Part Name: Cylinder head Assembly 5271866
Part Number: 5271866
Basic Info.
| Part no. | 5271866 | Material | Iron |
| Type | Cylinder Head Assembly | Parts Type | diesel engines parts |
| Engine No. | Cummins | Transport Package | Wooden Box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model: Cylinder Head Assembly
- Date First Listed: 2025/12/03
- Manufacturer: Diron Parts
Product Description
- Part Number：5271866
- Part Type：Cylinder Head Assembly
- Compatible Equipment：Cummins
The 527-1866 loaded cylinder head assembly is a complete, ready-to-install aftermarket head built specifically for Cummins ISX15 and QSX15 dual-cam engines (CM2250, CM2350, X15 Efficiency and Performance Series). This fully loaded unit includes a brand-new casting, premium valves, springs, Stellate exhaust seats, bronze guides, injector sleeves, and all seals – eliminating the need for additional machining or component sourcing during overhaul.
- Key Features & Benefits
- New high-nickel grey iron casting – zero cracks, zero repairs
- Reinforced valve bridge and thicker deck for extreme boost and EGR conditions
- Premium 21-4N exhaust valves + Inconel intake valves (where required)
- Upgraded heavy-duty valve springs rated for high-horsepower applications
- Pre-installed copper injector sleeves and Viton seals
- 100% pressure-tested to 100 psi and vacuum-verified
- CNC-machined and assembled in an ISO/TS 16949-certified facility
- Arrives fully assembled and individually boxed – bolt on and go
- Common Applications （Cummins Compatibility）
- Engines: – ISX15 CM2250 / CM2350 – X15 Efficiency Series & Performance Series – QSX15 industrial/marine
- Typical Equipment: – Class 8 on-highway trucks (Kenworth T680/T880, Peterbilt 579/389, International, Volvo) – Mining haul trucks, large generator sets, marine propulsion
- Technical Specifications
- Part Number Reference: 5271866 (complete assembly also covers 5413782, 4962732, 3686660)
- Configuration: 24-valve, 4 valves per cylinder, dual overhead cam
- Camshaft bores: Line-bored and honed to exact spec
- Weight (loaded): ≈ 165 kg (364 lb)
Important Note:
- We only provide replacement products intended for aftermarket use in the Cummins machinery listed above. The brand name Cummins 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
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.
