HU12021z Oil Filter Overview
The HU12021z Oil Filter For Diesel Engines is a MANN replacement filter designed for professional diesel engine filtration applications. It is suitable for distributors, retailers, aftermarket service providers, wholesalers and filter stores that need a dependable replacement option with broad cross-reference coverage. This filter is commonly cross-referenced with numbers from Baldwin, Donaldson, Fleetguard, Hengst, Hifi, SF Schupp, Wix and Mercedes-Benz. Independent catalog sources also list HU12021Z together with Fleetguard LF17810, Hifi SO7319 and other replacement references.
For diesel engine applications, effective oil filtration helps remove contaminants from circulating engine oil and supports cleaner lubrication. The HU12021z replacement is developed for B2B aftermarket supply, providing a practical option for buyers who need consistent product specifications and repeat-order support.
Its broad reference range also makes it useful for oil filter cross reference searches. Published filter catalogs identify Hifi SO7319 as compatible with MANN HU12021Z, while other cross-reference databases list Fleetguard LF17810 and multiple Mercedes-Benz references in the same replacement family.
Key Features and Buyer Benefits
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Broad Cross-Reference Coverage: Helps distributors identify replacement opportunities across several established filter and engine reference systems.
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Stable Filtration Performance: Designed for professional diesel engine oil filtration where clean oil circulation is important.
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High Flow Oil Filter Design: Suitable for applications where effective oil circulation and filtration need to work together.
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Aftermarket Replacement: A practical sourcing option for retailers, repair businesses and filter specialists.
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Bulk Supply Support: MOQ starts at 60 pieces, making the product suitable for commercial purchasing rather than individual replacement needs.
Technical Specifications
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Parameter
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Specification
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Part Number
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HU12021z
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Part Type
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Oil Filter
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Brand Type
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MANN Replacement
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Overall Length
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277.7 mm (10.93 inch)
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Outer Diameter
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117 mm (4.61 inch)
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Inner Diameter
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52.5 mm (2.07 inch)
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Filter Length
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249 mm (9.80 inch)
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Gasket OD
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64.7 mm (2.55 inch)
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MOQ
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60 pcs
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MANN Oil Filter Cross Reference
The following reference numbers can help purchasing teams identify the HU12021z replacement across different brands. Cross-reference information is supported by multiple current aftermarket catalog sources, although individual catalogs can vary in the exact number of listed references.
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Brand
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Cross Reference Part Numbers
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Baldwin
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P41000
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Claas
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0019863920
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Detroit Diesel
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A4711800009 A4711800209 A4711800009 A4711800209 A4721841725 A4721842025 A4721842425
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Donaldson
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P959264
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Fleetguard
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LF17810
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Hengst
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E523H D373
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Hifi
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SO 7319
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Mercedes-Benz
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4721841825 4721842125 4721842325 4721842525 4721842925 A4721841725 A4721841825 A4721842025 A4721842125 A4721842325 A4721842425 A4721842525 A4731800509 A4731800809 4731800509 4731800809 4731800809
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SF Schupp
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SO 97111
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Wix
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WL10663
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Oil Filter Maintenance for Diesel Engines
Proper Oil Filter Maintenance should follow the engine manufacturer's service requirements and the actual operating environment. Heavy-duty diesel engines may operate under high load, long service hours, dust exposure and variable temperatures. A suitable filter should therefore be inspected and replaced according to the recommended service schedule rather than based only on appearance.
During replacement, purchasing and service teams should verify the part number and sealing area before installation. Keeping correct replacement filters in stock can also reduce maintenance delays for repair shops and fleet-service operations.
High Flow Oil Filter and Extended Life Applications
Buyers searching for a High Flow Oil Filter generally need a balance between filtration and oil circulation. The HU12021z replacement is positioned for professional diesel-engine applications where dependable filtration and correct fit are important purchasing requirements.
An Extended Life Oil Filter should not be understood as permission to extend an engine's service interval beyond the manufacturer's recommendation. Filter life depends on oil quality, contamination levels, engine condition, operating load and service conditions. For fleet and aftermarket buyers, maintaining the correct replacement schedule is an important part of reliable maintenance planning.
Custom Made Oil Filter and OEM/ODM Supply
For distributors and filter specialists with their own product programs, we also support Custom Made Oil Filter and OEM/ODM requirements. Buyers can discuss private labeling, packaging, product specifications and repeat production requirements with our sales team. This provides a flexible sourcing route for companies building their own aftermarket filter range.
Five Reasons for Choosing China Everlasting Parts
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Professional Filter Manufacturing: Our product range covers air, oil, fuel, hydraulic, fuel-water separator, breather and other filtration products.
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B2B-Focused Supply: We serve retailers, wholesalers, filter stores and aftermarket service providers.
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Cross-Reference Support: Our team can help buyers check replacement references before placing commercial orders.
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OEM/ODM Capability: Custom product and packaging requirements can be discussed for suitable projects.
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Commercial MOQ: This HU12021z replacement is available with a 60-piece MOQ for wholesale purchasing.
Customer Reviews
★★★★★ Daniel Carter
“The cross-reference support made it easier for our purchasing team to match the filter with our existing aftermarket range. The ordering process was clear and professional.”
— Wholesale Filter Buyer
★★★★★ Marcus Bennett
“We needed a replacement option for a diesel engine filter program. The part number references were useful for our internal product matching and purchasing work.”
— Aftermarket Service Buyer
★★★★★ Steven Miller
“The product information was easy for our filter store team to review. We were able to discuss the required quantity and replacement references directly with the supplier.”
— Filter Store Purchasing Manager
Company Introduction
CHINA EVERLASTING PARTS CO., LIMITED is a professional high-quality filters manufacturer serving international B2B customers. Our main filter products include Air Filters, Air Cleaner Filters, Air Dryers, Ventilation Filters, Breather Filters, Oil Filters, Fuel Filters, Hydraulic Filters, Fuel Water Separators, Air Oil Separators and Filter Assemblies. We welcome OEM and ODM cooperation and support customers looking for dependable aftermarket filtration products and customized sourcing solutions.
Frequently Asked Questions
What is HU12021z?
HU12021z is a MANN reference for an oil filter used in diesel-engine filtration applications. It is also listed with multiple aftermarket and OEM-related cross-reference numbers.
What filters cross-reference with HU12021z?
Commonly listed references include Baldwin P41000, Fleetguard LF17810, Hifi SO7319, Donaldson P959264, Hengst E523H D373, SF Schupp SO97111 and Wix WL10663. Catalogs may list additional references, so application verification is recommended.
What is the MOQ?
The MOQ for this HU12021z replacement is 60 pieces. Please contact us for current pricing, packaging and bulk-order details.
Can you provide OEM or custom filter solutions?
Yes. CHINA EVERLASTING PARTS CO., LIMITED welcomes OEM and ODM projects. Buyers can discuss custom specifications, private-label requirements and packaging options with our sales team.
Looking for a HU12021z Oil Filter Replacement?
Send us your required quantity, current part number or application details. Our team can help check the cross-reference and discuss bulk supply, OEM/ODM and custom filter requirements.
WhatsApp/Wechat: +86 18965520297
WhatsApp/Wechat: +86 18144082725
Email: Sales@filters-king.com