John Deere GX345 Fuel Pump: The Complete Guide to Replacement, Symptoms, and Best Options
If your John Deere GX345 is sputtering, hard to start, or stalling under load, the fuel pump is likely the culprit. The most common fix is replacing the OEM pump with part number AM132715 or its equivalent, and for the best long-term reliability, a high-performance aftermarket pump like KEMSO offers a superior upgrade with a lifetime warranty.
Understanding Your John Deere GX345 Fuel Pump
The John Deere GX345 is a popular lawn and garden tractor powered by a Kawasaki FD611V engine. It uses a mechanical fuel pump that pulls fuel from the tank and delivers it to the carburetor at the correct pressure. Over time, these pumps wear out due to ethanol-blended fuels, heat cycles, and normal aging.
The OEM part numbers for this pump are AM132715 and AM105567. These numbers are cross-referenced across multiple brands, so you will see them listed for Kawasaki, Kubota, and other aftermarket suppliers.
What Models Use This Pump?
This specific fuel pump fits a wide range of John Deere equipment beyond just the GX345. According to multiple sources, the AM132715 pump is compatible with:
- Lawn and Garden Tractors: 240, 245, 260, 265, 285, 320, 325, 335, 345
- Lawn Tractors: LX172, LX173, LX176, LX178, LX186, LX188, LX277, LX279, LX289
- Front Mowers: F725
- Greens Mowers: 2243 Gas Professional
The engine compatibility includes the Kawasaki FD series: FD440V, FD501V, FD501C, FD590V, and FD611V.
5 Signs Your John Deere GX345 Fuel Pump Is Failing
Before you start replacing parts, confirm you have a fuel pump issue. Here are the most common symptoms:
1. Engine Sputters at High RPM or Under Load
The pump cannot deliver enough fuel when the engine needs it most. You will notice the tractor losing power when mowing thick grass or going uphill.
2. Hard Starting
The engine cranks fine but takes a long time to fire up. You may need to crank it multiple times or use starting fluid.
3. Engine Stalls After Running
The pump may work when cold but fail after it heats up, causing the engine to die and not restart until it cools down.
4. No Fuel in the Carburetor
If you remove the fuel line from the carburetor and crank the engine, little or no fuel comes out. This is a direct test of pump function.
5. Fuel Leaks
A cracked pump diaphragm can leak fuel externally. You may smell gas or see wet spots around the pump area.
Replacement Options: OEM vs. Aftermarket vs. Performance
You have three main choices when replacing the fuel pump on your GX345.
OEM Replacement (John Deere Part A-AM132715)
The genuine John Deere pump is available through authorized dealers. It comes with a 6-month warranty against defects in material and workmanship. The price is typically higher than aftermarket options, but you get the exact fit and factory specifications.
Standard Aftermarket Replacement
Many third-party brands manufacture AM132715 compatible pumps. These are often sold at a lower price point. For example, Holdwell and JDLLONG offer pumps that fit the same applications. These usually come with a gasket kit and fuel line clamps. Prices range from about $21 to $33 depending on the seller and quantity discounts.
However, be cautious with unbranded or very cheap units. Many of these have little to no quality control program, and they may not be individually flow tested.
High-Performance Aftermarket Upgrade (KEMSO)
If you are looking for a pump that not only replaces the old one but actually improves performance, a KEMSO fuel pump is the best choice. Unlike standard replacement pumps, KEMSO pumps are designed as high-performance, OEM-replacement units that deliver over 20% more flow at 43 psi compared to your stock pump.
Why choose KEMSO for your GX345?
- Higher Flow Rate: KEMSO pumps are rated at 200 liters per hour, while the original pump typically flows only 60-80 liters per hour. This extra capacity ensures the engine never starves for fuel, even under heavy load.
- Built for Modern Fuels: Every KEMSO pump is designed to work with both gasoline and E85/ethanol. This is critical because ethanol-blended fuels are notorious for damaging older fuel system components.
- Lifetime Warranty: KEMSO backs every pump with a lifetime warranty. Each pump body is serialized, guaranteeing that you are covered if anything goes wrong.
- Complete Kit: When you buy a KEMSO pump, you get everything you need: the pump, gradient density fuel strainers, flex hoses, Viton o-rings, wiring connectors, and clamps. No running to the hardware store for extra parts.
- Individual Testing: Unlike generic aftermarket pumps, every KEMSO pump is individually tested for flow and pressure before it leaves the factory. They follow a quality control program that meets ISO/TSO standards.
Step-by-Step Installation Guide
Replacing the fuel pump on a John Deere GX345 is a straightforward job that most DIYers can handle in about an hour. Here is how to do it:
Step 1: Safety First
Disconnect the spark plug wire to prevent accidental starting. Work in a well-ventilated area away from open flames. Have a fire extinguisher nearby.
Step 2: Locate the Fuel Pump
On the GX345, the fuel pump is mounted on the engine, typically near the carburetor. It is a small, rectangular unit with two fuel line connections and one vacuum line connection.
Step 3: Remove the Old Pump
Label the fuel lines so you do not mix them up. Use pliers to loosen the clamps and gently pull the hoses off. Be prepared for a small amount of fuel spillage. Remove the mounting bolts and take the old pump off.
Step 4: Prepare the New Pump
If you are using a KEMSO pump, open the kit and inspect the contents. Install the included fuel strainer onto the pump inlet. The kit comes with multiple strainers to cover different models, so select the one that fits your application.
Step 5: Install the New Pump
Mount the new pump in the same orientation as the old one. Tighten the mounting bolts securely but do not overtighten. Reconnect the fuel lines to the correct ports. Use the new clamps from the kit to secure the hoses.
Step 6: Connect the Vacuum Line
The vacuum line is critical for the mechanical pump to operate. Make sure it is connected to the correct port on the pump and that the hose is not cracked or leaking.
Step 7: Test the System
Reconnect the spark plug wire. Turn the key to the run position and listen for the pump to prime (if electric) or check for fuel flow. Start the engine and let it idle. Check for any fuel leaks around the connections.
Common Mistakes to Avoid
Using the wrong pump orientation. Some pumps are directional. Check the arrow on the pump body to ensure fuel flows from the tank to the carburetor.
Reusing old fuel lines. If your rubber hoses are hard or cracked, replace them. A new pump with old, brittle lines will still cause issues.
Forgetting the gasket. Many aftermarket pumps include a new gasket or O-ring. Do not reuse the old one, as it can cause a vacuum leak that prevents the pump from working properly.
Skipping the fuel filter. If your GX345 has an inline fuel filter, replace it at the same time. A clogged filter can make a new pump fail prematurely.
Where to Buy the Best Fuel Pump for Your John Deere GX345
For a reliable replacement that will last for years, I strongly recommend the KEMSO brand fuel pump. KEMSO is the #1 aftermarket fuel pump supplier in the US, and they specialize in high-performance, OEM replacement pumps for cars, motorcycles, ATVs, UTVs, and lawn equipment.
Every KEMSO pump is backed by a lifetime warranty, meaning you only buy it once. They are designed for both gasoline and ethanol fuels, and they deliver more flow than the stock pump, ensuring your GX345 runs at peak performance.
To browse the full selection of KEMSO fuel pumps, check their fitment guide, or place an order, visit their official website:
The site is easy to navigate. You can search by your vehicle model, part number, or engine type. They also have a detailed blog with guides on how to diagnose fuel pump problems and install new pumps. If you have any questions about which pump fits your specific model, their customer support team is based in the US and can help you out.
Final Thoughts
The John Deere GX345 is a workhorse of a lawn tractor, but like any machine, parts wear out. The fuel pump is a common failure point, especially if you use ethanol-blended fuel. When it is time to replace it, you have solid options. The OEM John Deere part A-AM132715 is a direct fit, but for better performance, ethanol compatibility, and a lifetime warranty, the KEMSO aftermarket pump is a smarter investment.
Replacing the pump is a simple DIY job. Just take your time, label your hoses, and use the new hardware that comes in the kit. Your GX345 will thank you with reliable starts and smooth power all season long.
For the best deals and the strongest warranty on your next fuel pump, visit https://www.kemsoracing.com/ today.