Basic Info.
| Part no. | 9N0111 | Material | Iron |
| Type | Turbocharger Cartridge | Weight | |
| Compatibility | Caterpillar | Transport Package | Wooden Box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 8409919990 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model: 9N0111
- Date First Listed:2025/11/2
- Manufacturer:Diron Parts
Product Description
- Part Number:9N0111
- Part Type:Turbocharger

The 9N-0111 is a brand-new, high-performance aftermarket turbocharger core assembly (CHRA) designed as a 100% direct, drop-in replacement for the original Caterpillar® part number 9N0111. This fully balanced cartridge fits TV72 and TW72 series turbochargers used on early Caterpillar 3406 (mechanical DI) and D348/D349 engines. It is the fastest and most economical way to restore full boost and performance without purchasing a complete new turbocharger.
Key Features & Benefits
- 100% brand-new construction – no core charge or return required
- Factory VSR-balanced to < 0.5 g·mm for zero vibration and long bearing life
- High-temperature Inconel turbine wheel + cast aluminum compressor wheel (exact OEM contours)
- Upgraded 360° thrust bearing and high-grade journal bearings for severe-duty applications
- All new seals, piston rings, heat shields, and retaining hardware included
- Direct bolt-in fit – identical shaft, wheel dimensions, and bearing geometry to genuine 9N0111
Common Applications (Caterpillar® Compatibility)
- Engines: – 3406 (early mechanical direct-injection, pre-3406B) – D348, D349 (industrial, marine, generator sets)
- Turbo Models: TV72, TW72 series
- Typical Power Ratings: 300–450 hp (3406), 700–1200 hp (D348/D349)
Technical Specifications
- Part Number: 9N-0111 (aftermarket direct replacement)
- Turbine Wheel Exducer: ~88 mm
- Compressor Wheel Inducer: ~68 mm
- Bearing System: Full-floating journal + 360° thrust
- Oil Cooled Only (non-wastegated)
- Weight: ~9.5 kg (21 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.
- Note: 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
Advatange
- Advatange One
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.
- Advatange Two
With 18 Years Experience In Manufacturing And Exporting, Diron Has A Team Of Knowledgeable Engineers, Inspectors, And Skilled Workers
- Advatange Three
The Products Export To More Than 80 Countries In America, Europe, Africa, The Middle East And So On. Reliable Quality Parts Won Trust From Valued Customers.




















