Auto Part Diesel Engine Intake & Exhaust Valve for Cummins 6CT
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Product Highlights
- High-Quality Materials: Manufactured using special valve bar materials like 4Cr9Si2, 4Cr10Si2Mo, and 21-4N for durability.
- Advanced Production Process: Features network continuous furnace heat treatment, double metal welding, and surface chrome plating.
- Full Customization Options: Offers full, minor, and flexible customization based on customer samples or designs.
- Strict Quality Assurance: 100% visual and function inspection for finished products with traceable raw materials.
- ISO and IATF Certification: Certified under ISO9001 and IATF16949 standards for quality management.
- High Annual Capacity: Annual production capacity exceeds 8 million pieces of engine valves.
- Flexible MOQ: No quantity limitation for stock products; 300 pairs minimum for non-stock items.
Product Attributes
- Customization
- Available
- Engine Type
- Cummins
- Camshaft Layout
- Mid Mounted
- Model NO.
- 6CT
- Valve Layout
- Top Mounted
- Component
- Valve Assembly
- Intake
- 3924492
- Exhaust
- 3921444
- Intake Material
- 4cr10si2mo
- Exhaust Material
- 21-4nwnb+4cr9si2
- Transport Package
- Box, Carton
- Specification
- STD
- Trademark
- HUACHENG
- Origin
- Shijiazhuang of China
- HS Code
- 8409999990
- Production Capacity
- 100000
Product Images of Auto Part Diesel Engine Intake & Exhaust Valve for Cummins 6CT
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Product Description


PRODUCT LIST
| Engine |
Model |
Description |
Part number |
Material | Size(mm) | |||
| DΦ | X° | d Φ | L | |||||
STEYR |
WD615 | Intake | 612600050073 | 4Cr10si2Mo | 55 | 55° | 11 | 159.4 |
| Exhaust | 612600050025 | 21-4NWNb+4Cr9Si2 | 50 | 45° | 11 | 158.4 | ||
| WD67 | Intake | 61460052007 | 4Cr9Si2 | 50.9 | 55° | 12 | 158.5 | |
| Exhaust | 61560053006 | 21-4N+4Cr9Si2 | 48.9 | 45° | 12 | 158.4 | ||
| WDP13 | Intake | 1000059343 | 21-4N | 43.5 | 65° | 9 | 173 | |
| Exhaust | 1000059377 | 23-8N+4Cr9Si2 | 40.5 | 60° | 9 | 173 | ||
| WP12 | Intake | 612630050001 | 4Cr10Si2Mo | 43.4 | 60° | 9 | 173 | |
| Exhaust | 612630050002 | 21-4NWNb+4Cr9Si2 | 41 | 45° | 9 | 173 | ||
| WD615 | Intake | 612600050073 | 21-4N+4Cr9Si2 | 55 | 55° | 11 | 159.4 | |
| (CNG) | Exhaust | 612600050168 | 21-4NWNb+4Cr9Si2 | 50 | 60° | 11 | 158.4 | |
| WP7610 | Intake | 610800050085 | 4Cr10Si2Mo | 38 | 60° | 8 | 141.3 | |
| (7L CNG) | Exhaust | 610800050086 | 21-4NWNb+4Cr9Si2 | 35.8 | 60° | 8 | 141.3 | |
VESSEL |
6160A | Intake | 160A.03.58 | 4Cr9Si2 | 58 | 45° | 12 | 197 |
| Exhaust | 160A.03.27 | 4Cr9Si2 | 58 | 45° | 12 | 197 | ||
| 160Z | Intake | 160Z.03166A | 4Cr9Si2 | 65 | 60° | 13 | 222 | |
| Exhaust | 160Z.03162A | 4Cr9Si2 | 59 | 45° | 13 | 222 | ||
| 170Z | Intake | 170Z.03.05A | 4Cr10Si2Mo | 56 | 60° | 11 | 203 | |
| Exhaust | 170Z.03.22A | 21-4N | 51.5 | 45° | 11 | 203 | ||
| 190 | Intake | 12VB.03.37A | 4Cr10Si2Mo | 63 | 45° | 14 | 237 | |
| Exhaust | 12VB.03.22A | 21-4N | 63 | 45° | 14 | 237 | ||
ABOUT US
Shijiazhuang HUACHENG Auto Parts Co.,Ltd. is specialized in manufacturing engine valve for heavy duty truck, agricultural & engineering machinery, marine power and other models.
Our main product series include CUMMINS, CATERPILLAR, STEYR, HOWO, ISUZU, MITSUBISHI, YANMAR, DOOSAN, PERKINS, DEUTZ and all kinds of China engine model.
STRONG ASSURANCE
- Material: high quality special valve bar material, such as: 4Cr9Si2, 4Cr10Si2Mo, 21-4N, X60, 21-4NWNb Etc
- Production: connection processing line, heat treatment with network continuous furnace, welding of double metals, valve seat welding (STELI), U quenching for valve rod slot, chrome plating and soft nitriding on surface.
- Annual production capacity: over 8 million pcs valves
- Quality Guarantee: one year or 300000 km
- Certificate: ISO9001, IATF16949
- Customization: design and develop new product according to the sample or drawing from customer.
- MQQ: No qty limitation for stock product, for no stock, 300 pairs.
- Neutral box or Huacheng box, carton.
- According to customer's requirements.
- Laser marking on valve stem.

