High-Quality Aftermarket Caterpillar Cat Engine Oil Pump OE# 189-8777 for 3116 / 3126 Engines
Looking for a reliable and durable replacement oil pump for your Caterpillar engine? At Guangxi Huayang Engineering Machinery Equipment Co., Ltd., we offer the premium aftermarket Caterpillar Cat Engine Oil Pump OE# 189-8777, specifically designed for 3116 and 3126 engine models. As a leading supplier of construction machinery parts, including those for top brands like Komatsu and Caterpillar, we are committed to providing high-quality components that meet or exceed OEM standards.

Product Advantages
Superior Performance: Ensures optimal oil circulation for proper engine lubrication and cooling.
Durable Construction: Manufactured with high-quality materials to withstand demanding operating conditions.
Cost-Effective Solution: Provides a reliable aftermarket alternative to OEM parts without compromising quality.
Direct Replacement: Designed to fit seamlessly as a direct replacement for the original Caterpillar oil pump OE# 189-8777.
Product Usage and Compatible Models
This aftermarket engine oil pump is essential for maintaining the health and longevity of your Caterpillar 3116 and 3126 engines. These engines are commonly found in a wide range of construction and industrial equipment, including:
Caterpillar Excavators: Such as the CAT 312, CAT 315, and CAT 320 series. These excavators are used for digging, material handling, and various construction tasks.
Caterpillar Loaders: Including models like the CAT 924F and CAT 928G. These loaders are crucial for moving materials like gravel, sand, and soil on construction sites.
Caterpillar Generators: Used to provide power in remote locations or as backup power sources.
Caterpillar On-Highway Trucks: Certain truck models utilize the 3116 and 3126 engines for transportation and logistics.
For example, a construction company operating a CAT 320 excavator might need to replace a worn-out oil pump to ensure the engine continues to run smoothly and efficiently on their busy project site. Similarly, a logistics company relying on Caterpillar trucks with 3126 engines would need a reliable oil pump to minimize downtime and maintain their delivery schedules.
About Guangxi Huayang Engineering Machinery Equipment Co., Ltd.
Guangxi Huayang Engineering Machinery Equipment Co., Ltd. is your trusted partner for high-quality aftermarket construction machinery parts. We specialize in providing a wide range of components for Komatsu and Caterpillar equipment, including:
Undercarriage Parts: Track rollers, carrier rollers, sprockets, idlers, track chains, and track shoes.
Hydraulic System Parts: Hydraulic pumps, hydraulic motors, control valves, and hydraulic cylinders (such as bucket cylinders and boom cylinders).
Transmission and Power Components: Transmissions, gears, and engine components (including Cummins engine parts).
Wear Parts: Bucket teeth, track links, pins and bushings, and high-strength bolts.
We are committed to providing our customers with reliable products and excellent service. Contact us today for all your Komatsu and Caterpillar parts needs.
Frequently Asked Questions (FAQ)
Question: How do I know if my oil pump needs to be replaced?
Answer: Common signs of a failing oil pump include low oil pressure warning light, noisy operation, engine overheating, and decreased engine performance. If you notice any of these symptoms, it's crucial to have your engine inspected by a qualified mechanic.
Question: Is this an OEM part?
Answer: No, this is a high-quality aftermarket replacement oil pump. Aftermarket parts are manufactured by companies other than the original equipment manufacturer but are designed to meet or exceed the performance and durability of OEM parts.
Question: What is the warranty on this oil pump?
Answer: Warranty details may vary. Please contact our sales team for specific warranty information on this Caterpillar oil pump.
Troubleshooting, Repair Suggestions, and Maintenance Tips
Troubleshooting Common Oil Pump Issues:
Low Oil Pressure: Check oil level, oil filter condition, and for any leaks in the oil lines. A faulty oil pressure sensor could also be the cause.
Noisy Oil Pump: Unusual noises might indicate internal wear or damage. Inspect the pump for any visible signs of damage.
Repair Suggestions:
If the oil pump is significantly worn or damaged, replacement is usually the best course of action.
Ensure the correct installation procedures are followed, including proper torque specifications for mounting bolts.
Oil Pump Maintenance Tips:
Regularly check your engine oil level and ensure it is within the recommended range.
Change your engine oil and oil filter according to the manufacturer's recommendations.
Use the correct type and viscosity of engine oil for your specific engine model and operating conditions.
Multilingual Glossary of Komatsu and Caterpillar Parts
Komatsu PC200-8 Track Roller:
Caterpillar CAT 345D Swing Motor:
Chinese: 卡特彼勒CAT 345D回转马达 (Kǎtèbǐlè CAT 345D huízhuǎn mǎdá)
Russian: Мотор поворота Caterpillar CAT 345D (Motor povorota Caterpillar CAT 345D)
Location: Upper Structure
Komatsu D85EX-15 Sprocket:
Caterpillar CAT 966H Hydraulic Cylinder (Bucket):
Chinese: 卡特彼勒CAT 966H铲斗油缸 (Kǎtèbǐlè CAT 966H chǎndǒu yóugāng)
Russian: Гидроцилиндр ковша Caterpillar CAT 966H (Gidrotsilindr kovsha Caterpillar CAT 966H)
Location: Front Attachment
Komatsu WA470-6 Wheel Loader Tire:
Caterpillar CAT 336D Track Shoe:
Komatsu PC300-8 Idler:
Caterpillar CAT D6T Ripper Cylinder:
Chinese: 卡特彼勒CAT D6T松土器油缸 (Kǎtèbǐlè CAT D6T sōngtǔqì yóugāng)
Russian: Гидроцилиндр рыхлителя Caterpillar CAT D6T (Gidrotsilindr rykhlitelya Caterpillar CAT D6T)
Location: Rear Attachment
Komatsu GD655-6 Grader Blade:
Chinese: 小松GD655-6平地机刀片 (Xiǎosōng GD655-6 píngdìjī dāopiàn)
Russian: Отвал грейдера Komatsu GD655-6 (Otval grejdera Komatsu GD655-6)
Location: Front Attachment
Caterpillar CAT 740B Articulated Truck Transmission:
Chinese: 卡特彼勒CAT 740B铰接式卡车变速箱 (Kǎtèbǐlè CAT 740B jiǎojiēshì kǎchē biànsùxiāng)
Russian: Коробка передач сочлененного самосвала Caterpillar CAT 740B (Korobka peredach sochlenennogo samosvala Caterpillar CAT 740B)
Location: Powertrain