8N7005 Pencil Direct Injection Fuel Injector for Ca-terpillar 3400 Series

MOQ： One
Price： 20💲 Up to1 00💲
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Supply Ability	1000
Main Body Material	Quenched tempered high-carbon alloy steel
Installation Method	Direct bolt-on, zero modification required
Injector Type	Pencil Style Direct Injection Injector
Nozzle Structure	Multi-orifice fine atomization spray tip
Payment Terms	L/C,D/A,T/T,D/P,Western Union
Quality Warranty	12-month factory warranty against manufacturing defects
Delivery Time	3 to 7 days
Standard Working Pressure:	Features 280–300 bar stable operating pressure, with factory calibrated 290 bar opening pressure.
Model Number	8N7005
Brand Name	Cat
Place of Origin	guangdong

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Product Specification


Supply Ability	1000	Main Body Material	Quenched tempered high-carbon alloy steel
Installation Method	Direct bolt-on, zero modification required	Injector Type	Pencil Style Direct Injection Injector
Nozzle Structure	Multi-orifice fine atomization spray tip	Payment Terms	L/C,D/A,T/T,D/P,Western Union
Quality Warranty	12-month factory warranty against manufacturing defects	Delivery Time	3 to 7 days
Standard Working Pressure:	Features 280–300 bar stable operating pressure, with factory calibrated 290 bar opening pressure.	Model Number	8N7005
Brand Name	Cat	Place of Origin	guangdong
High Light	Pencil Direct Injection Fuel Injector ，Ca-terpillar 3400 Series Fuel Injector ，8N7005 Fuel Injector with warranty

8N7005 Cat-erpillar Direct Injection Fuel Injector

The 8N7005 fuel injector is an original direct injection assembly specially engineered for Cat-erpillar diesel engines, delivering precise fuel atomization and stable fuel delivery to support efficient combustion. Adopting mature mechanical direct injection structure, it features high sealing performance, strong pressure resistance and excellent wear resistance under long-time high-load operation.

Strictly manufactured to OEM dimensional specifications, this injector effectively controls fuel injection volume, injection timing and spray angle, reducing incomplete combustion, black smoke emission and fuel consumption. It is applicable to matched Cat-erpillar industrial engines, construction machinery and generator sets, solving issues like weak power output, rough idling, hard starting and excessive exhaust smoke caused by faulty injectors.

Made of premium alloy materials with precise internal component matching, it boasts long service life, easy installation and reliable consistency after replacement, meeting rigorous working demands of heavy-duty engineering vehicles and stationary diesel equipment in harsh workingenvironments.

Applicable equipment: Cat 980C wheel loader, D8 series bulldozer, marine propulsion engines and stationary generator units matched with 3406 powerplant.
Cross interchange part numbers: Compatible with 0R series equivalent reman injectors, interchangeable with matched 4W series pencil injectors for 3400 family engines, direct drop-in replacement without modification.

We are a professional manufacturer and exporter specializing in diesel fuel injection spare parts, covering Bo-sch, Ca-terpillar, Scania and other mainstream brands. With over 10 years of industry experience, we strictly implement full bench testing for every injector to guarantee OEM-level precision and stability. We stock a complete product range including unit injectors, nozzles and injection pumps, offering one-stop sourcing for global repair shops, fleet operators and distributors. All goods adopt shockproof anti-rust packaging and come with a 12-month quality warranty. We support flexible MOQ, fast global delivery and customized technical support, winning long-term trust from clients across Europe, Southeast Asia, the Middle East and Africa.

1. Can this injector fit my car directly?
Please send your car model, year and original OE number for accurate matching.
2. Do injectors come with calibration codes?
Yes, every injector is attached with unique calibration code.
3. What quality options do you have?
New Original, OEM Packed and Remanufactured injectors available.
4. How long is your warranty?
All injectors enjoy 12-month global warranty.
5. What’s your delivery time?
In-stock items ship within 3-7 working days worldwide.
6. Can I mix different part numbers in one order?
Yes, mixed MOQ is acceptable for all our diesel injectors.

Ca-terpillar OE Part Number	Cross Reference Numbers	Compatible Engine	Fitment Vehicles & Equipment	Rated Injection Pressure	Unit Weight	Production Year Range
4W4019	4W4018, 4W4020, 4W4021	Ca-terpillar 3406B/3406C/3408C/3412C	Heavy Duty Trucks, Construction Machinery, Generator Sets	1400 Bar	1.45 kg	1985-2000
4W7020	4W7021, 4W7022, 4W7023	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Mining Machinery, Generator Sets	1500 Bar	1.48 kg	1996-2010
4W7021	4W7020, 4W7022, 4W7024	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Generator Sets, Agricultural Machinery	1500 Bar	1.48 kg	1996-2010
4W7026	4W7025, 4W7027, 4W7028	Ca-terpillar 3406B/3406C/3408C	Construction Machinery, Generator Sets, Forestry Equipment	1400 Bar	1.45 kg	1985-2000
4W7031	4W7030, 4W7032, 4W7033	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Mining Machinery, Oilfield Equipment	1500 Bar	1.48 kg	1996-2010
4W7037	4W7036, 4W7038, 4W7039	Ca-terpillar 3406B/3406C/3408C	Construction Machinery, Agricultural Machinery, Material Handling	1400 Bar	1.45 kg	1985-2000
4W7032	4W7031, 4W7033, 4W7034	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Generator Sets, Marine Equipment	1500 Bar	1.48 kg	1996-2010
4W7038	4W7037, 4W7039, 4W7040	Ca-terpillar 3406B/3406C/3408C	Construction Machinery, Mining Machinery, Forestry Equipment	1400 Bar	1.45 kg	1985-2000
4W7045	4W7044, 4W7046, 4W7047	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Construction Equipment, Material Handling	1500 Bar	1.48 kg	1996-2010
8N7005	8N7004, 8N7006, 8N7007	Ca-terpillar 3306B/3306C/3304B	Construction Machinery, Generator Sets, Agricultural Machinery	1300 Bar	1.35 kg	1980-1995
170-5187	170-5186, 170-5188, 170-5189	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Mining Machinery, Oilfield Equipment	1500 Bar	1.48 kg	1996-2010
1007559	1007558, 1007560, 1007561	Ca-terpillar 3116/3126/3126B	Medium Duty Trucks, Construction Machinery, Generator Sets	1200 Bar	1.25 kg	1990-2005
1007562	1007561, 1007563, 1007564	Ca-terpillar 3116/3126/3126B	Medium Duty Trucks, Generator Sets, Agricultural Machinery	1200 Bar	1.25 kg	1990-2005
1291351	1291350, 1291352, 1291353	Ca-terpillar 3406B/3406C/3408C	Heavy Duty Trucks, Construction Machinery, Mining Equipment	1400 Bar	1.45 kg	1985-2000
1301804	1301803, 1301805, 1301806	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Mining Machinery, Oilfield Equipment	1500 Bar	1.48 kg	1996-2010
1301806	1301805, 1301807, 1301808	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Generator Sets, Marine Equipment	1500 Bar	1.48 kg	1996-2010
1305187	1305186, 1305188, 1305189	Ca-terpillar 3406B/3406C/3408C	Construction Machinery, Agricultural Machinery, Forestry Equipment	1400 Bar	1.45 kg	1985-2000
1705181	1705180, 1705182, 1705183	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Mining Machinery, Oilfield Equipment	1500 Bar	1.48 kg	1996-2010
1705183	1705182, 1705184, 1705185	Ca-terpillar 3406E/3408E/3412E	Heavy Duty Trucks, Generator Sets, Marine Equipment	1500 Bar	1.48 kg	1996-2010

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Guangzhou Zhuohang Auto Parts Company We are a professional diesel parts exporter based in Guangzhou, China.We offer two product lines:Brand New & RemanufacturedCore products: diesel injection pumps, fuel injectors and engine ECU controllers.Our parts are compatible with Bo-sch, Ca-terpillar, Cu... Guangzhou Zhuohang Auto Parts Company We are a professional diesel parts exporter based in Guangzhou, China.We offer two product lines:Brand New & RemanufacturedCore products: diesel injection pumps, fuel injectors and engine ECU controllers.Our parts are compatible with Bo-sch, Ca-terpillar, Cu...

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