MATERIAL STANDARD SPECIFICATION
PRODUCT LIST
| Engine |
Model |
Description |
Part number |
Material |
Size(mm) | |||
| DΦ | X° | d Φ | L | |||||
CUMMINS |
NT855 | Intake | 135957 | 4Cr9Si2 | 47.5 | 60° | 11.5 | 179.42 |
| Exhaust | 145701 | 21-4N+4Cr9Si2 | 47.5 | 60° | 11.5 | 179.42 | ||
| 6BT | Intake | 3920867 | 4Cr10Si2Mo | 45 | 60° | 8 | 129 | |
| Exhaust | 3920868 | 21-4NWNb+4Cr9Si2 | 42 | 45° | 8 | 129 | ||
| 6CT | Intake | C3924492 | 4Cr10Si2Mo | 52 | 60° | 9.5 | 151 | |
| Exhaust | C3921444 | 21-4NWNb+4Cr9Si2 | 46 | 45° | 9.5 | 151 | ||
| ISL | Intake | 4981794 | 21-4N+4Cr9Si2 | 38 | 60° | 8 | 137.75 | |
| Exhaust | 4981795 | 21-4NWNb+4Cr9Si2 | 38 | 45° | 8 | 137.77 | ||
| ISDE | Intake | C3940735 | 4Cr10Si2Mo | 33 | 60° | 7 | 124.6 | |
| Exhaust | C3940734 | 21-4NWNb+4Cr9Si2 | 33 | 45° | 7 | 124.45 | ||
| ISF | Intake | 5261320 | 4Cr10Si2Mo | 32.7 | 60° | 6 | 106.18 | |
| Exhaust | 5256949 | 21-4NWNb+4Cr9Si2 | 29 | 45° | 6 | 106.72 | ||
| ISM11 | Intake | 4926069 | 4Cr10Si2Mo | 42.5 | 60° | 9.62 | 195.5 | |
| Exhaust | 4999616 | 23-8N+4Cr9Si2 | 42.5 | 60° | 9.62 | 195.5 | ||
| K38 | Intake | 3052820 | 4Cr10Si2Mo | 56.5 | 60° | 12.5 | 190 | |
| Exhaust | 3088389 | Inconel751+4Cr10Si2Mo | 56.5 | 60° | 12.5 | 190 | ||
| K19 | Intake | 2072411 | 4Cr10Si2Mo | 56.5 | 60° | 12.5 | 190 | |
| Exhaust | 3035110 | 23-8N+4Cr9Si2 | 56.5 | 60° | 12.5 | 190 | ||
COMPANY DISPLAY



About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR246844". Items marked "" are certified.
Company Profile
Shijiazhuang HUACHENG Auto Parts Co., Ltd. is specialized in manufacturing engine valve for heavy duty truck, agricultural & engineering machinery, marine power, CNG engine and other models.
Our annual production capacity is over 8 million PCS of intake & exhaust valves, the superior product is for processing the valve stem diameter from 8mm-16mm.
The main product series include CUMMINS, CATERPILLAR, STEYR, HOWO, ISUZU, MITSUBISHI, YANMAR, DOOSAN, PERKINS, DEUTZ and all kinds of China engine model. We are OEM supplier for Geely Sichuan Commercial Vehicle Co., Ltd.
We passed ISO9001 in 2006 and gained ISO/TS16949 certificate in 2008. We select the high quality special valve bar material, such as: 4Cr9Si2, 4Cr10Si2Mo, 21-4N, X60, X80, 21-4NWNb etc. The production use connection processing line, heat treatment with network continous furnace, welding of double metals, valve seat welding(STELI), U shape quenching for valve rod slot, chrome plating and soft nitriding on surface.
All of these can ensure the excellent quality and reliability of our products.
We can disign and develop new products based on the special requirments from customer.
Warmly welcome all friends from all over the word for visiting our company and cooperation with us, we will provide our best price and high quality.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Qiji Town Wuji County, Shijiazhuang City, Hebei of China
-
Plant Area
- 8098 square meters
-
Number of Employees
- 32
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- T/T, LC, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CFR, CIF, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
- Main Products
- Engine Valve, Valve Seat, Valve Guide, Cylinder Head, Piston, Cylinder Head Gasket
-
Production Lines
- 4
-
Production Machines
- Grinding machine, Grinding machine, Horn grinding machine, Lathing machine, Marking machine, Thermoforming machine, Ttraightening machine, Welding machine
-
QA/QC inspectors
- 4 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2006-04-30
-
Export Year
- 5 Years
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the warranty period?
- We provide a one-year warranty or coverage for 300,000 km.
- Do you accept custom orders?
- Yes, we offer full, minor, and flexible customization based on customer samples or designs.
- What is the minimum order quantity?
- There is no limit for stock products; for non-stock items, the minimum is 300 pairs.
- What payment methods do you accept?
- We accept T/T, LC, PayPal, and Western Union.
- What is the lead time for production?
- The average lead time is one month for both peak and off-peak seasons.
- Do you provide OEM and ODM services?
- Yes, both OEM and ODM services are available.
- What is your quality inspection process?
- We perform 100% visual and function inspection on all finished products.
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