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Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
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China ISUZU Heat-resistant Steel Intake Valve with 45° Valve Seat Angle - OEM Standard
China ISUZU Heat-resistant Steel Intake Valve with 45° Valve Seat Angle - OEM Standard

  1. China ISUZU Heat-resistant Steel Intake Valve with 45° Valve Seat Angle - OEM Standard
  2. China ISUZU Heat-resistant Steel Intake Valve with 45° Valve Seat Angle - OEM Standard

ISUZU Heat-resistant Steel Intake Valve with 45° Valve Seat Angle - OEM Standard

  1. MOQ: 20 PCS
  2. Price: Negotiable
  3. Get Latest Price
Quantity per Set 6 pcs/set
Valve Stem Diameter Engine model dependent
Delivery Time 5-8 Work Days
Material Heat-resistant steel
Valve Head Diameter Engine model dependent
Certifiion ISO/TS16949
Valve Overall Length Engine model dependent
Payment Terms T/T,
Unit Net Weight 0.14~0.15 kg
Supply Ability 10000 pcs/month
Valve Type Intake Valve
Packaging Details Neutral Package or as customers’ request
Valve Seat Angle 45°
Model Number 6BG1 6BD1 4BD1 FSR NPR
Brand Name YIMI
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Quantity per Set 6 pcs/set Valve Stem Diameter Engine model dependent
Delivery Time 5-8 Work Days Material Heat-resistant steel
Valve Head Diameter Engine model dependent Certifiion ISO/TS16949
Valve Overall Length Engine model dependent Payment Terms T/T,
Unit Net Weight 0.14~0.15 kg Supply Ability 10000 pcs/month
Valve Type Intake Valve Packaging Details Neutral Package or as customers’ request
Valve Seat Angle 45° Model Number 6BG1 6BD1 4BD1 FSR NPR
Brand Name YIMI Place of Origin CHINA
High Light Heat-resistant steel Intake ValveOEM Standard Fit Engine Valve45° Valve Seat Angle VALVE; INL
ISUZU Intake Valve 1-12551139-0 1125511390 for 6BG1 6BD1 4BD1 Engine
OEM Standard Fit for FSR NPR Trucks & Hitachi Excavators
ISUZU Intake Valve 1-12551139-0 1125511390 Compatible with 6BG1 6BD1 4BD1 4BG1 Engines -- For FSR NPR NQR Trucks & Hitachi Excavators, OEM Standard Replacement
Product Overview
The ISUZU Engine Intake Valve with OEM numbers 1-12551139-0 / 1125511390 is a precision-engineered replacement designed for ISUZU 6BG1, 6BD1, 4BD1, 4BG1 series diesel engines. This valve is widely used in ISUZU FSR, NPR, NQR series trucks as well as Hitachi excavators and other construction machinery.
Working Principle
The intake valve is a vital part of the engine's valve train. During the intake stroke of a four-stroke engine, as the piston moves downward, the intake valve opens in advance and closes later (driven by the camshaft) to ensure more air/mixture enters the cylinder. The opening and closing timing must precisely match the piston position in the cylinder.
Failure Symptoms
⚠️ Inspect immediately if any of these occur:
Symptom Probable Cause
Noticeable power loss; poor acceleration; difficulty climbing hills Intake valve poor sealing; reduced cylinder compression pressure
Rough idle; engine vibration; hard starting Incorrect valve clearance or burnt valve; unstable intake air volume
Black smoke from exhaust (diesel) or increased fuel consumption Insufficient intake air causing incomplete combustion; improper air-fuel ratio
Distinct "tapping" metallic noise from engine Excessive valve clearance; or valve spring fatigue/fracture
Cylinder compression test reading below specifiion Worn valve seat or bent valve stem; valve fails to seal completely
Technical Specifiions
Material Standard: Heat-resistant steel with operating temperature range of -40°C to 800°C
Dimensional Precision: Valve stem diameter machining precision to ±0.005 mm; valve seat angle 45° or 30°
Hardness Specifiion: Valve seat induction-hardened to HRC 50-55; valve stem tip hardness HRC 55-60
Unit Weight: 0.14-0.15 kg per piece

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2005

  • Total Annual:

    8000000-10000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...

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Get in touch with us

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  • Yimi (Guangzhou) Automotive Parts Co, Ltd
  • Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
  • https://www.isuzucarsparts.com/

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