129927-61601 Fuel Pump Rack Actuator is an aftermarket replacement fuel pump for Yanmar engines, including 3TNV88, 4TNV98 and other listed models. The fuel pump delivers fuel from the tank to the engine at the pressure and flow it needs to start easily and hold power. It is supplied by LIONKITS as aftermarket new/Remanufactured with a 6-month warranty.
129927-61601 Fuel Pump Rack Actuator Specifications
- Product Type: Fuel Pump Rack Actuator
- Part Number: 129927-61601
- Compatible Brand: Yanmar
- Machine Type: Engine
- Condition: Aftermarket new/Remanufactured
- Product Weight: 1.5kg/3.3 pounds(1 piece)
- Warranty: 6 months
- Brand: LIONKITS
- Country of Origin: China
Yanmar Engines and Machines Compatible with the 129927-61601 Fuel Pump Rack Actuator
- Yanmar Engine 3TNV88 4TNV98
Your engine or machine is not listed? Contact LIONKITS via live chat or email with your model and nameplate photo, and we will confirm compatibility.
What Does a Diesel Fuel Pump Do?
The fuel pump delivers fuel from the tank to the engine at the pressure and flow the fuel system needs. A healthy pump supports easy starting, smooth idle and steady power under load.
Signs the Fuel Pump Needs Replacing
- Hard starting or no start: the engine cranks for a long time or will not fire.
- Loss of power: sluggish acceleration or weak performance under load.
- Excess smoke or poor fuel economy: black, white or blue smoke and rising fuel use can follow fuel delivery problems.
- Rough idle or stalling: unstable running or sudden shutdown can point to a failing pump or air in the system.
- Noise or leaks: a worn pump may be noisy, and leaks around the pump or lines need attention.
These symptoms overlap with clogged filters, air in the fuel lines and injector faults, so check the filters and fuel supply first and confirm the pump is the cause.
How to Order and Install the 129927-61601 Fuel Pump Rack Actuator
- Confirm your engine model, machine model and the part number on your existing pump before ordering.
- Replace the fuel filters and use clean fuel, because contamination is a common cause of early pump wear.
- Replace worn seals and gaskets and check the fuel lines and fittings for cracks or leaks.
- Bleed the air out of the fuel system after installation using the priming pump or bleed screws; extended cranking is not a substitute for proper bleeding.
- Check fuel pressure against the engine manual after installation.
- Start the engine and check for fuel leaks and stable idle before returning the machine to work.
Shipping, Payment and Support
- Dispatch and delivery: Your package will be sent within 2-3 business days, and another 3-7 business days to arrive in your country
- Payment methods: Credit Card, PayPal, T/T, Western Union
- Order tracking: A tracking number with a tracking link is sent by email once the order ships.
- Returns and refunds: If you encounter any issues with the product, please contact us promptly and provide detailed feedback. We will handle the return or exchange promptly
Frequently Asked Questions
What is the 129927-61601 Fuel Pump Rack Actuator?
The 129927-61601 Fuel Pump Rack Actuator is an aftermarket replacement fuel pump for Yanmar engines, supplied as aftermarket new/Remanufactured under part number 129927-61601.
Which Yanmar engines and machines does the 129927-61601 Fuel Pump Rack Actuator fit?
It is listed for 3TNV88, 4TNV98. If you are unsure, send your engine or machine nameplate to LIONKITS for confirmation.
How do I know my fuel pump is failing?
Common signs are hard starting or long cranking, loss of power under load, black, white or blue exhaust smoke, rough idle or surging, higher fuel consumption and fuel leaks.
Do I need to bleed the fuel system after replacing the pump?
Yes. Air in the fuel lines causes hard starting and false diagnostics, so bleed the system with the priming pump or bleed screws after installation and after any filter change.
What are the warranty and delivery terms for the 129927-61601 Fuel Pump Rack Actuator?
Warranty: 6 months. Your package will be sent within 2-3 business days, and another 3-7 business days to arrive in your country.
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