- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
OEM 24N-01072 The plug assembly for oil holes is a critical component designed to seal machined passages in engine blocks, transmissions, and axles, preventing oil leaks and maintaining system pressure. The genuine SINOTRUK HOWO 24N-01072 Plug Assembly – Oil Hole is an OEM‑grade component engineered for a perfect fit and long‑term durability. As a critical element of the trusted Sinotruk howo parts family, this plug assembly is crafted from high-strength, anti-corrosion steel and reinforced alloys to bear heavy loads, resist road impacts, and stand up to harsh weather—effectively supporting key components like axles, engine blocks, and transmission housings. Its precision‑threaded body and integrated sealing feature ensure a reliable, leak‑proof closure.
The 24N-01072 plug is manufactured from high‑grade steel, providing exceptional strength and resistance to deformation under torque.
Rolled threads ensure a perfect fit and prevent galling during installation.
Includes a pre‑assembled seal or sealing washer for a reliable, leak‑proof closure.
Zinc‑plated or black oxide coating protects against rust and corrosion.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 24N-01072 | SINOTRUK HOWO Original |
| Product Name | Plug Assembly – Oil Hole | Threaded plug with seal |
| Thread Size | Model‑specific (e.g., M14 x 1.5) | Metric fine |
| Head Type | Hex / Socket | 17 mm / 12 mm |
| Material | Carbon steel, grade 8.8 | High strength |
| Seal Material | Copper / Aluminum washer | Crush type |
| Overall Length | 20 mm (approx.) | Under head |
| Surface Finish | Zinc‑plated / Clear | Corrosion resistant |
| Operating Temp | -40°C to +150°C | Suitable for oil |
| Weight | ~0.04 kg | Lightweight |
| Compatible Systems | Engine blocks, transmissions, axles | Verify thread |
Oil holes are drilled in components to deliver lubricant to bearings and gears. After machining, these holes must be sealed to prevent oil from escaping. The 24N-01072 plug assembly provides this seal. A loose or leaking plug can cause a drop in oil pressure, leading to bearing failure and costly repairs. This genuine plug is engineered with precise threads and an integrated sealing washer to ensure a leak‑tight closure that withstands vibration and thermal cycling.
The plug is cold‑headed from steel wire, then heat‑treated for strength. Threads are rolled for accuracy. The sealing washer is precisely formed and assembled.
Every batch undergoes dimensional inspection and hardness testing. Sample plugs are torque‑tested to verify sealing performance.
The development of the 24N-01072 Plug Assembly – Oil Hole focused on providing a sealing solution that could withstand the unique demands of heavy‑duty truck systems. Oil passages are subject to high pressure pulses from the oil pump, and any leak can quickly lead to low pressure. This plug is engineered with a thread form that provides a tight mechanical lock, while the integrated washer crushes slightly under torque to create a perfect seal.
The material, typically a medium‑carbon steel, is chosen for its strength and machinability. The zinc plating provides excellent corrosion resistance, ensuring the plug can be removed even after years of service without seizing. The sealing washer is often made of soft copper or aluminum, which conforms to minor surface irregularities on the mating face.
Quality control for the 24N-01072 is exhaustive. In addition to dimensional inspection, sample plugs are tested for hardness and tensile strength. They are also subjected to pressure testing in a simulated oil gallery to ensure they can withstand operating pressures without leaking. Only components that pass all these rigorous checks are approved for shipment.
A leaking oil hole plug can cause a range of issues. Symptoms include oil drips from the side of the engine block, transmission, or axle, low oil pressure warnings, and in severe cases, bearing failure due to oil starvation. During routine maintenance or a rebuild, all oil galley plugs should be inspected for tightness and signs of leakage. If any are found, replacement with a genuine 24N-01072 plug is essential.
Installation is straightforward. Clean the threaded hole thoroughly. Apply a drop of thread sealant if recommended. Thread the plug in by hand, then torque to the manufacturer’s specification. Do not overtighten, as this can damage the sealing washer or strip the threads.
Field performance of the 24N-01072 plug has proven its exceptional reliability. In a study of 100 Howo trucks, none showed signs of plug leakage over 500,000 km. This reliability translates directly to lower maintenance costs and increased uptime for fleet operators.
For parts managers, the 24N-01072 plug assemblies are available individually or in bulk packs, each with a lot traceability label and a QR code linking to installation instructions. Bulk orders (100+ units) receive additional packaging discounts and priority handling.
Warranty and support for the 24N-01072 are comprehensive. SINOTRUK HOWO provides a 2‑year/unlimited mileage warranty against manufacturing defects. Our technical support team is available via email to answer any questions regarding installation or compatibility, and we are committed to providing a response within 24 hours.
When ordering, always verify your application’s thread size and type. The 24N-01072 is designed for specific Howo systems; our cross‑reference guide (available on request) helps you select the correct plug.
In summary, the 24N-01072 Plug Assembly – Oil Hole is a vital component for ensuring the lubrication integrity of your SINOTRUK HOWO truck’s engine, transmission, and axles. Its precision construction, durable materials, and rigorous testing make it the preferred choice for sealing oil passages. Trust the genuine 24N-01072 – it keeps the oil where it belongs.
When replacing oil hole plugs, clean the threads thoroughly. Use the correct sealing washer. Torque to specification. After filling with oil, check for leaks. Never reuse a sealing washer.
Generic aftermarket plugs often use inferior steel, incorrect thread pitch, or poor‑quality seals, leading to leaks and oil loss. The genuine 24N-01072 is engineered to exact specifications, ensuring a perfect fit and reliable performance.
Generic aftermarket oil hole plugs often use inferior steel, incorrect thread pitch, or poor‑quality seals, leading to leaks, oil loss, and catastrophic engine or transmission failure. The genuine SINOTRUK HOWO 24N-01072 Plug Assembly – Oil Hole is engineered to the exact specifications of your truck’s lubrication system. It is manufactured under strict quality controls, undergoing rigorous testing against international standards (e.g., ISO, CE) and Sinotruk’s original specs. Using premium, corrosion‑resistant materials ensures it withstands the extreme demands of heavy‑duty diesel operation, delivering consistent performance and long life.
By choosing the authentic part, you protect your investment and ensure your engine, transmission, and axles stay properly lubricated for years to come. For fleet managers and owner‑operators who demand the best, the genuine 24N-01072 is the only responsible choice.
24N-01072 – 100% Genuine SINOTRUK HOWO Oil Hole Plug Assembly • The seal that keeps your oil pressure up • No forms, just quality parts.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
