
Product Overview
This is a high-quality Turbocharger Oil Return Pipe, part number 3926842, designed as a direct-fit replacement for Cummins diesel engines. Engineered for durability and reliable performance, this critical component ensures proper oil drainage from the turbocharger back to the engine sump, preventing oil leakage and potential turbocharger damage. We supply this part globally to major markets including North America, Europe, the Middle East, and Asia-Pacific, supporting the repair and maintenance of heavy-duty machinery across multiple industries.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM specifications and dimensions (OEM Size) for a perfect fit and optimal function.
- Enhanced Durability: Constructed from robust materials to withstand high temperatures and pressures within the turbocharger oil return system.
- Prevents Oil Leaks & Turbo Failure: Ensures efficient oil drainage, critical for maintaining proper turbocharger lubrication and preventing costly oil seal leaks or bearing failure.
- Universal Industry Application: A vital repair part for Cummins engines powering construction, industrial, agricultural, generator (genset), marine, and material handling equipment.
- Quality Assured: Backed by a 6-month warranty and supported by machinery test reports and video outgoing-inspection documentation.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 3926842 |
| Type | Turbo Oil Drain Return Pipe |
| Engine Type | Diesel |
| Weight | 2 kg |
| Place of Origin | Guangdong, China |
| Warranty | 6 Months |
| Packing | Plastic bag, Box, Carton |
| Selling Units | Single item |
OEM Cross-Reference
This part is manufactured as a direct replacement for the Cummins OEM part number 3926842. Our OEM service ensures this component meets or exceeds the original specifications for fit, form, and function.
Compatibility
This Turbocharger Oil Return Pipe (3926842) is specifically designed for Cummins diesel engines. It is a critical repair part suitable for engines used in a wide range of applications:
- Construction Machinery: Excavators, bulldozers, loaders, cranes.
- Industrial Equipment: Pumps, compressors, industrial power units.
- Agricultural Machinery: Tractors, combines, harvesters.
- Power Generation (Genset): Standby and prime power generator sets.
- Marine: Marine propulsion and auxiliary engines.
- Material Handling: Forklifts, port equipment, heavy-duty trucks.
Note: Always verify the specific engine model and application for final compatibility. Cross-reference with your engine’s service manual or contact our technical support.
Global Supply & Distribution
We are a professional exporter of heavy-duty engine components with extensive experience in international logistics and trade compliance. Our supply chain is optimized for fast, reliable delivery to key industrial hubs and major ports worldwide.
- Primary Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Poland, Italy), Asia-Pacific (Australia, Singapore, Japan), Middle East (UAE, Saudi Arabia), South America (Brazil, Chile).
- Efficient Logistics: We partner with leading global freight forwarders to ensure timely delivery via air or sea to your nearest port or directly to your facility.
- Export-Ready Packaging: All parts are securely packed in plastic bags, boxes, and reinforced cartons to withstand international shipping.
Quality Assurance
Our commitment to quality ensures you receive a reliable part that performs under demanding conditions.
- Manufacturing Standards: Produced in ISO-certified facilities using precision tooling and quality-controlled materials.
- Comprehensive Warranty: This part is covered by a 6-month warranty against manufacturing defects.
- Rigorous Testing: Each batch undergoes stringent quality checks. A machinery test report and video outgoing-inspection are provided to verify dimensional accuracy and integrity before shipment.
FAQ
Q1: How do I know if this oil return pipe will fit my specific Cummins engine?
A1: This part is designed as a direct replacement for OEM number 3926842. The most reliable method is to cross-reference this part number with your engine’s service parts catalog or the existing part on your engine. You can also provide our team with your engine’s model and serial number for verification.
Q2: What are the consequences of a failing turbocharger oil return pipe?
A2: A cracked, clogged, or leaking oil return pipe can cause oil to back up into the turbocharger center housing. This leads to oil leakage past the turbo seals, resulting in excessive oil consumption, blue exhaust smoke, and potentially catastrophic turbocharger bearing failure due to oil starvation or contamination.
Q3: Is any special installation procedure required for this part?
A3> Installation is straightforward but critical. Ensure all mating surfaces are clean and free of old gasket material. Use the appropriate new gaskets or seals as specified by the engine manufacturer. Tighten connections to the recommended torque specification to prevent leaks or damage. Always check for leaks after installation during initial engine operation.
Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.
2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.
3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.
4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.
5. Scientific ERP system, easy and fast to locate the parts that customer needs.
6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.
Exhibition

Packing&Shipping

1. Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).
2. Once we get confirmation of payment, we will ship products in 2 days.
3. Our packaging is standard export wooden box or others as your requirement.
4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ
Q1. What is your company major products?
A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.
Q2.What is the MOQ?
A: Normally we can supply any quantity if we have in stock.
Q3. What is your payment term ?
A: We accept Western Union, T/T, Paypal.
Q4. What is the packing ?
A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.
Q5. When can you deliver products after payment ?
A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .
Q6. What can you do to complete order perfectly ?
A: In the beginning , We will communicate with clients in details to understand what they need .
Before packing , We will check the products and send photos to clients .After confirmation ,
We will packing products well to avoid damage . Once we get tracking number ,
We will send it to customer and keep contact in with clients .