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4bt Long Block 3.9L 4BTA Diesel Engine Parts for Construction Machinery
US$1,383.40
1-49 Pieces
US$1,323.26
50+ Pieces
Product profile
Customization
AvailableMaterial
AluminumUsage
EngineModel NO.
4BT Long BlockStructure
Piston CylinderPower
HydraulicStandard
StandardPressure Direction
Single-acting CylinderDouble-Acting Cylinder Type
Double Rod CylinderSpecial Cylinder Type
Number of CylindersCombination Cylinder Type
Pressurized CylinderDisplacement
3.9LDiameter
102mmStrock
120mmNumber of Cylinder
4Part Name
4bt Long BlockFactory Name
Wuhan Jinlan EngineMOQ
1PCCertificate
SGS, ISO9001Cooling Mode
Water CoolingEngine
4bTransport Package
Wooden PackageSpecification
600*420*530MMTrademark
JLOrigin
Hubei, ChinaHS Code
8409999990Production Capacity
400PC Per MonthKey features
OEM and ODM Support: Accept customization for Cummins, Mercedes, Mitsubishi, and other brands with experienced engineering team.
Wide Model Compatibility: Supports 4BT, 4BTA, 6BT, 6CT, ISLE, and QSL series with displacements from 3.9L to 8.9L.
Low MOQ Requirement: Minimum order quantity is only 1 piece, suitable for sample orders and small batches.
Fast Delivery Time: Delivery within 7-15 days after prepayment during off-peak seasons.
Factory Direct Sales: Professional manufacturer with 40 years history, 30,000 sqm workshop, and 300+ equipment sets.
Quality Assurance: Products certified with SGS and ISO9001, featuring excellent reputation and stable quality.
Diverse Payment Options: Accept T/T, L/C, and Western Union for flexible international transactions.
Global Shipping: Transportation available via Air, Ship, or Train from multiple Chinese ports.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2004-10-25 CertifiedNearest Port: Wuhan Port, Shanghai Port, Guangzhou Port, Ningbo Port, Tianjin PortAverage Response Time: ≤3.78h CertifiedTerms of Payment: LC, T/T
AI-Powered supplier vetting
SummaryWuhan Jinlan Engine Co., Ltd. is a China-based limited company established in 2004, with 114 employees and a manufacturing facility of 26,000 m². It operates six production lines, employs 6–10 quality-control staff, and supplies diesel and natural-gas engines, engine components, hydraulic pumps, and related products. Its stated export coverage is broad, and it supports FOB, CIF, and CFR quotations, with LC and T/T payment terms. Off-peak lead time is within 15 workdays, while peak-season fulfillment is stated as 2–3 months. The company reports 15 years of R&D engineer experience and nine years of staff experience, but no certification information is provided. Trade records show limited documented transactions: three Brazil-related records from March–April 2025 involving two buyers and products including a connecting rod and carbon-related item. After-sales service and customization capabilities are not sufficiently documented.
Supplier typeThe supplier is identified as WUHAN JINLAN ENGINE CO., LTD., a China-based limited company established in 2004. It is classified as a trade company in one record, while its 26,000 m² manufacturing plant, six production lines, and engine-related product range indicate direct manufacturing capability as well.
R&D capabilityThe supplier reports 15 years of total R&D engineer experience and describes continuous development, innovation, and advancement as company objectives. This supports the presence of stated R&D experience, although no specific innovations, patents, or developed technologies are documented.
Production capacityProduction capability is supported by 114 employees, a 26,000 m² manufacturing plant, six production lines, 6–10 quality-control staff, and an off-peak lead time within 15 workdays. The supplier reports broad export-market coverage and peak-season fulfillment of 2–3 months, indicating established capacity but longer peak-season scheduling.
Client casesDocumented trade records identify two Brazil-related buyers, LUPIN IMPORTACAO&EXPORTACAO LTDA and DUAUTO DISTRIBUIDORA DE AUTO PECAS LTDA, across three transactions recorded in March and April 2025. These records provide concrete customer evidence, but the small number of transactions limits the breadth of the demonstrated customer portfolio.
Product Q&A
Q:Why choose us?
A:
Wuhan JL Engine Co.,Ltd is a professional factory with 40 years history. Product quality is excellent and stable with reasonable price. Professional export sales team assure our cooperation smoothly and successful.
Q:How is your products quality?
A:
Our factory products are the first choice for mostly trade companies. Excellent reputation based on quality and service. Other parts we can supply OEM parts and orginal parts also.
Q:How to guarantee quality?
A:
6-12 months.
Q:Can I order sample?
A:
Yes,welcome. We are very confident with our product quality.
Q:Could you accept customization?
A:
Yes, accept OEM and ODM. We have OEM and ODM experience for C.ummins, M.ercedes B.enz, M.itsubishi, C.hryler, I.veco, C.itroen, G.eely and so on. We offer power solution with engine assy for many construction machinery factories, generator sets factories, ships factories, and other companies.
Send Inquiry
*To:
Wuhan Jinlan Engine Co., Ltd.
Wuhan Jinlan Engine Co., Ltd.*Content:
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