60S-6, D65A-6, D65S-6, D75S-2, D80A-12, and D85A-12.
· Other Equipment: GD40HT-2 motor graders and various vintage heavy excavators running NH-series power plants.
Thank you for choosing SPARKLING MACHINERY.
The 6620-11-3011 / BM68974 mechanical fuel injector is manufactured from high-grade alloy steel, precision-ground and heat-treated to withstand relentless injection pressures and high combustion chamber temperatures. It features a micro-machined multi-hole spray tip designed to atomize diesel fuel into a fine mist, optimizing thermal efficiency and fuel economy. Replacing worn or carbon-choked injectors restores original engine responsiveness, stops heavy black exhaust smoke, and eliminates engine knocking or rough idle conditions.
The SPARKLING MACHINERY NEW Komatsu 6620-11-3011/BM68974 INJECTOR Photo:



The SPARKLING 6620-11-3011 diesel fuel injector, reference number BM68974, is a reliable replacement component for selected Komatsu PC200-5 and PC220-5 excavators. Designed for diesel engine fuel delivery, it helps inject the correct amount of fuel into the combustion chamber, supporting stable engine operation, responsive performance, and efficient fuel consumption.
Product Highlights
- Part Number: 6620-11-3011
- Reference Number: BM68974
- Application: Komatsu PC200-5, PC220-5
- Component Type: Diesel fuel injector
- Condition: New replacement part
Manufactured with carefully selected materials and controlled production processes, this injector is designed to provide dependable fuel atomization and consistent performance in demanding construction environments. It is suitable for excavator repair, preventive maintenance, fleet servicing, and replacement of worn or malfunctioning injectors.
A properly functioning fuel injector can help reduce symptoms such as difficult starting, rough idling, insufficient power, excessive smoke, and increased fuel consumption. By replacing a damaged injector in time, equipment owners can help protect engine performance and reduce unplanned downtime.
Why Choose SPARKLING?
Founded in 2013, SPARKLING MACHINERY specializes in high-quality excavator parts for leading brands including Komatsu, Caterpillar, Hitachi, and Volvo. Our product range covers engine components, hydraulic parts, undercarriage systems, electrical components, cabs, mini excavators, and accessories.
We focus on stability, precision, and perseverance, supported by strict manufacturing and quality-control procedures. Our experienced team also provides product consultation, compatibility verification, customized solutions, and continuous technical support. With competitive pricing and a global sales network, SPARKLING helps customers maintain equipment reliability while controlling operating costs.
Compatibility note: Excavator configurations may vary by serial number and engine specification. Please confirm the original injector number, machine model, and serial number before ordering.
FAQ
What are the primary warning signs that an excavator's mechanical fuel injectors are failing?
Common warning signs include an engine that misfires or runs rough under load, excessive black or grey exhaust smoke, a noticeable drop in overall digging power, increased fuel consumption, or a loud, metallic "diesel clatter" or knocking noise coming from a specific cylinder.
What is "injector tip washing," and how does it damage the engine?
Tip washing happens when an injector fails to atomize fuel, letting raw diesel spray directly onto the cylinder walls. If the internal needle valve gets stuck open or worn down, it drips or streams fuel instead of creating a mist. This excess raw diesel washes away the protective film of lubricating engine oil on the cylinder walls, leading to rapid piston ring wear, cylinder scoring, and potential engine seizure.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation



🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.




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