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The WG9725190103 Oil Filter Element is a genuine OEM spin‑on lube oil filter designed for SINOTRUK Homan heavy‑duty diesel engines. This high‑efficiency filter element combines a robust steel canister, a high‑density micro‑glass media, and a reliable bypass valve to provide exceptional particle removal and extended oil life. For guaranteed compatibility and performance, always choose genuine Sinotruk Homan parts. The WG9725190103 filter effectively captures carbon soot, metallic wear particles, and abrasive dust, ensuring clean oil circulates through engine bearings, piston rings, and turbocharger.
Engineered for the demanding conditions of long‑haul trucking and off‑highway applications, the WG9725190103 oil filter element features a high dirt‑holding capacity of 45 grams (ISO 4548‑12) and a filtration efficiency of >99.5% at 20 microns. The filter is a direct replacement for original SINOTRUK Homan units on HOWO, A7, T7H, and C7H trucks equipped with 10L, 12L, and 13L diesel engines.
Regular oil filter changes are essential to prevent abrasive particles from circulating and causing premature wear of bearings, cylinder liners, and valve train components. Using the genuine WG9725190103 ensures the correct bypass valve opening pressure (2.5 bar), preventing unfiltered oil from reaching critical engine parts during cold starts or filter blockage.
| Parameter | Specification |
|---|---|
| OEM Number | WG9725190103 |
| Brand | SINOTRUK Homan (Genuine OEM) |
| Product Type | Spin‑on Lube Oil Filter Element |
| Media Type | High‑efficiency micro‑glass / cellulose blend |
| Filtration Efficiency | > 99.5% at 20 microns (ISO 4548‑12) |
| Dirt Holding Capacity | 45 grams (ISO 4548‑12) |
| Bypass Valve Setting | 2.5 bar ±0.2 bar (36 psi) |
| Anti‑Drainback Valve | Silicone rubber (prevents dry starts) |
| Maximum Flow Rate | 50 L/min (13.2 US gpm) |
| Maximum Working Pressure | 1.5 MPa (217 psi) |
| Operating Temperature Range | -40°C to +120°C |
| Thread Connection | M18 × 1.5 (standard metric) |
| Canister Material | Cold‑rolled steel with anti‑corrosion coating |
| Gasket Material | Nitrile rubber (NBR) with O‑ring seal |
| Oil Compatibility | Mineral, semi‑synthetic, full‑synthetic engine oils (15W‑40, 10W‑30, 5W‑30) |
| Service Interval | 30,000 – 50,000 km (20,000 – 30,000 miles) depending on application |
| Compatible Models | SINOTRUK HOWO, A7, T7H, C7H, and other heavy trucks with 10L‑13L diesel engines |
The WG9725190103 Oil Filter Element is the first line of defense against engine‑killing contaminants. Every combustion cycle produces carbon soot, while normal mechanical wear releases microscopic metal particles. Additionally, dust and dirt bypassing the air filter can enter the crankcase. Without a high‑quality oil filter, these abrasives would lodge between moving parts, accelerating wear on bearings, piston rings, and turbocharger shafts.
The genuine SINOTRUK Homan filter element uses a micro‑glass/cellulose composite media that traps particles down to 10 microns with exceptional efficiency. This media has high tensile strength, resisting rupture even under cold‑oil pressure spikes. The pleat geometry is optimized to maximize surface area while maintaining flow, resulting in a dirt‑holding capacity of 45 grams – enough to keep oil clean for extended service intervals.
The integrated bypass valve is calibrated to open at 2.5 bar. During cold starts when oil is thick, or if the filter becomes saturated, the bypass allows unfiltered oil to flow, preventing oil starvation. However, repeated bypass operation indicates a need for more frequent filter changes. The genuine filter’s valve is manufactured with precision to avoid premature opening, ensuring filtered oil reaches the engine whenever possible.
Each WG9725190103 filter element is produced in an ISO 9001:2024 and IATF 16949 certified facility. The media is pleated using high‑speed automated machines to ensure uniform pleat spacing and density. The pleat pack is then bonded to end caps with a structural adhesive that resists oil degradation at temperatures up to 140°C. The steel canister is formed from deep‑drawn, zinc‑coated steel, then painted with a chip‑resistant epoxy finish.
