Product Overview

This high-performance Exhaust Manifold and Head Gasket set is engineered for Isuzu 4HF1 and 4HK1 diesel engines, commonly found in the NPR and NKR series commercial vehicles. We specialize in the global supply of genuine-quality engine components, with direct shipping to major markets including North America, Europe, the Middle East, and Asia-Pacific. This kit is designed for durability and optimal exhaust flow, ensuring reliable operation for fleet operators and workshops worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and seamless installation, eliminating downtime.
• Superior Heat & Corrosion Resistance: Constructed from high-grade materials to withstand extreme exhaust temperatures and prevent warping or cracking.
• Optimized Exhaust Flow: Designed to minimize backpressure, contributing to consistent engine performance and fuel efficiency.
• Complete Gasket Solution: Includes a robust head gasket that ensures a reliable seal between the cylinder head and engine block, preventing leaks and maintaining compression.
• Global Compliance: Produced for the international aftermarket, meeting the quality standards demanded by professional technicians across different regions.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM numbers:

• 8971464990 (Isuzu Genuine Part Number)
• 8-97146499-0 (Isuzu Alternative Part Number)

Always verify the part number from your original component or vehicle manual before ordering to ensure correct fitment.

Compatibility

This exhaust manifold and head gasket set is specifically designed for the following applications:

• Engine Models: Isuzu 4HF1, Isuzu 4HK1 diesel engines.
• Vehicle Models: Isuzu NPR (NPR, NPR-HD), Isuzu NKR (NKR, NKR-Double Cab), Isuzu XD series trucks.
• Typical Model Years: Commonly fits vehicles from the late 1990s through the 2010s. Compatibility can vary by specific market configuration.

Global Supply & Distribution

We are a leading B2B exporter of automotive engine parts with a robust international logistics network. Our capabilities include:

• Worldwide Shipping: Reliable air and sea freight to all major continents.
• Key Markets Served: We efficiently supply distributors and workshops in North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, the Middle East (UAE, Saudi Arabia), Southeast Asia, and South America.
• Fast Port Delivery: Consolidated shipments ensure cost-effective and timely delivery to major industrial ports and logistics hubs.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is prepared to comply with international trade regulations for smooth customs clearance.

Quality Assurance

• Manufacturing Standards: Components are produced using precision tooling and strict quality control processes to match OEM fit, form, and function.
• Rigorous Testing: Critical components undergo dimensional checks, pressure testing (gaskets), and material analysis to ensure performance under operational stress.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: Is this a direct bolt-on replacement for my Isuzu NPR truck?
A1: Yes, this manifold and gasket set is engineered as a direct OEM replacement for Isuzu 4HF1 and 4HK1 engines. Ensure you match the part number (8971464990 or 8-97146499-0) from your old part or service manual for guaranteed compatibility.

Q2: What precautions should be taken during installation?
A2: For optimal performance and to prevent leaks, it is critical to:

• Thoroughly clean the cylinder head and block mating surfaces.
• Follow the manufacturer’s specified torque sequence and values when installing the cylinder head.
• Inspect and replace manifold studs or bolts if they are worn or corroded.

Q3: Do you support bulk orders for international distributors?
A3: Absolutely. We specialize in B2B wholesale and export. We offer competitive pricing for container loads (FCL) and can arrange consolidated shipments (LCL) for smaller orders. Contact our sales team for a customized quote and shipping schedule to your destination port.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .