Product Description
6610-51-4400 oil filter element is designed for heavy-duty diesel engines used in construction machinery, excavators, loaders, bulldozers, generators, and industrial equipment. It helps remove carbon particles, metal debris, oil sludge, and other contaminants from engine oil, supporting cleaner lubrication and stable engine operation.
The product shown in the image features a cylindrical perforated metal outer shell with internal filter media. This reinforced metal cartridge structure helps protect the filter media and is suitable for heavy-duty working environments.
This filter is suitable for aftermarket replacement, machinery repair workshops, fleet maintenance companies, spare parts wholesalers, and heavy-duty equipment filter distributors.
Applications
Main Application: Komatsu equipment and compatible heavy-duty diesel engine platforms using 6610-51-4400 / LF688 type oil filter elements.
Suitable for: excavators, loaders, bulldozers, mining equipment, construction machinery, generator sets, industrial diesel engines, fleet vehicles, and off-road machinery.
Before ordering, please confirm the OE number, cross reference number, filter size, engine model, and installation structure to ensure correct fitment.
Reference Numbers
Main OE Number: Komatsu 6610-51-4400 / 6610514400
Common Cross Reference Numbers: Fleetguard LF688, Donaldson P550087, Wix 51440, Baldwin PT146, Case A66482, Fram CH2971, HIFI FILTER SO 688.
Common Size Reference: Height around 236–237 mm, outer diameter around 126–128 mm, inner diameter around 56 mm. Please confirm the final size according to actual sample or order drawing.
Product Features
Efficient lube oil filtration: The filter media helps capture fine particles, carbon deposits, oil sludge, and metal debris from engine oil.
Reinforced metal structure: The perforated metal outer shell helps protect the internal media under heavy-duty working conditions.
Stable oil flow: The cartridge design supports smooth oil circulation and helps maintain normal engine lubrication.
Heavy-duty application: Suitable for construction machinery, mining equipment, off-road machines, generator engines, and industrial diesel engines.
Aftermarket replacement solution: A practical choice for Komatsu parts distributors, machinery repair shops, importers, and fleet service companies.
Customer Case
Customer Case – UAE, Mr. Ahmed
A construction machinery spare parts distributor from Dubai, UAE, selected 6610-51-4400 oil filter elements for Komatsu equipment maintenance customers. The customer needed a reinforced metal shell filter, stable filtration quality, and clean export packaging for local repair workshops. After confirming the reference number and sample quality, this model was added to their regular Komatsu filter purchasing list.
Customer Case – Saudi Arabia, Mr. Khalid
A fleet maintenance customer from Riyadh, Saudi Arabia, required oil filter elements for heavy-duty machinery working in dusty construction sites. 6610-51-4400 was recommended as a replacement lube oil filter for compatible Komatsu equipment, helping the customer support regular engine maintenance.
