① Product Features
The Caterpillar 291-5911 fuel injector is engineered for precision fuel delivery, ensuring smooth engine operation and efficient combustion. Its robust build allows it to withstand the high-pressure environment of Caterpillar fuel systems. Each unit is manufactured to exact specifications, guaranteeing a perfect fit and long service life.
② Product Advantages
Precision Delivery – Provides accurate fuel injection for stable performance.
Enhanced Efficiency – Supports optimal combustion, reducing fuel waste.
Durability – Built with quality materials to resist wear and harsh conditions.
Seamless Fit – Genuine Caterpillar component designed for direct replacement.
Cost Savings – Reduces the need for frequent repairs and unplanned downtime.
③ Product Functions
The main roles of the 291-5911 fuel injector include:
Supplying Fuel – Delivers fuel at the right pressure into the combustion chamber.
Improving Engine Output – Supports consistent power generation in heavy-duty applications.
Reducing Emissions – Maintains cleaner combustion for environmental compliance.
Protecting Engine Life – Prevents irregular fuel delivery that could damage components.
④ Installation & Usage Guidance
Verify compatibility with your engine model before installation.
Shut down the engine and ensure all safety procedures are followed.
Remove the worn injector carefully without damaging surrounding components.
Install the 291-5911 injector securely, ensuring proper alignment.
Inspect connections for leaks and test the engine to confirm smooth operation.
For best results, professional installation is recommended to guarantee optimal performance.
⑤ Company Advantages
Ningbo Qiuning Co., Ltd. offers global customers a reliable source for Caterpillar spare parts. Our advantages include:
Extensive Inventory – A wide range of Caterpillar engine and machinery parts.
Competitive Prices – Genuine products offered at fair market value.
Fast Global Shipping – Secure delivery to international destinations.
Customer Service – Professional support for order tracking and technical inquiries.
Industry Expertise – Trusted supplier with years of experience in heavy equipment parts.
⑥ Contact Information
For inquiries, quotations, and orders, please contact us:
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WeChat/WhatsApp: +8615888032469
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Email: allen@perkins-rx.com
⑦ Why Choose Genuine Caterpillar Fuel Injectors
Reliability – Manufactured to Caterpillar’s strict standards for accuracy.
Performance – Maintains engine efficiency and smooth operation.
Longevity – Designed to last longer than aftermarket alternatives.
Lower Maintenance Costs – Reduces unexpected breakdowns and replacement frequency.
Peace of Mind – Ensures compatibility and consistent results.
⑧ Ordering Process
Reach out with your part requirements by email, WeChat, or WhatsApp.
Confirm availability and receive a quotation.
Choose secure payment and delivery options.
Receive your genuine Caterpillar parts quickly and safely.
⑨ Industry Applications
The Caterpillar 291-5911 fuel injector is widely used in:
Construction Equipment – Excavators, loaders, bulldozers.
Mining Machinery – Engines operating under heavy workloads.
Industrial Power Systems – Generator sets and large stationary engines.
Agricultural Equipment – Tractors and heavy-duty farm machinery.
Engine
CATERPILLAR excavators Excavator series: 312D, 313D, 315D, 318D, 320C, 320CL, 320D, 320DL, 323D, 323DL, 324D 326D, 325C, 325D, 329D, 329DL, 330D, 330C, 330CL, 330DL, 336D, 336DL, 345C, 345CL, 345D, 345DL, 349D, 349DL, 365C, 365CL, 374D, 374DL, 385C, 3 85CL, 390D, 390DL, 305.5, 306, 307, 307C, 307D, 308, 308C, 308D, 305.5E, 306E, 307E, 308E, 305.5E2, 306E2, 307E2, 308E2, 313D2, 318D2, 320D2 323D2, 326D2, 329D2, 330D2, 336D2, 349D2, 374F, 390F.
Caterpillar engine Series: 4M40, C4.2, C6.4, C6.6, C7, C-9, C13, C15, C18, C10, C11, C12, C16, C-16, C-15, C27, C32, C175; 3066, 3056, 3054, 3116, 3126, 3204, 3304, 3306, 3406, 3408, 3412, 3456, 3504, 3508, 3512, 3516, 3606, 3608, 3612, 3616.
Carter engine model C-9, C-10, C-11, C-12, C-13, C-15, C-16, C-18, C0.5, C0.7, C1.1, C1.5, C1.6, C2.2, C3.3, C3.4, C4.4, C6.4, C6.6, C7, C9, C11, C12 C13, C15, C18, C27, C32, C175, C280
Main models D315, D318, D326, D330, D330, D333, D334, D336, D339, D340, D342, D343, D346, D348, D349, D353, D364, D375, D379, D397, D398, D399 1140,1145 1150,1160,1670,1673,1674,1676,1693, 3003,3011,3013,3014,3024,3034,3044,3054,3056,3064,3066, 3114,3116,3126,3145,3150,3160 3176,3181,3196 3204,3208, 3304,3306 3406,3408,3412,3456 3508,3512,3516,3524.
Caterpillar self-propelled motor graders 14M, 16M, 24M, 160K, 140K
Caterpillar iron plates AS2302C, AS2252C, AP555E, AP1055E, AP300
Caterpillar milling machine PM200-2.0m,PM102-Track, PM200-2.2m,PM102-Wheel Caterpillar stabilized soil mixer
Caterpillar stabilized soil mixer RM500,RM300
Caterpillar Off-road and mining dump trucks 770G 772G 773G 785G 777G
Caterpillar mining trucks 785D, 789C, 793F, 795FAC, 797F
Caterpillar compilers CP44, CP54, 836H, 826H, CB24
Engine parts
Pump bearing 1B3867, Caterpillar C15 engine 1B3867
Caterpillar C15 engine seal ring 11788011178801
Caterpillar C15 engine hood assembly 7E65087E6508
Engine gasket 9Y6089/ Caterpillar C15 Engine 9Y6089
Transmission seal 5P5846/ Caterpillar C15 engine 5P5846
O-ring 5P8068/ Caterpillar C15 engine 5P8068
Gasket 280795/ Caterpillar C15 engine 2S0795
Lip fuel injector 389643/ Caterpillar C15 engine 3S9643
Transmission seal 8C3089/// Caterpillar C15 engine 8C3089
Caterpillar C15 engine transmission Seal 8T43518J4351
Caterpillar C15 Engine CAT diesel Engine Oil /15W-40 18L3E99003E9900
Transmission seal ring 2147568/ Caterpillar C15 engine 2147568
Engine O-ring 2385080/ Caterpillar C15 engine 2385080
Engine sealing ring 2385081// Caterpillar C15 Engine 2385081
Caterpillar C15 engine seal ring 21475662147566
Type 0 sealing ring 9X7317/ Caterpillar C15 engine 9X7317
Type 0 sealing ring 1075769/ Caterpillar C15 Engine 1075769
Turbocharger pad 184295/ Caterpillar C15 engine 1S4295
Engine sealing ring 1135304/ Caterpillar C15 engine 1135304
O-ring 8C5230/ Caterpillar C15 engine 8C5230
Transmission seal 9H0846// Caterpillar C15 Engine 9H0846
Caterpillar C15 engine O-ring 22849472284947
Transmission gasket 1U88461U8846
Caterpillar Ring Fixed 1W-7020
Caterpillar guard ring 2W-4032
Caterpillar turbocharger cooling water pipe 4W-7322
Caterpillar Bolt OS-1594
Caterpillar Gasket 3V-3308
Caterpillar Bolt OS-1595
Caterpillar Gasket 5P-8245