After assembly, every filter is 100% leak‑tested at 0.5 MPa (73 psi). Random samples are subjected to burst testing (3 × rated pressure) and filter efficiency testing per ISO 4548‑12. The anti‑drainback valve is checked for proper sealing under vacuum, and the thread is verified using GO/NO‑GO gauges. A laser‑etched batch code on the canister provides traceability from raw material to finished product.
The WG9725190103 meets or exceeds OE specifications for SINOTRUK Homan engines. Counterfeit filters often use lower‑quality media (e.g., untreated paper) that collapses under flow, or they have incorrect bypass valve settings that can starve the engine of oil or allow unfiltered oil circulation at all times. Genuine XCMG/SINOTRUK Homan filters are your guarantee of protection.
Replacing the WG9725190103 oil filter element is a routine maintenance task. Warm the engine to normal operating temperature, then drain the engine oil. Use a filter wrench to loosen the old filter by turning counterclockwise. Clean the filter mounting surface on the engine block, ensuring the old gasket is not stuck.
Apply a thin film of clean engine oil to the new filter’s rubber gasket. Spin the new filter onto the mount until the gasket contacts the surface, then tighten by hand an additional 3/4 to 1 full turn (not more than 20 Nm). Do not use a filter wrench for final tightening – overtightening can deform the gasket or housing.
After installing, fill the engine with the specified grade and quantity of oil. Run the engine for 2 minutes, then shut off and check for leaks around the filter. Also check the oil level and top up as necessary. Never start an engine without oil; always pre‑fill the filter if the mounting orientation allows.
Aftermarket oil filters often use cheap paper media that clogs quickly and collapses under pressure. They may also have weak bypass valves that open too early, failing to filter the oil even when the filter is not yet full. The genuine WG9725190103 uses a high‑quality micro‑glass blend that maintains its structure and efficiency for the entire service interval.
Counterfeit filters may have poor fitting gaskets that leak after a few heat cycles, leading to oil loss and potential engine damage. The genuine filter’s gasket is made from nitrile rubber that resists hardening and remains flexible. In addition, genuine SINOTRUK Homan filters are equipped with a silicone anti‑drainback valve that seals better than cheap rubber valves, preventing dry starts.
Using a genuine filter is the only way to maintain the engine warranty and ensure the protection that the manufacturer intended. Don’t risk your engine’s health – choose the WG9725190103 genuine oil filter element.
Warning signs that your oil filter is overdue for replacement include: low oil pressure at idle (indicates a clogged filter), metallic debris in the old filter after cutting it open, the bypass valve having been forced open for extended periods, and a significant increase in oil consumption (worn rings due to abrasives).
Preventive replacement should follow the manufacturer’s schedule: typically every 30,000‑50,000 km for over‑the‑road trucks, or more frequently for severe service (mining, construction, extreme dust). Always replace the filter with every oil change – never skip a filter change when refreshing the oil.
Keep a stock of WG9725190103 filters in your parts inventory. A clogged filter can cause the bypass to open, allowing unfiltered oil to circulate, which will rapidly accelerate engine wear. Replace immediately if the oil pressure warning light flickers at idle after a cold start.
The WG9725190103 Oil Filter Element is stocked in SINOTRUK Homan regional warehouses worldwide. Standard air freight delivers within 3‑7 business days. Expedited shipping (1‑2 days) is available for urgent repairs. Bulk orders (24+ filters per case) receive volume discounts and can be shipped via sea freight.
Each filter is supplied in a sealed plastic bag inside a SINOTRUK Homan branded carton, complete with a QR code for authenticity verification. For large fleets, consignment stock programs are available to ensure immediate availability. Don’t let a substandard oil filter compromise your engine’s longevity.
Order the genuine SINOTRUK Homan WG9725190103 Oil Filter Element today and ensure your engine receives the clean, protected oil it needs to perform at its best for a million miles.
Summary: The SINOTRUK Homan Oil Filter Element (OEM WG9725190103) delivers superior engine protection through advanced micro‑glass media, a reliable bypass valve, and genuine OE quality. Trust this genuine component to keep your diesel engine clean and reliable on every haul.
If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.
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