China factories

Chat Now Send Email
China factory - Yimi (Guangzhou) Automotive Parts Co, Ltd

Yimi (Guangzhou) Automotive Parts Co, Ltd

  • China,Guangzhou
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China Inlet Valve for Isuzu 4JG2 4JH1 Diesel Engine - High-Alloy Heat-Resistant Steel
China Inlet Valve for Isuzu 4JG2 4JH1 Diesel Engine - High-Alloy Heat-Resistant Steel

  1. China Inlet Valve for Isuzu 4JG2 4JH1 Diesel Engine - High-Alloy Heat-Resistant Steel
  2. China Inlet Valve for Isuzu 4JG2 4JH1 Diesel Engine - High-Alloy Heat-Resistant Steel

Inlet Valve for Isuzu 4JG2 4JH1 Diesel Engine - High-Alloy Heat-Resistant Steel

  1. MOQ: 10 pcs
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T,Western Union
Supply Ability 10000 pcs/month
Delivery Time 5-8 Work Days
Packaging Details Neutral Package or as customers’ request
Part Number 8-97131729-2, 8971317292, 8-97080214-1, 8970802141
Face Angle 45° or 30°
Material High-alloy heat-resistant steel (silicon-chromium)
Engine Model ISUZU 4JG2 (3.1L Turbo Diesel), 4JH1 (3.0L Turbo Diesel)
Stem Hardness HRC 45-50
Stem Roughness Ra ≤ 0.2 μm
Stem Runout ≤ 0.05mm
Cooling Type Engine coolant circulation
Brand Name YIMI
Model Number ISUZU FRR, FSR
Certification ISO/TS16949
Place of Origin China

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,Western Union Supply Ability 10000 pcs/month
Delivery Time 5-8 Work Days Packaging Details Neutral Package or as customers’ request
Part Number 8-97131729-2, 8971317292, 8-97080214-1, 8970802141 Face Angle 45° or 30°
Material High-alloy heat-resistant steel (silicon-chromium) Engine Model ISUZU 4JG2 (3.1L Turbo Diesel), 4JH1 (3.0L Turbo Diesel)
Stem Hardness HRC 45-50 Stem Roughness Ra ≤ 0.2 μm
Stem Runout ≤ 0.05mm Cooling Type Engine coolant circulation
Brand Name YIMI Model Number ISUZU FRR, FSR
Certification ISO/TS16949 Place of Origin China
High Light Isuzu 4JG2 inlet valveheat-resistant steel engine valveOEM replacement diesel valve
Inlet Valve 8-97131729-2 For Isuzu 4JG2 4JH1 Diesel Engine
Precision-engineered intake valve designed for optimal performance in Isuzu 4JG2 and 4JH1 diesel engines. Controls air flow into combustion chamber with perfect sealing for maximum compression and fuel efficiency.
Product Specifications
Part Numbers 8-97131729-2, 8971317292, 8-97080214-1, 8970802141
Product Name Inlet Valve / Intake Valve
Vehicle Models ISUZU NPR, NKR, Rodeo, MU, etc.
Engine Models ISUZU 4JG2 (3.1L Turbo Diesel), 4JH1 (3.0L Turbo Diesel)
Condition 100% Brand New
Material High-strength aluminum alloy & precision bearings
Warranty 6 Months
Isuzu Inlet Valve 8-97131729-2 product photo
Features & Advantages
  • OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit and long service life
  • Heat-Resistant Alloy: Silicon-chromium steel resists oxidation and thermal fatigue
  • Hardened Tip: Reduces wear from rocker arm contact
  • Precision-Ground Stem: Smooth surface reduces guide wear and ensures proper oil control
  • Hardened Valve Face: Provides durable sealing against the valve seat, preventing gas leakage
  • Restores Engine Performance: Eliminates compression loss, rough idle, and hard starting
  • Direct Replacement: Matches OE length, head diameter, and stem size - no modification required
  • Cost-Effective: Affordable alternative to genuine OEM without compromising quality
Isuzu inlet valve technical specifications and measurements
Vehicle & Engine Compatibility
  • Isuzu 4JG2: Rodeo / MU / Wizard / Bighorn / Trooper (1992‑1998)
  • Isuzu 4JH1: NPR / NKR (1998‑2006), D‑MAX (early models)
  • Also fits industrial 4JG2/4JH1 engines (generators, compressors, forklifts)
Installation Notes
  • Remove cylinder head and clean carbon deposits
  • Use valve spring compressor to remove old valve
  • Clean guide and lubricate new valve stem
  • Insert valve, install spring & retainer, compress, and fit keepers
  • Lap valve with fine compound (optional but recommended)
  • Set valve clearance after head installation
Quality Control
  • Material Verification: Alloy composition tested via spectrometer
  • Dimensional Inspection: Head diameter, stem diameter, overall length, and keeper groove position verified against OE blueprints
  • Hardness Testing: Tip hardness (HRC 45-50) and stem hardness checked
  • Surface Finish Inspection: Stem surface roughness measured (Ra ≤ 0.2 μm)
  • Straightness Test: Valve stem runout checked (≤ 0.05mm)
  • Visual Inspection: 100% checked for cracks, burrs, or surface defects
  • Packaged Safely: Valve wrapped in protective plastic or oiled paper, boxed individually or in sets
Packaging and Delivery
Neutral export packing or customized packaging available. Carton or wooden case for safe transportation. Fast delivery for stock items via Express Air or Sea shipping.
Inquiry: For pricing, availability, or bulk purchase of the Inlet Valve 8-97131729-2, please contact our sales team for a competitive quote and expert technical support.

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 automotiv... 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 automotiv...

+ Read More

Get in touch with us

  • Reach Us
  • Yimi (Guangzhou) Automotive Parts Co, Ltd
  • 4F, 7th, No. 2, South Jinguu Road, Huadong Town, Huadu District, Guangzhou City
  • https://www.isuzucarsparts.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement