Basic Info.
| Parts no. | 4W2448 | Material | steel |
| Type | Oil Pump | Parts Type | Engineering machinery parts |
| Compatibility | Caterpillar | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed：2026/03/16
- Manufacturer：Diron Parts
Product Description
- Parts Type：Oil Pump
- Description: Oil Pump 4W2448 For Caterpillar Truck Engine 3306
The 4W-2448 is a high-reliability aftermarket engine oil pump designed specifically for Caterpillar® 3306 diesel engines used in on-highway trucks, off-highway trucks, and industrial applications. This complete pump assembly delivers consistent oil pressure and flow to all critical engine components — crankshaft bearings, camshaft, pistons, turbocharger, and valve train — ensuring proper lubrication, reduced wear, and long-term engine durability under heavy load and extended operating hours.
Key Features & Benefits
- High-volume gear design provides strong, stable oil flow across the full RPM range
- Precision-machined gears and housing for minimal internal leakage and consistent pressure
- Built-in pressure relief valve for protection against over-pressure conditions
- Direct bolt-on mounting pattern matching factory configuration
- 100 % bench-tested for flow rate, pressure output, and zero external leakage
- Proven performance in high-hour 3306 truck engine operations
Common Applications (Caterpillar® Compatibility)
- Engine: 3306 (PC & DI – truck configurations)
- Typical Vehicles & Equipment: – On-highway trucks (Freightliner, Kenworth, Peterbilt with 3306 repower or older fleets) – Off-Highway Trucks: 773B, 769C – Industrial power units, generator sets, and marine propulsion
Technical Specifications
- Part Number Reference: 4W-2448
- Type: Engine lubrication gear pump
- Displacement: ≈ 80–90 cc/rev
- Rated Pressure: 400–500 kPa (58–72 psi) at operating speed
- Flow Rate: Matches factory specification at rated RPM
- Mounting: Direct bolt-on flange
- Weight: ≈ 12–15 kg (26–33 lb)
Important Note:
- We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.
- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.
- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.
