Diesel Lift Fuel Pump For Perkins 4132A016 MO1666 ULPK0039 4132S018 Fuel Water Separator

Perkins Fuel System Essentials: ULPK0039 / 4132A016 Pump & Separator Explained

This briefing focuses on the Perkins Diesel Lift Fuel Pump (OE numbers: 4132A016, ULPK0039) and the accompanying Fuel Water Separator—key components for maintaining engine performance and reliability, particularly on the Perkins 1100 Series engines (e.g., 1104C/D, 1103C/D).

1. The Diesel Lift Pump (ULPK0039 / 4132A016)

This is an electric pump, typically 12V, that serves as the heart of the low-pressure fuel circuit. It ensures the primary supply line to the high-pressure injection pump remains correctly pressurized.

• Primary Function: To draw diesel from the fuel tank and deliver it at a stable, controlled pre-pressure to the high-pressure pump. This is critical to prevent air intrusion (aeration) and pump cavitation, which cause catastrophic damage in modern injection systems.

• Performance: Expected to maintain sufficient flow rate (e.g., 120-140 L/H) and a consistent low-side pressure (often in the range of 30–75 kPa) across all engine load conditions.

• Common Applications: Widely found on equipment manufactured by Massey Ferguson (e.g., 5400 Series), Caterpillar (Compactors, Excavators), and FG Wilson Gensets that utilize the 1100 Series engine.

• Failure Symptoms (What to search for): Look for hard starting, engine misfiring, loss of power under load (bucking), or the inability to successfully prime/bleed the system after a filter change.

2. Fuel Water Separator

Often integrated into the lift pump assembly or as a separate unit, the separator is the engine's main defense against contamination.

• Critical Role: Water Removal. It uses filtration and density differences to pull free water droplets out of the diesel. Water is the leading cause of wear and corrosion in high-pressure components.

• Filtration: Also removes solid particulates before they can reach the fine tolerances of the injectors and high-pressure pump.

• Maintenance Tip: Regular draining of the water bowl is mandatory to prevent accumulated water from overwhelming the system and being drawn into the engine.

2.OUR COMPOANY & FACTORY

Guangzhou KOMAI-Filter Co.,Ltd was founded in 2005,loed in Guangzhou Guangdong.

KOMAI/KEFEI is a sub brand of us, we have our own R & D team, manufacturer, brand marketing system. At present, our products have been in several countries in Southeast Asia, North Africa, South America, Middle East, Eastern Europe has a point of sale or agent. We have 400 kinds of products, the vast majority of Applications in engineering machinery or truck. Our main products are Fuel Filter, Oil Filter, Hydraulic Oil Filter, Air Filter and Fuel Water separator

So far, our two brands have occupied China's domestic filter industry high-end market 20%. We accept brand customization,We aim to make our products and service famous around the world, to have more opportunities to make friends from world.

3. DELIVERY AND PACKING

Packing : Neutural/Customized/Color box packages
1.Plastic bag+box+carton;
2.Box/plastic bag + carton
3.Be Customized

Delivery time : 3~7 Days After Order Is Confirmed , we will send you good as soon as we get the payment, no delay!

4. FAQ

Q1. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q2. How about your delivery time?
A: Generally, it will take 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q3. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q4. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery