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Diesel Engine Parts

8971464990 8-97146499-0 Exhaust Manifold 4hf1 Head Gasket for Isuzu Npr Nkr Xd 4hk1

MOQ: 1pcs Price: Negotiable
Part No.
8-97074617-0 / 8971464990 / 8-97146499-0
Engine Model
4HF1
Application
Excavator / Truck Engine
Material
Steel
Warranty
3 Months (Standard) / 6 Months (Extended)
Place of Origin
Japan
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Product Details

8971464990 8-97146499-0 Exhaust Manifold 4hf1 Head Gasket Suitable For Isuzu Npr Nkr Xd 4hk1

Product Overview

This high-quality rocker arm assembly, identified by the genuine part number 8-97074617-0 (also known as 8971464990 / 8-97146499-0), is specifically engineered for the Isuzu 4HF1 engine series. It is a critical component in the valve train system, ensuring precise valve timing and optimal engine performance.

Commonly used in Isuzu N-series trucks (NPR, NQR, NKR) and various excavator applications, this rocker arm assy is designed to meet OEM specifications for durability and reliability. While the data references the 4HK1 engine family, this part is primarily associated with the 4HF1 model, which shares a similar valve train architecture. Please verify your engine model for perfect compatibility.

Key Features & Benefits

  • Genuine Quality: Manufactured to the highest OEM standards as a genuine Isuzu component, ensuring a precise fit and long service life.
  • Durable Construction: Made from high-strength steel, this rocker arm assembly is designed to withstand the extreme heat and stress of diesel engine operation.
  • Enhanced Engine Performance: Ensures accurate valve lift and timing, which is critical for maintaining horsepower, fuel efficiency, and reducing emissions.
  • Direct Replacement: Offers a 1:1 replacement for the original part (8-97074617-0 / 8971464990), simplifying installation and reducing downtime.
  • Long-Lasting Parts: Engineered for longevity, this component helps prevent premature valve train wear and reduces the risk of costly engine overhauls.
  • Low MOQ: Available with a minimum order quantity of just 1 piece, making it ideal for both single repair jobs and bulk inventory stocking.

Technical Specifications

Specification Detail
Product Name Rocker Arm Assembly (Rocker Arm Assy)
Part Number 8-97074617-0
Alternative Part Number 8971464990 / 8-97146499-0
Engine Model 4HF1
OEM Reference 4HK1 (Compatible valve train family)
Material Steel
Condition Genuine
Place of Origin Japan
Warranty 3 Months (Standard) / 6 Months (Extended)
Application Excavator / Truck Engine

OEM Cross-Reference

This rocker arm assembly directly replaces the following OEM part numbers. Cross-reference your existing part to ensure a perfect match:

  • Isuzu OEM: 8-97074617-0
  • Isuzu OEM (Alternative): 8971464990
  • Isuzu OEM (Alternative): 8-97146499-0

Compatibility

This part is commonly used for the following Isuzu engine and vehicle applications. Please verify your specific engine model (4HF1 or 4HK1) before purchase.

  • Engine Models: 4HF1, 4HK1 (Valve train compatible)
  • Vehicle Applications:
    • Isuzu NPR 400
    • Isuzu NPR 75L
    • Isuzu NQR 500
    • Isuzu NQR 75L / 75P / 75T
    • Isuzu NKR
    • Isuzu XD Series
    • Isuzu Excavator Engines (4HF1/4HK1 based)
  • Year Range: Commonly used in models from 1993 onwards (4HF1 generation).

Global Supply & Distribution

We offer worldwide shipping capabilities to support international B2B buyers. Our logistics network ensures fast and reliable delivery to major industrial centers and ports globally.

  • Major Markets Served: North America, Europe (EU), Asia-Pacific, Middle East (UAE, Saudi Arabia), Africa, and South America.
  • Fast Delivery: Standard dispatch within 24-48 hours of payment receipt. Express shipping options available for urgent orders.
  • Export Experience: We specialize in cross-border trade with full documentation, including commercial invoices, packing lists, and certificates of origin.
  • Trade Compliance: All parts are sourced and shipped in compliance with international trade regulations.

Quality Assurance

We prioritize quality to ensure your engine runs reliably.

  • Manufacturing Standards: This genuine part is manufactured in Japan to the exact specifications of Isuzu Motors, ensuring dimensional accuracy and material integrity.
  • Testing: Each batch undergoes strict quality control checks, including dimensional inspection and material hardness testing.
  • Warranty: Comes with a standard 3-month warranty against manufacturing defects. Extended warranty options (up to 6 months) may be available upon request.
  • After-Sales Support: We provide video technical support to assist with installation and troubleshooting.

FAQ

Q1: Is this rocker arm assembly a direct fit for my Isuzu 4HK1 engine?
A: While this part (8-97074617-0) is primarily designed for the 4HF1 engine, it is compatible with the 4HK1 valve train family. We recommend checking the physical dimensions and bolt pattern against your existing rocker arm. If your engine uses the 4HK1 series, please confirm the specific OE number matches.

Q2: What is the typical installation procedure for this rocker arm?
A: Installation requires removing the valve cover, loosening the rocker arm shaft bolts in a crisscross pattern, and replacing the assembly. It is critical to torque the bolts to the manufacturer’s specification (typically around 25-30 Nm for 4HF1 engines) and adjust the valve clearance after installation. Video technical support is available upon request.

Q3: How can I verify if this part is genuine and not aftermarket?
A: This product is listed as genuine condition. Genuine Isuzu parts typically feature laser-etched part numbers (8-97074617-0) and a high-quality steel finish with no casting flash. If you receive a part without clear OEM markings, please contact us immediately for verification or a return.

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