Long Shang

Long Shang added blog Other
2026-03-06 01:35:35 -

What is a "Nelson" air filter, and is it the same as Cummins?
Yes. Nelson is a brand owned by Cummins Filtration. If your Cummins has a "Nelson" air filter housing, you should use a genuine Cummins/Nelson replacement element. The Details:Cummins acquired Nelson Industries, a leader in exhaust and air filtration. Perfect Fit: The sealing surface of a Nelson air cleaner is specific. A cheap aftermarket element might not seal properly, allowing...

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Long Shang added blog Other
2026-03-06 01:34:57 -

Can I use an aftermarket filter on my Cummins instead of a genuine Fleetguard?
While you can physically install many aftermarket filters, using genuine Cummins Fleetguard filters is strongly recommended to protect your fuel system and warranty. The Details:Fleetguard is the official filtration brand of Cummins. They are engineered specifically for the flow rates and pressure specifications of your engine. Micron Rating: Genuine filters have a precise...

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Long Shang added blog Other
2025-10-22 03:17:11 -

How can I tell if my Cummins fuel pump is failing?
Recognizing the early signs of fuel pump failure can save you from unexpected downtime and more extensive damage. Key symptoms include: Hard Starting or No Start: The most common sign. The engine struggles to crank or fails to start altogether due to insufficient fuel pressure. Loss of Power & Poor Performance: You'll notice a significant lack of power, especially under load,...

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Long Shang added blog Other
2025-10-22 03:15:33 -

What's the difference between OEM and aftermarket fuel pump parts?
This is the most crucial decision you'll make. OEM (Original Equipment Manufacturer) Parts: These are made by or for Cummins Inc. itself. They are engineered to the exact specifications and tolerances of your engine, guaranteeing perfect fit, performance, and reliability. They also come with a Cummins warranty. The primary drawback is that they are typically more expensive than...

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Long Shang added blog Other
2025-09-24 03:08:04 -

What are the Symptoms of a Failed Injector Cup?
A failing or failed injector cup is bad news. The symptoms are often severe and can be mistaken for other issues. Watch out for these signs: Coolant Loss with No Visible Leak: This is the most classic symptom. A cracked cup allows coolant to be siphoned directly into the cylinder or into the fuel system. You'll see your coolant level dropping but find no puddle under the truck. White,...

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Long Shang added blog Other
2025-09-24 03:07:25 -

What is a Cummins Injector Cup and What is its Purpose?
An injector cup is a precisely machined stainless steel sleeve that is pressed into the cylinder head. Each cylinder has one, and its job is to create a perfect seal for the fuel injector. Think of it as a dedicated, high-pressure plumbing line for each injector. Its key purposes are: Sealing Combustion Gases: It seals the injector tip from the extreme heat and pressure of the combustion...

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Long Shang added blog Other
2025-09-03 09:54:28 -

Are aftermarket parts reliable for a PT fuel system, or should I insist on genuine Cummins parts?
This is a classic debate. While high-quality aftermarket parts can offer cost savings and are acceptable for certain non-critical components, for core components, genuine Cummins parts are highly recommended. Genuine Cummins Parts: These are manufactured to the original precise specifications. The tolerances inside the PT pump and injectors are extremely tight. Using genuine parts...

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Long Shang added blog Other
2025-09-03 09:52:48 -

What are the most common failure points in a Cummins PT fuel system?
The PT system is robust, but several components are known to wear over time. The most common failure points include: PT Fuel Pump: The pump itself can suffer from worn gears, seals, and gaskets, leading to low pressure and poor engine performance. Injectors: Over time, injector tips can clog with carbon buildup, and internal parts like plungers and barrels can wear, causing poor...

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2025-09-03 09:50:45 -

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